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Merge 3.6-rc3 into driver-core-next 

This picks up the printk fixes in 3.6-rc3 that are needed in this branch.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2012-08-27 07:08:39 -07:00
parent 0592969e73 fea7a08acb
commit 9db48aaf18
871 changed files with 10211 additions and 6620 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
Documentation/ABI/testing/sysfs-platform-ideapad-laptop
View File

@ -5,4 +5,15 @@ Contact: "Ike Panhc <ike.pan@canonical.com>"
Description:
Control the power of camera module. 1 means on, 0 means off.
What: /sys/devices/platform/ideapad/fan_mode
Date: June 2012
KernelVersion: 3.6
Contact: "Maxim Mikityanskiy <maxtram95@gmail.com>"
Description:
Change fan mode
There are four available modes:
* 0 -> Super Silent Mode
* 1 -> Standard Mode
* 2 -> Dust Cleaning
* 4 -> Efficient Thermal Dissipation Mode

4
Documentation/DocBook/filesystems.tmpl
View File

@ -224,8 +224,8 @@ all your transactions.
</para>
<para>
Then at umount time , in your put_super() (2.4) or write_super() (2.5)
you can then call journal_destroy() to clean up your in-core journal object.
Then at umount time , in your put_super() you can then call journal_destroy()
to clean up your in-core journal object.
</para>
<para>

2
Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
View File

@ -125,7 +125,7 @@ the structure refers to a radio tuner the
<constant>V4L2_TUNER_CAP_NORM</constant> flags can't be used.</para>
<para>If multiple frequency bands are supported, then
<structfield>capability</structfield> is the union of all
<structfield>capability></structfield> fields of each &v4l2-frequency-band;.
<structfield>capability</structfield> fields of each &v4l2-frequency-band;.
</para></entry>
</row>
<row>

12
Documentation/devicetree/bindings/regulator/tps6586x.txt
View File

@ -9,9 +9,9 @@ Required properties:
- regulators: list of regulators provided by this controller, must have
property "regulator-compatible" to match their hardware counterparts:
sm[0-2], ldo[0-9] and ldo_rtc
- sm0-supply: The input supply for the SM0.
- sm1-supply: The input supply for the SM1.
- sm2-supply: The input supply for the SM2.
- vin-sm0-supply: The input supply for the SM0.
- vin-sm1-supply: The input supply for the SM1.
- vin-sm2-supply: The input supply for the SM2.
- vinldo01-supply: The input supply for the LDO1 and LDO2
- vinldo23-supply: The input supply for the LDO2 and LDO3
- vinldo4-supply: The input supply for the LDO4
@ -30,9 +30,9 @@ Example:
#gpio-cells = <2>;
gpio-controller;
sm0-supply = <&some_reg>;
sm1-supply = <&some_reg>;
sm2-supply = <&some_reg>;
vin-sm0-supply = <&some_reg>;
vin-sm1-supply = <&some_reg>;
vin-sm2-supply = <&some_reg>;
vinldo01-supply = <...>;
vinldo23-supply = <...>;
vinldo4-supply = <...>;

2
Documentation/filesystems/Locking
View File

@ -114,7 +114,6 @@ prototypes:
int (*drop_inode) (struct inode *);
void (*evict_inode) (struct inode *);
void (*put_super) (struct super_block *);
void (*write_super) (struct super_block *);
int (*sync_fs)(struct super_block *sb, int wait);
int (*freeze_fs) (struct super_block *);
int (*unfreeze_fs) (struct super_block *);
@ -136,7 +135,6 @@ write_inode:
drop_inode: !!!inode->i_lock!!!
evict_inode:
put_super: write
write_super: read
sync_fs: read
freeze_fs: write
unfreeze_fs: write

5
Documentation/filesystems/porting
View File

@ -94,9 +94,8 @@ protected.
---
[mandatory]
BKL is also moved from around sb operations. ->write_super() Is now called
without BKL held. BKL should have been shifted into individual fs sb_op
functions. If you don't need it, remove it.
BKL is also moved from around sb operations. BKL should have been shifted into
individual fs sb_op functions. If you don't need it, remove it.
---
[informational]

11
Documentation/filesystems/vfat.txt
View File

@ -137,6 +137,17 @@ errors=panic|continue|remount-ro
without doing anything or remount the partition in
read-only mode (default behavior).
discard -- If set, issues discard/TRIM commands to the block
device when blocks are freed. This is useful for SSD devices
and sparse/thinly-provisoned LUNs.
nfs -- This option maintains an index (cache) of directory
inodes by i_logstart which is used by the nfs-related code to
improve look-ups.
Enable this only if you want to export the FAT filesystem
over NFS
<bool>: 0,1,yes,no,true,false
TODO

4
Documentation/filesystems/vfs.txt
View File

@ -216,7 +216,6 @@ struct super_operations {
void (*drop_inode) (struct inode *);
void (*delete_inode) (struct inode *);
void (*put_super) (struct super_block *);
void (*write_super) (struct super_block *);
int (*sync_fs)(struct super_block *sb, int wait);
int (*freeze_fs) (struct super_block *);
int (*unfreeze_fs) (struct super_block *);
@ -273,9 +272,6 @@ or bottom half).
put_super: called when the VFS wishes to free the superblock
(i.e. unmount). This is called with the superblock lock held
write_super: called when the VFS superblock needs to be written to
disc. This method is optional
sync_fs: called when VFS is writing out all dirty data associated with
a superblock. The second parameter indicates whether the method
should wait until the write out has been completed. Optional.

12
Documentation/laptops/laptop-mode.txt
View File

@ -262,9 +262,9 @@ MINIMUM_BATTERY_MINUTES=10
#
# Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been
# exceeded, the kernel will wake pdflush which will then reduce the amount
# of dirty memory to dirty_background_ratio. Set this nice and low, so once
# some writeout has commenced, we do a lot of it.
# exceeded, the kernel will wake flusher threads which will then reduce the
# amount of dirty memory to dirty_background_ratio. Set this nice and low,
# so once some writeout has commenced, we do a lot of it.
#
#DIRTY_BACKGROUND_RATIO=5
@ -384,9 +384,9 @@ CPU_MAXFREQ=${CPU_MAXFREQ:-'slowest'}
#
# Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been
# exceeded, the kernel will wake pdflush which will then reduce the amount
# of dirty memory to dirty_background_ratio. Set this nice and low, so once
# some writeout has commenced, we do a lot of it.
# exceeded, the kernel will wake flusher threads which will then reduce the
# amount of dirty memory to dirty_background_ratio. Set this nice and low,
# so once some writeout has commenced, we do a lot of it.
#
DIRTY_BACKGROUND_RATIO=${DIRTY_BACKGROUND_RATIO:-'5'}

19
Documentation/networking/netconsole.txt
View File

@ -51,8 +51,23 @@ Built-in netconsole starts immediately after the TCP stack is
initialized and attempts to bring up the supplied dev at the supplied
address.
The remote host can run either 'netcat -u -l -p <port>',
'nc -l -u <port>' or syslogd.
The remote host has several options to receive the kernel messages,
for example:
1) syslogd
2) netcat
On distributions using a BSD-based netcat version (e.g. Fedora,
openSUSE and Ubuntu) the listening port must be specified without
the -p switch:
'nc -u -l -p <port>' / 'nc -u -l <port>' or
'netcat -u -l -p <port>' / 'netcat -u -l <port>'
3) socat
'socat udp-recv:<port> -'
Dynamic reconfiguration:
========================

6
Documentation/pinctrl.txt
View File

@ -840,9 +840,9 @@ static unsigned long i2c_pin_configs[] = {
static struct pinctrl_map __initdata mapping[] = {
PIN_MAP_MUX_GROUP("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0", "i2c0"),
PIN_MAP_MUX_CONFIGS_GROUP("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0", i2c_grp_configs),
PIN_MAP_MUX_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0scl", i2c_pin_configs),
PIN_MAP_MUX_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0sda", i2c_pin_configs),
PIN_MAP_CONFIGS_GROUP("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0", i2c_grp_configs),
PIN_MAP_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0scl", i2c_pin_configs),
PIN_MAP_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT, "pinctrl-foo", "i2c0sda", i2c_pin_configs),
};
Finally, some devices expect the mapping table to contain certain specific

14
Documentation/security/Yama.txt
View File

@ -46,14 +46,13 @@ restrictions, it can call prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, ...)
so that any otherwise allowed process (even those in external pid namespaces)
may attach.
These restrictions do not change how ptrace via PTRACE_TRACEME operates.
The sysctl settings are:
The sysctl settings (writable only with CAP_SYS_PTRACE) are:
0 - classic ptrace permissions: a process can PTRACE_ATTACH to any other
process running under the same uid, as long as it is dumpable (i.e.
did not transition uids, start privileged, or have called
prctl(PR_SET_DUMPABLE...) already).
prctl(PR_SET_DUMPABLE...) already). Similarly, PTRACE_TRACEME is
unchanged.
1 - restricted ptrace: a process must have a predefined relationship
with the inferior it wants to call PTRACE_ATTACH on. By default,
@ -61,12 +60,13 @@ The sysctl settings are:
classic criteria is also met. To change the relationship, an
inferior can call prctl(PR_SET_PTRACER, debugger, ...) to declare
an allowed debugger PID to call PTRACE_ATTACH on the inferior.
Using PTRACE_TRACEME is unchanged.
2 - admin-only attach: only processes with CAP_SYS_PTRACE may use ptrace
with PTRACE_ATTACH.
with PTRACE_ATTACH, or through children calling PTRACE_TRACEME.
3 - no attach: no processes may use ptrace with PTRACE_ATTACH. Once set,
this sysctl cannot be changed to a lower value.
3 - no attach: no processes may use ptrace with PTRACE_ATTACH nor via
PTRACE_TRACEME. Once set, this sysctl value cannot be changed.
The original children-only logic was based on the restrictions in grsecurity.

14
Documentation/sysctl/vm.txt
View File

@ -76,8 +76,8 @@ huge pages although processes will also directly compact memory as required.
dirty_background_bytes
Contains the amount of dirty memory at which the pdflush background writeback
daemon will start writeback.
Contains the amount of dirty memory at which the background kernel
flusher threads will start writeback.
Note: dirty_background_bytes is the counterpart of dirty_background_ratio. Only
one of them may be specified at a time. When one sysctl is written it is
@ -89,7 +89,7 @@ other appears as 0 when read.
dirty_background_ratio
Contains, as a percentage of total system memory, the number of pages at which
the pdflush background writeback daemon will start writing out dirty data.
the background kernel flusher threads will start writing out dirty data.
==============================================================
@ -112,9 +112,9 @@ retained.
dirty_expire_centisecs
This tunable is used to define when dirty data is old enough to be eligible
for writeout by the pdflush daemons. It is expressed in 100'ths of a second.
Data which has been dirty in-memory for longer than this interval will be
written out next time a pdflush daemon wakes up.
for writeout by the kernel flusher threads. It is expressed in 100'ths
of a second. Data which has been dirty in-memory for longer than this
interval will be written out next time a flusher thread wakes up.
==============================================================
@ -128,7 +128,7 @@ data.
dirty_writeback_centisecs
The pdflush writeback daemons will periodically wake up and write `old' data
The kernel flusher threads will periodically wake up and write `old' data
out to disk. This tunable expresses the interval between those wakeups, in
100'ths of a second.

10
Documentation/vm/hugetlbpage.txt
View File

@ -299,11 +299,17 @@ map_hugetlb.c.
*******************************************************************
/*
* hugepage-shm: see Documentation/vm/hugepage-shm.c
* map_hugetlb: see tools/testing/selftests/vm/map_hugetlb.c
*/
*******************************************************************
/*
* hugepage-mmap: see Documentation/vm/hugepage-mmap.c
* hugepage-shm: see tools/testing/selftests/vm/hugepage-shm.c
*/
*******************************************************************
/*
* hugepage-mmap: see tools/testing/selftests/vm/hugepage-mmap.c
*/

2
Documentation/w1/slaves/w1_therm
View File

@ -3,6 +3,7 @@ Kernel driver w1_therm
Supported chips:
* Maxim ds18*20 based temperature sensors.
* Maxim ds1825 based temperature sensors.
Author: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
@ -15,6 +16,7 @@ supported family codes:
W1_THERM_DS18S20 0x10
W1_THERM_DS1822 0x22
W1_THERM_DS18B20 0x28
W1_THERM_DS1825 0x3B
Support is provided through the sysfs w1_slave file. Each open and
read sequence will initiate a temperature conversion then provide two

68
MAINTAINERS
View File

@ -827,24 +827,24 @@ F: arch/arm/mach-pxa/colibri-pxa270-income.c
ARM/INTEL IOP32X ARM ARCHITECTURE
M: Lennert Buytenhek <kernel@wantstofly.org>
M: Dan Williams <dan.j.williams@intel.com>
M: Dan Williams <djbw@fb.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
ARM/INTEL IOP33X ARM ARCHITECTURE
M: Dan Williams <dan.j.williams@intel.com>
M: Dan Williams <djbw@fb.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
ARM/INTEL IOP13XX ARM ARCHITECTURE
M: Lennert Buytenhek <kernel@wantstofly.org>
M: Dan Williams <dan.j.williams@intel.com>
M: Dan Williams <djbw@fb.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
ARM/INTEL IQ81342EX MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
M: Dan Williams <dan.j.williams@intel.com>
M: Dan Williams <djbw@fb.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
@ -869,7 +869,7 @@ F: drivers/pcmcia/pxa2xx_stargate2.c
ARM/INTEL XSC3 (MANZANO) ARM CORE
M: Lennert Buytenhek <kernel@wantstofly.org>
M: Dan Williams <dan.j.williams@intel.com>
M: Dan Williams <djbw@fb.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
@ -925,14 +925,14 @@ S: Maintained
ARM/NOMADIK ARCHITECTURE
M: Alessandro Rubini <rubini@unipv.it>
M: Linus Walleij <linus.walleij@stericsson.com>
M: Linus Walleij <linus.walleij@linaro.org>
M: STEricsson <STEricsson_nomadik_linux@list.st.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/mach-nomadik/
F: arch/arm/plat-nomadik/
F: drivers/i2c/busses/i2c-nomadik.c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git
ARM/OPENMOKO NEO FREERUNNER (GTA02) MACHINE SUPPORT
M: Nelson Castillo <arhuaco@freaks-unidos.net>
@ -1146,7 +1146,7 @@ F: drivers/usb/host/ehci-w90x900.c
F: drivers/video/nuc900fb.c
ARM/U300 MACHINE SUPPORT
M: Linus Walleij <linus.walleij@stericsson.com>
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Supported
F: arch/arm/mach-u300/
@ -1161,15 +1161,20 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git
ARM/Ux500 ARM ARCHITECTURE
M: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
M: Linus Walleij <linus.walleij@stericsson.com>
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/mach-ux500/
F: drivers/clocksource/clksrc-dbx500-prcmu.c
F: drivers/dma/ste_dma40*
F: drivers/hwspinlock/u8500_hsem.c
F: drivers/mfd/abx500*
F: drivers/mfd/ab8500*
F: drivers/mfd/stmpe*
F: drivers/mfd/dbx500*
F: drivers/mfd/db8500*
F: drivers/pinctrl/pinctrl-nomadik*
F: drivers/rtc/rtc-ab8500.c
F: drivers/rtc/rtc-pl031.c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git
ARM/VFP SUPPORT
@ -1227,9 +1232,9 @@ S: Maintained
F: drivers/hwmon/asb100.c
ASYNCHRONOUS TRANSFERS/TRANSFORMS (IOAT) API
M: Dan Williams <dan.j.williams@intel.com>
M: Dan Williams <djbw@fb.com>
W: http://sourceforge.net/projects/xscaleiop
S: Supported
S: Maintained
F: Documentation/crypto/async-tx-api.txt
F: crypto/async_tx/
F: drivers/dma/
@ -2212,7 +2217,7 @@ S: Maintained
F: drivers/scsi/tmscsim.*
DC395x SCSI driver
M: Oliver Neukum <oliver@neukum.name>
M: Oliver Neukum <oliver@neukum.org>
M: Ali Akcaagac <aliakc@web.de>
M: Jamie Lenehan <lenehan@twibble.org>
W: http://twibble.org/dist/dc395x/
@ -2359,7 +2364,7 @@ T: git git://git.linaro.org/people/sumitsemwal/linux-dma-buf.git
DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
M: Vinod Koul <vinod.koul@intel.com>
M: Dan Williams <dan.j.williams@intel.com>
M: Dan Williams <djbw@fb.com>
S: Supported
F: drivers/dma/
F: include/linux/dma*
@ -3094,7 +3099,7 @@ F: include/linux/gigaset_dev.h
GPIO SUBSYSTEM
M: Grant Likely <grant.likely@secretlab.ca>
M: Linus Walleij <linus.walleij@stericsson.com>
M: Linus Walleij <linus.walleij@linaro.org>
S: Maintained
T: git git://git.secretlab.ca/git/linux-2.6.git
F: Documentation/gpio.txt
@ -3547,7 +3552,6 @@ K: \b(ABS|SYN)_MT_
INTEL C600 SERIES SAS CONTROLLER DRIVER
M: Intel SCU Linux support <intel-linux-scu@intel.com>
M: Dan Williams <dan.j.williams@intel.com>
M: Dave Jiang <dave.jiang@intel.com>
M: Ed Nadolski <edmund.nadolski@intel.com>
L: linux-scsi@vger.kernel.org
@ -3590,8 +3594,8 @@ F: arch/x86/kernel/microcode_core.c
F: arch/x86/kernel/microcode_intel.c
INTEL I/OAT DMA DRIVER
M: Dan Williams <dan.j.williams@intel.com>
S: Supported
M: Dan Williams <djbw@fb.com>
S: Maintained
F: drivers/dma/ioat*
INTEL IOMMU (VT-d)
@ -3603,8 +3607,8 @@ F: drivers/iommu/intel-iommu.c
F: include/linux/intel-iommu.h
INTEL IOP-ADMA DMA DRIVER
M: Dan Williams <dan.j.williams@intel.com>
S: Maintained
M: Dan Williams <djbw@fb.com>
S: Odd fixes
F: drivers/dma/iop-adma.c
INTEL IXP4XX QMGR, NPE, ETHERNET and HSS SUPPORT
@ -4533,7 +4537,7 @@ S: Supported
F: arch/microblaze/
MICROTEK X6 SCANNER
M: Oliver Neukum <oliver@neukum.name>
M: Oliver Neukum <oliver@neukum.org>
S: Maintained
F: drivers/usb/image/microtek.*
@ -5329,6 +5333,7 @@ PIN CONTROL SUBSYSTEM
M: Linus Walleij <linus.walleij@linaro.org>
S: Maintained
F: drivers/pinctrl/
F: include/linux/pinctrl/
PIN CONTROLLER - ST SPEAR
M: Viresh Kumar <viresh.linux@gmail.com>
@ -5336,7 +5341,7 @@ L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.st.com/spear
S: Maintained
F: driver/pinctrl/spear/
F: drivers/pinctrl/spear/
PKTCDVD DRIVER
M: Peter Osterlund <petero2@telia.com>
@ -7071,7 +7076,7 @@ F: include/linux/mtd/ubi.h
F: include/mtd/ubi-user.h
USB ACM DRIVER
M: Oliver Neukum <oliver@neukum.name>
M: Oliver Neukum <oliver@neukum.org>
L: linux-usb@vger.kernel.org
S: Maintained
F: Documentation/usb/acm.txt
@ -7092,7 +7097,7 @@ S: Supported
F: drivers/block/ub.c
USB CDC ETHERNET DRIVER
M: Oliver Neukum <oliver@neukum.name>
M: Oliver Neukum <oliver@neukum.org>
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/net/usb/cdc_*.c
@ -7165,7 +7170,7 @@ F: drivers/usb/host/isp116x*
F: include/linux/usb/isp116x.h
USB KAWASAKI LSI DRIVER
M: Oliver Neukum <oliver@neukum.name>
M: Oliver Neukum <oliver@neukum.org>
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/usb/serial/kl5kusb105.*
@ -7283,6 +7288,12 @@ W: http://www.connecttech.com
S: Supported
F: drivers/usb/serial/whiteheat*
USB SMSC75XX ETHERNET DRIVER
M: Steve Glendinning <steve.glendinning@shawell.net>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/usb/smsc75xx.*
USB SMSC95XX ETHERNET DRIVER
M: Steve Glendinning <steve.glendinning@shawell.net>
L: netdev@vger.kernel.org
@ -7665,23 +7676,28 @@ S: Supported
F: Documentation/hwmon/wm83??
F: arch/arm/mach-s3c64xx/mach-crag6410*
F: drivers/clk/clk-wm83*.c
F: drivers/extcon/extcon-arizona.c
F: drivers/leds/leds-wm83*.c
F: drivers/gpio/gpio-*wm*.c
F: drivers/gpio/gpio-arizona.c
F: drivers/hwmon/wm83??-hwmon.c
F: drivers/input/misc/wm831x-on.c
F: drivers/input/touchscreen/wm831x-ts.c
F: drivers/input/touchscreen/wm97*.c
F: drivers/mfd/wm8*.c
F: drivers/mfd/arizona*
F: drivers/mfd/wm*.c
F: drivers/power/wm83*.c
F: drivers/rtc/rtc-wm83*.c
F: drivers/regulator/wm8*.c
F: drivers/video/backlight/wm83*_bl.c
F: drivers/watchdog/wm83*_wdt.c
F: include/linux/mfd/arizona/
F: include/linux/mfd/wm831x/
F: include/linux/mfd/wm8350/
F: include/linux/mfd/wm8400*
F: include/linux/wm97xx.h
F: include/sound/wm????.h
F: sound/soc/codecs/arizona.?
F: sound/soc/codecs/wm*
WORKQUEUE

