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Merge branch 'pm-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm into spi-pl022

This commit is contained in:
Mark Brown 2014-03-06 12:43:51 +08:00
parent 8535736c27 37f204164d
commit e37912fd0b
1056 changed files with 12880 additions and 6258 deletions
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3
.gitignore vendored
View File

@ -92,3 +92,6 @@ extra_certificates
signing_key.priv
signing_key.x509
x509.genkey
# Kconfig presets
all.config

24
Documentation/00-INDEX
View File

@ -29,6 +29,8 @@ DMA-ISA-LPC.txt
- How to do DMA with ISA (and LPC) devices.
DMA-attributes.txt
- listing of the various possible attributes a DMA region can have
dmatest.txt
- how to compile, configure and use the dmatest system.
DocBook/
- directory with DocBook templates etc. for kernel documentation.
EDID/
@ -77,6 +79,8 @@ arm/
- directory with info about Linux on the ARM architecture.
arm64/
- directory with info about Linux on the 64 bit ARM architecture.
assoc_array.txt
- generic associative array intro.
atomic_ops.txt
- semantics and behavior of atomic and bitmask operations.
auxdisplay/
@ -87,6 +91,8 @@ bad_memory.txt
- how to use kernel parameters to exclude bad RAM regions.
basic_profiling.txt
- basic instructions for those who wants to profile Linux kernel.
bcache.txt
- Block-layer cache on fast SSDs to improve slow (raid) I/O performance.
binfmt_misc.txt
- info on the kernel support for extra binary formats.
blackfin/
@ -171,6 +177,8 @@ early-userspace/
- info about initramfs, klibc, and userspace early during boot.
edac.txt
- information on EDAC - Error Detection And Correction
efi-stub.txt
- How to use the EFI boot stub to bypass GRUB or elilo on EFI systems.
eisa.txt
- info on EISA bus support.
email-clients.txt
@ -195,8 +203,8 @@ futex-requeue-pi.txt
- info on requeueing of tasks from a non-PI futex to a PI futex
gcov.txt
- use of GCC's coverage testing tool "gcov" with the Linux kernel
gpio.txt
- overview of GPIO (General Purpose Input/Output) access conventions.
gpio/
- gpio related documentation
hid/
- directory with information on human interface devices
highuid.txt
@ -255,6 +263,8 @@ kernel-docs.txt
- listing of various WWW + books that document kernel internals.
kernel-parameters.txt
- summary listing of command line / boot prompt args for the kernel.
kernel-per-CPU-kthreads.txt
- List of all per-CPU kthreads and how they introduce jitter.
kmemcheck.txt
- info on dynamic checker that detects uses of uninitialized memory.
kmemleak.txt
@ -299,8 +309,6 @@ memory-devices/
- directory with info on parts like the Texas Instruments EMIF driver
memory-hotplug.txt
- Hotpluggable memory support, how to use and current status.
memory.txt
- info on typical Linux memory problems.
metag/
- directory with info about Linux on Meta architecture.
mips/
@ -311,6 +319,8 @@ mmc/
- directory with info about the MMC subsystem
mn10300/
- directory with info about the mn10300 architecture port
module-signing.txt
- Kernel module signing for increased security when loading modules.
mtd/
- directory with info about memory technology devices (flash)
mono.txt
@ -343,6 +353,8 @@ pcmcia/
- info on the Linux PCMCIA driver.
percpu-rw-semaphore.txt
- RCU based read-write semaphore optimized for locking for reading
phy.txt
- Description of the generic PHY framework.
pi-futex.txt
- documentation on lightweight priority inheritance futexes.
pinctrl.txt
@ -431,6 +443,8 @@ sysrq.txt
- info on the magic SysRq key.
target/
- directory with info on generating TCM v4 fabric .ko modules
this_cpu_ops.txt
- List rationale behind and the way to use this_cpu operations.
thermal/
- directory with information on managing thermal issues (CPU/temp)
trace/
@ -469,6 +483,8 @@ wimax/
- directory with info about Intel Wireless Wimax Connections
workqueue.txt
- information on the Concurrency Managed Workqueue implementation
ww-mutex-design.txt
- Intro to Mutex wait/would deadlock handling.s
x86/x86_64/
- directory with info on Linux support for AMD x86-64 (Hammer) machines.
xtensa/

119
Documentation/PCI/MSI-HOWTO.txt
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@ -82,7 +82,19 @@ Most of the hard work is done for the driver in the PCI layer. It simply
has to request that the PCI layer set up the MSI capability for this
device.
4.2.1 pci_enable_msi_range
4.2.1 pci_enable_msi
int pci_enable_msi(struct pci_dev *dev)
A successful call allocates ONE interrupt to the device, regardless
of how many MSIs the device supports. The device is switched from
pin-based interrupt mode to MSI mode. The dev->irq number is changed
to a new number which represents the message signaled interrupt;
consequently, this function should be called before the driver calls
request_irq(), because an MSI is delivered via a vector that is
different from the vector of a pin-based interrupt.
4.2.2 pci_enable_msi_range
int pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec)
@ -147,6 +159,11 @@ static int foo_driver_enable_msi(struct pci_dev *pdev, int nvec)
return pci_enable_msi_range(pdev, nvec, nvec);
}
Note, unlike pci_enable_msi_exact() function, which could be also used to
enable a particular number of MSI-X interrupts, pci_enable_msi_range()
returns either a negative errno or 'nvec' (not negative errno or 0 - as
pci_enable_msi_exact() does).
4.2.1.3 Single MSI mode
The most notorious example of the request type described above is
@ -158,7 +175,27 @@ static int foo_driver_enable_single_msi(struct pci_dev *pdev)
return pci_enable_msi_range(pdev, 1, 1);
}
4.2.2 pci_disable_msi
Note, unlike pci_enable_msi() function, which could be also used to
enable the single MSI mode, pci_enable_msi_range() returns either a
negative errno or 1 (not negative errno or 0 - as pci_enable_msi()
does).
4.2.3 pci_enable_msi_exact
int pci_enable_msi_exact(struct pci_dev *dev, int nvec)
This variation on pci_enable_msi_range() call allows a device driver to
request exactly 'nvec' MSIs.
If this function returns a negative number, it indicates an error and
the driver should not attempt to request any more MSI interrupts for
this device.
By contrast with pci_enable_msi_range() function, pci_enable_msi_exact()
returns zero in case of success, which indicates MSI interrupts have been
successfully allocated.
4.2.4 pci_disable_msi
void pci_disable_msi(struct pci_dev *dev)
@ -172,7 +209,7 @@ on any interrupt for which it previously called request_irq().
Failure to do so results in a BUG_ON(), leaving the device with
MSI enabled and thus leaking its vector.
4.2.3 pci_msi_vec_count
4.2.4 pci_msi_vec_count
int pci_msi_vec_count(struct pci_dev *dev)
@ -257,8 +294,8 @@ possible, likely up to the limit returned by pci_msix_vec_count() function:
static int foo_driver_enable_msix(struct foo_adapter *adapter, int nvec)
{
return pci_enable_msi_range(adapter->pdev, adapter->msix_entries,
1, nvec);
return pci_enable_msix_range(adapter->pdev, adapter->msix_entries,
1, nvec);
}
Note the value of 'minvec' parameter is 1. As 'minvec' is inclusive,
@ -269,8 +306,8 @@ In this case the function could look like this:
static int foo_driver_enable_msix(struct foo_adapter *adapter, int nvec)
{
return pci_enable_msi_range(adapter->pdev, adapter->msix_entries,
FOO_DRIVER_MINIMUM_NVEC, nvec);
return pci_enable_msix_range(adapter->pdev, adapter->msix_entries,
FOO_DRIVER_MINIMUM_NVEC, nvec);
}
4.3.1.2 Exact number of MSI-X interrupts
@ -282,10 +319,15 @@ parameters:
static int foo_driver_enable_msix(struct foo_adapter *adapter, int nvec)
{
return pci_enable_msi_range(adapter->pdev, adapter->msix_entries,
nvec, nvec);
return pci_enable_msix_range(adapter->pdev, adapter->msix_entries,
nvec, nvec);
}
Note, unlike pci_enable_msix_exact() function, which could be also used to
enable a particular number of MSI-X interrupts, pci_enable_msix_range()
returns either a negative errno or 'nvec' (not negative errno or 0 - as
pci_enable_msix_exact() does).
4.3.1.3 Specific requirements to the number of MSI-X interrupts
As noted above, there could be devices that can not operate with just any
@ -332,7 +374,64 @@ Note how pci_enable_msix_range() return value is analized for a fallback -
any error code other than -ENOSPC indicates a fatal error and should not
be retried.
4.3.2 pci_disable_msix
4.3.2 pci_enable_msix_exact
int pci_enable_msix_exact(struct pci_dev *dev,
struct msix_entry *entries, int nvec)
This variation on pci_enable_msix_range() call allows a device driver to
request exactly 'nvec' MSI-Xs.
If this function returns a negative number, it indicates an error and
the driver should not attempt to allocate any more MSI-X interrupts for
this device.
By contrast with pci_enable_msix_range() function, pci_enable_msix_exact()
returns zero in case of success, which indicates MSI-X interrupts have been
successfully allocated.
Another version of a routine that enables MSI-X mode for a device with
specific requirements described in chapter 4.3.1.3 might look like this:
/*
* Assume 'minvec' and 'maxvec' are non-zero
*/
static int foo_driver_enable_msix(struct foo_adapter *adapter,
int minvec, int maxvec)
{
int rc;
minvec = roundup_pow_of_two(minvec);
maxvec = rounddown_pow_of_two(maxvec);
if (minvec > maxvec)
return -ERANGE;
retry:
rc = pci_enable_msix_exact(adapter->pdev,
adapter->msix_entries, maxvec);
/*
* -ENOSPC is the only error code allowed to be analyzed
*/
if (rc == -ENOSPC) {
if (maxvec == 1)
return -ENOSPC;
maxvec /= 2;
if (minvec > maxvec)
return -ENOSPC;
goto retry;
} else if (rc < 0) {
return rc;
}
return maxvec;
}
4.3.3 pci_disable_msix
void pci_disable_msix(struct pci_dev *dev)

2
Documentation/RCU/00-INDEX
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@ -8,6 +8,8 @@ listRCU.txt
- Using RCU to Protect Read-Mostly Linked Lists
lockdep.txt
- RCU and lockdep checking
lockdep-splat.txt
- RCU Lockdep splats explained.
NMI-RCU.txt
- Using RCU to Protect Dynamic NMI Handlers
rcubarrier.txt

14
Documentation/arm/00-INDEX
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@ -4,6 +4,8 @@ Booting
- requirements for booting
Interrupts
- ARM Interrupt subsystem documentation
IXP4xx
- Intel IXP4xx Network processor.
msm
- MSM specific documentation
Netwinder
@ -24,8 +26,16 @@ SPEAr
- ST SPEAr platform Linux Overview
VFP/
- Release notes for Linux Kernel Vector Floating Point support code
cluster-pm-race-avoidance.txt
- Algorithm for CPU and Cluster setup/teardown
empeg/
- Ltd's Empeg MP3 Car Audio Player
firmware.txt
- Secure firmware registration and calling.
kernel_mode_neon.txt
- How to use NEON instructions in kernel mode
kernel_user_helpers.txt
- Helper functions in kernel space made available for userspace.
mem_alignment
- alignment abort handler documentation
memory.txt
@ -34,3 +44,7 @@ nwfpe/
- NWFPE floating point emulator documentation
swp_emulation
- SWP/SWPB emulation handler/logging description
tcm.txt
- ARM Tightly Coupled Memory
vlocks.txt
- Voting locks, low-level mechanism relying on memory system atomic writes.

6
Documentation/blackfin/00-INDEX
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@ -1,8 +1,10 @@
00-INDEX
- This file
Makefile
- Makefile for gptimers example file.
bfin-gpio-notes.txt
- Notes in developing/using bfin-gpio driver.
bfin-spi-notes.txt
- Notes for using bfin spi bus driver.
gptimers-example.c
- gptimers example

2
Documentation/block/00-INDEX
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@ -14,6 +14,8 @@ deadline-iosched.txt
- Deadline IO scheduler tunables
ioprio.txt
- Block io priorities (in CFQ scheduler)
null_blk.txt
- Null block for block-layer benchmarking.
queue-sysfs.txt
- Queue's sysfs entries
request.txt

2
Documentation/devicetree/00-INDEX
View File

@ -8,3 +8,5 @@ https://lists.ozlabs.org/listinfo/devicetree-discuss
- this file
booting-without-of.txt
- Booting Linux without Open Firmware, describes history and format of device trees.
usage-model.txt
- How Linux uses DT and what DT aims to solve.

2
Documentation/devicetree/bindings/arm/omap/omap.txt
View File

@ -91,7 +91,7 @@ Boards:
compatible = "ti,omap3-beagle", "ti,omap3"
- OMAP3 Tobi with Overo : Commercial expansion board with daughter board
compatible = "ti,omap3-tobi", "ti,omap3-overo", "ti,omap3"
compatible = "gumstix,omap3-overo-tobi", "gumstix,omap3-overo", "ti,omap3"
- OMAP4 SDP : Software Development Board
compatible = "ti,omap4-sdp", "ti,omap4430"

18
Documentation/devicetree/bindings/interrupt-controller/lsi,zevio-intc.txt Normal file
View File

@ -0,0 +1,18 @@
TI-NSPIRE interrupt controller
Required properties:
- compatible: Compatible property value should be "lsi,zevio-intc".
- reg: Physical base address of the controller and length of memory mapped
region.
- interrupt-controller : Identifies the node as an interrupt controller
Example:
interrupt-controller {
compatible = "lsi,zevio-intc";
interrupt-controller;
reg = <0xDC000000 0x1000>;
#interrupt-cells = <1>;
};

5
Documentation/devicetree/bindings/mmc/atmel-hsmci.txt
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@ -13,6 +13,9 @@ Required properties:
- #address-cells: should be one. The cell is the slot id.
- #size-cells: should be zero.
- at least one slot node
- clock-names: tuple listing input clock names.
Required elements: "mci_clk"
- clocks: phandles to input clocks.
The node contains child nodes for each slot that the platform uses
@ -24,6 +27,8 @@ mmc0: mmc@f0008000 {
interrupts = <12 4>;
#address-cells = <1>;
#size-cells = <0>;
clock-names = "mci_clk";
clocks = <&mci0_clk>;
[ child node definitions...]
};

5
Documentation/devicetree/bindings/net/allwinner,sun4i-emac.txt
View File

@ -1,7 +1,8 @@
* Allwinner EMAC ethernet controller
Required properties:
- compatible: should be "allwinner,sun4i-emac".
- compatible: should be "allwinner,sun4i-a10-emac" (Deprecated:
"allwinner,sun4i-emac")
- reg: address and length of the register set for the device.
- interrupts: interrupt for the device
- phy: A phandle to a phy node defining the PHY address (as the reg
@ -14,7 +15,7 @@ Optional properties:
Example:
emac: ethernet@01c0b000 {
compatible = "allwinner,sun4i-emac";
compatible = "allwinner,sun4i-a10-emac";
reg = <0x01c0b000 0x1000>;
interrupts = <55>;
clocks = <&ahb_gates 17>;

5
Documentation/devicetree/bindings/net/allwinner,sun4i-mdio.txt
View File

@ -1,7 +1,8 @@
* Allwinner A10 MDIO Ethernet Controller interface
Required properties:
- compatible: should be "allwinner,sun4i-mdio".
- compatible: should be "allwinner,sun4i-a10-mdio"
(Deprecated: "allwinner,sun4i-mdio").
- reg: address and length of the register set for the device.
Optional properties:
@ -9,7 +10,7 @@ Optional properties:
Example at the SoC level:
mdio@01c0b080 {
compatible = "allwinner,sun4i-mdio";
compatible = "allwinner,sun4i-a10-mdio";
reg = <0x01c0b080 0x14>;
#address-cells = <1>;
#size-cells = <0>;

58
Documentation/devicetree/bindings/net/sti-dwmac.txt Normal file
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@ -0,0 +1,58 @@
STMicroelectronics SoC DWMAC glue layer controller
The device node has following properties.
Required properties:
- compatible : Can be "st,stih415-dwmac", "st,stih416-dwmac" or
"st,stid127-dwmac".
- reg : Offset of the glue configuration register map in system
configuration regmap pointed by st,syscon property and size.
- reg-names : Should be "sti-ethconf".
- st,syscon : Should be phandle to system configuration node which
encompases this glue registers.
- st,tx-retime-src: On STi Parts for Giga bit speeds, 125Mhz clocks can be
wired up in from different sources. One via TXCLK pin and other via CLK_125
pin. This wiring is totally board dependent. However the retiming glue
logic should be configured accordingly. Possible values for this property
"txclk" - if 125Mhz clock is wired up via txclk line.
"clk_125" - if 125Mhz clock is wired up via clk_125 line.
This property is only valid for Giga bit setup( GMII, RGMII), and it is
un-used for non-giga bit (MII and RMII) setups. Also note that internal
clockgen can not generate stable 125Mhz clock.
- st,ext-phyclk: This boolean property indicates who is generating the clock
for tx and rx. This property is only valid for RMII case where the clock can
be generated from the MAC or PHY.
- clock-names: should be "sti-ethclk".
- clocks: Should point to ethernet clockgen which can generate phyclk.
Example:
ethernet0: dwmac@fe810000 {
device_type = "network";
compatible = "st,stih416-dwmac", "snps,dwmac", "snps,dwmac-3.710";
reg = <0xfe810000 0x8000>, <0x8bc 0x4>;
reg-names = "stmmaceth", "sti-ethconf";
interrupts = <0 133 0>, <0 134 0>, <0 135 0>;
interrupt-names = "macirq", "eth_wake_irq", "eth_lpi";
phy-mode = "mii";
st,syscon = <&syscfg_rear>;
snps,pbl = <32>;
snps,mixed-burst;
resets = <&softreset STIH416_ETH0_SOFTRESET>;
reset-names = "stmmaceth";
pinctrl-0 = <&pinctrl_mii0>;
pinctrl-names = "default";
clocks = <&CLK_S_GMAC0_PHY>;
clock-names = "stmmaceth";
};