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 6
SUBLEVEL = 0
EXTRAVERSION = -rc1
EXTRAVERSION = -rc3
NAME = Saber-toothed Squirrel
# *DOCUMENTATION*

2
arch/alpha/Kconfig
View File

@ -18,6 +18,8 @@ config ALPHA
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_SMP_IDLE_THREAD
select GENERIC_CMOS_UPDATE
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
help
The Alpha is a 64-bit general-purpose processor designed and
marketed by the Digital Equipment Corporation of blessed memory,

4
arch/alpha/include/asm/atomic.h
View File

@ -14,8 +14,8 @@
*/
#define ATOMIC_INIT(i) ( (atomic_t) { (i) } )
#define ATOMIC64_INIT(i) ( (atomic64_t) { (i) } )
#define ATOMIC_INIT(i) { (i) }
#define ATOMIC64_INIT(i) { (i) }
#define atomic_read(v) (*(volatile int *)&(v)->counter)
#define atomic64_read(v) (*(volatile long *)&(v)->counter)

2
arch/alpha/include/asm/fpu.h
View File

@ -1,7 +1,9 @@
#ifndef __ASM_ALPHA_FPU_H
#define __ASM_ALPHA_FPU_H
#ifdef __KERNEL__
#include <asm/special_insns.h>
#endif
/*
* Alpha floating-point control register defines:

5
arch/alpha/include/asm/ptrace.h
View File

@ -76,7 +76,10 @@ struct switch_stack {
#define task_pt_regs(task) \
((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1)
#define force_successful_syscall_return() (task_pt_regs(current)->r0 = 0)
#define current_pt_regs() \
((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1)
#define force_successful_syscall_return() (current_pt_regs()->r0 = 0)
#endif

2
arch/alpha/include/asm/socket.h
View File

@ -76,9 +76,11 @@
/* Instruct lower device to use last 4-bytes of skb data as FCS */
#define SO_NOFCS 43
#ifdef __KERNEL__
/* O_NONBLOCK clashes with the bits used for socket types. Therefore we
* have to define SOCK_NONBLOCK to a different value here.
*/
#define SOCK_NONBLOCK 0x40000000
#endif /* __KERNEL__ */
#endif /* _ASM_SOCKET_H */

34
arch/alpha/include/asm/uaccess.h
View File

@ -433,36 +433,12 @@ clear_user(void __user *to, long len)
#undef __module_address
#undef __module_call
/* Returns: -EFAULT if exception before terminator, N if the entire
buffer filled, else strlen. */
#define user_addr_max() \
(segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
extern long __strncpy_from_user(char *__to, const char __user *__from, long __to_len);
extern inline long
strncpy_from_user(char *to, const char __user *from, long n)
{
long ret = -EFAULT;
if (__access_ok((unsigned long)from, 0, get_fs()))
ret = __strncpy_from_user(to, from, n);
return ret;
}
/* Returns: 0 if bad, string length+1 (memory size) of string if ok */
extern long __strlen_user(const char __user *);
extern inline long strlen_user(const char __user *str)
{
return access_ok(VERIFY_READ,str,0) ? __strlen_user(str) : 0;
}
/* Returns: 0 if exception before NUL or reaching the supplied limit (N),
* a value greater than N if the limit would be exceeded, else strlen. */
extern long __strnlen_user(const char __user *, long);
extern inline long strnlen_user(const char __user *str, long n)
{
return access_ok(VERIFY_READ,str,0) ? __strnlen_user(str, n) : 0;
}
extern long strncpy_from_user(char *dest, const char __user *src, long count);
extern __must_check long strlen_user(const char __user *str);
extern __must_check long strnlen_user(const char __user *str, long n);
/*
* About the exception table:

4
arch/alpha/include/asm/unistd.h
View File

@ -465,10 +465,12 @@
#define __NR_setns 501
#define __NR_accept4 502
#define __NR_sendmmsg 503
#define __NR_process_vm_readv 504
#define __NR_process_vm_writev 505
#ifdef __KERNEL__
#define NR_SYSCALLS 504
#define NR_SYSCALLS 506
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_STAT64

55
arch/alpha/include/asm/word-at-a-time.h Normal file
View File

@ -0,0 +1,55 @@
#ifndef _ASM_WORD_AT_A_TIME_H
#define _ASM_WORD_AT_A_TIME_H
#include <asm/compiler.h>
/*
* word-at-a-time interface for Alpha.
*/
/*
* We do not use the word_at_a_time struct on Alpha, but it needs to be
* implemented to humour the generic code.
*/
struct word_at_a_time {
const unsigned long unused;
};
#define WORD_AT_A_TIME_CONSTANTS { 0 }
/* Return nonzero if val has a zero */
static inline unsigned long has_zero(unsigned long val, unsigned long *bits, const struct word_at_a_time *c)
{
unsigned long zero_locations = __kernel_cmpbge(0, val);
*bits = zero_locations;
return zero_locations;
}
static inline unsigned long prep_zero_mask(unsigned long val, unsigned long bits, const struct word_at_a_time *c)
{
return bits;
}
#define create_zero_mask(bits) (bits)
static inline unsigned long find_zero(unsigned long bits)
{
#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
/* Simple if have CIX instructions */
return __kernel_cttz(bits);
#else
unsigned long t1, t2, t3;
/* Retain lowest set bit only */
bits &= -bits;
/* Binary search for lowest set bit */
t1 = bits & 0xf0;
t2 = bits & 0xcc;
t3 = bits & 0xaa;
if (t1) t1 = 4;
if (t2) t2 = 2;
if (t3) t3 = 1;
return t1 + t2 + t3;
#endif
}
#endif /* _ASM_WORD_AT_A_TIME_H */

3
arch/alpha/kernel/alpha_ksyms.c
View File

@ -52,7 +52,6 @@ EXPORT_SYMBOL(alpha_write_fp_reg_s);
/* entry.S */
EXPORT_SYMBOL(kernel_thread);
EXPORT_SYMBOL(kernel_execve);
/* Networking helper routines. */
EXPORT_SYMBOL(csum_tcpudp_magic);
@ -74,8 +73,6 @@ EXPORT_SYMBOL(alpha_fp_emul);
*/
EXPORT_SYMBOL(__copy_user);
EXPORT_SYMBOL(__do_clear_user);
EXPORT_SYMBOL(__strncpy_from_user);
EXPORT_SYMBOL(__strnlen_user);
/*
* SMP-specific symbols.

161
arch/alpha/kernel/entry.S
View File

@ -663,58 +663,6 @@ kernel_thread:
br ret_to_kernel
.end kernel_thread
/*
* kernel_execve(path, argv, envp)
*/
.align 4
.globl kernel_execve
.ent kernel_execve
kernel_execve:
/* We can be called from a module. */
ldgp $gp, 0($27)
lda $sp, -(32+SIZEOF_PT_REGS+8)($sp)
.frame $sp, 32+SIZEOF_PT_REGS+8, $26, 0
stq $26, 0($sp)
stq $16, 8($sp)
stq $17, 16($sp)
stq $18, 24($sp)
.prologue 1
lda $16, 32($sp)
lda $17, 0
lda $18, SIZEOF_PT_REGS
bsr $26, memset !samegp
/* Avoid the HAE being gratuitously wrong, which would cause us
to do the whole turn off interrupts thing and restore it. */
ldq $2, alpha_mv+HAE_CACHE
stq $2, 152+32($sp)
ldq $16, 8($sp)
ldq $17, 16($sp)
ldq $18, 24($sp)
lda $19, 32($sp)
bsr $26, do_execve !samegp
ldq $26, 0($sp)
bne $0, 1f /* error! */
/* Move the temporary pt_regs struct from its current location
to the top of the kernel stack frame. See copy_thread for
details for a normal process. */
lda $16, 0x4000 - SIZEOF_PT_REGS($8)
lda $17, 32($sp)
lda $18, SIZEOF_PT_REGS
bsr $26, memmove !samegp
/* Take that over as our new stack frame and visit userland! */
lda $sp, 0x4000 - SIZEOF_PT_REGS($8)
br $31, ret_from_sys_call
1: lda $sp, 32+SIZEOF_PT_REGS+8($sp)
ret
.end kernel_execve
/*
* Special system calls. Most of these are special in that they either
@ -796,115 +744,6 @@ sys_rt_sigreturn:
br ret_from_sys_call
.end sys_rt_sigreturn
.align 4
.globl sys_sethae
.ent sys_sethae
sys_sethae:
.prologue 0
stq $16, 152($sp)
ret
.end sys_sethae
.align 4
.globl osf_getpriority
.ent osf_getpriority
osf_getpriority:
lda $sp, -16($sp)
stq $26, 0($sp)
.prologue 0
jsr $26, sys_getpriority
ldq $26, 0($sp)
blt $0, 1f
/* Return value is the unbiased priority, i.e. 20 - prio.
This does result in negative return values, so signal
no error by writing into the R0 slot. */
lda $1, 20
stq $31, 16($sp)
subl $1, $0, $0
unop
1: lda $sp, 16($sp)
ret
.end osf_getpriority
.align 4
.globl sys_getxuid
.ent sys_getxuid
sys_getxuid:
.prologue 0
ldq $2, TI_TASK($8)
ldq $3, TASK_CRED($2)
ldl $0, CRED_UID($3)
ldl $1, CRED_EUID($3)
stq $1, 80($sp)
ret
.end sys_getxuid
.align 4
.globl sys_getxgid
.ent sys_getxgid
sys_getxgid:
.prologue 0
ldq $2, TI_TASK($8)
ldq $3, TASK_CRED($2)
ldl $0, CRED_GID($3)
ldl $1, CRED_EGID($3)
stq $1, 80($sp)
ret
.end sys_getxgid
.align 4
.globl sys_getxpid
.ent sys_getxpid
sys_getxpid:
.prologue 0
ldq $2, TI_TASK($8)
/* See linux/kernel/timer.c sys_getppid for discussion
about this loop. */
ldq $3, TASK_GROUP_LEADER($2)
ldq $4, TASK_REAL_PARENT($3)
ldl $0, TASK_TGID($2)
1: ldl $1, TASK_TGID($4)
#ifdef CONFIG_SMP
mov $4, $5
mb
ldq $3, TASK_GROUP_LEADER($2)
ldq $4, TASK_REAL_PARENT($3)
cmpeq $4, $5, $5
beq $5, 1b
#endif
stq $1, 80($sp)
ret
.end sys_getxpid
.align 4
.globl sys_alpha_pipe
.ent sys_alpha_pipe
sys_alpha_pipe:
lda $sp, -16($sp)
stq $26, 0($sp)
.prologue 0
mov $31, $17
lda $16, 8($sp)
jsr $26, do_pipe_flags
ldq $26, 0($sp)
bne $0, 1f
/* The return values are in $0 and $20. */
ldl $1, 12($sp)
ldl $0, 8($sp)
stq $1, 80+16($sp)
1: lda $sp, 16($sp)
ret
.end sys_alpha_pipe
.align 4
.globl sys_execve
.ent sys_execve

49
arch/alpha/kernel/osf_sys.c
View File

@ -1404,3 +1404,52 @@ SYSCALL_DEFINE3(osf_writev, unsigned long, fd,
}
#endif
SYSCALL_DEFINE2(osf_getpriority, int, which, int, who)
{
int prio = sys_getpriority(which, who);
if (prio >= 0) {
/* Return value is the unbiased priority, i.e. 20 - prio.
This does result in negative return values, so signal
no error */
force_successful_syscall_return();
prio = 20 - prio;
}
return prio;
}
SYSCALL_DEFINE0(getxuid)
{
current_pt_regs()->r20 = sys_geteuid();
return sys_getuid();
}
SYSCALL_DEFINE0(getxgid)
{
current_pt_regs()->r20 = sys_getegid();
return sys_getgid();
}
SYSCALL_DEFINE0(getxpid)
{
current_pt_regs()->r20 = sys_getppid();
return sys_getpid();
}
SYSCALL_DEFINE0(alpha_pipe)
{
int fd[2];
int res = do_pipe_flags(fd, 0);
if (!res) {
/* The return values are in $0 and $20. */
current_pt_regs()->r20 = fd[1];
res = fd[0];
}
return res;
}
SYSCALL_DEFINE1(sethae, unsigned long, val)
{
current_pt_regs()->hae = val;
return 0;
}

19
arch/alpha/kernel/process.c
View File

@ -455,3 +455,22 @@ get_wchan(struct task_struct *p)
}
return pc;
}
int kernel_execve(const char *path, const char *const argv[], const char *const envp[])
{
/* Avoid the HAE being gratuitously wrong, which would cause us
to do the whole turn off interrupts thing and restore it. */
struct pt_regs regs = {.hae = alpha_mv.hae_cache};
int err = do_execve(path, argv, envp, &regs);
if (!err) {
struct pt_regs *p = current_pt_regs();
/* copy regs to normal position and off to userland we go... */
*p = regs;
__asm__ __volatile__ (
"mov %0, $sp;"
"br $31, ret_from_sys_call"
: : "r"(p));
}
return err;
}
EXPORT_SYMBOL(kernel_execve);

4
arch/alpha/kernel/systbls.S
View File

@ -111,7 +111,7 @@ sys_call_table:
.quad sys_socket
.quad sys_connect
.quad sys_accept
.quad osf_getpriority /* 100 */
.quad sys_osf_getpriority /* 100 */
.quad sys_send
.quad sys_recv
.quad sys_sigreturn
@ -522,6 +522,8 @@ sys_call_table:
.quad sys_setns
.quad sys_accept4
.quad sys_sendmmsg
.quad sys_process_vm_readv
.quad sys_process_vm_writev /* 505 */
.size sys_call_table, . - sys_call_table
.type sys_call_table, @object

2
arch/alpha/lib/Makefile
View File

@ -31,8 +31,6 @@ lib-y = __divqu.o __remqu.o __divlu.o __remlu.o \
$(ev6-y)memchr.o \
$(ev6-y)copy_user.o \
$(ev6-y)clear_user.o \
$(ev6-y)strncpy_from_user.o \
$(ev67-y)strlen_user.o \
$(ev6-y)csum_ipv6_magic.o \
$(ev6-y)clear_page.o \
$(ev6-y)copy_page.o \