47
Documentation/devicetree/bindings/power/bq2415x.txt Normal file
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@ -0,0 +1,47 @@
Binding for TI bq2415x Li-Ion Charger
Required properties:
- compatible: Should contain one of the following:
* "ti,bq24150"
* "ti,bq24150"
* "ti,bq24150a"
* "ti,bq24151"
* "ti,bq24151a"
* "ti,bq24152"
* "ti,bq24153"
* "ti,bq24153a"
* "ti,bq24155"
* "ti,bq24156"
* "ti,bq24156a"
* "ti,bq24158"
- reg: integer, i2c address of the device.
- ti,current-limit: integer, initial maximum current charger can pull
from power supply in mA.
- ti,weak-battery-voltage: integer, weak battery voltage threshold in mV.
The chip will use slow precharge if battery voltage
is below this value.
- ti,battery-regulation-voltage: integer, maximum charging voltage in mV.
- ti,charge-current: integer, maximum charging current in mA.
- ti,termination-current: integer, charge will be terminated when current in
constant-voltage phase drops below this value (in mA).
- ti,resistor-sense: integer, value of sensing resistor in milliohm.
Optional properties:
- ti,usb-charger-detection: phandle to usb charger detection device.
(required for auto mode)
Example from Nokia N900:
bq24150a {
compatible = "ti,bq24150a";
reg = <0x6b>;
ti,current-limit = <100>;
ti,weak-battery-voltage = <3400>;
ti,battery-regulation-voltage = <4200>;
ti,charge-current = <650>;
ti,termination-current = <100>;
ti,resistor-sense = <68>;
ti,usb-charger-detection = <&isp1704>;
};

5
Documentation/devicetree/bindings/spi/spi_atmel.txt
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@ -5,6 +5,9 @@ Required properties:
- reg: Address and length of the register set for the device
- interrupts: Should contain spi interrupt
- cs-gpios: chipselects
- clock-names: tuple listing input clock names.
Required elements: "spi_clk"
- clocks: phandles to input clocks.
Example:
@ -14,6 +17,8 @@ spi1: spi@fffcc000 {
interrupts = <13 4 5>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&spi1_clk>;
clock-names = "spi_clk";
cs-gpios = <&pioB 3 0>;
status = "okay";

6
Documentation/devicetree/bindings/vendor-prefixes.txt
View File

@ -8,6 +8,7 @@ ad Avionic Design GmbH
adi Analog Devices, Inc.
aeroflexgaisler Aeroflex Gaisler AB
ak Asahi Kasei Corp.
allwinner Allwinner Technology Co., Ltd.
altr Altera Corp.
amcc Applied Micro Circuits Corporation (APM, formally AMCC)
amstaos AMS-Taos Inc.
@ -40,6 +41,7 @@ gmt Global Mixed-mode Technology, Inc.
gumstix Gumstix, Inc.
haoyu Haoyu Microelectronic Co. Ltd.
hisilicon Hisilicon Limited.
honeywell Honeywell
hp Hewlett Packard
ibm International Business Machines (IBM)
idt Integrated Device Technologies, Inc.
@ -55,6 +57,7 @@ maxim Maxim Integrated Products
microchip Microchip Technology Inc.
mosaixtech Mosaix Technologies, Inc.
national National Semiconductor
neonode Neonode Inc.
nintendo Nintendo
nvidia NVIDIA
nxp NXP Semiconductors
@ -64,7 +67,7 @@ phytec PHYTEC Messtechnik GmbH
picochip Picochip Ltd
powervr PowerVR (deprecated, use img)
qca Qualcomm Atheros, Inc.
qcom Qualcomm, Inc.
qcom Qualcomm Technologies, Inc
ralink Mediatek/Ralink Technology Corp.
ramtron Ramtron International
realtek Realtek Semiconductor Corp.
@ -78,6 +81,7 @@ silabs Silicon Laboratories
simtek
sirf SiRF Technology, Inc.
snps Synopsys, Inc.
spansion Spansion Inc.
st STMicroelectronics
ste ST-Ericsson
stericsson ST-Ericsson

2
Documentation/dvb/contributors.txt
View File

@ -78,7 +78,7 @@ Peter Beutner <p.beutner@gmx.net>
Wilson Michaels <wilsonmichaels@earthlink.net>
for the lgdt330x frontend driver, and various bugfixes
Michael Krufky <mkrufky@m1k.net>
Michael Krufky <mkrufky@linuxtv.org>
for maintaining v4l/dvb inter-tree dependencies
Taylor Jacob <rtjacob@earthlink.net>

6
Documentation/fb/00-INDEX
View File

@ -5,6 +5,8 @@ please mail me.
00-INDEX
- this file.
api.txt
- The frame buffer API between applications and buffer devices.
arkfb.txt
- info on the fbdev driver for ARK Logic chips.
aty128fb.txt
@ -51,12 +53,16 @@ sh7760fb.txt
- info on the SH7760/SH7763 integrated LCDC Framebuffer driver.
sisfb.txt
- info on the framebuffer device driver for various SiS chips.
sm501.txt
- info on the framebuffer device driver for sm501 videoframebuffer.
sstfb.txt
- info on the frame buffer driver for 3dfx' Voodoo Graphics boards.
tgafb.txt
- info on the TGA (DECChip 21030) frame buffer driver.
tridentfb.txt
info on the framebuffer driver for some Trident chip based cards.
udlfb.txt
- Driver for DisplayLink USB 2.0 chips.
uvesafb.txt
- info on the userspace VESA (VBE2+ compliant) frame buffer device.
vesafb.txt

2
Documentation/filesystems/00-INDEX
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@ -2,6 +2,8 @@
- this file (info on some of the filesystems supported by linux).
Locking
- info on locking rules as they pertain to Linux VFS.
Makefile
- Makefile for building the filsystems-part of DocBook.
9p.txt
- 9p (v9fs) is an implementation of the Plan 9 remote fs protocol.
adfs.txt

4
Documentation/filesystems/nfs/00-INDEX
View File

@ -12,6 +12,8 @@ nfs41-server.txt
- info on the Linux server implementation of NFSv4 minor version 1.
nfs-rdma.txt
- how to install and setup the Linux NFS/RDMA client and server software
nfsd-admin-interfaces.txt
- Administrative interfaces for nfsd.
nfsroot.txt
- short guide on setting up a diskless box with NFS root filesystem.
pnfs.txt
@ -20,5 +22,5 @@ rpc-cache.txt
- introduction to the caching mechanisms in the sunrpc layer.
idmapper.txt
- information for configuring request-keys to be used by idmapper
knfsd-rpcgss.txt
rpc-server-gss.txt
- Information on GSS authentication support in the NFS Server

41
Documentation/i2c/instantiating-devices
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@ -8,8 +8,8 @@ reason, the kernel code must instantiate I2C devices explicitly. There are
several ways to achieve this, depending on the context and requirements.
Method 1: Declare the I2C devices by bus number
-----------------------------------------------
Method 1a: Declare the I2C devices by bus number
------------------------------------------------
This method is appropriate when the I2C bus is a system bus as is the case
for many embedded systems. On such systems, each I2C bus has a number
@ -51,6 +51,43 @@ The devices will be automatically unbound and destroyed when the I2C bus
they sit on goes away (if ever.)
Method 1b: Declare the I2C devices via devicetree
-------------------------------------------------
This method has the same implications as method 1a. The declaration of I2C
devices is here done via devicetree as subnodes of the master controller.
Example:
i2c1: i2c@400a0000 {
/* ... master properties skipped ... */
clock-frequency = <100000>;
flash@50 {
compatible = "atmel,24c256";
reg = <0x50>;
};
pca9532: gpio@60 {
compatible = "nxp,pca9532";
gpio-controller;
#gpio-cells = <2>;
reg = <0x60>;
};
};
Here, two devices are attached to the bus using a speed of 100kHz. For
additional properties which might be needed to set up the device, please refer
to its devicetree documentation in Documentation/devicetree/bindings/.
Method 1c: Declare the I2C devices via ACPI
-------------------------------------------
ACPI can also describe I2C devices. There is special documentation for this
which is currently located at Documentation/acpi/enumeration.txt.
Method 2: Instantiate the devices explicitly
--------------------------------------------

2
Documentation/ide/00-INDEX
View File

@ -10,3 +10,5 @@ ide-tape.txt
- info on the IDE ATAPI streaming tape driver
ide.txt
- important info for users of ATA devices (IDE/EIDE disks and CD-ROMS).
warm-plug-howto.txt
- using sysfs to remove and add IDE devices.

8
Documentation/kernel-parameters.txt
View File

@ -1726,16 +1726,16 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
option description.
memmap=nn[KMG]@ss[KMG]
[KNL] Force usage of a specific region of memory
Region of memory to be used, from ss to ss+nn.
[KNL] Force usage of a specific region of memory.
Region of memory to be used is from ss to ss+nn.
memmap=nn[KMG]#ss[KMG]
[KNL,ACPI] Mark specific memory as ACPI data.
Region of memory to be used, from ss to ss+nn.
Region of memory to be marked is from ss to ss+nn.
memmap=nn[KMG]$ss[KMG]
[KNL,ACPI] Mark specific memory as reserved.
Region of memory to be used, from ss to ss+nn.
Region of memory to be reserved is from ss to ss+nn.
Example: Exclude memory from 0x18690000-0x1869ffff
memmap=64K$0x18690000
or

6
Documentation/laptops/00-INDEX
View File

@ -1,13 +1,15 @@
00-INDEX
- This file
acer-wmi.txt
- information on the Acer Laptop WMI Extras driver.
Makefile
- Makefile for building dslm example program.
asus-laptop.txt
- information on the Asus Laptop Extras driver.
disk-shock-protection.txt
- information on hard disk shock protection.
dslm.c
- Simple Disk Sleep Monitor program
hpfall.c
- (HP) laptop accelerometer program for disk protection.
laptop-mode.txt
- how to conserve battery power using laptop-mode.
sony-laptop.txt

8
Documentation/leds/00-INDEX
View File

@ -1,3 +1,7 @@
00-INDEX
- This file
leds-blinkm.txt
- Driver for BlinkM LED-devices.
leds-class.txt
- documents LED handling under Linux.
leds-lp3944.txt
@ -12,3 +16,7 @@ leds-lp55xx.txt
- description about lp55xx common driver.
leds-lm3556.txt
- notes on how to use the leds-lm3556 driver.
ledtrig-oneshot.txt
- One-shot LED trigger for both sporadic and dense events.
ledtrig-transient.txt
- LED Transient Trigger, one shot timer activation.