424
arch/alpha/lib/ev6-strncpy_from_user.S
View File

@ -1,424 +0,0 @@
/*
* arch/alpha/lib/ev6-strncpy_from_user.S
* 21264 version contributed by Rick Gorton <rick.gorton@alpha-processor.com>
*
* Just like strncpy except in the return value:
*
* -EFAULT if an exception occurs before the terminator is copied.
* N if the buffer filled.
*
* Otherwise the length of the string is returned.
*
* Much of the information about 21264 scheduling/coding comes from:
* Compiler Writer's Guide for the Alpha 21264
* abbreviated as 'CWG' in other comments here
* ftp.digital.com/pub/Digital/info/semiconductor/literature/dsc-library.html
* Scheduling notation:
* E - either cluster
* U - upper subcluster; U0 - subcluster U0; U1 - subcluster U1
* L - lower subcluster; L0 - subcluster L0; L1 - subcluster L1
* A bunch of instructions got moved and temp registers were changed
* to aid in scheduling. Control flow was also re-arranged to eliminate
* branches, and to provide longer code sequences to enable better scheduling.
* A total rewrite (using byte load/stores for start & tail sequences)
* is desirable, but very difficult to do without a from-scratch rewrite.
* Save that for the future.
*/
#include <asm/errno.h>
#include <asm/regdef.h>
/* Allow an exception for an insn; exit if we get one. */
#define EX(x,y...) \
99: x,##y; \
.section __ex_table,"a"; \
.long 99b - .; \
lda $31, $exception-99b($0); \
.previous
.set noat
.set noreorder
.text
.globl __strncpy_from_user
.ent __strncpy_from_user
.frame $30, 0, $26
.prologue 0
.align 4
__strncpy_from_user:
and a0, 7, t3 # E : find dest misalignment
beq a2, $zerolength # U :
/* Are source and destination co-aligned? */
mov a0, v0 # E : save the string start
xor a0, a1, t4 # E :
EX( ldq_u t1, 0(a1) ) # L : Latency=3 load first quadword
ldq_u t0, 0(a0) # L : load first (partial) aligned dest quadword
addq a2, t3, a2 # E : bias count by dest misalignment
subq a2, 1, a3 # E :
addq zero, 1, t10 # E :
and t4, 7, t4 # E : misalignment between the two
and a3, 7, t6 # E : number of tail bytes
sll t10, t6, t10 # E : t10 = bitmask of last count byte
bne t4, $unaligned # U :
lda t2, -1 # E : build a mask against false zero
/*
* We are co-aligned; take care of a partial first word.
* On entry to this basic block:
* t0 == the first destination word for masking back in
* t1 == the first source word.
*/
srl a3, 3, a2 # E : a2 = loop counter = (count - 1)/8
addq a1, 8, a1 # E :
mskqh t2, a1, t2 # U : detection in the src word
nop
/* Create the 1st output word and detect 0's in the 1st input word. */
mskqh t1, a1, t3 # U :
mskql t0, a1, t0 # U : assemble the first output word
ornot t1, t2, t2 # E :
nop
cmpbge zero, t2, t8 # E : bits set iff null found
or t0, t3, t0 # E :
beq a2, $a_eoc # U :
bne t8, $a_eos # U : 2nd branch in a quad. Bad.
/* On entry to this basic block:
* t0 == a source quad not containing a null.
* a0 - current aligned destination address
* a1 - current aligned source address
* a2 - count of quadwords to move.
* NOTE: Loop improvement - unrolling this is going to be
* a huge win, since we're going to stall otherwise.
* Fix this later. For _really_ large copies, look
* at using wh64 on a look-ahead basis. See the code
* in clear_user.S and copy_user.S.
* Presumably, since (a0) and (a1) do not overlap (by C definition)
* Lots of nops here:
* - Separate loads from stores
* - Keep it to 1 branch/quadpack so the branch predictor
* can train.
*/
$a_loop:
stq_u t0, 0(a0) # L :
addq a0, 8, a0 # E :
nop
subq a2, 1, a2 # E :
EX( ldq_u t0, 0(a1) ) # L :
addq a1, 8, a1 # E :
cmpbge zero, t0, t8 # E : Stall 2 cycles on t0
beq a2, $a_eoc # U :
beq t8, $a_loop # U :
nop
nop
nop
/* Take care of the final (partial) word store. At this point
* the end-of-count bit is set in t8 iff it applies.
*
* On entry to this basic block we have:
* t0 == the source word containing the null
* t8 == the cmpbge mask that found it.
*/
$a_eos:
negq t8, t12 # E : find low bit set
and t8, t12, t12 # E :
/* We're doing a partial word store and so need to combine
our source and original destination words. */
ldq_u t1, 0(a0) # L :
subq t12, 1, t6 # E :
or t12, t6, t8 # E :
zapnot t0, t8, t0 # U : clear src bytes > null
zap t1, t8, t1 # U : clear dst bytes <= null
or t0, t1, t0 # E :
stq_u t0, 0(a0) # L :
br $finish_up # L0 :
nop
nop
/* Add the end-of-count bit to the eos detection bitmask. */
.align 4
$a_eoc:
or t10, t8, t8
br $a_eos
nop
nop
/* The source and destination are not co-aligned. Align the destination
and cope. We have to be very careful about not reading too much and
causing a SEGV. */
.align 4
$u_head:
/* We know just enough now to be able to assemble the first
full source word. We can still find a zero at the end of it
that prevents us from outputting the whole thing.
On entry to this basic block:
t0 == the first dest word, unmasked
t1 == the shifted low bits of the first source word
t6 == bytemask that is -1 in dest word bytes */
EX( ldq_u t2, 8(a1) ) # L : load second src word
addq a1, 8, a1 # E :
mskql t0, a0, t0 # U : mask trailing garbage in dst
extqh t2, a1, t4 # U :
or t1, t4, t1 # E : first aligned src word complete
mskqh t1, a0, t1 # U : mask leading garbage in src
or t0, t1, t0 # E : first output word complete
or t0, t6, t6 # E : mask original data for zero test
cmpbge zero, t6, t8 # E :
beq a2, $u_eocfin # U :
bne t8, $u_final # U : bad news - 2nd branch in a quad
lda t6, -1 # E : mask out the bits we have
mskql t6, a1, t6 # U : already seen
stq_u t0, 0(a0) # L : store first output word
or t6, t2, t2 # E :
cmpbge zero, t2, t8 # E : find nulls in second partial
addq a0, 8, a0 # E :
subq a2, 1, a2 # E :
bne t8, $u_late_head_exit # U :
nop
/* Finally, we've got all the stupid leading edge cases taken care
of and we can set up to enter the main loop. */
extql t2, a1, t1 # U : position hi-bits of lo word
EX( ldq_u t2, 8(a1) ) # L : read next high-order source word
addq a1, 8, a1 # E :
cmpbge zero, t2, t8 # E :
beq a2, $u_eoc # U :
bne t8, $u_eos # U :
nop
nop
/* Unaligned copy main loop. In order to avoid reading too much,
the loop is structured to detect zeros in aligned source words.
This has, unfortunately, effectively pulled half of a loop
iteration out into the head and half into the tail, but it does
prevent nastiness from accumulating in the very thing we want
to run as fast as possible.
On entry to this basic block:
t1 == the shifted high-order bits from the previous source word
t2 == the unshifted current source word
We further know that t2 does not contain a null terminator. */
/*
* Extra nops here:
* separate load quads from store quads
* only one branch/quad to permit predictor training
*/
.align 4
$u_loop:
extqh t2, a1, t0 # U : extract high bits for current word
addq a1, 8, a1 # E :
extql t2, a1, t3 # U : extract low bits for next time
addq a0, 8, a0 # E :
or t0, t1, t0 # E : current dst word now complete
EX( ldq_u t2, 0(a1) ) # L : load high word for next time
subq a2, 1, a2 # E :
nop
stq_u t0, -8(a0) # L : save the current word
mov t3, t1 # E :
cmpbge zero, t2, t8 # E : test new word for eos
beq a2, $u_eoc # U :
beq t8, $u_loop # U :
nop
nop
nop
/* We've found a zero somewhere in the source word we just read.
If it resides in the lower half, we have one (probably partial)
word to write out, and if it resides in the upper half, we
have one full and one partial word left to write out.
On entry to this basic block:
t1 == the shifted high-order bits from the previous source word
t2 == the unshifted current source word. */
.align 4
$u_eos:
extqh t2, a1, t0 # U :
or t0, t1, t0 # E : first (partial) source word complete
cmpbge zero, t0, t8 # E : is the null in this first bit?
nop
bne t8, $u_final # U :
stq_u t0, 0(a0) # L : the null was in the high-order bits
addq a0, 8, a0 # E :
subq a2, 1, a2 # E :
.align 4
$u_late_head_exit:
extql t2, a1, t0 # U :
cmpbge zero, t0, t8 # E :
or t8, t10, t6 # E :
cmoveq a2, t6, t8 # E :
/* Take care of a final (probably partial) result word.
On entry to this basic block:
t0 == assembled source word
t8 == cmpbge mask that found the null. */
.align 4
$u_final:
negq t8, t6 # E : isolate low bit set
and t6, t8, t12 # E :
ldq_u t1, 0(a0) # L :
subq t12, 1, t6 # E :
or t6, t12, t8 # E :
zapnot t0, t8, t0 # U : kill source bytes > null
zap t1, t8, t1 # U : kill dest bytes <= null
or t0, t1, t0 # E :
stq_u t0, 0(a0) # E :
br $finish_up # U :
nop
nop
.align 4
$u_eoc: # end-of-count
extqh t2, a1, t0 # U :
or t0, t1, t0 # E :
cmpbge zero, t0, t8 # E :
nop
.align 4
$u_eocfin: # end-of-count, final word
or t10, t8, t8 # E :
br $u_final # U :
nop
nop
/* Unaligned copy entry point. */
.align 4
$unaligned:
srl a3, 3, a2 # U : a2 = loop counter = (count - 1)/8
and a0, 7, t4 # E : find dest misalignment
and a1, 7, t5 # E : find src misalignment
mov zero, t0 # E :
/* Conditionally load the first destination word and a bytemask
with 0xff indicating that the destination byte is sacrosanct. */
mov zero, t6 # E :
beq t4, 1f # U :
ldq_u t0, 0(a0) # L :
lda t6, -1 # E :
mskql t6, a0, t6 # E :
nop
nop
nop
.align 4
1:
subq a1, t4, a1 # E : sub dest misalignment from src addr
/* If source misalignment is larger than dest misalignment, we need
extra startup checks to avoid SEGV. */
cmplt t4, t5, t12 # E :
extql t1, a1, t1 # U : shift src into place
lda t2, -1 # E : for creating masks later
beq t12, $u_head # U :
mskqh t2, t5, t2 # U : begin src byte validity mask
cmpbge zero, t1, t8 # E : is there a zero?
nop
extql t2, a1, t2 # U :
or t8, t10, t5 # E : test for end-of-count too
cmpbge zero, t2, t3 # E :
cmoveq a2, t5, t8 # E : Latency=2, extra map slot
nop # E : goes with cmov
andnot t8, t3, t8 # E :
beq t8, $u_head # U :
nop
/* At this point we've found a zero in the first partial word of
the source. We need to isolate the valid source data and mask
it into the original destination data. (Incidentally, we know
that we'll need at least one byte of that original dest word.) */
ldq_u t0, 0(a0) # L :
negq t8, t6 # E : build bitmask of bytes <= zero
mskqh t1, t4, t1 # U :
and t6, t8, t12 # E :
subq t12, 1, t6 # E :
or t6, t12, t8 # E :
zapnot t2, t8, t2 # U : prepare source word; mirror changes
zapnot t1, t8, t1 # U : to source validity mask
andnot t0, t2, t0 # E : zero place for source to reside
or t0, t1, t0 # E : and put it there
stq_u t0, 0(a0) # L :
nop
.align 4
$finish_up:
zapnot t0, t12, t4 # U : was last byte written null?
and t12, 0xf0, t3 # E : binary search for the address of the
cmovne t4, 1, t4 # E : Latency=2, extra map slot
nop # E : with cmovne
and t12, 0xcc, t2 # E : last byte written
and t12, 0xaa, t1 # E :
cmovne t3, 4, t3 # E : Latency=2, extra map slot
nop # E : with cmovne
bic a0, 7, t0
cmovne t2, 2, t2 # E : Latency=2, extra map slot
nop # E : with cmovne
nop
cmovne t1, 1, t1 # E : Latency=2, extra map slot
nop # E : with cmovne
addq t0, t3, t0 # E :
addq t1, t2, t1 # E :
addq t0, t1, t0 # E :
addq t0, t4, t0 # add one if we filled the buffer
subq t0, v0, v0 # find string length
ret # L0 :
.align 4
$zerolength:
nop
nop
nop
clr v0
$exception:
nop
nop
nop
ret
.end __strncpy_from_user

107
arch/alpha/lib/ev67-strlen_user.S
View File

@ -1,107 +0,0 @@
/*
* arch/alpha/lib/ev67-strlen_user.S
* 21264 version contributed by Rick Gorton <rick.gorton@api-networks.com>
*
* Return the length of the string including the NULL terminator
* (strlen+1) or zero if an error occurred.
*
* In places where it is critical to limit the processing time,
* and the data is not trusted, strnlen_user() should be used.
* It will return a value greater than its second argument if
* that limit would be exceeded. This implementation is allowed
* to access memory beyond the limit, but will not cross a page
* boundary when doing so.
*
* Much of the information about 21264 scheduling/coding comes from:
* Compiler Writer's Guide for the Alpha 21264
* abbreviated as 'CWG' in other comments here
* ftp.digital.com/pub/Digital/info/semiconductor/literature/dsc-library.html
* Scheduling notation:
* E - either cluster
* U - upper subcluster; U0 - subcluster U0; U1 - subcluster U1
* L - lower subcluster; L0 - subcluster L0; L1 - subcluster L1
* Try not to change the actual algorithm if possible for consistency.
*/
#include <asm/regdef.h>
/* Allow an exception for an insn; exit if we get one. */
#define EX(x,y...) \
99: x,##y; \
.section __ex_table,"a"; \
.long 99b - .; \
lda v0, $exception-99b(zero); \
.previous
.set noreorder
.set noat
.text
.globl __strlen_user
.ent __strlen_user
.frame sp, 0, ra
.align 4
__strlen_user:
ldah a1, 32767(zero) # do not use plain strlen_user() for strings
# that might be almost 2 GB long; you should
# be using strnlen_user() instead
nop
nop
nop
.globl __strnlen_user
.align 4
__strnlen_user:
.prologue 0
EX( ldq_u t0, 0(a0) ) # L : load first quadword (a0 may be misaligned)
lda t1, -1(zero) # E :
insqh t1, a0, t1 # U :
andnot a0, 7, v0 # E :
or t1, t0, t0 # E :
subq a0, 1, a0 # E : get our +1 for the return
cmpbge zero, t0, t1 # E : t1 <- bitmask: bit i == 1 <==> i-th byte == 0
subq a1, 7, t2 # E :
subq a0, v0, t0 # E :
bne t1, $found # U :
addq t2, t0, t2 # E :
addq a1, 1, a1 # E :
nop # E :
nop # E :
.align 4
$loop: ble t2, $limit # U :
EX( ldq t0, 8(v0) ) # L :
nop # E :
nop # E :
cmpbge zero, t0, t1 # E :
subq t2, 8, t2 # E :
addq v0, 8, v0 # E : addr += 8
beq t1, $loop # U :
$found: cttz t1, t2 # U0 :
addq v0, t2, v0 # E :
subq v0, a0, v0 # E :
ret # L0 :
$exception:
nop
nop
nop
ret
.align 4 # currently redundant
$limit:
nop
nop
subq a1, t2, v0
ret
.end __strlen_user

91
arch/alpha/lib/strlen_user.S
View File

@ -1,91 +0,0 @@
/*
* arch/alpha/lib/strlen_user.S
*
* Return the length of the string including the NUL terminator
* (strlen+1) or zero if an error occurred.
*
* In places where it is critical to limit the processing time,
* and the data is not trusted, strnlen_user() should be used.
* It will return a value greater than its second argument if
* that limit would be exceeded. This implementation is allowed
* to access memory beyond the limit, but will not cross a page
* boundary when doing so.
*/
#include <asm/regdef.h>
/* Allow an exception for an insn; exit if we get one. */
#define EX(x,y...) \
99: x,##y; \
.section __ex_table,"a"; \
.long 99b - .; \
lda v0, $exception-99b(zero); \
.previous
.set noreorder
.set noat
.text
.globl __strlen_user
.ent __strlen_user
.frame sp, 0, ra
.align 3
__strlen_user:
ldah a1, 32767(zero) # do not use plain strlen_user() for strings
# that might be almost 2 GB long; you should
# be using strnlen_user() instead
.globl __strnlen_user
.align 3
__strnlen_user:
.prologue 0
EX( ldq_u t0, 0(a0) ) # load first quadword (a0 may be misaligned)
lda t1, -1(zero)
insqh t1, a0, t1
andnot a0, 7, v0
or t1, t0, t0
subq a0, 1, a0 # get our +1 for the return
cmpbge zero, t0, t1 # t1 <- bitmask: bit i == 1 <==> i-th byte == 0
subq a1, 7, t2
subq a0, v0, t0
bne t1, $found
addq t2, t0, t2
addq a1, 1, a1
.align 3
$loop: ble t2, $limit
EX( ldq t0, 8(v0) )
subq t2, 8, t2
addq v0, 8, v0 # addr += 8
cmpbge zero, t0, t1
beq t1, $loop
$found: negq t1, t2 # clear all but least set bit
and t1, t2, t1
and t1, 0xf0, t2 # binary search for that set bit
and t1, 0xcc, t3
and t1, 0xaa, t4
cmovne t2, 4, t2
cmovne t3, 2, t3
cmovne t4, 1, t4
addq t2, t3, t2
addq v0, t4, v0
addq v0, t2, v0
nop # dual issue next two on ev4 and ev5
subq v0, a0, v0
$exception:
ret
.align 3 # currently redundant
$limit:
subq a1, t2, v0
ret
.end __strlen_user

339
arch/alpha/lib/strncpy_from_user.S
View File

@ -1,339 +0,0 @@
/*
* arch/alpha/lib/strncpy_from_user.S
* Contributed by Richard Henderson (rth@tamu.edu)
*
* Just like strncpy except in the return value:
*
* -EFAULT if an exception occurs before the terminator is copied.
* N if the buffer filled.
*
* Otherwise the length of the string is returned.
*/
#include <asm/errno.h>
#include <asm/regdef.h>
/* Allow an exception for an insn; exit if we get one. */
#define EX(x,y...) \
99: x,##y; \
.section __ex_table,"a"; \
.long 99b - .; \
lda $31, $exception-99b($0); \
.previous
.set noat
.set noreorder
.text
.globl __strncpy_from_user
.ent __strncpy_from_user
.frame $30, 0, $26
.prologue 0
.align 3
$aligned:
/* On entry to this basic block:
t0 == the first destination word for masking back in
t1 == the first source word. */
/* Create the 1st output word and detect 0's in the 1st input word. */
lda t2, -1 # e1 : build a mask against false zero
mskqh t2, a1, t2 # e0 : detection in the src word
mskqh t1, a1, t3 # e0 :
ornot t1, t2, t2 # .. e1 :
mskql t0, a1, t0 # e0 : assemble the first output word
cmpbge zero, t2, t8 # .. e1 : bits set iff null found
or t0, t3, t0 # e0 :
beq a2, $a_eoc # .. e1 :
bne t8, $a_eos # .. e1 :
/* On entry to this basic block:
t0 == a source word not containing a null. */
$a_loop:
stq_u t0, 0(a0) # e0 :
addq a0, 8, a0 # .. e1 :
EX( ldq_u t0, 0(a1) ) # e0 :
addq a1, 8, a1 # .. e1 :
subq a2, 1, a2 # e0 :
cmpbge zero, t0, t8 # .. e1 (stall)
beq a2, $a_eoc # e1 :
beq t8, $a_loop # e1 :
/* Take care of the final (partial) word store. At this point
the end-of-count bit is set in t8 iff it applies.
On entry to this basic block we have:
t0 == the source word containing the null
t8 == the cmpbge mask that found it. */
$a_eos:
negq t8, t12 # e0 : find low bit set
and t8, t12, t12 # e1 (stall)
/* For the sake of the cache, don't read a destination word
if we're not going to need it. */
and t12, 0x80, t6 # e0 :
bne t6, 1f # .. e1 (zdb)
/* We're doing a partial word store and so need to combine
our source and original destination words. */
ldq_u t1, 0(a0) # e0 :
subq t12, 1, t6 # .. e1 :
or t12, t6, t8 # e0 :
unop #
zapnot t0, t8, t0 # e0 : clear src bytes > null
zap t1, t8, t1 # .. e1 : clear dst bytes <= null
or t0, t1, t0 # e1 :
1: stq_u t0, 0(a0)
br $finish_up
/* Add the end-of-count bit to the eos detection bitmask. */
$a_eoc:
or t10, t8, t8
br $a_eos
/*** The Function Entry Point ***/
.align 3
__strncpy_from_user:
mov a0, v0 # save the string start
beq a2, $zerolength
/* Are source and destination co-aligned? */
xor a0, a1, t1 # e0 :
and a0, 7, t0 # .. e1 : find dest misalignment
and t1, 7, t1 # e0 :
addq a2, t0, a2 # .. e1 : bias count by dest misalignment
subq a2, 1, a2 # e0 :
and a2, 7, t2 # e1 :
srl a2, 3, a2 # e0 : a2 = loop counter = (count - 1)/8
addq zero, 1, t10 # .. e1 :
sll t10, t2, t10 # e0 : t10 = bitmask of last count byte
bne t1, $unaligned # .. e1 :
/* We are co-aligned; take care of a partial first word. */
EX( ldq_u t1, 0(a1) ) # e0 : load first src word
addq a1, 8, a1 # .. e1 :
beq t0, $aligned # avoid loading dest word if not needed
ldq_u t0, 0(a0) # e0 :
br $aligned # .. e1 :
/* The source and destination are not co-aligned. Align the destination
and cope. We have to be very careful about not reading too much and
causing a SEGV. */
.align 3
$u_head:
/* We know just enough now to be able to assemble the first
full source word. We can still find a zero at the end of it
that prevents us from outputting the whole thing.
On entry to this basic block:
t0 == the first dest word, unmasked
t1 == the shifted low bits of the first source word
t6 == bytemask that is -1 in dest word bytes */
EX( ldq_u t2, 8(a1) ) # e0 : load second src word
addq a1, 8, a1 # .. e1 :
mskql t0, a0, t0 # e0 : mask trailing garbage in dst
extqh t2, a1, t4 # e0 :
or t1, t4, t1 # e1 : first aligned src word complete
mskqh t1, a0, t1 # e0 : mask leading garbage in src
or t0, t1, t0 # e0 : first output word complete
or t0, t6, t6 # e1 : mask original data for zero test
cmpbge zero, t6, t8 # e0 :
beq a2, $u_eocfin # .. e1 :
bne t8, $u_final # e1 :
lda t6, -1 # e1 : mask out the bits we have
mskql t6, a1, t6 # e0 : already seen
stq_u t0, 0(a0) # e0 : store first output word
or t6, t2, t2 # .. e1 :
cmpbge zero, t2, t8 # e0 : find nulls in second partial
addq a0, 8, a0 # .. e1 :
subq a2, 1, a2 # e0 :
bne t8, $u_late_head_exit # .. e1 :
/* Finally, we've got all the stupid leading edge cases taken care
of and we can set up to enter the main loop. */
extql t2, a1, t1 # e0 : position hi-bits of lo word
EX( ldq_u t2, 8(a1) ) # .. e1 : read next high-order source word
addq a1, 8, a1 # e0 :
cmpbge zero, t2, t8 # e1 (stall)
beq a2, $u_eoc # e1 :
bne t8, $u_eos # e1 :
/* Unaligned copy main loop. In order to avoid reading too much,
the loop is structured to detect zeros in aligned source words.
This has, unfortunately, effectively pulled half of a loop
iteration out into the head and half into the tail, but it does
prevent nastiness from accumulating in the very thing we want
to run as fast as possible.
On entry to this basic block:
t1 == the shifted high-order bits from the previous source word
t2 == the unshifted current source word
We further know that t2 does not contain a null terminator. */
.align 3
$u_loop:
extqh t2, a1, t0 # e0 : extract high bits for current word
addq a1, 8, a1 # .. e1 :
extql t2, a1, t3 # e0 : extract low bits for next time
addq a0, 8, a0 # .. e1 :
or t0, t1, t0 # e0 : current dst word now complete
EX( ldq_u t2, 0(a1) ) # .. e1 : load high word for next time
stq_u t0, -8(a0) # e0 : save the current word
mov t3, t1 # .. e1 :
subq a2, 1, a2 # e0 :
cmpbge zero, t2, t8 # .. e1 : test new word for eos
beq a2, $u_eoc # e1 :
beq t8, $u_loop # e1 :
/* We've found a zero somewhere in the source word we just read.
If it resides in the lower half, we have one (probably partial)
word to write out, and if it resides in the upper half, we
have one full and one partial word left to write out.
On entry to this basic block:
t1 == the shifted high-order bits from the previous source word
t2 == the unshifted current source word. */
$u_eos:
extqh t2, a1, t0 # e0 :
or t0, t1, t0 # e1 : first (partial) source word complete
cmpbge zero, t0, t8 # e0 : is the null in this first bit?
bne t8, $u_final # .. e1 (zdb)
stq_u t0, 0(a0) # e0 : the null was in the high-order bits
addq a0, 8, a0 # .. e1 :
subq a2, 1, a2 # e1 :
$u_late_head_exit:
extql t2, a1, t0 # .. e0 :
cmpbge zero, t0, t8 # e0 :
or t8, t10, t6 # e1 :
cmoveq a2, t6, t8 # e0 :
nop # .. e1 :
/* Take care of a final (probably partial) result word.
On entry to this basic block:
t0 == assembled source word
t8 == cmpbge mask that found the null. */
$u_final:
negq t8, t6 # e0 : isolate low bit set
and t6, t8, t12 # e1 :
and t12, 0x80, t6 # e0 : avoid dest word load if we can
bne t6, 1f # .. e1 (zdb)
ldq_u t1, 0(a0) # e0 :
subq t12, 1, t6 # .. e1 :
or t6, t12, t8 # e0 :
zapnot t0, t8, t0 # .. e1 : kill source bytes > null
zap t1, t8, t1 # e0 : kill dest bytes <= null
or t0, t1, t0 # e1 :
1: stq_u t0, 0(a0) # e0 :
br $finish_up
$u_eoc: # end-of-count
extqh t2, a1, t0
or t0, t1, t0
cmpbge zero, t0, t8
$u_eocfin: # end-of-count, final word
or t10, t8, t8
br $u_final
/* Unaligned copy entry point. */
.align 3
$unaligned:
EX( ldq_u t1, 0(a1) ) # e0 : load first source word
and a0, 7, t4 # .. e1 : find dest misalignment
and a1, 7, t5 # e0 : find src misalignment
/* Conditionally load the first destination word and a bytemask
with 0xff indicating that the destination byte is sacrosanct. */
mov zero, t0 # .. e1 :
mov zero, t6 # e0 :
beq t4, 1f # .. e1 :
ldq_u t0, 0(a0) # e0 :
lda t6, -1 # .. e1 :
mskql t6, a0, t6 # e0 :
1:
subq a1, t4, a1 # .. e1 : sub dest misalignment from src addr
/* If source misalignment is larger than dest misalignment, we need
extra startup checks to avoid SEGV. */
cmplt t4, t5, t12 # e1 :
extql t1, a1, t1 # .. e0 : shift src into place
lda t2, -1 # e0 : for creating masks later
beq t12, $u_head # e1 :
mskqh t2, t5, t2 # e0 : begin src byte validity mask
cmpbge zero, t1, t8 # .. e1 : is there a zero?
extql t2, a1, t2 # e0 :
or t8, t10, t5 # .. e1 : test for end-of-count too
cmpbge zero, t2, t3 # e0 :
cmoveq a2, t5, t8 # .. e1 :
andnot t8, t3, t8 # e0 :
beq t8, $u_head # .. e1 (zdb)
/* At this point we've found a zero in the first partial word of
the source. We need to isolate the valid source data and mask
it into the original destination data. (Incidentally, we know
that we'll need at least one byte of that original dest word.) */
ldq_u t0, 0(a0) # e0 :
negq t8, t6 # .. e1 : build bitmask of bytes <= zero
mskqh t1, t4, t1 # e0 :
and t6, t8, t12 # .. e1 :
subq t12, 1, t6 # e0 :
or t6, t12, t8 # e1 :
zapnot t2, t8, t2 # e0 : prepare source word; mirror changes
zapnot t1, t8, t1 # .. e1 : to source validity mask
andnot t0, t2, t0 # e0 : zero place for source to reside
or t0, t1, t0 # e1 : and put it there
stq_u t0, 0(a0) # e0 :
$finish_up:
zapnot t0, t12, t4 # was last byte written null?
cmovne t4, 1, t4
and t12, 0xf0, t3 # binary search for the address of the
and t12, 0xcc, t2 # last byte written
and t12, 0xaa, t1
bic a0, 7, t0
cmovne t3, 4, t3
cmovne t2, 2, t2
cmovne t1, 1, t1
addq t0, t3, t0
addq t1, t2, t1
addq t0, t1, t0
addq t0, t4, t0 # add one if we filled the buffer
subq t0, v0, v0 # find string length
ret
$zerolength:
clr v0
$exception:
ret
.end __strncpy_from_user

28
arch/alpha/mm/fault.c
View File

@ -89,6 +89,8 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
const struct exception_table_entry *fixup;
int fault, si_code = SEGV_MAPERR;
siginfo_t info;
unsigned int flags = (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
(cause > 0 ? FAULT_FLAG_WRITE : 0));
/* As of EV6, a load into $31/$f31 is a prefetch, and never faults
(or is suppressed by the PALcode). Support that for older CPUs
@ -114,6 +116,7 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
goto vmalloc_fault;
#endif
retry:
down_read(&mm->mmap_sem);
vma = find_vma(mm, address);
if (!vma)
@ -144,8 +147,11 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
/* If for any reason at all we couldn't handle the fault,
make sure we exit gracefully rather than endlessly redo
the fault. */
fault = handle_mm_fault(mm, vma, address, cause > 0 ? FAULT_FLAG_WRITE : 0);
up_read(&mm->mmap_sem);
fault = handle_mm_fault(mm, vma, address, flags);
if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
return;
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
@ -153,10 +159,26 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
goto do_sigbus;
BUG();
}
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR)
current->maj_flt++;
else
current->min_flt++;
if (fault & VM_FAULT_RETRY) {
flags &= ~FAULT_FLAG_ALLOW_RETRY;
/* No need to up_read(&mm->mmap_sem) as we would
* have already released it in __lock_page_or_retry
* in mm/filemap.c.
*/
goto retry;
}
}
up_read(&mm->mmap_sem);
return;
/* Something tried to access memory that isn't in our memory map.
@ -186,12 +208,14 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
/* We ran out of memory, or some other thing happened to us that
made us unable to handle the page fault gracefully. */
out_of_memory:
up_read(&mm->mmap_sem);
if (!user_mode(regs))
goto no_context;
pagefault_out_of_memory();
return;
do_sigbus:
up_read(&mm->mmap_sem);
/* Send a sigbus, regardless of whether we were in kernel
or user mode. */
info.si_signo = SIGBUS;

1
arch/alpha/oprofile/common.c
View File

@ -12,6 +12,7 @@
#include <linux/smp.h>
#include <linux/errno.h>
#include <asm/ptrace.h>
#include <asm/special_insns.h>
#include "op_impl.h"

6
arch/arm/Kconfig
View File

@ -38,7 +38,6 @@ config ARM
select HARDIRQS_SW_RESEND
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select GENERIC_IRQ_PROBE
select ARCH_WANT_IPC_PARSE_VERSION
select HARDIRQS_SW_RESEND
select CPU_PM if (SUSPEND || CPU_IDLE)
@ -126,11 +125,6 @@ config TRACE_IRQFLAGS_SUPPORT
bool
default y
config GENERIC_LOCKBREAK
bool
default y
depends on SMP && PREEMPT
config RWSEM_GENERIC_SPINLOCK
bool
default y

52
arch/arm/boot/dts/imx23.dtsi
View File

@ -51,11 +51,11 @@
dma-apbh@80004000 {
compatible = "fsl,imx23-dma-apbh";
reg = <0x80004000 2000>;
reg = <0x80004000 0x2000>;
};
ecc@80008000 {
reg = <0x80008000 2000>;
reg = <0x80008000 0x2000>;
status = "disabled";
};
@ -63,7 +63,7 @@
compatible = "fsl,imx23-gpmi-nand";
#address-cells = <1>;
#size-cells = <1>;
reg = <0x8000c000 2000>, <0x8000a000 2000>;
reg = <0x8000c000 0x2000>, <0x8000a000 0x2000>;
reg-names = "gpmi-nand", "bch";
interrupts = <13>, <56>;
interrupt-names = "gpmi-dma", "bch";
@ -72,14 +72,14 @@
};
ssp0: ssp@80010000 {
reg = <0x80010000 2000>;
reg = <0x80010000 0x2000>;
interrupts = <15 14>;
fsl,ssp-dma-channel = <1>;
status = "disabled";
};
etm@80014000 {
reg = <0x80014000 2000>;
reg = <0x80014000 0x2000>;
status = "disabled";
};
@ -87,7 +87,7 @@
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx23-pinctrl", "simple-bus";
reg = <0x80018000 2000>;
reg = <0x80018000 0x2000>;
gpio0: gpio@0 {
compatible = "fsl,imx23-gpio", "fsl,mxs-gpio";
@ -273,32 +273,32 @@
};
emi@80020000 {
reg = <0x80020000 2000>;
reg = <0x80020000 0x2000>;
status = "disabled";
};
dma-apbx@80024000 {
compatible = "fsl,imx23-dma-apbx";
reg = <0x80024000 2000>;
reg = <0x80024000 0x2000>;
};
dcp@80028000 {
reg = <0x80028000 2000>;
reg = <0x80028000 0x2000>;
status = "disabled";
};
pxp@8002a000 {
reg = <0x8002a000 2000>;
reg = <0x8002a000 0x2000>;
status = "disabled";
};
ocotp@8002c000 {
reg = <0x8002c000 2000>;
reg = <0x8002c000 0x2000>;
status = "disabled";
};
axi-ahb@8002e000 {
reg = <0x8002e000 2000>;
reg = <0x8002e000 0x2000>;
status = "disabled";
};
@ -310,14 +310,14 @@
};
ssp1: ssp@80034000 {
reg = <0x80034000 2000>;
reg = <0x80034000 0x2000>;
interrupts = <2 20>;
fsl,ssp-dma-channel = <2>;
status = "disabled";
};
tvenc@80038000 {
reg = <0x80038000 2000>;
reg = <0x80038000 0x2000>;
status = "disabled";
};
};
@ -330,37 +330,37 @@
ranges;
clkctl@80040000 {
reg = <0x80040000 2000>;
reg = <0x80040000 0x2000>;
status = "disabled";
};
saif0: saif@80042000 {
reg = <0x80042000 2000>;
reg = <0x80042000 0x2000>;
status = "disabled";
};
power@80044000 {
reg = <0x80044000 2000>;
reg = <0x80044000 0x2000>;
status = "disabled";
};
saif1: saif@80046000 {
reg = <0x80046000 2000>;
reg = <0x80046000 0x2000>;
status = "disabled";
};
audio-out@80048000 {
reg = <0x80048000 2000>;
reg = <0x80048000 0x2000>;
status = "disabled";
};
audio-in@8004c000 {
reg = <0x8004c000 2000>;
reg = <0x8004c000 0x2000>;
status = "disabled";
};
lradc@80050000 {
reg = <0x80050000 2000>;
reg = <0x80050000 0x2000>;
status = "disabled";
};
@ -370,26 +370,26 @@
};
i2c@80058000 {
reg = <0x80058000 2000>;
reg = <0x80058000 0x2000>;
status = "disabled";
};
rtc@8005c000 {
compatible = "fsl,imx23-rtc", "fsl,stmp3xxx-rtc";
reg = <0x8005c000 2000>;
reg = <0x8005c000 0x2000>;
interrupts = <22>;
};
pwm: pwm@80064000 {
compatible = "fsl,imx23-pwm";
reg = <0x80064000 2000>;
reg = <0x80064000 0x2000>;
#pwm-cells = <2>;
fsl,pwm-number = <5>;
status = "disabled";
};
timrot@80068000 {
reg = <0x80068000 2000>;
reg = <0x80068000 0x2000>;
status = "disabled";
};
@ -429,7 +429,7 @@
ranges;
usbctrl@80080000 {
reg = <0x80080000 0x10000>;
reg = <0x80080000 0x40000>;
status = "disabled";
};
};

2
arch/arm/boot/dts/imx27-3ds.dts
View File

@ -27,7 +27,7 @@
status = "okay";
};
uart@1000a000 {
uart1: serial@1000a000 {
fsl,uart-has-rtscts;
status = "okay";
};

6
arch/arm/boot/dts/imx27.dtsi
View File

@ -19,6 +19,12 @@
serial3 = &uart4;
serial4 = &uart5;
serial5 = &uart6;
gpio0 = &gpio1;
gpio1 = &gpio2;
gpio2 = &gpio3;
gpio3 = &gpio4;
gpio4 = &gpio5;
gpio5 = &gpio6;
};
avic: avic-interrupt-controller@e0000000 {

74
arch/arm/boot/dts/imx28.dtsi
View File

@ -57,18 +57,18 @@
};
hsadc@80002000 {
reg = <0x80002000 2000>;
reg = <0x80002000 0x2000>;
interrupts = <13 87>;
status = "disabled";
};
dma-apbh@80004000 {
compatible = "fsl,imx28-dma-apbh";
reg = <0x80004000 2000>;
reg = <0x80004000 0x2000>;
};
perfmon@80006000 {
reg = <0x80006000 800>;
reg = <0x80006000 0x800>;
interrupts = <27>;
status = "disabled";
};
@ -77,7 +77,7 @@
compatible = "fsl,imx28-gpmi-nand";
#address-cells = <1>;
#size-cells = <1>;
reg = <0x8000c000 2000>, <0x8000a000 2000>;
reg = <0x8000c000 0x2000>, <0x8000a000 0x2000>;
reg-names = "gpmi-nand", "bch";
interrupts = <88>, <41>;
interrupt-names = "gpmi-dma", "bch";
@ -86,28 +86,28 @@
};
ssp0: ssp@80010000 {
reg = <0x80010000 2000>;
reg = <0x80010000 0x2000>;
interrupts = <96 82>;
fsl,ssp-dma-channel = <0>;
status = "disabled";
};
ssp1: ssp@80012000 {
reg = <0x80012000 2000>;
reg = <0x80012000 0x2000>;
interrupts = <97 83>;
fsl,ssp-dma-channel = <1>;
status = "disabled";
};
ssp2: ssp@80014000 {
reg = <0x80014000 2000>;
reg = <0x80014000 0x2000>;
interrupts = <98 84>;
fsl,ssp-dma-channel = <2>;
status = "disabled";
};
ssp3: ssp@80016000 {
reg = <0x80016000 2000>;
reg = <0x80016000 0x2000>;
interrupts = <99 85>;
fsl,ssp-dma-channel = <3>;
status = "disabled";
@ -117,7 +117,7 @@
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx28-pinctrl", "simple-bus";
reg = <0x80018000 2000>;
reg = <0x80018000 0x2000>;
gpio0: gpio@0 {
compatible = "fsl,imx28-gpio", "fsl,mxs-gpio";
@ -510,96 +510,96 @@
};
digctl@8001c000 {
reg = <0x8001c000 2000>;
reg = <0x8001c000 0x2000>;
interrupts = <89>;
status = "disabled";
};
etm@80022000 {
reg = <0x80022000 2000>;
reg = <0x80022000 0x2000>;
status = "disabled";
};
dma-apbx@80024000 {
compatible = "fsl,imx28-dma-apbx";
reg = <0x80024000 2000>;
reg = <0x80024000 0x2000>;
};
dcp@80028000 {
reg = <0x80028000 2000>;
reg = <0x80028000 0x2000>;
interrupts = <52 53 54>;
status = "disabled";
};
pxp@8002a000 {
reg = <0x8002a000 2000>;
reg = <0x8002a000 0x2000>;
interrupts = <39>;
status = "disabled";
};
ocotp@8002c000 {
reg = <0x8002c000 2000>;
reg = <0x8002c000 0x2000>;
status = "disabled";
};
axi-ahb@8002e000 {
reg = <0x8002e000 2000>;
reg = <0x8002e000 0x2000>;
status = "disabled";
};
lcdif@80030000 {
compatible = "fsl,imx28-lcdif";
reg = <0x80030000 2000>;
reg = <0x80030000 0x2000>;
interrupts = <38 86>;
status = "disabled";
};
can0: can@80032000 {
compatible = "fsl,imx28-flexcan", "fsl,p1010-flexcan";
reg = <0x80032000 2000>;
reg = <0x80032000 0x2000>;
interrupts = <8>;
status = "disabled";
};
can1: can@80034000 {
compatible = "fsl,imx28-flexcan", "fsl,p1010-flexcan";
reg = <0x80034000 2000>;
reg = <0x80034000 0x2000>;
interrupts = <9>;
status = "disabled";
};
simdbg@8003c000 {
reg = <0x8003c000 200>;
reg = <0x8003c000 0x200>;
status = "disabled";
};
simgpmisel@8003c200 {
reg = <0x8003c200 100>;
reg = <0x8003c200 0x100>;
status = "disabled";
};
simsspsel@8003c300 {
reg = <0x8003c300 100>;
reg = <0x8003c300 0x100>;
status = "disabled";
};
simmemsel@8003c400 {
reg = <0x8003c400 100>;
reg = <0x8003c400 0x100>;
status = "disabled";
};
gpiomon@8003c500 {
reg = <0x8003c500 100>;
reg = <0x8003c500 0x100>;
status = "disabled";
};
simenet@8003c700 {
reg = <0x8003c700 100>;
reg = <0x8003c700 0x100>;
status = "disabled";
};
armjtag@8003c800 {
reg = <0x8003c800 100>;
reg = <0x8003c800 0x100>;
status = "disabled";
};
};
@ -612,45 +612,45 @@
ranges;
clkctl@80040000 {
reg = <0x80040000 2000>;
reg = <0x80040000 0x2000>;
status = "disabled";
};
saif0: saif@80042000 {
compatible = "fsl,imx28-saif";
reg = <0x80042000 2000>;
reg = <0x80042000 0x2000>;
interrupts = <59 80>;
fsl,saif-dma-channel = <4>;
status = "disabled";
};
power@80044000 {
reg = <0x80044000 2000>;
reg = <0x80044000 0x2000>;
status = "disabled";
};
saif1: saif@80046000 {
compatible = "fsl,imx28-saif";
reg = <0x80046000 2000>;
reg = <0x80046000 0x2000>;
interrupts = <58 81>;
fsl,saif-dma-channel = <5>;
status = "disabled";
};
lradc@80050000 {
reg = <0x80050000 2000>;
reg = <0x80050000 0x2000>;
status = "disabled";
};
spdif@80054000 {
reg = <0x80054000 2000>;
reg = <0x80054000 0x2000>;
interrupts = <45 66>;
status = "disabled";
};
rtc@80056000 {
compatible = "fsl,imx28-rtc", "fsl,stmp3xxx-rtc";
reg = <0x80056000 2000>;
reg = <0x80056000 0x2000>;
interrupts = <29>;
};
@ -658,7 +658,7 @@
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx28-i2c";
reg = <0x80058000 2000>;
reg = <0x80058000 0x2000>;
interrupts = <111 68>;
clock-frequency = <100000>;
status = "disabled";
@ -668,7 +668,7 @@
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx28-i2c";
reg = <0x8005a000 2000>;
reg = <0x8005a000 0x2000>;
interrupts = <110 69>;
clock-frequency = <100000>;
status = "disabled";
@ -676,14 +676,14 @@
pwm: pwm@80064000 {
compatible = "fsl,imx28-pwm", "fsl,imx23-pwm";
reg = <0x80064000 2000>;
reg = <0x80064000 0x2000>;
#pwm-cells = <2>;
fsl,pwm-number = <8>;
status = "disabled";
};
timrot@80068000 {
reg = <0x80068000 2000>;
reg = <0x80068000 0x2000>;
status = "disabled";
};