2
Documentation/m68k/00-INDEX
View File

@ -1,5 +1,7 @@
00-INDEX
- this file
README.buddha
- Amiga Buddha and Catweasel IDE Driver
kernel-options.txt
- command line options for Linux/m68k

30
Documentation/networking/00-INDEX
View File

@ -6,8 +6,14 @@
- information on the 3Com Etherlink III Series Ethernet cards.
6pack.txt
- info on the 6pack protocol, an alternative to KISS for AX.25
DLINK.txt
- info on the D-Link DE-600/DE-620 parallel port pocket adapters
LICENSE.qla3xxx
- GPLv2 for QLogic Linux Networking HBA Driver
LICENSE.qlge
- GPLv2 for QLogic Linux qlge NIC Driver
LICENSE.qlcnic
- GPLv2 for QLogic Linux qlcnic NIC Driver
Makefile
- Makefile for docsrc.
PLIP.txt
- PLIP: The Parallel Line Internet Protocol device driver
README.ipw2100
@ -17,7 +23,7 @@ README.ipw2200
README.sb1000
- info on General Instrument/NextLevel SURFboard1000 cable modem.
alias.txt
- info on using alias network devices
- info on using alias network devices.
arcnet-hardware.txt
- tons of info on ARCnet, hubs, jumper settings for ARCnet cards, etc.
arcnet.txt
@ -80,7 +86,7 @@ framerelay.txt
- info on using Frame Relay/Data Link Connection Identifier (DLCI).
gen_stats.txt
- Generic networking statistics for netlink users.
generic_hdlc.txt
generic-hdlc.txt
- The generic High Level Data Link Control (HDLC) layer.
generic_netlink.txt
- info on Generic Netlink
@ -88,6 +94,8 @@ gianfar.txt
- Gianfar Ethernet Driver.
i40e.txt
- README for the Intel Ethernet Controller XL710 Driver (i40e).
i40evf.txt
- Short note on the Driver for the Intel(R) XL710 X710 Virtual Function
ieee802154.txt
- Linux IEEE 802.15.4 implementation, API and drivers
igb.txt
@ -102,6 +110,8 @@ ipddp.txt
- AppleTalk-IP Decapsulation and AppleTalk-IP Encapsulation
iphase.txt
- Interphase PCI ATM (i)Chip IA Linux driver info.
ipsec.txt
- Note on not compressing IPSec payload and resulting failed policy check.
ipv6.txt
- Options to the ipv6 kernel module.
ipvs-sysctl.txt
@ -120,6 +130,8 @@ lapb-module.txt
- programming information of the LAPB module.
ltpc.txt
- the Apple or Farallon LocalTalk PC card driver
mac80211-auth-assoc-deauth.txt
- authentication and association / deauth-disassoc with max80211
mac80211-injection.txt
- HOWTO use packet injection with mac80211
multiqueue.txt
@ -134,6 +146,10 @@ netdevices.txt
- info on network device driver functions exported to the kernel.
netif-msg.txt
- Design of the network interface message level setting (NETIF_MSG_*).
netlink_mmap.txt
- memory mapped I/O with netlink
nf_conntrack-sysctl.txt
- list of netfilter-sysctl knobs.
nfc.txt
- The Linux Near Field Communication (NFS) subsystem.
openvswitch.txt
@ -176,7 +192,7 @@ skfp.txt
- SysKonnect FDDI (SK-5xxx, Compaq Netelligent) driver info.
smc9.txt
- the driver for SMC's 9000 series of Ethernet cards
spider-net.txt
spider_net.txt
- README for the Spidernet Driver (as found in PS3 / Cell BE).
stmmac.txt
- README for the STMicro Synopsys Ethernet driver.
@ -188,6 +204,8 @@ tcp.txt
- short blurb on how TCP output takes place.
tcp-thin.txt
- kernel tuning options for low rate 'thin' TCP streams.
team.txt
- pointer to information for ethernet teaming devices.
tlan.txt
- ThunderLAN (Compaq Netelligent 10/100, Olicom OC-2xxx) driver info.
tproxy.txt
@ -200,6 +218,8 @@ vortex.txt
- info on using 3Com Vortex (3c590, 3c592, 3c595, 3c597) Ethernet cards.
vxge.txt
- README for the Neterion X3100 PCIe Server Adapter.
vxlan.txt
- Virtual extensible LAN overview
x25.txt
- general info on X.25 development.
x25-iface.txt

45
Documentation/networking/3c505.txt
View File

@ -1,45 +0,0 @@
The 3Com Etherlink Plus (3c505) driver.
This driver now uses DMA. There is currently no support for PIO operation.
The default DMA channel is 6; this is _not_ autoprobed, so you must
make sure you configure it correctly. If loading the driver as a
module, you can do this with "modprobe 3c505 dma=n". If the driver is
linked statically into the kernel, you must either use an "ether="
statement on the command line, or change the definition of ELP_DMA in 3c505.h.
The driver will warn you if it has to fall back on the compiled in
default DMA channel.
If no base address is given at boot time, the driver will autoprobe
ports 0x300, 0x280 and 0x310 (in that order). If no IRQ is given, the driver
will try to probe for it.
The driver can be used as a loadable module.
Theoretically, one instance of the driver can now run multiple cards,
in the standard way (when loading a module, say "modprobe 3c505
io=0x300,0x340 irq=10,11 dma=6,7" or whatever). I have not tested
this, though.
The driver may now support revision 2 hardware; the dependency on
being able to read the host control register has been removed. This
is also untested, since I don't have a suitable card.
Known problems:
I still see "DMA upload timed out" messages from time to time. These
seem to be fairly non-fatal though.
The card is old and slow.
To do:
Improve probe/setup code
Test multicast and promiscuous operation
Authors:
The driver is mainly written by Craig Southeren, email
<craigs@ineluki.apana.org.au>.
Parts of the driver (adapting the driver to 1.1.4+ kernels,
IRQ/address detection, some changes) and this README by
Juha Laiho <jlaiho@ichaos.nullnet.fi>.
DMA mode, more fixes, etc, by Philip Blundell <pjb27@cam.ac.uk>
Multicard support, Software configurable DMA, etc., by
Christopher Collins <ccollins@pcug.org.au>

24
Documentation/phy.txt
View File

@ -75,14 +75,26 @@ Before the controller can make use of the PHY, it has to get a reference to
it. This framework provides the following APIs to get a reference to the PHY.
struct phy *phy_get(struct device *dev, const char *string);
struct phy *phy_optional_get(struct device *dev, const char *string);
struct phy *devm_phy_get(struct device *dev, const char *string);
struct phy *devm_phy_optional_get(struct device *dev, const char *string);
phy_get and devm_phy_get can be used to get the PHY. In the case of dt boot,
the string arguments should contain the phy name as given in the dt data and
in the case of non-dt boot, it should contain the label of the PHY.
The only difference between the two APIs is that devm_phy_get associates the
device with the PHY using devres on successful PHY get. On driver detach,
release function is invoked on the the devres data and devres data is freed.
phy_get, phy_optional_get, devm_phy_get and devm_phy_optional_get can
be used to get the PHY. In the case of dt boot, the string arguments
should contain the phy name as given in the dt data and in the case of
non-dt boot, it should contain the label of the PHY. The two
devm_phy_get associates the device with the PHY using devres on
successful PHY get. On driver detach, release function is invoked on
the the devres data and devres data is freed. phy_optional_get and
devm_phy_optional_get should be used when the phy is optional. These
two functions will never return -ENODEV, but instead returns NULL when
the phy cannot be found.
It should be noted that NULL is a valid phy reference. All phy
consumer calls on the NULL phy become NOPs. That is the release calls,
the phy_init() and phy_exit() calls, and phy_power_on() and
phy_power_off() calls are all NOP when applied to a NULL phy. The NULL
phy is useful in devices for handling optional phy devices.
5. Releasing a reference to the PHY

6
Documentation/power/00-INDEX
View File

@ -4,6 +4,8 @@ apm-acpi.txt
- basic info about the APM and ACPI support.
basic-pm-debugging.txt
- Debugging suspend and resume
charger-manager.txt
- Battery charger management.
devices.txt
- How drivers interact with system-wide power management
drivers-testing.txt
@ -22,6 +24,8 @@ pm_qos_interface.txt
- info on Linux PM Quality of Service interface
power_supply_class.txt
- Tells userspace about battery, UPS, AC or DC power supply properties
runtime_pm.txt
- Power management framework for I/O devices.
s2ram.txt
- How to get suspend to ram working (and debug it when it isn't)
states.txt
@ -38,7 +42,5 @@ tricks.txt
- How to trick software suspend (to disk) into working when it isn't
userland-swsusp.txt
- Experimental implementation of software suspend in userspace
video_extension.txt
- ACPI video extensions
video.txt
- Video issues during resume from suspend