2
arch/arm/boot/dts/imx51-babbage.dts
View File

@ -53,7 +53,7 @@
spi-max-frequency = <6000000>;
reg = <0>;
interrupt-parent = <&gpio1>;
interrupts = <8>;
interrupts = <8 0x4>;
regulators {
sw1_reg: sw1 {

4
arch/arm/boot/dts/imx51.dtsi
View File

@ -17,6 +17,10 @@
serial0 = &uart1;
serial1 = &uart2;
serial2 = &uart3;
gpio0 = &gpio1;
gpio1 = &gpio2;
gpio2 = &gpio3;
gpio3 = &gpio4;
};
tzic: tz-interrupt-controller@e0000000 {

22
arch/arm/boot/dts/imx53-ard.dts
View File

@ -64,12 +64,32 @@
reg = <0xf4000000 0x2000000>;
phy-mode = "mii";
interrupt-parent = <&gpio2>;
interrupts = <31>;
interrupts = <31 0x8>;
reg-io-width = <4>;
/*
* VDD33A and VDDVARIO of LAN9220 are supplied by
* SW4_3V3 of LTC3589. Before the regulator driver
* for this PMIC is available, we use a fixed dummy
* 3V3 regulator to get LAN9220 driver probing work.
*/
vdd33a-supply = <&reg_3p3v>;
vddvario-supply = <&reg_3p3v>;
smsc,irq-push-pull;
};
};
regulators {
compatible = "simple-bus";
reg_3p3v: 3p3v {
compatible = "regulator-fixed";
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
gpio-keys {
compatible = "gpio-keys";

7
arch/arm/boot/dts/imx53.dtsi
View File

@ -19,6 +19,13 @@
serial2 = &uart3;
serial3 = &uart4;
serial4 = &uart5;
gpio0 = &gpio1;
gpio1 = &gpio2;
gpio2 = &gpio3;
gpio3 = &gpio4;
gpio4 = &gpio5;
gpio5 = &gpio6;
gpio6 = &gpio7;
};
tzic: tz-interrupt-controller@0fffc000 {

1
arch/arm/boot/dts/imx6q-sabrelite.dts
View File

@ -53,6 +53,7 @@
fsl,pins = <
144 0x80000000 /* MX6Q_PAD_EIM_D22__GPIO_3_22 */
121 0x80000000 /* MX6Q_PAD_EIM_D19__GPIO_3_19 */
953 0x80000000 /* MX6Q_PAD_GPIO_0__CCM_CLKO */
>;
};
};

7
arch/arm/boot/dts/imx6q.dtsi
View File

@ -19,6 +19,13 @@
serial2 = &uart3;
serial3 = &uart4;
serial4 = &uart5;
gpio0 = &gpio1;
gpio1 = &gpio2;
gpio2 = &gpio3;
gpio3 = &gpio4;
gpio4 = &gpio5;
gpio5 = &gpio6;
gpio6 = &gpio7;
};
cpus {

1
arch/arm/configs/imx_v6_v7_defconfig
View File

@ -192,6 +192,7 @@ CONFIG_RTC_DRV_MC13XXX=y
CONFIG_RTC_DRV_MXC=y
CONFIG_DMADEVICES=y
CONFIG_IMX_SDMA=y
CONFIG_MXS_DMA=y
CONFIG_COMMON_CLK_DEBUG=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT2_FS=y

1
arch/arm/configs/mxs_defconfig
View File

@ -34,7 +34,6 @@ CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_PREEMPT_VOLUNTARY=y
CONFIG_AEABI=y
CONFIG_DEFAULT_MMAP_MIN_ADDR=65536
CONFIG_AUTO_ZRELADDR=y
CONFIG_FPE_NWFPE=y
CONFIG_NET=y

2
arch/arm/configs/tct_hammer_defconfig
View File

@ -7,7 +7,7 @@ CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
# CONFIG_KALLSYMS is not set
# CONFIG_BUG is not set
# CONFIG_BUGVERBOSE is not set
# CONFIG_ELF_CORE is not set
# CONFIG_SHMEM is not set
CONFIG_SLOB=y

46
arch/arm/include/asm/pgtable.h
View File

@ -195,25 +195,6 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
#define pte_clear(mm,addr,ptep) set_pte_ext(ptep, __pte(0), 0)
#if __LINUX_ARM_ARCH__ < 6
static inline void __sync_icache_dcache(pte_t pteval)
{
}
#else
extern void __sync_icache_dcache(pte_t pteval);
#endif
static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval)
{
if (addr >= TASK_SIZE)
set_pte_ext(ptep, pteval, 0);
else {
__sync_icache_dcache(pteval);
set_pte_ext(ptep, pteval, PTE_EXT_NG);
}
}
#define pte_none(pte) (!pte_val(pte))
#define pte_present(pte) (pte_val(pte) & L_PTE_PRESENT)
#define pte_write(pte) (!(pte_val(pte) & L_PTE_RDONLY))
@ -226,6 +207,27 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
((pte_val(pte) & (L_PTE_PRESENT | L_PTE_USER)) == \
(L_PTE_PRESENT | L_PTE_USER))
#if __LINUX_ARM_ARCH__ < 6
static inline void __sync_icache_dcache(pte_t pteval)
{
}
#else
extern void __sync_icache_dcache(pte_t pteval);
#endif
static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval)
{
unsigned long ext = 0;
if (addr < TASK_SIZE && pte_present_user(pteval)) {
__sync_icache_dcache(pteval);
ext |= PTE_EXT_NG;
}
set_pte_ext(ptep, pteval, ext);
}
#define PTE_BIT_FUNC(fn,op) \
static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; }
@ -251,13 +253,13 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
*
* 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
* <--------------- offset --------------------> <- type --> 0 0 0
* <--------------- offset ----------------------> < type -> 0 0 0
*
* This gives us up to 63 swap files and 32GB per swap file. Note that
* This gives us up to 31 swap files and 64GB per swap file. Note that
* the offset field is always non-zero.
*/
#define __SWP_TYPE_SHIFT 3
#define __SWP_TYPE_BITS 6
#define __SWP_TYPE_BITS 5
#define __SWP_TYPE_MASK ((1 << __SWP_TYPE_BITS) - 1)
#define __SWP_OFFSET_SHIFT (__SWP_TYPE_BITS + __SWP_TYPE_SHIFT)

2
arch/arm/include/asm/sched_clock.h
View File

@ -10,5 +10,7 @@
extern void sched_clock_postinit(void);
extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
extern void setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
unsigned long rate);
#endif

24
arch/arm/kernel/sched_clock.c
View File

@ -21,6 +21,8 @@ struct clock_data {
u32 epoch_cyc_copy;
u32 mult;
u32 shift;
bool suspended;
bool needs_suspend;
};
static void sched_clock_poll(unsigned long wrap_ticks);
@ -49,6 +51,9 @@ static unsigned long long cyc_to_sched_clock(u32 cyc, u32 mask)
u64 epoch_ns;
u32 epoch_cyc;
if (cd.suspended)
return cd.epoch_ns;
/*
* Load the epoch_cyc and epoch_ns atomically. We do this by
* ensuring that we always write epoch_cyc, epoch_ns and
@ -98,6 +103,13 @@ static void sched_clock_poll(unsigned long wrap_ticks)
update_sched_clock();
}
void __init setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
unsigned long rate)
{
setup_sched_clock(read, bits, rate);
cd.needs_suspend = true;
}
void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
{
unsigned long r, w;
@ -169,11 +181,23 @@ void __init sched_clock_postinit(void)
static int sched_clock_suspend(void)
{
sched_clock_poll(sched_clock_timer.data);
if (cd.needs_suspend)
cd.suspended = true;
return 0;
}
static void sched_clock_resume(void)
{
if (cd.needs_suspend) {
cd.epoch_cyc = read_sched_clock();
cd.epoch_cyc_copy = cd.epoch_cyc;
cd.suspended = false;
}
}
static struct syscore_ops sched_clock_ops = {
.suspend = sched_clock_suspend,
.resume = sched_clock_resume,
};
static int __init sched_clock_syscore_init(void)

2
arch/arm/kernel/topology.c
View File

@ -321,7 +321,7 @@ void store_cpu_topology(unsigned int cpuid)
* init_cpu_topology is called at boot when only one cpu is running
* which prevent simultaneous write access to cpu_topology array
*/
void init_cpu_topology(void)
void __init init_cpu_topology(void)
{
unsigned int cpu;

21
arch/arm/lib/Makefile
View File

@ -16,13 +16,30 @@ lib-y := backtrace.o changebit.o csumipv6.o csumpartial.o \
call_with_stack.o
mmu-y := clear_user.o copy_page.o getuser.o putuser.o
mmu-y += copy_from_user.o copy_to_user.o
# the code in uaccess.S is not preemption safe and
# probably faster on ARMv3 only
ifeq ($(CONFIG_PREEMPT),y)
mmu-y += copy_from_user.o copy_to_user.o
else
ifneq ($(CONFIG_CPU_32v3),y)
mmu-y += copy_from_user.o copy_to_user.o
else
mmu-y += uaccess.o
endif
endif
# using lib_ here won't override already available weak symbols
obj-$(CONFIG_UACCESS_WITH_MEMCPY) += uaccess_with_memcpy.o
lib-$(CONFIG_MMU) += $(mmu-y)
lib-y += io-readsw-armv4.o io-writesw-armv4.o
ifeq ($(CONFIG_CPU_32v3),y)
lib-y += io-readsw-armv3.o io-writesw-armv3.o
else
lib-y += io-readsw-armv4.o io-writesw-armv4.o
endif
lib-$(CONFIG_ARCH_RPC) += ecard.o io-acorn.o floppydma.o
lib-$(CONFIG_ARCH_SHARK) += io-shark.o

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/*
* linux/arch/arm/lib/io-readsw-armv3.S
*
* Copyright (C) 1995-2000 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
.Linsw_bad_alignment:
adr r0, .Linsw_bad_align_msg
mov r2, lr
b panic
.Linsw_bad_align_msg:
.asciz "insw: bad buffer alignment (0x%p, lr=0x%08lX)\n"
.align
.Linsw_align: tst r1, #1
bne .Linsw_bad_alignment
ldr r3, [r0]
strb r3, [r1], #1
mov r3, r3, lsr #8
strb r3, [r1], #1
subs r2, r2, #1
moveq pc, lr
ENTRY(__raw_readsw)
teq r2, #0 @ do we have to check for the zero len?
moveq pc, lr
tst r1, #3
bne .Linsw_align
.Linsw_aligned: mov ip, #0xff
orr ip, ip, ip, lsl #8
stmfd sp!, {r4, r5, r6, lr}
subs r2, r2, #8
bmi .Lno_insw_8
.Linsw_8_lp: ldr r3, [r0]
and r3, r3, ip
ldr r4, [r0]
orr r3, r3, r4, lsl #16
ldr r4, [r0]
and r4, r4, ip
ldr r5, [r0]
orr r4, r4, r5, lsl #16
ldr r5, [r0]
and r5, r5, ip
ldr r6, [r0]
orr r5, r5, r6, lsl #16
ldr r6, [r0]
and r6, r6, ip
ldr lr, [r0]
orr r6, r6, lr, lsl #16
stmia r1!, {r3 - r6}
subs r2, r2, #8
bpl .Linsw_8_lp
tst r2, #7
ldmeqfd sp!, {r4, r5, r6, pc}
.Lno_insw_8: tst r2, #4
beq .Lno_insw_4
ldr r3, [r0]
and r3, r3, ip
ldr r4, [r0]
orr r3, r3, r4, lsl #16
ldr r4, [r0]
and r4, r4, ip
ldr r5, [r0]
orr r4, r4, r5, lsl #16
stmia r1!, {r3, r4}
.Lno_insw_4: tst r2, #2
beq .Lno_insw_2
ldr r3, [r0]
and r3, r3, ip
ldr r4, [r0]
orr r3, r3, r4, lsl #16
str r3, [r1], #4
.Lno_insw_2: tst r2, #1
ldrne r3, [r0]
strneb r3, [r1], #1
movne r3, r3, lsr #8
strneb r3, [r1]
ldmfd sp!, {r4, r5, r6, pc}

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/*
* linux/arch/arm/lib/io-writesw-armv3.S
*
* Copyright (C) 1995-2000 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
.Loutsw_bad_alignment:
adr r0, .Loutsw_bad_align_msg
mov r2, lr
b panic
.Loutsw_bad_align_msg:
.asciz "outsw: bad buffer alignment (0x%p, lr=0x%08lX)\n"
.align
.Loutsw_align: tst r1, #1
bne .Loutsw_bad_alignment
add r1, r1, #2
ldr r3, [r1, #-4]
mov r3, r3, lsr #16
orr r3, r3, r3, lsl #16
str r3, [r0]
subs r2, r2, #1
moveq pc, lr
ENTRY(__raw_writesw)
teq r2, #0 @ do we have to check for the zero len?
moveq pc, lr
tst r1, #3
bne .Loutsw_align
stmfd sp!, {r4, r5, r6, lr}
subs r2, r2, #8
bmi .Lno_outsw_8
.Loutsw_8_lp: ldmia r1!, {r3, r4, r5, r6}
mov ip, r3, lsl #16
orr ip, ip, ip, lsr #16
str ip, [r0]
mov ip, r3, lsr #16
orr ip, ip, ip, lsl #16
str ip, [r0]
mov ip, r4, lsl #16
orr ip, ip, ip, lsr #16
str ip, [r0]
mov ip, r4, lsr #16
orr ip, ip, ip, lsl #16
str ip, [r0]
mov ip, r5, lsl #16
orr ip, ip, ip, lsr #16
str ip, [r0]
mov ip, r5, lsr #16
orr ip, ip, ip, lsl #16
str ip, [r0]
mov ip, r6, lsl #16
orr ip, ip, ip, lsr #16
str ip, [r0]
mov ip, r6, lsr #16
orr ip, ip, ip, lsl #16
str ip, [r0]
subs r2, r2, #8
bpl .Loutsw_8_lp
tst r2, #7
ldmeqfd sp!, {r4, r5, r6, pc}
.Lno_outsw_8: tst r2, #4
beq .Lno_outsw_4
ldmia r1!, {r3, r4}
mov ip, r3, lsl #16
orr ip, ip, ip, lsr #16
str ip, [r0]
mov ip, r3, lsr #16
orr ip, ip, ip, lsl #16
str ip, [r0]
mov ip, r4, lsl #16
orr ip, ip, ip, lsr #16
str ip, [r0]
mov ip, r4, lsr #16
orr ip, ip, ip, lsl #16
str ip, [r0]
.Lno_outsw_4: tst r2, #2
beq .Lno_outsw_2
ldr r3, [r1], #4
mov ip, r3, lsl #16
orr ip, ip, ip, lsr #16
str ip, [r0]
mov ip, r3, lsr #16
orr ip, ip, ip, lsl #16
str ip, [r0]
.Lno_outsw_2: tst r2, #1
ldrne r3, [r1]
movne ip, r3, lsl #16
orrne ip, ip, ip, lsr #16
strne ip, [r0]
ldmfd sp!, {r4, r5, r6, pc}

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/*
* linux/arch/arm/lib/uaccess.S
*
* Copyright (C) 1995, 1996,1997,1998 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Routines to block copy data to/from user memory
* These are highly optimised both for the 4k page size
* and for various alignments.
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/errno.h>
#include <asm/domain.h>
.text
#define PAGE_SHIFT 12
/* Prototype: int __copy_to_user(void *to, const char *from, size_t n)
* Purpose : copy a block to user memory from kernel memory
* Params : to - user memory
* : from - kernel memory
* : n - number of bytes to copy
* Returns : Number of bytes NOT copied.
*/
.Lc2u_dest_not_aligned:
rsb ip, ip, #4
cmp ip, #2
ldrb r3, [r1], #1
USER( TUSER( strb) r3, [r0], #1) @ May fault
ldrgeb r3, [r1], #1
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
ldrgtb r3, [r1], #1
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
sub r2, r2, ip
b .Lc2u_dest_aligned
ENTRY(__copy_to_user)
stmfd sp!, {r2, r4 - r7, lr}
cmp r2, #4
blt .Lc2u_not_enough
ands ip, r0, #3
bne .Lc2u_dest_not_aligned
.Lc2u_dest_aligned:
ands ip, r1, #3
bne .Lc2u_src_not_aligned
/*
* Seeing as there has to be at least 8 bytes to copy, we can
* copy one word, and force a user-mode page fault...
*/
.Lc2u_0fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lc2u_0nowords
ldr r3, [r1], #4
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
beq .Lc2u_0fupi
/*
* ip = max no. of bytes to copy before needing another "strt" insn
*/
cmp r2, ip
movlt ip, r2
sub r2, r2, ip
subs ip, ip, #32
blt .Lc2u_0rem8lp
.Lc2u_0cpy8lp: ldmia r1!, {r3 - r6}
stmia r0!, {r3 - r6} @ Shouldnt fault
ldmia r1!, {r3 - r6}
subs ip, ip, #32
stmia r0!, {r3 - r6} @ Shouldnt fault
bpl .Lc2u_0cpy8lp
.Lc2u_0rem8lp: cmn ip, #16
ldmgeia r1!, {r3 - r6}
stmgeia r0!, {r3 - r6} @ Shouldnt fault
tst ip, #8
ldmneia r1!, {r3 - r4}
stmneia r0!, {r3 - r4} @ Shouldnt fault
tst ip, #4
ldrne r3, [r1], #4
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_0fupi
.Lc2u_0nowords: teq ip, #0
beq .Lc2u_finished
.Lc2u_nowords: cmp ip, #2
ldrb r3, [r1], #1
USER( TUSER( strb) r3, [r0], #1) @ May fault
ldrgeb r3, [r1], #1
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
ldrgtb r3, [r1], #1
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
b .Lc2u_finished
.Lc2u_not_enough:
movs ip, r2
bne .Lc2u_nowords
.Lc2u_finished: mov r0, #0
ldmfd sp!, {r2, r4 - r7, pc}
.Lc2u_src_not_aligned:
bic r1, r1, #3
ldr r7, [r1], #4
cmp ip, #2
bgt .Lc2u_3fupi
beq .Lc2u_2fupi
.Lc2u_1fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lc2u_1nowords
mov r3, r7, pull #8
ldr r7, [r1], #4
orr r3, r3, r7, push #24
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
beq .Lc2u_1fupi
cmp r2, ip
movlt ip, r2
sub r2, r2, ip
subs ip, ip, #16
blt .Lc2u_1rem8lp
.Lc2u_1cpy8lp: mov r3, r7, pull #8
ldmia r1!, {r4 - r7}
subs ip, ip, #16
orr r3, r3, r4, push #24
mov r4, r4, pull #8
orr r4, r4, r5, push #24
mov r5, r5, pull #8
orr r5, r5, r6, push #24
mov r6, r6, pull #8
orr r6, r6, r7, push #24
stmia r0!, {r3 - r6} @ Shouldnt fault
bpl .Lc2u_1cpy8lp
.Lc2u_1rem8lp: tst ip, #8
movne r3, r7, pull #8
ldmneia r1!, {r4, r7}
orrne r3, r3, r4, push #24
movne r4, r4, pull #8
orrne r4, r4, r7, push #24
stmneia r0!, {r3 - r4} @ Shouldnt fault
tst ip, #4
movne r3, r7, pull #8
ldrne r7, [r1], #4
orrne r3, r3, r7, push #24
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_1fupi
.Lc2u_1nowords: mov r3, r7, get_byte_1
teq ip, #0
beq .Lc2u_finished
cmp ip, #2
USER( TUSER( strb) r3, [r0], #1) @ May fault
movge r3, r7, get_byte_2
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
movgt r3, r7, get_byte_3
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
b .Lc2u_finished
.Lc2u_2fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lc2u_2nowords
mov r3, r7, pull #16
ldr r7, [r1], #4
orr r3, r3, r7, push #16
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
beq .Lc2u_2fupi
cmp r2, ip
movlt ip, r2
sub r2, r2, ip
subs ip, ip, #16
blt .Lc2u_2rem8lp
.Lc2u_2cpy8lp: mov r3, r7, pull #16
ldmia r1!, {r4 - r7}
subs ip, ip, #16
orr r3, r3, r4, push #16
mov r4, r4, pull #16
orr r4, r4, r5, push #16
mov r5, r5, pull #16
orr r5, r5, r6, push #16
mov r6, r6, pull #16
orr r6, r6, r7, push #16
stmia r0!, {r3 - r6} @ Shouldnt fault
bpl .Lc2u_2cpy8lp
.Lc2u_2rem8lp: tst ip, #8
movne r3, r7, pull #16
ldmneia r1!, {r4, r7}
orrne r3, r3, r4, push #16
movne r4, r4, pull #16
orrne r4, r4, r7, push #16
stmneia r0!, {r3 - r4} @ Shouldnt fault
tst ip, #4
movne r3, r7, pull #16
ldrne r7, [r1], #4
orrne r3, r3, r7, push #16
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_2fupi
.Lc2u_2nowords: mov r3, r7, get_byte_2
teq ip, #0
beq .Lc2u_finished
cmp ip, #2
USER( TUSER( strb) r3, [r0], #1) @ May fault
movge r3, r7, get_byte_3
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
ldrgtb r3, [r1], #0
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
b .Lc2u_finished
.Lc2u_3fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lc2u_3nowords
mov r3, r7, pull #24
ldr r7, [r1], #4
orr r3, r3, r7, push #8
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
beq .Lc2u_3fupi
cmp r2, ip
movlt ip, r2
sub r2, r2, ip
subs ip, ip, #16
blt .Lc2u_3rem8lp
.Lc2u_3cpy8lp: mov r3, r7, pull #24
ldmia r1!, {r4 - r7}
subs ip, ip, #16
orr r3, r3, r4, push #8
mov r4, r4, pull #24
orr r4, r4, r5, push #8
mov r5, r5, pull #24
orr r5, r5, r6, push #8
mov r6, r6, pull #24
orr r6, r6, r7, push #8
stmia r0!, {r3 - r6} @ Shouldnt fault
bpl .Lc2u_3cpy8lp
.Lc2u_3rem8lp: tst ip, #8
movne r3, r7, pull #24
ldmneia r1!, {r4, r7}
orrne r3, r3, r4, push #8
movne r4, r4, pull #24
orrne r4, r4, r7, push #8
stmneia r0!, {r3 - r4} @ Shouldnt fault
tst ip, #4
movne r3, r7, pull #24
ldrne r7, [r1], #4
orrne r3, r3, r7, push #8
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_3fupi
.Lc2u_3nowords: mov r3, r7, get_byte_3
teq ip, #0
beq .Lc2u_finished
cmp ip, #2
USER( TUSER( strb) r3, [r0], #1) @ May fault
ldrgeb r3, [r1], #1
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
ldrgtb r3, [r1], #0
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
b .Lc2u_finished
ENDPROC(__copy_to_user)
.pushsection .fixup,"ax"
.align 0
9001: ldmfd sp!, {r0, r4 - r7, pc}
.popsection
/* Prototype: unsigned long __copy_from_user(void *to,const void *from,unsigned long n);
* Purpose : copy a block from user memory to kernel memory
* Params : to - kernel memory
* : from - user memory
* : n - number of bytes to copy
* Returns : Number of bytes NOT copied.
*/
.Lcfu_dest_not_aligned:
rsb ip, ip, #4
cmp ip, #2
USER( TUSER( ldrb) r3, [r1], #1) @ May fault
strb r3, [r0], #1
USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault
strgeb r3, [r0], #1
USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault
strgtb r3, [r0], #1
sub r2, r2, ip
b .Lcfu_dest_aligned
ENTRY(__copy_from_user)
stmfd sp!, {r0, r2, r4 - r7, lr}
cmp r2, #4
blt .Lcfu_not_enough
ands ip, r0, #3
bne .Lcfu_dest_not_aligned
.Lcfu_dest_aligned:
ands ip, r1, #3
bne .Lcfu_src_not_aligned
/*
* Seeing as there has to be at least 8 bytes to copy, we can
* copy one word, and force a user-mode page fault...
*/
.Lcfu_0fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lcfu_0nowords
USER( TUSER( ldr) r3, [r1], #4)
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
beq .Lcfu_0fupi
/*
* ip = max no. of bytes to copy before needing another "strt" insn
*/
cmp r2, ip
movlt ip, r2
sub r2, r2, ip
subs ip, ip, #32
blt .Lcfu_0rem8lp
.Lcfu_0cpy8lp: ldmia r1!, {r3 - r6} @ Shouldnt fault
stmia r0!, {r3 - r6}
ldmia r1!, {r3 - r6} @ Shouldnt fault
subs ip, ip, #32
stmia r0!, {r3 - r6}
bpl .Lcfu_0cpy8lp
.Lcfu_0rem8lp: cmn ip, #16
ldmgeia r1!, {r3 - r6} @ Shouldnt fault
stmgeia r0!, {r3 - r6}
tst ip, #8
ldmneia r1!, {r3 - r4} @ Shouldnt fault
stmneia r0!, {r3 - r4}
tst ip, #4
TUSER( ldrne) r3, [r1], #4 @ Shouldnt fault
strne r3, [r0], #4
ands ip, ip, #3
beq .Lcfu_0fupi
.Lcfu_0nowords: teq ip, #0
beq .Lcfu_finished
.Lcfu_nowords: cmp ip, #2
USER( TUSER( ldrb) r3, [r1], #1) @ May fault
strb r3, [r0], #1
USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault
strgeb r3, [r0], #1
USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault
strgtb r3, [r0], #1
b .Lcfu_finished
.Lcfu_not_enough:
movs ip, r2
bne .Lcfu_nowords
.Lcfu_finished: mov r0, #0
add sp, sp, #8
ldmfd sp!, {r4 - r7, pc}
.Lcfu_src_not_aligned:
bic r1, r1, #3
USER( TUSER( ldr) r7, [r1], #4) @ May fault
cmp ip, #2
bgt .Lcfu_3fupi
beq .Lcfu_2fupi
.Lcfu_1fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lcfu_1nowords
mov r3, r7, pull #8
USER( TUSER( ldr) r7, [r1], #4) @ May fault
orr r3, r3, r7, push #24
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
beq .Lcfu_1fupi
cmp r2, ip
movlt ip, r2
sub r2, r2, ip
subs ip, ip, #16
blt .Lcfu_1rem8lp
.Lcfu_1cpy8lp: mov r3, r7, pull #8
ldmia r1!, {r4 - r7} @ Shouldnt fault
subs ip, ip, #16
orr r3, r3, r4, push #24
mov r4, r4, pull #8
orr r4, r4, r5, push #24
mov r5, r5, pull #8
orr r5, r5, r6, push #24
mov r6, r6, pull #8
orr r6, r6, r7, push #24
stmia r0!, {r3 - r6}
bpl .Lcfu_1cpy8lp
.Lcfu_1rem8lp: tst ip, #8
movne r3, r7, pull #8
ldmneia r1!, {r4, r7} @ Shouldnt fault
orrne r3, r3, r4, push #24
movne r4, r4, pull #8
orrne r4, r4, r7, push #24
stmneia r0!, {r3 - r4}
tst ip, #4
movne r3, r7, pull #8
USER( TUSER( ldrne) r7, [r1], #4) @ May fault
orrne r3, r3, r7, push #24
strne r3, [r0], #4
ands ip, ip, #3
beq .Lcfu_1fupi
.Lcfu_1nowords: mov r3, r7, get_byte_1
teq ip, #0
beq .Lcfu_finished
cmp ip, #2
strb r3, [r0], #1
movge r3, r7, get_byte_2
strgeb r3, [r0], #1
movgt r3, r7, get_byte_3
strgtb r3, [r0], #1
b .Lcfu_finished
.Lcfu_2fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lcfu_2nowords
mov r3, r7, pull #16
USER( TUSER( ldr) r7, [r1], #4) @ May fault
orr r3, r3, r7, push #16
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
beq .Lcfu_2fupi
cmp r2, ip
movlt ip, r2
sub r2, r2, ip
subs ip, ip, #16
blt .Lcfu_2rem8lp
.Lcfu_2cpy8lp: mov r3, r7, pull #16
ldmia r1!, {r4 - r7} @ Shouldnt fault
subs ip, ip, #16
orr r3, r3, r4, push #16
mov r4, r4, pull #16
orr r4, r4, r5, push #16
mov r5, r5, pull #16
orr r5, r5, r6, push #16
mov r6, r6, pull #16
orr r6, r6, r7, push #16
stmia r0!, {r3 - r6}
bpl .Lcfu_2cpy8lp
.Lcfu_2rem8lp: tst ip, #8
movne r3, r7, pull #16
ldmneia r1!, {r4, r7} @ Shouldnt fault
orrne r3, r3, r4, push #16
movne r4, r4, pull #16
orrne r4, r4, r7, push #16
stmneia r0!, {r3 - r4}
tst ip, #4
movne r3, r7, pull #16
USER( TUSER( ldrne) r7, [r1], #4) @ May fault
orrne r3, r3, r7, push #16
strne r3, [r0], #4
ands ip, ip, #3
beq .Lcfu_2fupi
.Lcfu_2nowords: mov r3, r7, get_byte_2
teq ip, #0
beq .Lcfu_finished
cmp ip, #2
strb r3, [r0], #1
movge r3, r7, get_byte_3
strgeb r3, [r0], #1
USER( TUSER( ldrgtb) r3, [r1], #0) @ May fault
strgtb r3, [r0], #1
b .Lcfu_finished
.Lcfu_3fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lcfu_3nowords
mov r3, r7, pull #24
USER( TUSER( ldr) r7, [r1], #4) @ May fault
orr r3, r3, r7, push #8
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
beq .Lcfu_3fupi
cmp r2, ip
movlt ip, r2
sub r2, r2, ip
subs ip, ip, #16
blt .Lcfu_3rem8lp
.Lcfu_3cpy8lp: mov r3, r7, pull #24
ldmia r1!, {r4 - r7} @ Shouldnt fault
orr r3, r3, r4, push #8
mov r4, r4, pull #24
orr r4, r4, r5, push #8
mov r5, r5, pull #24
orr r5, r5, r6, push #8
mov r6, r6, pull #24
orr r6, r6, r7, push #8
stmia r0!, {r3 - r6}
subs ip, ip, #16
bpl .Lcfu_3cpy8lp
.Lcfu_3rem8lp: tst ip, #8
movne r3, r7, pull #24
ldmneia r1!, {r4, r7} @ Shouldnt fault
orrne r3, r3, r4, push #8
movne r4, r4, pull #24
orrne r4, r4, r7, push #8
stmneia r0!, {r3 - r4}
tst ip, #4
movne r3, r7, pull #24
USER( TUSER( ldrne) r7, [r1], #4) @ May fault
orrne r3, r3, r7, push #8
strne r3, [r0], #4
ands ip, ip, #3
beq .Lcfu_3fupi
.Lcfu_3nowords: mov r3, r7, get_byte_3
teq ip, #0
beq .Lcfu_finished
cmp ip, #2
strb r3, [r0], #1
USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault
strgeb r3, [r0], #1
USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault
strgtb r3, [r0], #1
b .Lcfu_finished
ENDPROC(__copy_from_user)
.pushsection .fixup,"ax"
.align 0
/*
* We took an exception. r0 contains a pointer to
* the byte not copied.
*/
9001: ldr r2, [sp], #4 @ void *to
sub r2, r0, r2 @ bytes copied
ldr r1, [sp], #4 @ unsigned long count
subs r4, r1, r2 @ bytes left to copy
movne r1, r4
blne __memzero
mov r0, r4
ldmfd sp!, {r4 - r7, pc}
.popsection

39
arch/arm/mach-davinci/board-neuros-osd2.c
View File

@ -162,38 +162,6 @@ static void __init davinci_ntosd2_map_io(void)
dm644x_init();
}
/*
I2C initialization
*/
static struct davinci_i2c_platform_data ntosd2_i2c_pdata = {
.bus_freq = 20 /* kHz */,
.bus_delay = 100 /* usec */,
};
static struct i2c_board_info __initdata ntosd2_i2c_info[] = {
};
static int ntosd2_init_i2c(void)
{
int status;
davinci_init_i2c(&ntosd2_i2c_pdata);
status = gpio_request(NTOSD2_MSP430_IRQ, ntosd2_i2c_info[0].type);
if (status == 0) {
status = gpio_direction_input(NTOSD2_MSP430_IRQ);
if (status == 0) {
status = gpio_to_irq(NTOSD2_MSP430_IRQ);
if (status > 0) {
ntosd2_i2c_info[0].irq = status;
i2c_register_board_info(1,
ntosd2_i2c_info,
ARRAY_SIZE(ntosd2_i2c_info));
}
}
}
return status;
}
static struct davinci_mmc_config davinci_ntosd2_mmc_config = {
.wires = 4,
.version = MMC_CTLR_VERSION_1
@ -218,7 +186,6 @@ static __init void davinci_ntosd2_init(void)
{
struct clk *aemif_clk;
struct davinci_soc_info *soc_info = &davinci_soc_info;
int status;
aemif_clk = clk_get(NULL, "aemif");
clk_enable(aemif_clk);
@ -242,12 +209,6 @@ static __init void davinci_ntosd2_init(void)
platform_add_devices(davinci_ntosd2_devices,
ARRAY_SIZE(davinci_ntosd2_devices));
/* Initialize I2C interface specific for this board */
status = ntosd2_init_i2c();
if (status < 0)
pr_warning("davinci_ntosd2_init: msp430 irq setup failed:"
" %d\n", status);
davinci_serial_init(&uart_config);
dm644x_init_asp(&dm644x_ntosd2_snd_data);

2
arch/arm/mach-exynos/pm_domains.c
View File

@ -115,7 +115,7 @@ static __init int exynos_pm_dt_parse_domains(void)
}
#endif /* CONFIG_OF */
static __init void exynos_pm_add_dev_to_genpd(struct platform_device *pdev,
static __init __maybe_unused void exynos_pm_add_dev_to_genpd(struct platform_device *pdev,
struct exynos_pm_domain *pd)
{
if (pdev->dev.bus) {

8
arch/arm/mach-imx/clk-imx27.c
View File

@ -223,7 +223,7 @@ int __init mx27_clocks_init(unsigned long fref)
clk_register_clkdev(clk[per3_gate], "per", "imx-fb.0");
clk_register_clkdev(clk[lcdc_ipg_gate], "ipg", "imx-fb.0");
clk_register_clkdev(clk[lcdc_ahb_gate], "ahb", "imx-fb.0");
clk_register_clkdev(clk[csi_ahb_gate], NULL, "mx2-camera.0");
clk_register_clkdev(clk[csi_ahb_gate], "ahb", "mx2-camera.0");
clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
clk_register_clkdev(clk[usb_ipg_gate], "ipg", "fsl-usb2-udc");
clk_register_clkdev(clk[usb_ahb_gate], "ahb", "fsl-usb2-udc");
@ -250,8 +250,10 @@ int __init mx27_clocks_init(unsigned long fref)
clk_register_clkdev(clk[i2c2_ipg_gate], NULL, "imx-i2c.1");
clk_register_clkdev(clk[owire_ipg_gate], NULL, "mxc_w1.0");
clk_register_clkdev(clk[kpp_ipg_gate], NULL, "imx-keypad");
clk_register_clkdev(clk[emma_ahb_gate], "ahb", "imx-emma");
clk_register_clkdev(clk[emma_ipg_gate], "ipg", "imx-emma");
clk_register_clkdev(clk[emma_ahb_gate], "emma-ahb", "mx2-camera.0");
clk_register_clkdev(clk[emma_ipg_gate], "emma-ipg", "mx2-camera.0");
clk_register_clkdev(clk[emma_ahb_gate], "ahb", "m2m-emmaprp.0");
clk_register_clkdev(clk[emma_ipg_gate], "ipg", "m2m-emmaprp.0");
clk_register_clkdev(clk[iim_ipg_gate], "iim", NULL);
clk_register_clkdev(clk[gpio_ipg_gate], "gpio", NULL);
clk_register_clkdev(clk[brom_ahb_gate], "brom", NULL);

2
arch/arm/mach-imx/clk-imx31.c
View File

@ -130,7 +130,7 @@ int __init mx31_clocks_init(unsigned long fref)
clk_register_clkdev(clk[nfc], NULL, "mxc_nand.0");
clk_register_clkdev(clk[ipu_gate], NULL, "ipu-core");
clk_register_clkdev(clk[ipu_gate], NULL, "mx3_sdc_fb");
clk_register_clkdev(clk[kpp_gate], "kpp", NULL);
clk_register_clkdev(clk[kpp_gate], NULL, "imx-keypad");
clk_register_clkdev(clk[usb_div_post], "per", "mxc-ehci.0");
clk_register_clkdev(clk[usb_gate], "ahb", "mxc-ehci.0");
clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.0");

1
arch/arm/mach-imx/clk-imx51-imx53.c
View File

@ -303,6 +303,7 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
clk_prepare_enable(clk[aips_tz2]); /* fec */
clk_prepare_enable(clk[spba]);
clk_prepare_enable(clk[emi_fast_gate]); /* fec */
clk_prepare_enable(clk[emi_slow_gate]); /* eim */
clk_prepare_enable(clk[tmax1]);
clk_prepare_enable(clk[tmax2]); /* esdhc2, fec */
clk_prepare_enable(clk[tmax3]); /* esdhc1, esdhc4 */

1
arch/arm/mach-integrator/core.c
View File

@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/export.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/irq.h>

2
arch/arm/mach-integrator/integrator_ap.c
View File

@ -456,7 +456,7 @@ static void __init ap_init_timer(void)
clk = clk_get_sys("ap_timer", NULL);
BUG_ON(IS_ERR(clk));
clk_enable(clk);
clk_prepare_enable(clk);
rate = clk_get_rate(clk);
writel(0, TIMER0_VA_BASE + TIMER_CTRL);

4
arch/arm/mach-kirkwood/Makefile.boot
View File

@ -9,5 +9,5 @@ dtb-$(CONFIG_MACH_ICONNECT_DT) += kirkwood-iconnect.dtb
dtb-$(CONFIG_MACH_IB62X0_DT) += kirkwood-ib62x0.dtb
dtb-$(CONFIG_MACH_TS219_DT) += kirkwood-qnap-ts219.dtb
dtb-$(CONFIG_MACH_GOFLEXNET_DT) += kirkwood-goflexnet.dtb
dbt-$(CONFIG_MACH_LSXL_DT) += kirkwood-lschlv2.dtb
dbt-$(CONFIG_MACH_LSXL_DT) += kirkwood-lsxhl.dtb
dtb-$(CONFIG_MACH_LSXL_DT) += kirkwood-lschlv2.dtb
dtb-$(CONFIG_MACH_LSXL_DT) += kirkwood-lsxhl.dtb

6
arch/arm/mach-mxs/Kconfig
View File

@ -2,9 +2,6 @@ if ARCH_MXS
source "arch/arm/mach-mxs/devices/Kconfig"
config MXS_OCOTP
bool
config SOC_IMX23
bool
select ARM_AMBA
@ -66,7 +63,6 @@ config MACH_MX28EVK
select MXS_HAVE_PLATFORM_MXS_SAIF
select MXS_HAVE_PLATFORM_MXS_I2C
select MXS_HAVE_PLATFORM_RTC_STMP3XXX
select MXS_OCOTP
help
Include support for MX28EVK platform. This includes specific
configurations for the board and its peripherals.
@ -94,7 +90,6 @@ config MODULE_M28
select MXS_HAVE_PLATFORM_MXS_I2C
select MXS_HAVE_PLATFORM_MXS_MMC
select MXS_HAVE_PLATFORM_MXSFB
select MXS_OCOTP
config MODULE_APX4
bool
@ -106,7 +101,6 @@ config MODULE_APX4
select MXS_HAVE_PLATFORM_MXS_I2C
select MXS_HAVE_PLATFORM_MXS_MMC
select MXS_HAVE_PLATFORM_MXS_SAIF
select MXS_OCOTP
config MACH_TX28
bool "Ka-Ro TX28 module"