11
Documentation/ptp/testptp.c
View File

@ -117,6 +117,7 @@ static void usage(char *progname)
" -f val adjust the ptp clock frequency by 'val' ppb\n"
" -g get the ptp clock time\n"
" -h prints this message\n"
" -i val index for event/trigger\n"
" -k val measure the time offset between system and phc clock\n"
" for 'val' times (Maximum 25)\n"
" -p val enable output with a period of 'val' nanoseconds\n"
@ -154,6 +155,7 @@ int main(int argc, char *argv[])
int capabilities = 0;
int extts = 0;
int gettime = 0;
int index = 0;
int oneshot = 0;
int pct_offset = 0;
int n_samples = 0;
@ -167,7 +169,7 @@ int main(int argc, char *argv[])
progname = strrchr(argv[0], '/');
progname = progname ? 1+progname : argv[0];
while (EOF != (c = getopt(argc, argv, "a:A:cd:e:f:ghk:p:P:sSt:v"))) {
while (EOF != (c = getopt(argc, argv, "a:A:cd:e:f:ghi:k:p:P:sSt:v"))) {
switch (c) {
case 'a':
oneshot = atoi(optarg);
@ -190,6 +192,9 @@ int main(int argc, char *argv[])
case 'g':
gettime = 1;
break;
case 'i':
index = atoi(optarg);
break;
case 'k':
pct_offset = 1;
n_samples = atoi(optarg);
@ -301,7 +306,7 @@ int main(int argc, char *argv[])
if (extts) {
memset(&extts_request, 0, sizeof(extts_request));
extts_request.index = 0;
extts_request.index = index;
extts_request.flags = PTP_ENABLE_FEATURE;
if (ioctl(fd, PTP_EXTTS_REQUEST, &extts_request)) {
perror("PTP_EXTTS_REQUEST");
@ -375,7 +380,7 @@ int main(int argc, char *argv[])
return -1;
}
memset(&perout_request, 0, sizeof(perout_request));
perout_request.index = 0;
perout_request.index = index;
perout_request.start.sec = ts.tv_sec + 2;
perout_request.start.nsec = 0;
perout_request.period.sec = 0;

8
Documentation/s390/00-INDEX
View File

@ -16,11 +16,13 @@ Debugging390.txt
- hints for debugging on s390 systems.
driver-model.txt
- information on s390 devices and the driver model.
kvm.txt
- ioctl calls to /dev/kvm on s390.
monreader.txt
- information on accessing the z/VM monitor stream from Linux.
qeth.txt
- HiperSockets Bridge Port Support.
s390dbf.txt
- information on using the s390 debug feature.
TAPE
- information on the driver for channel-attached tapes.
zfcpdump
zfcpdump.txt
- information on the s390 SCSI dump tool.

2
Documentation/scheduler/00-INDEX
View File

@ -2,6 +2,8 @@
- this file.
sched-arch.txt
- CPU Scheduler implementation hints for architecture specific code.
sched-bwc.txt
- CFS bandwidth control overview.
sched-design-CFS.txt
- goals, design and implementation of the Completely Fair Scheduler.
sched-domains.txt

16
Documentation/scsi/00-INDEX
View File

@ -36,6 +36,8 @@ NinjaSCSI.txt
- info on WorkBiT NinjaSCSI-32/32Bi driver
aacraid.txt
- Driver supporting Adaptec RAID controllers
advansys.txt
- List of Advansys Host Adapters
aha152x.txt
- info on driver for Adaptec AHA152x based adapters
aic79xx.txt
@ -44,6 +46,12 @@ aic7xxx.txt
- info on driver for Adaptec controllers
arcmsr_spec.txt
- ARECA FIRMWARE SPEC (for IOP331 adapter)
bfa.txt
- Brocade FC/FCOE adapter driver.
bnx2fc.txt
- FCoE hardware offload for Broadcom network interfaces.
cxgb3i.txt
- Chelsio iSCSI Linux Driver
dc395x.txt
- README file for the dc395x SCSI driver
dpti.txt
@ -52,18 +60,24 @@ dtc3x80.txt
- info on driver for DTC 2x80 based adapters
g_NCR5380.txt
- info on driver for NCR5380 and NCR53c400 based adapters
hpsa.txt
- HP Smart Array Controller SCSI driver.
hptiop.txt
- HIGHPOINT ROCKETRAID 3xxx RAID DRIVER
in2000.txt
- info on in2000 driver
libsas.txt
- Serial Attached SCSI management layer.
link_power_management_policy.txt
- Link power management options.
lpfc.txt
- LPFC driver release notes
megaraid.txt
- Common Management Module, shared code handling ioctls for LSI drivers
ncr53c8xx.txt
- info on driver for NCR53c8xx based adapters
osd.txt
Object-Based Storage Device, command set introduction.
osst.txt
- info on driver for OnStream SC-x0 SCSI tape
ppa.txt
@ -74,6 +88,8 @@ scsi-changer.txt
- README for the SCSI media changer driver
scsi-generic.txt
- info on the sg driver for generic (non-disk/CD/tape) SCSI devices.
scsi-parameters.txt
- List of SCSI-parameters to pass to the kernel at module load-time.
scsi.txt
- short blurb on using SCSI support as a module.
scsi_mid_low_api.txt

6
Documentation/serial/00-INDEX
View File

@ -4,10 +4,12 @@ README.cycladesZ
- info on Cyclades-Z firmware loading.
digiepca.txt
- info on Digi Intl. {PC,PCI,EISA}Xx and Xem series cards.
hayes-esp.txt
- info on using the Hayes ESP serial driver.
driver
- intro to the low level serial driver.
moxa-smartio
- file with info on installing/using Moxa multiport serial driver.
n_gsm.txt
- GSM 0710 tty multiplexer howto.
riscom8.txt
- notes on using the RISCom/8 multi-port serial driver.
rocket.txt

22
Documentation/spi/00-INDEX Normal file
View File

@ -0,0 +1,22 @@
00-INDEX
- this file.
Makefile
- Makefile for the example sourcefiles.
butterfly
- AVR Butterfly SPI driver overview and pin configuration.
ep93xx_spi
- Basic EP93xx SPI driver configuration.
pxa2xx
- PXA2xx SPI master controller build by spi_message fifo wq
spidev
- Intro to the userspace API for spi devices
spidev_fdx.c
- spidev example file
spi-lm70llp
- Connecting an LM70-LLP sensor to the kernel via the SPI subsys.
spi-sc18is602
- NXP SC18IS602/603 I2C-bus to SPI bridge
spi-summary
- (Linux) SPI overview. If unsure about SPI or SPI in Linux, start here.
spidev_test.c
- SPI testing utility.

17
Documentation/spi/spi-summary
View File

@ -543,7 +543,22 @@ SPI MASTER METHODS
queuing transfers that arrive in the meantime. When the driver is
finished with this message, it must call
spi_finalize_current_message() so the subsystem can issue the next
transfer. This may sleep.
message. This may sleep.
master->transfer_one(struct spi_master *master, struct spi_device *spi,
struct spi_transfer *transfer)
The subsystem calls the driver to transfer a single transfer while
queuing transfers that arrive in the meantime. When the driver is
finished with this transfer, it must call
spi_finalize_current_transfer() so the subsystem can issue the next
transfer. This may sleep. Note: transfer_one and transfer_one_message
are mutually exclusive; when both are set, the generic subsystem does
not call your transfer_one callback.
Return values:
negative errno: error
0: transfer is finished
1: transfer is still in progress
DEPRECATED METHODS

2
Documentation/timers/00-INDEX
View File

@ -8,6 +8,8 @@ hpet_example.c
- sample hpet timer test program
hrtimers.txt
- subsystem for high-resolution kernel timers
Makefile
- Build and link hpet_example
NO_HZ.txt
- Summary of the different methods for the scheduler clock-interrupts management.
timers-howto.txt

2
Documentation/virtual/kvm/00-INDEX
View File

@ -20,5 +20,7 @@ ppc-pv.txt
- the paravirtualization interface on PowerPC.
review-checklist.txt
- review checklist for KVM patches.
s390-diag.txt
- Diagnose hypercall description (for IBM S/390)
timekeeping.txt
- timekeeping virtualization for x86-based architectures.

4
Documentation/vm/00-INDEX
View File

@ -16,8 +16,6 @@ hwpoison.txt
- explains what hwpoison is
ksm.txt
- how to use the Kernel Samepage Merging feature.
locking
- info on how locking and synchronization is done in the Linux vm code.
numa
- information about NUMA specific code in the Linux vm.
numa_memory_policy.txt
@ -32,6 +30,8 @@ slub.txt
- a short users guide for SLUB.
soft-dirty.txt
- short explanation for soft-dirty PTEs
split_page_table_lock
- Separate per-table lock to improve scalability of the old page_table_lock.
transhuge.txt
- Transparent Hugepage Support, alternative way of using hugepages.
unevictable-lru.txt

4
Documentation/w1/masters/00-INDEX
View File

@ -4,7 +4,9 @@ ds2482
- The Maxim/Dallas Semiconductor DS2482 provides 1-wire busses.
ds2490
- The Maxim/Dallas Semiconductor DS2490 builds USB <-> W1 bridges.
mxc_w1
mxc-w1
- W1 master controller driver found on Freescale MX2/MX3 SoCs
omap-hdq
- HDQ/1-wire module of TI OMAP 2430/3430.
w1-gpio
- GPIO 1-wire bus master driver.