3
arch/arm/mach-mxs/Makefile
View File

@ -1,7 +1,6 @@
# Common support
obj-y := devices.o icoll.o iomux.o system.o timer.o mm.o
obj-y := devices.o icoll.o iomux.o ocotp.o system.o timer.o mm.o
obj-$(CONFIG_MXS_OCOTP) += ocotp.o
obj-$(CONFIG_PM) += pm.o
obj-$(CONFIG_MACH_MXS_DT) += mach-mxs.o

2
arch/arm/mach-pxa/raumfeld.c
View File

@ -953,12 +953,12 @@ static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
static struct eeti_ts_platform_data eeti_ts_pdata = {
.irq_active_high = 1,
.irq_gpio = GPIO_TOUCH_IRQ,
};
static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
.type = "eeti_ts",
.addr = 0x0a,
.irq = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
.platform_data = &eeti_ts_pdata,
};

4
arch/arm/mach-s3c24xx/Kconfig
View File

@ -483,7 +483,7 @@ config MACH_NEO1973_GTA02
select I2C
select POWER_SUPPLY
select MACH_NEO1973
select S3C2410_PWM
select S3C24XX_PWM
select S3C_DEV_USB_HOST
help
Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone
@ -493,7 +493,7 @@ config MACH_RX1950
select S3C24XX_DCLK
select PM_H1940 if PM
select I2C
select S3C2410_PWM
select S3C24XX_PWM
select S3C_DEV_NAND
select S3C2410_IOTIMING if S3C2440_CPUFREQ
select S3C2440_XTAL_16934400

1
arch/arm/mach-sa1100/leds-hackkit.c
View File

@ -10,6 +10,7 @@
* as cpu led, the green one is used as timer led.
*/
#include <linux/init.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/leds.h>

30
arch/arm/mach-tegra/board-harmony-power.c
View File

@ -51,7 +51,7 @@ static struct regulator_init_data ldo0_data = {
.consumer_supplies = tps658621_ldo0_supply,
};
#define HARMONY_REGULATOR_INIT(_id, _name, _supply, _minmv, _maxmv) \
#define HARMONY_REGULATOR_INIT(_id, _name, _supply, _minmv, _maxmv, _on)\
static struct regulator_init_data _id##_data = { \
.supply_regulator = _supply, \
.constraints = { \
@ -63,21 +63,22 @@ static struct regulator_init_data ldo0_data = {
.valid_ops_mask = (REGULATOR_CHANGE_MODE | \
REGULATOR_CHANGE_STATUS | \
REGULATOR_CHANGE_VOLTAGE), \
.always_on = _on, \
}, \
}
HARMONY_REGULATOR_INIT(sm0, "vdd_sm0", "vdd_sys", 725, 1500);
HARMONY_REGULATOR_INIT(sm1, "vdd_sm1", "vdd_sys", 725, 1500);
HARMONY_REGULATOR_INIT(sm2, "vdd_sm2", "vdd_sys", 3000, 4550);
HARMONY_REGULATOR_INIT(ldo1, "vdd_ldo1", "vdd_sm2", 725, 1500);
HARMONY_REGULATOR_INIT(ldo2, "vdd_ldo2", "vdd_sm2", 725, 1500);
HARMONY_REGULATOR_INIT(ldo3, "vdd_ldo3", "vdd_sm2", 1250, 3300);
HARMONY_REGULATOR_INIT(ldo4, "vdd_ldo4", "vdd_sm2", 1700, 2475);
HARMONY_REGULATOR_INIT(ldo5, "vdd_ldo5", NULL, 1250, 3300);
HARMONY_REGULATOR_INIT(ldo6, "vdd_ldo6", "vdd_sm2", 1250, 3300);
HARMONY_REGULATOR_INIT(ldo7, "vdd_ldo7", "vdd_sm2", 1250, 3300);
HARMONY_REGULATOR_INIT(ldo8, "vdd_ldo8", "vdd_sm2", 1250, 3300);
HARMONY_REGULATOR_INIT(ldo9, "vdd_ldo9", "vdd_sm2", 1250, 3300);
HARMONY_REGULATOR_INIT(sm0, "vdd_sm0", "vdd_sys", 725, 1500, 1);
HARMONY_REGULATOR_INIT(sm1, "vdd_sm1", "vdd_sys", 725, 1500, 1);
HARMONY_REGULATOR_INIT(sm2, "vdd_sm2", "vdd_sys", 3000, 4550, 1);
HARMONY_REGULATOR_INIT(ldo1, "vdd_ldo1", "vdd_sm2", 725, 1500, 1);
HARMONY_REGULATOR_INIT(ldo2, "vdd_ldo2", "vdd_sm2", 725, 1500, 0);
HARMONY_REGULATOR_INIT(ldo3, "vdd_ldo3", "vdd_sm2", 1250, 3300, 1);
HARMONY_REGULATOR_INIT(ldo4, "vdd_ldo4", "vdd_sm2", 1700, 2475, 1);
HARMONY_REGULATOR_INIT(ldo5, "vdd_ldo5", NULL, 1250, 3300, 1);
HARMONY_REGULATOR_INIT(ldo6, "vdd_ldo6", "vdd_sm2", 1250, 3300, 0);
HARMONY_REGULATOR_INIT(ldo7, "vdd_ldo7", "vdd_sm2", 1250, 3300, 0);
HARMONY_REGULATOR_INIT(ldo8, "vdd_ldo8", "vdd_sm2", 1250, 3300, 0);
HARMONY_REGULATOR_INIT(ldo9, "vdd_ldo9", "vdd_sm2", 1250, 3300, 1);
#define TPS_REG(_id, _data) \
{ \
@ -119,9 +120,10 @@ static struct i2c_board_info __initdata harmony_regulators[] = {
int __init harmony_regulator_init(void)
{
if (machine_is_harmony()) {
regulator_register_always_on(0, "vdd_sys",
NULL, 0, 5000000);
if (machine_is_harmony()) {
i2c_register_board_info(3, harmony_regulators, 1);
} else { /* Harmony, booted using device tree */
struct device_node *np;

12
arch/arm/mm/dma-mapping.c
View File

@ -358,7 +358,7 @@ void __init dma_contiguous_remap(void)
if (end > arm_lowmem_limit)
end = arm_lowmem_limit;
if (start >= end)
return;
continue;
map.pfn = __phys_to_pfn(start);
map.virtual = __phys_to_virt(start);
@ -423,7 +423,7 @@ static void *__alloc_from_pool(size_t size, struct page **ret_page)
unsigned int pageno;
unsigned long flags;
void *ptr = NULL;
size_t align;
unsigned long align_mask;
if (!pool->vaddr) {
WARN(1, "coherent pool not initialised!\n");
@ -435,11 +435,11 @@ static void *__alloc_from_pool(size_t size, struct page **ret_page)
* small, so align them to their order in pages, minimum is a page
* size. This helps reduce fragmentation of the DMA space.
*/
align = PAGE_SIZE << get_order(size);
align_mask = (1 << get_order(size)) - 1;
spin_lock_irqsave(&pool->lock, flags);
pageno = bitmap_find_next_zero_area(pool->bitmap, pool->nr_pages,
0, count, (1 << align) - 1);
0, count, align_mask);
if (pageno < pool->nr_pages) {
bitmap_set(pool->bitmap, pageno, count);
ptr = pool->vaddr + PAGE_SIZE * pageno;
@ -648,12 +648,12 @@ void arm_dma_free(struct device *dev, size_t size, void *cpu_addr,
if (arch_is_coherent() || nommu()) {
__dma_free_buffer(page, size);
} else if (__free_from_pool(cpu_addr, size)) {
return;
} else if (!IS_ENABLED(CONFIG_CMA)) {
__dma_free_remap(cpu_addr, size);
__dma_free_buffer(page, size);
} else {
if (__free_from_pool(cpu_addr, size))
return;
/*
* Non-atomic allocations cannot be freed with IRQs disabled
*/

2
arch/arm/mm/flush.c
View File

@ -231,8 +231,6 @@ void __sync_icache_dcache(pte_t pteval)
struct page *page;
struct address_space *mapping;
if (!pte_present_user(pteval))
return;
if (cache_is_vipt_nonaliasing() && !pte_exec(pteval))
/* only flush non-aliasing VIPT caches for exec mappings */
return;

6
arch/arm/mm/tlb-v7.S
View File

@ -38,10 +38,10 @@ ENTRY(v7wbi_flush_user_tlb_range)
dsb
mov r0, r0, lsr #PAGE_SHIFT @ align address
mov r1, r1, lsr #PAGE_SHIFT
#ifdef CONFIG_ARM_ERRATA_720789
mov r3, #0
#else
asid r3, r3 @ mask ASID
#ifdef CONFIG_ARM_ERRATA_720789
ALT_SMP(W(mov) r3, #0 )
ALT_UP(W(nop) )
#endif
orr r0, r3, r0, lsl #PAGE_SHIFT @ Create initial MVA
mov r1, r1, lsl #PAGE_SHIFT

3
arch/arm/plat-samsung/Kconfig
View File

@ -403,7 +403,8 @@ config S5P_DEV_USB_EHCI
config S3C24XX_PWM
bool "PWM device support"
select HAVE_PWM
select PWM
select PWM_SAMSUNG
help
Support for exporting the PWM timer blocks via the pwm device
system

2
arch/arm/vfp/vfpmodule.c
View File

@ -719,8 +719,10 @@ static int __init vfp_init(void)
if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100)
elf_hwcap |= HWCAP_NEON;
#endif
#ifdef CONFIG_VFPv3
if ((fmrx(MVFR1) & 0xf0000000) == 0x10000000)
elf_hwcap |= HWCAP_VFPv4;
#endif
}
}
return 0;

1
arch/blackfin/kernel/setup.c
View File

@ -52,7 +52,6 @@ EXPORT_SYMBOL(reserved_mem_dcache_on);
#ifdef CONFIG_MTD_UCLINUX
extern struct map_info uclinux_ram_map;
unsigned long memory_mtd_end, memory_mtd_start, mtd_size;
unsigned long _ebss;
EXPORT_SYMBOL(memory_mtd_end);
EXPORT_SYMBOL(memory_mtd_start);
EXPORT_SYMBOL(mtd_size);

1
arch/c6x/Kconfig
View File

@ -6,6 +6,7 @@
config C6X
def_bool y
select CLKDEV_LOOKUP
select GENERIC_ATOMIC64
select GENERIC_IRQ_SHOW
select HAVE_ARCH_TRACEHOOK
select HAVE_DMA_API_DEBUG

16
arch/c6x/include/asm/cache.h
View File

@ -1,7 +1,7 @@
/*
* Port on Texas Instruments TMS320C6x architecture
*
* Copyright (C) 2005, 2006, 2009, 2010 Texas Instruments Incorporated
* Copyright (C) 2005, 2006, 2009, 2010, 2012 Texas Instruments Incorporated
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
*
* This program is free software; you can redistribute it and/or modify
@ -16,9 +16,14 @@
/*
* Cache line size
*/
#define L1D_CACHE_BYTES 64
#define L1P_CACHE_BYTES 32
#define L2_CACHE_BYTES 128
#define L1D_CACHE_SHIFT 6
#define L1D_CACHE_BYTES (1 << L1D_CACHE_SHIFT)
#define L1P_CACHE_SHIFT 5
#define L1P_CACHE_BYTES (1 << L1P_CACHE_SHIFT)
#define L2_CACHE_SHIFT 7
#define L2_CACHE_BYTES (1 << L2_CACHE_SHIFT)
/*
* L2 used as cache
@ -29,7 +34,8 @@
* For practical reasons the L1_CACHE_BYTES defines should not be smaller than
* the L2 line size
*/
#define L1_CACHE_BYTES L2_CACHE_BYTES
#define L1_CACHE_SHIFT L2_CACHE_SHIFT
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
#define L2_CACHE_ALIGN_LOW(x) \
(((x) & ~(L2_CACHE_BYTES - 1)))

1
arch/ia64/configs/generic_defconfig
View File

@ -234,5 +234,4 @@ CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_MD5=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRC_T10DIF=y
CONFIG_MISC_DEVICES=y
CONFIG_INTEL_IOMMU=y

1
arch/ia64/configs/gensparse_defconfig
View File

@ -209,4 +209,3 @@ CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_CRYPTO_MD5=y
CONFIG_MISC_DEVICES=y

5
arch/ia64/kernel/acpi.c
View File

@ -497,7 +497,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
srat_num_cpus++;
}
void __init
int __init
acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
{
unsigned long paddr, size;
@ -512,7 +512,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
/* Ignore disabled entries */
if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
return;
return -1;
/* record this node in proximity bitmap */
pxm_bit_set(pxm);
@ -531,6 +531,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
p->size = size;
p->nid = pxm;
num_node_memblks++;
return 0;
}
void __init acpi_numa_arch_fixup(void)

13
arch/m68k/Kconfig
View File

@ -5,6 +5,7 @@ config M68K
select HAVE_AOUT if MMU
select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
select GENERIC_ATOMIC64
select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
select GENERIC_CPU_DEVICES
select GENERIC_STRNCPY_FROM_USER if MMU
@ -54,18 +55,6 @@ config ZONE_DMA
bool
default y
config CPU_HAS_NO_BITFIELDS
bool
config CPU_HAS_NO_MULDIV64
bool
config CPU_HAS_ADDRESS_SPACES
bool
config FPU
bool
config HZ
int
default 1000 if CLEOPATRA

19
arch/m68k/Kconfig.cpu
View File

@ -28,6 +28,7 @@ config COLDFIRE
select CPU_HAS_NO_BITFIELDS
select CPU_HAS_NO_MULDIV64
select GENERIC_CSUM
select HAVE_CLK
endchoice
@ -37,6 +38,7 @@ config M68000
bool
select CPU_HAS_NO_BITFIELDS
select CPU_HAS_NO_MULDIV64
select CPU_HAS_NO_UNALIGNED
select GENERIC_CSUM
help
The Freescale (was Motorola) 68000 CPU is the first generation of
@ -48,6 +50,7 @@ config M68000
config MCPU32
bool
select CPU_HAS_NO_BITFIELDS
select CPU_HAS_NO_UNALIGNED
help
The Freescale (was then Motorola) CPU32 is a CPU core that is
based on the 68020 processor. For the most part it is used in
@ -56,7 +59,6 @@ config MCPU32
config M68020
bool "68020 support"
depends on MMU
select GENERIC_ATOMIC64
select CPU_HAS_ADDRESS_SPACES
help
If you anticipate running this kernel on a computer with a MC68020
@ -67,7 +69,6 @@ config M68020
config M68030
bool "68030 support"
depends on MMU && !MMU_SUN3
select GENERIC_ATOMIC64
select CPU_HAS_ADDRESS_SPACES
help
If you anticipate running this kernel on a computer with a MC68030
@ -77,7 +78,6 @@ config M68030
config M68040
bool "68040 support"
depends on MMU && !MMU_SUN3
select GENERIC_ATOMIC64
select CPU_HAS_ADDRESS_SPACES
help
If you anticipate running this kernel on a computer with a MC68LC040
@ -88,7 +88,6 @@ config M68040
config M68060
bool "68060 support"
depends on MMU && !MMU_SUN3
select GENERIC_ATOMIC64
select CPU_HAS_ADDRESS_SPACES
help
If you anticipate running this kernel on a computer with a MC68060
@ -376,6 +375,18 @@ config NODES_SHIFT
default "3"
depends on !SINGLE_MEMORY_CHUNK
config CPU_HAS_NO_BITFIELDS
bool
config CPU_HAS_NO_MULDIV64
bool
config CPU_HAS_NO_UNALIGNED
bool
config CPU_HAS_ADDRESS_SPACES
bool
config FPU
bool

16
arch/m68k/apollo/config.c
View File

@ -177,8 +177,8 @@ irqreturn_t dn_timer_int(int irq, void *dev_id)
timer_handler(irq, dev_id);
x=*(volatile unsigned char *)(timer+3);
x=*(volatile unsigned char *)(timer+5);
x = *(volatile unsigned char *)(apollo_timer + 3);
x = *(volatile unsigned char *)(apollo_timer + 5);
return IRQ_HANDLED;
}
@ -186,17 +186,17 @@ irqreturn_t dn_timer_int(int irq, void *dev_id)
void dn_sched_init(irq_handler_t timer_routine)
{
/* program timer 1 */
*(volatile unsigned char *)(timer+3)=0x01;
*(volatile unsigned char *)(timer+1)=0x40;
*(volatile unsigned char *)(timer+5)=0x09;
*(volatile unsigned char *)(timer+7)=0xc4;
*(volatile unsigned char *)(apollo_timer + 3) = 0x01;
*(volatile unsigned char *)(apollo_timer + 1) = 0x40;
*(volatile unsigned char *)(apollo_timer + 5) = 0x09;
*(volatile unsigned char *)(apollo_timer + 7) = 0xc4;
/* enable IRQ of PIC B */
*(volatile unsigned char *)(pica+1)&=(~8);
#if 0
printk("*(0x10803) %02x\n",*(volatile unsigned char *)(timer+0x3));
printk("*(0x10803) %02x\n",*(volatile unsigned char *)(timer+0x3));
printk("*(0x10803) %02x\n",*(volatile unsigned char *)(apollo_timer + 0x3));
printk("*(0x10803) %02x\n",*(volatile unsigned char *)(apollo_timer + 0x3));
#endif
if (request_irq(IRQ_APOLLO, dn_timer_int, 0, "time", timer_routine))

25
arch/m68k/include/asm/Kbuild
View File

@ -1,4 +1,29 @@
include include/asm-generic/Kbuild.asm
header-y += cachectl.h
generic-y += bitsperlong.h
generic-y += cputime.h
generic-y += device.h
generic-y += emergency-restart.h
generic-y += errno.h
generic-y += futex.h
generic-y += ioctl.h
generic-y += ipcbuf.h
generic-y += irq_regs.h
generic-y += kdebug.h
generic-y += kmap_types.h
generic-y += kvm_para.h
generic-y += local64.h
generic-y += local.h
generic-y += mman.h
generic-y += mutex.h
generic-y += percpu.h
generic-y += resource.h
generic-y += scatterlist.h
generic-y += sections.h
generic-y += siginfo.h
generic-y += statfs.h
generic-y += topology.h
generic-y += types.h
generic-y += word-at-a-time.h
generic-y += xor.h

152
arch/m68k/include/asm/MC68332.h
View File

@ -1,152 +0,0 @@
/* include/asm-m68knommu/MC68332.h: '332 control registers
*
* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>,
*
*/
#ifndef _MC68332_H_
#define _MC68332_H_
#define BYTE_REF(addr) (*((volatile unsigned char*)addr))
#define WORD_REF(addr) (*((volatile unsigned short*)addr))
#define PORTE_ADDR 0xfffa11
#define PORTE BYTE_REF(PORTE_ADDR)
#define DDRE_ADDR 0xfffa15
#define DDRE BYTE_REF(DDRE_ADDR)
#define PEPAR_ADDR 0xfffa17
#define PEPAR BYTE_REF(PEPAR_ADDR)
#define PORTF_ADDR 0xfffa19
#define PORTF BYTE_REF(PORTF_ADDR)
#define DDRF_ADDR 0xfffa1d
#define DDRF BYTE_REF(DDRF_ADDR)
#define PFPAR_ADDR 0xfffa1f
#define PFPAR BYTE_REF(PFPAR_ADDR)
#define PORTQS_ADDR 0xfffc15
#define PORTQS BYTE_REF(PORTQS_ADDR)
#define DDRQS_ADDR 0xfffc17
#define DDRQS BYTE_REF(DDRQS_ADDR)
#define PQSPAR_ADDR 0xfffc16
#define PQSPAR BYTE_REF(PQSPAR_ADDR)
#define CSPAR0_ADDR 0xFFFA44
#define CSPAR0 WORD_REF(CSPAR0_ADDR)
#define CSPAR1_ADDR 0xFFFA46
#define CSPAR1 WORD_REF(CSPAR1_ADDR)
#define CSARBT_ADDR 0xFFFA48
#define CSARBT WORD_REF(CSARBT_ADDR)
#define CSOPBT_ADDR 0xFFFA4A
#define CSOPBT WORD_REF(CSOPBT_ADDR)
#define CSBAR0_ADDR 0xFFFA4C
#define CSBAR0 WORD_REF(CSBAR0_ADDR)
#define CSOR0_ADDR 0xFFFA4E
#define CSOR0 WORD_REF(CSOR0_ADDR)
#define CSBAR1_ADDR 0xFFFA50
#define CSBAR1 WORD_REF(CSBAR1_ADDR)
#define CSOR1_ADDR 0xFFFA52
#define CSOR1 WORD_REF(CSOR1_ADDR)
#define CSBAR2_ADDR 0xFFFA54
#define CSBAR2 WORD_REF(CSBAR2_ADDR)
#define CSOR2_ADDR 0xFFFA56
#define CSOR2 WORD_REF(CSOR2_ADDR)
#define CSBAR3_ADDR 0xFFFA58
#define CSBAR3 WORD_REF(CSBAR3_ADDR)
#define CSOR3_ADDR 0xFFFA5A
#define CSOR3 WORD_REF(CSOR3_ADDR)
#define CSBAR4_ADDR 0xFFFA5C
#define CSBAR4 WORD_REF(CSBAR4_ADDR)
#define CSOR4_ADDR 0xFFFA5E
#define CSOR4 WORD_REF(CSOR4_ADDR)
#define CSBAR5_ADDR 0xFFFA60
#define CSBAR5 WORD_REF(CSBAR5_ADDR)
#define CSOR5_ADDR 0xFFFA62
#define CSOR5 WORD_REF(CSOR5_ADDR)
#define CSBAR6_ADDR 0xFFFA64
#define CSBAR6 WORD_REF(CSBAR6_ADDR)
#define CSOR6_ADDR 0xFFFA66
#define CSOR6 WORD_REF(CSOR6_ADDR)
#define CSBAR7_ADDR 0xFFFA68
#define CSBAR7 WORD_REF(CSBAR7_ADDR)
#define CSOR7_ADDR 0xFFFA6A
#define CSOR7 WORD_REF(CSOR7_ADDR)
#define CSBAR8_ADDR 0xFFFA6C
#define CSBAR8 WORD_REF(CSBAR8_ADDR)
#define CSOR8_ADDR 0xFFFA6E
#define CSOR8 WORD_REF(CSOR8_ADDR)
#define CSBAR9_ADDR 0xFFFA70
#define CSBAR9 WORD_REF(CSBAR9_ADDR)
#define CSOR9_ADDR 0xFFFA72
#define CSOR9 WORD_REF(CSOR9_ADDR)
#define CSBAR10_ADDR 0xFFFA74
#define CSBAR10 WORD_REF(CSBAR10_ADDR)
#define CSOR10_ADDR 0xFFFA76
#define CSOR10 WORD_REF(CSOR10_ADDR)
#define CSOR_MODE_ASYNC 0x0000
#define CSOR_MODE_SYNC 0x8000
#define CSOR_MODE_MASK 0x8000
#define CSOR_BYTE_DISABLE 0x0000
#define CSOR_BYTE_UPPER 0x4000
#define CSOR_BYTE_LOWER 0x2000
#define CSOR_BYTE_BOTH 0x6000
#define CSOR_BYTE_MASK 0x6000
#define CSOR_RW_RSVD 0x0000
#define CSOR_RW_READ 0x0800
#define CSOR_RW_WRITE 0x1000
#define CSOR_RW_BOTH 0x1800
#define CSOR_RW_MASK 0x1800
#define CSOR_STROBE_DS 0x0400
#define CSOR_STROBE_AS 0x0000
#define CSOR_STROBE_MASK 0x0400
#define CSOR_DSACK_WAIT(x) (wait << 6)
#define CSOR_DSACK_FTERM (14 << 6)
#define CSOR_DSACK_EXTERNAL (15 << 6)
#define CSOR_DSACK_MASK 0x03c0
#define CSOR_SPACE_CPU 0x0000
#define CSOR_SPACE_USER 0x0010
#define CSOR_SPACE_SU 0x0020
#define CSOR_SPACE_BOTH 0x0030
#define CSOR_SPACE_MASK 0x0030
#define CSOR_IPL_ALL 0x0000
#define CSOR_IPL_PRIORITY(x) (x << 1)
#define CSOR_IPL_MASK 0x000e
#define CSOR_AVEC_ON 0x0001
#define CSOR_AVEC_OFF 0x0000
#define CSOR_AVEC_MASK 0x0001
#define CSBAR_ADDR(x) ((addr >> 11) << 3)
#define CSBAR_ADDR_MASK 0xfff8
#define CSBAR_BLKSIZE_2K 0x0000
#define CSBAR_BLKSIZE_8K 0x0001
#define CSBAR_BLKSIZE_16K 0x0002
#define CSBAR_BLKSIZE_64K 0x0003
#define CSBAR_BLKSIZE_128K 0x0004
#define CSBAR_BLKSIZE_256K 0x0005
#define CSBAR_BLKSIZE_512K 0x0006
#define CSBAR_BLKSIZE_1M 0x0007
#define CSBAR_BLKSIZE_MASK 0x0007
#define CSPAR_DISC 0
#define CSPAR_ALT 1
#define CSPAR_CS8 2
#define CSPAR_CS16 3
#define CSPAR_MASK 3
#define CSPAR0_CSBOOT(x) (x << 0)
#define CSPAR0_CS0(x) (x << 2)
#define CSPAR0_CS1(x) (x << 4)
#define CSPAR0_CS2(x) (x << 6)
#define CSPAR0_CS3(x) (x << 8)
#define CSPAR0_CS4(x) (x << 10)
#define CSPAR0_CS5(x) (x << 12)
#define CSPAR1_CS6(x) (x << 0)
#define CSPAR1_CS7(x) (x << 2)
#define CSPAR1_CS8(x) (x << 4)
#define CSPAR1_CS9(x) (x << 6)
#define CSPAR1_CS10(x) (x << 8)
#endif

248
arch/m68k/include/asm/apollodma.h
View File

@ -1,248 +0,0 @@
/*
* linux/include/asm/dma.h: Defines for using and allocating dma channels.
* Written by Hennus Bergman, 1992.
* High DMA channel support & info by Hannu Savolainen
* and John Boyd, Nov. 1992.
*/
#ifndef _ASM_APOLLO_DMA_H
#define _ASM_APOLLO_DMA_H
#include <asm/apollohw.h> /* need byte IO */
#include <linux/spinlock.h> /* And spinlocks */
#include <linux/delay.h>
#define dma_outb(val,addr) (*((volatile unsigned char *)(addr+IO_BASE)) = (val))
#define dma_inb(addr) (*((volatile unsigned char *)(addr+IO_BASE)))
/*
* NOTES about DMA transfers:
*
* controller 1: channels 0-3, byte operations, ports 00-1F
* controller 2: channels 4-7, word operations, ports C0-DF
*
* - ALL registers are 8 bits only, regardless of transfer size
* - channel 4 is not used - cascades 1 into 2.
* - channels 0-3 are byte - addresses/counts are for physical bytes
* - channels 5-7 are word - addresses/counts are for physical words
* - transfers must not cross physical 64K (0-3) or 128K (5-7) boundaries
* - transfer count loaded to registers is 1 less than actual count
* - controller 2 offsets are all even (2x offsets for controller 1)
* - page registers for 5-7 don't use data bit 0, represent 128K pages
* - page registers for 0-3 use bit 0, represent 64K pages
*
* DMA transfers are limited to the lower 16MB of _physical_ memory.
* Note that addresses loaded into registers must be _physical_ addresses,
* not logical addresses (which may differ if paging is active).
*
* Address mapping for channels 0-3:
*
* A23 ... A16 A15 ... A8 A7 ... A0 (Physical addresses)
* | ... | | ... | | ... |
* | ... | | ... | | ... |
* | ... | | ... | | ... |
* P7 ... P0 A7 ... A0 A7 ... A0
* | Page | Addr MSB | Addr LSB | (DMA registers)
*
* Address mapping for channels 5-7:
*
* A23 ... A17 A16 A15 ... A9 A8 A7 ... A1 A0 (Physical addresses)
* | ... | \ \ ... \ \ \ ... \ \
* | ... | \ \ ... \ \ \ ... \ (not used)
* | ... | \ \ ... \ \ \ ... \
* P7 ... P1 (0) A7 A6 ... A0 A7 A6 ... A0
* | Page | Addr MSB | Addr LSB | (DMA registers)
*
* Again, channels 5-7 transfer _physical_ words (16 bits), so addresses
* and counts _must_ be word-aligned (the lowest address bit is _ignored_ at
* the hardware level, so odd-byte transfers aren't possible).
*
* Transfer count (_not # bytes_) is limited to 64K, represented as actual
* count - 1 : 64K => 0xFFFF, 1 => 0x0000. Thus, count is always 1 or more,
* and up to 128K bytes may be transferred on channels 5-7 in one operation.
*
*/
#define MAX_DMA_CHANNELS 8
/* The maximum address that we can perform a DMA transfer to on this platform */#define MAX_DMA_ADDRESS (PAGE_OFFSET+0x1000000)
/* 8237 DMA controllers */
#define IO_DMA1_BASE 0x10C00 /* 8 bit slave DMA, channels 0..3 */
#define IO_DMA2_BASE 0x10D00 /* 16 bit master DMA, ch 4(=slave input)..7 */
/* DMA controller registers */
#define DMA1_CMD_REG (IO_DMA1_BASE+0x08) /* command register (w) */
#define DMA1_STAT_REG (IO_DMA1_BASE+0x08) /* status register (r) */
#define DMA1_REQ_REG (IO_DMA1_BASE+0x09) /* request register (w) */
#define DMA1_MASK_REG (IO_DMA1_BASE+0x0A) /* single-channel mask (w) */
#define DMA1_MODE_REG (IO_DMA1_BASE+0x0B) /* mode register (w) */
#define DMA1_CLEAR_FF_REG (IO_DMA1_BASE+0x0C) /* clear pointer flip-flop (w) */
#define DMA1_TEMP_REG (IO_DMA1_BASE+0x0D) /* Temporary Register (r) */
#define DMA1_RESET_REG (IO_DMA1_BASE+0x0D) /* Master Clear (w) */
#define DMA1_CLR_MASK_REG (IO_DMA1_BASE+0x0E) /* Clear Mask */
#define DMA1_MASK_ALL_REG (IO_DMA1_BASE+0x0F) /* all-channels mask (w) */
#define DMA2_CMD_REG (IO_DMA2_BASE+0x10) /* command register (w) */
#define DMA2_STAT_REG (IO_DMA2_BASE+0x10) /* status register (r) */
#define DMA2_REQ_REG (IO_DMA2_BASE+0x12) /* request register (w) */
#define DMA2_MASK_REG (IO_DMA2_BASE+0x14) /* single-channel mask (w) */
#define DMA2_MODE_REG (IO_DMA2_BASE+0x16) /* mode register (w) */
#define DMA2_CLEAR_FF_REG (IO_DMA2_BASE+0x18) /* clear pointer flip-flop (w) */
#define DMA2_TEMP_REG (IO_DMA2_BASE+0x1A) /* Temporary Register (r) */
#define DMA2_RESET_REG (IO_DMA2_BASE+0x1A) /* Master Clear (w) */
#define DMA2_CLR_MASK_REG (IO_DMA2_BASE+0x1C) /* Clear Mask */
#define DMA2_MASK_ALL_REG (IO_DMA2_BASE+0x1E) /* all-channels mask (w) */
#define DMA_ADDR_0 (IO_DMA1_BASE+0x00) /* DMA address registers */
#define DMA_ADDR_1 (IO_DMA1_BASE+0x02)
#define DMA_ADDR_2 (IO_DMA1_BASE+0x04)
#define DMA_ADDR_3 (IO_DMA1_BASE+0x06)
#define DMA_ADDR_4 (IO_DMA2_BASE+0x00)
#define DMA_ADDR_5 (IO_DMA2_BASE+0x04)
#define DMA_ADDR_6 (IO_DMA2_BASE+0x08)
#define DMA_ADDR_7 (IO_DMA2_BASE+0x0C)
#define DMA_CNT_0 (IO_DMA1_BASE+0x01) /* DMA count registers */
#define DMA_CNT_1 (IO_DMA1_BASE+0x03)
#define DMA_CNT_2 (IO_DMA1_BASE+0x05)
#define DMA_CNT_3 (IO_DMA1_BASE+0x07)
#define DMA_CNT_4 (IO_DMA2_BASE+0x02)
#define DMA_CNT_5 (IO_DMA2_BASE+0x06)
#define DMA_CNT_6 (IO_DMA2_BASE+0x0A)
#define DMA_CNT_7 (IO_DMA2_BASE+0x0E)
#define DMA_MODE_READ 0x44 /* I/O to memory, no autoinit, increment, single mode */
#define DMA_MODE_WRITE 0x48 /* memory to I/O, no autoinit, increment, single mode */
#define DMA_MODE_CASCADE 0xC0 /* pass thru DREQ->HRQ, DACK<-HLDA only */
#define DMA_AUTOINIT 0x10
#define DMA_8BIT 0
#define DMA_16BIT 1
#define DMA_BUSMASTER 2
extern spinlock_t dma_spin_lock;
static __inline__ unsigned long claim_dma_lock(void)
{
unsigned long flags;
spin_lock_irqsave(&dma_spin_lock, flags);
return flags;
}
static __inline__ void release_dma_lock(unsigned long flags)
{
spin_unlock_irqrestore(&dma_spin_lock, flags);
}
/* enable/disable a specific DMA channel */
static __inline__ void enable_dma(unsigned int dmanr)
{
if (dmanr<=3)
dma_outb(dmanr, DMA1_MASK_REG);
else
dma_outb(dmanr & 3, DMA2_MASK_REG);
}
static __inline__ void disable_dma(unsigned int dmanr)
{
if (dmanr<=3)
dma_outb(dmanr | 4, DMA1_MASK_REG);
else
dma_outb((dmanr & 3) | 4, DMA2_MASK_REG);
}
/* Clear the 'DMA Pointer Flip Flop'.
* Write 0 for LSB/MSB, 1 for MSB/LSB access.
* Use this once to initialize the FF to a known state.
* After that, keep track of it. :-)
* --- In order to do that, the DMA routines below should ---
* --- only be used while holding the DMA lock ! ---
*/
static __inline__ void clear_dma_ff(unsigned int dmanr)
{
if (dmanr<=3)
dma_outb(0, DMA1_CLEAR_FF_REG);
else
dma_outb(0, DMA2_CLEAR_FF_REG);
}
/* set mode (above) for a specific DMA channel */
static __inline__ void set_dma_mode(unsigned int dmanr, char mode)
{
if (dmanr<=3)
dma_outb(mode | dmanr, DMA1_MODE_REG);
else
dma_outb(mode | (dmanr&3), DMA2_MODE_REG);
}
/* Set transfer address & page bits for specific DMA channel.
* Assumes dma flipflop is clear.
*/
static __inline__ void set_dma_addr(unsigned int dmanr, unsigned int a)
{
if (dmanr <= 3) {
dma_outb( a & 0xff, ((dmanr&3)<<1) + IO_DMA1_BASE );
dma_outb( (a>>8) & 0xff, ((dmanr&3)<<1) + IO_DMA1_BASE );
} else {
dma_outb( (a>>1) & 0xff, ((dmanr&3)<<2) + IO_DMA2_BASE );
dma_outb( (a>>9) & 0xff, ((dmanr&3)<<2) + IO_DMA2_BASE );
}
}
/* Set transfer size (max 64k for DMA1..3, 128k for DMA5..7) for
* a specific DMA channel.
* You must ensure the parameters are valid.
* NOTE: from a manual: "the number of transfers is one more
* than the initial word count"! This is taken into account.
* Assumes dma flip-flop is clear.
* NOTE 2: "count" represents _bytes_ and must be even for channels 5-7.
*/
static __inline__ void set_dma_count(unsigned int dmanr, unsigned int count)
{
count--;
if (dmanr <= 3) {
dma_outb( count & 0xff, ((dmanr&3)<<1) + 1 + IO_DMA1_BASE );
dma_outb( (count>>8) & 0xff, ((dmanr&3)<<1) + 1 + IO_DMA1_BASE );
} else {
dma_outb( (count>>1) & 0xff, ((dmanr&3)<<2) + 2 + IO_DMA2_BASE );
dma_outb( (count>>9) & 0xff, ((dmanr&3)<<2) + 2 + IO_DMA2_BASE );
}
}
/* Get DMA residue count. After a DMA transfer, this
* should return zero. Reading this while a DMA transfer is
* still in progress will return unpredictable results.
* If called before the channel has been used, it may return 1.
* Otherwise, it returns the number of _bytes_ left to transfer.
*
* Assumes DMA flip-flop is clear.
*/
static __inline__ int get_dma_residue(unsigned int dmanr)
{
unsigned int io_port = (dmanr<=3)? ((dmanr&3)<<1) + 1 + IO_DMA1_BASE
: ((dmanr&3)<<2) + 2 + IO_DMA2_BASE;
/* using short to get 16-bit wrap around */
unsigned short count;
count = 1 + dma_inb(io_port);
count += dma_inb(io_port) << 8;
return (dmanr<=3)? count : (count<<1);
}
/* These are in kernel/dma.c: */
extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */
extern void free_dma(unsigned int dmanr); /* release it again */
/* These are in arch/m68k/apollo/dma.c: */
extern unsigned short dma_map_page(unsigned long phys_addr,int count,int type);
extern void dma_unmap_page(unsigned short dma_addr);
#endif /* _ASM_APOLLO_DMA_H */

2
arch/m68k/include/asm/apollohw.h
View File

@ -98,7 +98,7 @@ extern u_long timer_physaddr;
#define cpuctrl (*(volatile unsigned int *)(IO_BASE + cpuctrl_physaddr))
#define pica (IO_BASE + pica_physaddr)
#define picb (IO_BASE + picb_physaddr)
#define timer (IO_BASE + timer_physaddr)
#define apollo_timer (IO_BASE + timer_physaddr)
#define addr_xlat_map ((unsigned short *)(IO_BASE + 0x17000))
#define isaIO2mem(x) (((((x) & 0x3f8) << 7) | (((x) & 0xfc00) >> 6) | ((x) & 0x7)) + 0x40000 + IO_BASE)

1
arch/m68k/include/asm/bitsperlong.h
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@ -1 +0,0 @@
#include <asm-generic/bitsperlong.h>

6
arch/m68k/include/asm/cputime.h
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@ -1,6 +0,0 @@
#ifndef __M68K_CPUTIME_H
#define __M68K_CPUTIME_H
#include <asm-generic/cputime.h>
#endif /* __M68K_CPUTIME_H */

2
arch/m68k/include/asm/delay.h
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@ -43,7 +43,7 @@ static inline void __delay(unsigned long loops)
extern void __bad_udelay(void);
#if defined(CONFIG_M68000) || defined(CONFIG_COLDFIRE)
#ifdef CONFIG_CPU_HAS_NO_MULDIV64
/*
* The simpler m68k and ColdFire processors do not have a 32*32->64
* multiply instruction. So we need to handle them a little differently.

7
arch/m68k/include/asm/device.h
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@ -1,7 +0,0 @@
/*
* Arch specific extensions to struct device
*
* This file is released under the GPLv2
*/
#include <asm-generic/device.h>

6
arch/m68k/include/asm/emergency-restart.h
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@ -1,6 +0,0 @@
#ifndef _ASM_EMERGENCY_RESTART_H
#define _ASM_EMERGENCY_RESTART_H
#include <asm-generic/emergency-restart.h>
#endif /* _ASM_EMERGENCY_RESTART_H */

6
arch/m68k/include/asm/errno.h
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@ -1,6 +0,0 @@
#ifndef _M68K_ERRNO_H
#define _M68K_ERRNO_H
#include <asm-generic/errno.h>
#endif /* _M68K_ERRNO_H */

6
arch/m68k/include/asm/futex.h
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@ -1,6 +0,0 @@
#ifndef _ASM_FUTEX_H
#define _ASM_FUTEX_H
#include <asm-generic/futex.h>
#endif

1
arch/m68k/include/asm/ioctl.h
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@ -1 +0,0 @@
#include <asm-generic/ioctl.h>

1
arch/m68k/include/asm/ipcbuf.h
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@ -1 +0,0 @@
#include <asm-generic/ipcbuf.h>

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