2
Documentation/w1/slaves/00-INDEX
View File

@ -4,3 +4,5 @@ w1_therm
- The Maxim/Dallas Semiconductor ds18*20 temperature sensor.
w1_ds2423
- The Maxim/Dallas Semiconductor ds2423 counter device.
w1_ds28e04
- The Maxim/Dallas Semiconductor ds28e04 eeprom.

18
Documentation/x86/00-INDEX
View File

@ -1,6 +1,20 @@
00-INDEX
- this file
mtrr.txt
- how to use x86 Memory Type Range Registers to increase performance
boot.txt
- List of boot protocol versions
early-microcode.txt
- How to load microcode from an initrd-CPIO archive early to fix CPU issues.
earlyprintk.txt
- Using earlyprintk with a USB2 debug port key.
entry_64.txt
- Describe (some of the) kernel entry points for x86.
exception-tables.txt
- why and how Linux kernel uses exception tables on x86
mtrr.txt
- how to use x86 Memory Type Range Registers to increase performance
pat.txt
- Page Attribute Table intro and API
usb-legacy-support.txt
- how to fix/avoid quirks when using emulated PS/2 mouse/keyboard.
zero-page.txt
- layout of the first page of memory.

65
Documentation/zh_CN/arm64/booting.txt
View File

@ -7,7 +7,7 @@ help. Contact the Chinese maintainer if this translation is outdated
or if there is a problem with the translation.
Maintainer: Will Deacon <will.deacon@arm.com>
Chinese maintainer: Fu Wei <tekkamanninja@gmail.com>
Chinese maintainer: Fu Wei <wefu@redhat.com>
---------------------------------------------------------------------
Documentation/arm64/booting.txt 的中文翻译
@ -16,9 +16,9 @@ Documentation/arm64/booting.txt 的中文翻译
译存在问题，请联系中文版维护者。
英文版维护者： Will Deacon <will.deacon@arm.com>
中文版维护者： 傅炜 Fu Wei <tekkamanninja@gmail.com>
中文版翻译者： 傅炜 Fu Wei <tekkamanninja@gmail.com>
中文版校译者： 傅炜 Fu Wei <tekkamanninja@gmail.com>
中文版维护者： 傅炜 Fu Wei <wefu@redhat.com>
中文版翻译者： 傅炜 Fu Wei <wefu@redhat.com>
中文版校译者： 傅炜 Fu Wei <wefu@redhat.com>
以下为正文
---------------------------------------------------------------------
@ -64,8 +64,8 @@ RAM，或可能使用对这个设备已知的 RAM 信息，还可能使用任何
必要性: 强制
设备树数据块（dtb）大小必须不大于 2 MB，且位于从内核映像起始算起第一个
512MB 内的 2MB 边界上。这使得内核可以通过初始页表中的单个节描述符来
设备树数据块（dtb）必须 8 字节对齐，并位于从内核映像起始算起第一个 512MB
内，且不得跨越 2MB 对齐边界。这使得内核可以通过初始页表中的单个节描述符来
映射此数据块。
@ -84,13 +84,23 @@ AArch64 内核当前没有提供自解压代码，因此如果使用了压缩内
必要性: 强制
已解压的内核映像包含一个 32 字节的头，内容如下：
已解压的内核映像包含一个 64 字节的头，内容如下：
u32 magic = 0x14000008; /* 跳转到 stext, 小端 */
u32 res0 = 0; /* 保留 */
u32 code0; /* 可执行代码 */
u32 code1; /* 可执行代码 */
u64 text_offset; /* 映像装载偏移 */
u64 res0 = 0; /* 保留 */
u64 res1 = 0; /* 保留 */
u64 res2 = 0; /* 保留 */
u64 res3 = 0; /* 保留 */
u64 res4 = 0; /* 保留 */
u32 magic = 0x644d5241; /* 魔数, 小端, "ARM\x64" */
u32 res5 = 0; /* 保留 */
映像头注释：
- code0/code1 负责跳转到 stext.
映像必须位于系统 RAM 起始处的特定偏移（当前是 0x80000）。系统 RAM
的起始地址必须是以 2MB 对齐的。
@ -118,9 +128,9 @@ AArch64 内核当前没有提供自解压代码，因此如果使用了压缩内
外部高速缓存（如果存在）必须配置并禁用。
- 架构计时器
CNTFRQ 必须设定为计时器的频率。
如果在 EL1 模式下进入内核，则 CNTHCTL_EL2 中的 EL1PCTEN (bit 0)
必须置位。
CNTFRQ 必须设定为计时器的频率，且 CNTVOFF 必须设定为对所有 CPU
都一致的值。如果在 EL1 模式下进入内核，则 CNTHCTL_EL2 中的
EL1PCTEN (bit 0) 必须置位。
- 一致性
通过内核启动的所有 CPU 在内核入口地址上必须处于相同的一致性域中。
@ -131,23 +141,40 @@ AArch64 内核当前没有提供自解压代码，因此如果使用了压缩内
在进入内核映像的异常级中，所有构架中可写的系统寄存器必须通过软件
在一个更高的异常级别下初始化，以防止在 未知 状态下运行。
以上对于 CPU 模式、高速缓存、MMU、架构计时器、一致性、系统寄存器的
必要条件描述适用于所有 CPU。所有 CPU 必须在同一异常级别跳入内核。
引导装载程序必须在每个 CPU 处于以下状态时跳入内核入口：
- 主 CPU 必须直接跳入内核映像的第一条指令。通过此 CPU 传递的设备树
数据块必须在每个 CPU 节点中包含以下内容：
1、‘enable-method’属性。目前，此字段支持的值仅为字符串“spin-table”。
2、‘cpu-release-addr’标识一个 64-bit、初始化为零的内存位置。
数据块必须在每个 CPU 节点中包含一个 ‘enable-method’ 属性，所
支持的 enable-method 请见下文。
引导装载程序必须生成这些设备树属性，并在跳入内核入口之前将其插入
数据块。
- 任何辅助 CPU 必须在内存保留区（通过设备树中的 /memreserve/ 域传递
- enable-method 为 “spin-table” 的 CPU 必须在它们的 CPU
节点中包含一个 ‘cpu-release-addr’ 属性。这个属性标识了一个
64 位自然对齐且初始化为零的内存位置。
这些 CPU 必须在内存保留区（通过设备树中的 /memreserve/ 域传递
给内核）中自旋于内核之外，轮询它们的 cpu-release-addr 位置（必须
包含在保留区中）。可通过插入 wfe 指令来降低忙循环开销，而主 CPU 将
发出 sev 指令。当对 cpu-release-addr 所指位置的读取操作返回非零值
时，CPU 必须直接跳入此值所指向的地址。
时，CPU 必须跳入此值所指向的地址。此值为一个单独的 64 位小端值，
因此 CPU 须在跳转前将所读取的值转换为其本身的端模式。
- enable-method 为 “psci” 的 CPU 保持在内核外（比如，在
memory 节点中描述为内核空间的内存区外，或在通过设备树 /memreserve/
域中描述为内核保留区的空间中）。内核将会发起在 ARM 文档（编号
ARM DEN 0022A：用于 ARM 上的电源状态协调接口系统软件）中描述的
CPU_ON 调用来将 CPU 带入内核。
*译者注:到文档翻译时，此文档已更新为 ARM DEN 0022B。
设备树必须包含一个 ‘psci’ 节点，请参考以下文档：
Documentation/devicetree/bindings/arm/psci.txt
- 辅助 CPU 通用寄存器设置
x0 = 0 (保留，将来可能使用)

46
Documentation/zh_CN/arm64/memory.txt
View File

@ -7,7 +7,7 @@ help. Contact the Chinese maintainer if this translation is outdated
or if there is a problem with the translation.
Maintainer: Catalin Marinas <catalin.marinas@arm.com>
Chinese maintainer: Fu Wei <tekkamanninja@gmail.com>
Chinese maintainer: Fu Wei <wefu@redhat.com>
---------------------------------------------------------------------
Documentation/arm64/memory.txt 的中文翻译
@ -16,9 +16,9 @@ Documentation/arm64/memory.txt 的中文翻译
译存在问题，请联系中文版维护者。
英文版维护者： Catalin Marinas <catalin.marinas@arm.com>
中文版维护者： 傅炜 Fu Wei <tekkamanninja@gmail.com>
中文版翻译者： 傅炜 Fu Wei <tekkamanninja@gmail.com>
中文版校译者： 傅炜 Fu Wei <tekkamanninja@gmail.com>
中文版维护者： 傅炜 Fu Wei <wefu@redhat.com>
中文版翻译者： 傅炜 Fu Wei <wefu@redhat.com>
中文版校译者： 傅炜 Fu Wei <wefu@redhat.com>
以下为正文
---------------------------------------------------------------------
@ -41,7 +41,7 @@ AArch64 Linux 使用页大小为 4KB 的 3 级转换表配置，对于用户和
TTBR1 中，且从不写入 TTBR0。
AArch64 Linux 内存布局：
AArch64 Linux 在页大小为 4KB 时的内存布局：
起始地址 结束地址 大小 用途
-----------------------------------------------------------------------
@ -55,15 +55,42 @@ ffffffbc00000000 ffffffbdffffffff 8GB vmemmap
ffffffbe00000000 ffffffbffbbfffff ~8GB [防护页，未来用于 vmmemap]
ffffffbffbc00000 ffffffbffbdfffff 2MB earlyprintk 设备
ffffffbffbe00000 ffffffbffbe0ffff 64KB PCI I/O 空间
ffffffbbffff0000 ffffffbcffffffff ~2MB [防护页]
ffffffbffbe10000 ffffffbcffffffff ~2MB [防护页]
ffffffbffc000000 ffffffbfffffffff 64MB 模块
ffffffc000000000 ffffffffffffffff 256GB 内核逻辑内存映射
AArch64 Linux 在页大小为 64KB 时的内存布局：
起始地址 结束地址 大小 用途
-----------------------------------------------------------------------
0000000000000000 000003ffffffffff 4TB 用户空间
fffffc0000000000 fffffdfbfffeffff ~2TB vmalloc
fffffdfbffff0000 fffffdfbffffffff 64KB [防护页]
fffffdfc00000000 fffffdfdffffffff 8GB vmemmap
fffffdfe00000000 fffffdfffbbfffff ~8GB [防护页，未来用于 vmmemap]
fffffdfffbc00000 fffffdfffbdfffff 2MB earlyprintk 设备
fffffdfffbe00000 fffffdfffbe0ffff 64KB PCI I/O 空间
fffffdfffbe10000 fffffdfffbffffff ~2MB [防护页]
fffffdfffc000000 fffffdffffffffff 64MB 模块
fffffe0000000000 ffffffffffffffff 2TB 内核逻辑内存映射
4KB 页大小的转换表查找：
+--------+--------+--------+--------+--------+--------+--------+--------+
@ -91,3 +118,10 @@ ffffffc000000000 ffffffffffffffff 256GB 内核逻辑内存映射
| | +--------------------------> [41:29] L2 索引 (仅使用 38:29 )
| +-------------------------------> [47:42] L1 索引 (未使用)
+-------------------------------------------------> [63] TTBR0/1
当使用 KVM 时, 管理程序（hypervisor）在 EL2 中通过相对内核虚拟地址的
一个固定偏移来映射内核页（内核虚拟地址的高 24 位设为零）:
起始地址 结束地址 大小 用途
-----------------------------------------------------------------------
0000004000000000 0000007fffffffff 256GB 在 HYP 中映射的内核对象

52
Documentation/zh_CN/arm64/tagged-pointers.txt Normal file
View File

@ -0,0 +1,52 @@
Chinese translated version of Documentation/arm64/tagged-pointers.txt
If you have any comment or update to the content, please contact the
original document maintainer directly. However, if you have a problem
communicating in English you can also ask the Chinese maintainer for
help. Contact the Chinese maintainer if this translation is outdated
or if there is a problem with the translation.
Maintainer: Will Deacon <will.deacon@arm.com>
Chinese maintainer: Fu Wei <wefu@redhat.com>
---------------------------------------------------------------------
Documentation/arm64/tagged-pointers.txt 的中文翻译
如果想评论或更新本文的内容，请直接联系原文档的维护者。如果你使用英文
交流有困难的话，也可以向中文版维护者求助。如果本翻译更新不及时或者翻
译存在问题，请联系中文版维护者。
英文版维护者： Will Deacon <will.deacon@arm.com>
中文版维护者： 傅炜 Fu Wei <wefu@redhat.com>
中文版翻译者： 傅炜 Fu Wei <wefu@redhat.com>
中文版校译者： 傅炜 Fu Wei <wefu@redhat.com>
以下为正文
---------------------------------------------------------------------
Linux 在 AArch64 中带标记的虚拟地址
=================================
作者: Will Deacon <will.deacon@arm.com>
日期: 2013 年 06 月 12 日
本文档简述了在 AArch64 地址转换系统中提供的带标记的虚拟地址及其在
AArch64 Linux 中的潜在用途。
内核提供的地址转换表配置使通过 TTBR0 完成的虚拟地址转换（即用户空间
映射），其虚拟地址的最高 8 位（63:56）会被转换硬件所忽略。这种机制
让这些位可供应用程序自由使用，其注意事项如下：
(1) 内核要求所有传递到 EL1 的用户空间地址带有 0x00 标记。
这意味着任何携带用户空间虚拟地址的系统调用（syscall）
参数 *必须* 在陷入内核前使它们的最高字节被清零。
(2) 非零标记在传递信号时不被保存。这意味着在应用程序中利用了
标记的信号处理函数无法依赖 siginfo_t 的用户空间虚拟
地址所携带的包含其内部域信息的标记。此规则的一个例外是
当信号是在调试观察点的异常处理程序中产生的，此时标记的
信息将被保存。
(3) 当使用带标记的指针时需特别留心，因为仅对两个虚拟地址
的高字节，C 编译器很可能无法判断它们是不同的。
此构架会阻止对带标记的 PC 指针的利用，因此在异常返回时，其高字节
将被设置成一个为 “55” 的扩展符。

21
MAINTAINERS
View File

@ -1860,6 +1860,7 @@ F: drivers/net/ethernet/broadcom/bnx2x/
BROADCOM BCM281XX/BCM11XXX ARM ARCHITECTURE
M: Christian Daudt <bcm@fixthebug.org>
M: Matt Porter <mporter@linaro.org>
L: bcm-kernel-feedback-list@broadcom.com
T: git git://git.github.com/broadcom/bcm11351
S: Maintained
@ -2367,7 +2368,7 @@ F: include/linux/cpufreq.h
CPU FREQUENCY DRIVERS - ARM BIG LITTLE
M: Viresh Kumar <viresh.kumar@linaro.org>
M: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
M: Sudeep Holla <sudeep.holla@arm.com>
L: cpufreq@vger.kernel.org
L: linux-pm@vger.kernel.org
W: http://www.arm.com/products/processors/technologies/biglittleprocessing.php
@ -2408,8 +2409,10 @@ F: tools/power/cpupower/
CPUSETS
M: Li Zefan <lizefan@huawei.com>
L: cgroups@vger.kernel.org
W: http://www.bullopensource.org/cpuset/
W: http://oss.sgi.com/projects/cpusets/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
S: Maintained
F: Documentation/cgroups/cpusets.txt
F: include/linux/cpuset.h
@ -2857,7 +2860,7 @@ M: Jani Nikula <jani.nikula@linux.intel.com>
L: intel-gfx@lists.freedesktop.org
L: dri-devel@lists.freedesktop.org
Q: http://patchwork.freedesktop.org/project/intel-gfx/
T: git git://people.freedesktop.org/~danvet/drm-intel
T: git git://anongit.freedesktop.org/drm-intel
S: Supported
F: drivers/gpu/drm/i915/
F: include/drm/i915*
@ -3324,6 +3327,17 @@ S: Maintained
F: include/linux/netfilter_bridge/
F: net/bridge/
ETHERNET PHY LIBRARY
M: Florian Fainelli <f.fainelli@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: include/linux/phy.h
F: include/linux/phy_fixed.h
F: drivers/net/phy/
F: Documentation/networking/phy.txt
F: drivers/of/of_mdio.c
F: drivers/of/of_net.c
EXT2 FILE SYSTEM
M: Jan Kara <jack@suse.cz>
L: linux-ext4@vger.kernel.org
@ -7196,7 +7210,7 @@ S: Maintained
F: drivers/net/ethernet/rdc/r6040.c
RDS - RELIABLE DATAGRAM SOCKETS
M: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
M: Chien Yen <chien.yen@oracle.com>
L: rds-devel@oss.oracle.com (moderated for non-subscribers)
S: Supported
F: net/rds/
@ -9715,7 +9729,6 @@ F: drivers/xen/*swiotlb*
XFS FILESYSTEM
P: Silicon Graphics Inc
M: Dave Chinner <david@fromorbit.com>
M: Ben Myers <bpm@sgi.com>
M: xfs@oss.sgi.com
L: xfs@oss.sgi.com
W: http://oss.sgi.com/projects/xfs

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 14
SUBLEVEL = 0
EXTRAVERSION = -rc1
EXTRAVERSION = -rc4
NAME = Shuffling Zombie Juror
# *DOCUMENTATION*

4
arch/arm/boot/dts/Makefile
View File

@ -38,6 +38,7 @@ dtb-$(CONFIG_ARCH_AT91) += at91sam9g35ek.dtb
dtb-$(CONFIG_ARCH_AT91) += at91sam9x25ek.dtb
dtb-$(CONFIG_ARCH_AT91) += at91sam9x35ek.dtb
# sama5d3
dtb-$(CONFIG_ARCH_AT91) += at91-sama5d3_xplained.dtb
dtb-$(CONFIG_ARCH_AT91) += sama5d31ek.dtb
dtb-$(CONFIG_ARCH_AT91) += sama5d33ek.dtb
dtb-$(CONFIG_ARCH_AT91) += sama5d34ek.dtb
@ -208,7 +209,8 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
omap3-n900.dtb \
omap3-n9.dtb \
omap3-n950.dtb \
omap3-tobi.dtb \
omap3-overo-tobi.dtb \
omap3-overo-storm-tobi.dtb \
omap3-gta04.dtb \
omap3-igep0020.dtb \
omap3-igep0030.dtb \

11
arch/arm/boot/dts/am335x-evmsk.dts
View File

@ -121,7 +121,7 @@
ti,model = "AM335x-EVMSK";
ti,audio-codec = <&tlv320aic3106>;
ti,mcasp-controller = <&mcasp1>;
ti,codec-clock-rate = <24576000>;
ti,codec-clock-rate = <24000000>;
ti,audio-routing =
"Headphone Jack", "HPLOUT",
"Headphone Jack", "HPROUT";
@ -256,6 +256,12 @@
>;
};
mmc1_pins: pinmux_mmc1_pins {
pinctrl-single,pins = <
0x160 (PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
>;
};
mcasp1_pins: mcasp1_pins {
pinctrl-single,pins = <
0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_crs.mcasp1_aclkx */
@ -456,6 +462,9 @@
status = "okay";
vmmc-supply = <&vmmc_reg>;
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
};
&sham {

3
arch/arm/boot/dts/armada-xp-mv78260.dtsi
View File

@ -23,6 +23,7 @@
gpio0 = &gpio0;
gpio1 = &gpio1;
gpio2 = &gpio2;
eth3 = &eth3;
};
cpus {
@ -291,7 +292,7 @@
interrupts = <91>;
};
ethernet@34000 {
eth3: ethernet@34000 {
compatible = "marvell,armada-370-neta";
reg = <0x34000 0x4000>;
interrupts = <14>;

229
arch/arm/boot/dts/at91-sama5d3_xplained.dts Normal file
View File

@ -0,0 +1,229 @@
/*
* at91-sama5d3_xplained.dts - Device Tree file for the SAMA5D3 Xplained board
*
* Copyright (C) 2014 Atmel,
* 2014 Nicolas Ferre <nicolas.ferre@atmel.com>
*
* Licensed under GPLv2 or later.
*/
/dts-v1/;
#include "sama5d36.dtsi"
/ {
model = "SAMA5D3 Xplained";
compatible = "atmel,sama5d3-xplained", "atmel,sama5d3", "atmel,sama5";
chosen {
bootargs = "console=ttyS0,115200";
};
memory {
reg = <0x20000000 0x10000000>;
};
ahb {
apb {
mmc0: mmc@f0000000 {
pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_dat4_7 &pinctrl_mmc0_cd>;
status = "okay";
slot@0 {
reg = <0>;
bus-width = <8>;
cd-gpios = <&pioE 0 GPIO_ACTIVE_LOW>;
};
};
spi0: spi@f0004000 {
cs-gpios = <&pioD 13 0>;
status = "okay";
};
can0: can@f000c000 {
status = "okay";
};
i2c0: i2c@f0014000 {
status = "okay";
};
i2c1: i2c@f0018000 {
status = "okay";
};
macb0: ethernet@f0028000 {
phy-mode = "rgmii";
status = "okay";
};
usart0: serial@f001c000 {
status = "okay";
};
usart1: serial@f0020000 {
pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
status = "okay";
};
uart0: serial@f0024000 {
status = "okay";
};
mmc1: mmc@f8000000 {
pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3 &pinctrl_mmc1_cd>;
status = "okay";
slot@0 {
reg = <0>;
bus-width = <4>;
cd-gpios = <&pioE 1 GPIO_ACTIVE_HIGH>;
};
};
spi1: spi@f8008000 {
cs-gpios = <&pioC 25 0>, <0>, <0>, <&pioD 16 0>;
status = "okay";
};
adc0: adc@f8018000 {
pinctrl-0 = <
&pinctrl_adc0_adtrg
&pinctrl_adc0_ad0
&pinctrl_adc0_ad1
&pinctrl_adc0_ad2
&pinctrl_adc0_ad3
&pinctrl_adc0_ad4
&pinctrl_adc0_ad5
&pinctrl_adc0_ad6
&pinctrl_adc0_ad7
&pinctrl_adc0_ad8
&pinctrl_adc0_ad9
>;
status = "okay";
};
i2c2: i2c@f801c000 {
dmas = <0>, <0>; /* Do not use DMA for i2c2 */
status = "okay";
};
macb1: ethernet@f802c000 {
phy-mode = "rmii";
status = "okay";
};
dbgu: serial@ffffee00 {
status = "okay";
};
pinctrl@fffff200 {
board {
pinctrl_mmc0_cd: mmc0_cd {
atmel,pins =
<AT91_PIOE 0 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
};
pinctrl_mmc1_cd: mmc1_cd {
atmel,pins =
<AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
};
pinctrl_usba_vbus: usba_vbus {
atmel,pins =
<AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PE9, conflicts with A9 */
};
};
};
pmc: pmc@fffffc00 {
main: mainck {
clock-frequency = <12000000>;
};
};
};
nand0: nand@60000000 {
nand-bus-width = <8>;
nand-ecc-mode = "hw";
atmel,has-pmecc;
atmel,pmecc-cap = <4>;
atmel,pmecc-sector-size = <512>;
nand-on-flash-bbt;
status = "okay";
at91bootstrap@0 {
label = "at91bootstrap";
reg = <0x0 0x40000>;
};
bootloader@40000 {
label = "bootloader";
reg = <0x40000 0x80000>;
};
bootloaderenv@c0000 {
label = "bootloader env";
reg = <0xc0000 0xc0000>;
};
dtb@180000 {
label = "device tree";
reg = <0x180000 0x80000>;
};
kernel@200000 {
label = "kernel";
reg = <0x200000 0x600000>;
};
rootfs@800000 {
label = "rootfs";
reg = <0x800000 0x0f800000>;
};
};
usb0: gadget@00500000 {
atmel,vbus-gpio = <&pioE 9 GPIO_ACTIVE_HIGH>; /* PE9, conflicts with A9 */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usba_vbus>;
status = "okay";
};
usb1: ohci@00600000 {
num-ports = <3>;
atmel,vbus-gpio = <0
&pioE 3 GPIO_ACTIVE_LOW
&pioE 4 GPIO_ACTIVE_LOW
>;
status = "okay";
};
usb2: ehci@00700000 {
status = "okay";
};
};
gpio_keys {
compatible = "gpio-keys";
bp3 {
label = "PB_USER";
gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
linux,code = <0x104>;
gpio-key,wakeup;
};
};
leds {
compatible = "gpio-leds";
d2 {
label = "d2";
gpios = <&pioE 23 GPIO_ACTIVE_LOW>; /* PE23, conflicts with A23, CTS2 */
linux,default-trigger = "heartbeat";
};
d3 {
label = "d3";
gpios = <&pioE 24 GPIO_ACTIVE_HIGH>;
};
};
};

2
arch/arm/boot/dts/at91sam9263.dtsi
View File

@ -523,7 +523,7 @@
};
i2c0: i2c@fff88000 {
compatible = "atmel,at91sam9263-i2c";
compatible = "atmel,at91sam9260-i2c";
reg = <0xfff88000 0x100>;
interrupts = <13 IRQ_TYPE_LEVEL_HIGH 6>;
#address-cells = <1>;

4
arch/arm/boot/dts/at91sam9n12ek.dts
View File

@ -124,6 +124,10 @@
nand-on-flash-bbt;
status = "okay";
};
usb0: ohci@00500000 {
status = "okay";
};
};
leds {

11
arch/arm/boot/dts/dove.dtsi
View File

@ -379,15 +379,6 @@
#clock-cells = <1>;
};
pmu_intc: pmu-interrupt-ctrl@d0050 {
compatible = "marvell,dove-pmu-intc";
interrupt-controller;
#interrupt-cells = <1>;
reg = <0xd0050 0x8>;
interrupts = <33>;
marvell,#interrupts = <7>;
};
pinctrl: pin-ctrl@d0200 {
compatible = "marvell,dove-pinctrl";
reg = <0xd0200 0x10>;
@ -610,8 +601,6 @@
rtc: real-time-clock@d8500 {
compatible = "marvell,orion-rtc";
reg = <0xd8500 0x20>;
interrupt-parent = <&pmu_intc>;
interrupts = <5>;
};
gpio2: gpio-ctrl@e8400 {

10
arch/arm/boot/dts/imx6dl-hummingboard.dts
View File

@ -52,12 +52,6 @@
};
};
codec: spdif-transmitter {
compatible = "linux,spdif-dit";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hummingboard_spdif>;
};
sound-spdif {
compatible = "fsl,imx-audio-spdif";
model = "imx-spdif";
@ -111,7 +105,7 @@
};
pinctrl_hummingboard_spdif: hummingboard-spdif {
fsl,pins = <MX6QDL_PAD_GPIO_17__SPDIF_OUT 0x1b0b0>;
fsl,pins = <MX6QDL_PAD_GPIO_17__SPDIF_OUT 0x13091>;
};
pinctrl_hummingboard_usbh1_vbus: hummingboard-usbh1-vbus {
@ -142,6 +136,8 @@
};
&spdif {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hummingboard_spdif>;
status = "okay";
};

10
arch/arm/boot/dts/imx6qdl-cubox-i.dtsi
View File

@ -46,12 +46,6 @@
};
};
codec: spdif-transmitter {
compatible = "linux,spdif-dit";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_cubox_i_spdif>;
};
sound-spdif {
compatible = "fsl,imx-audio-spdif";
model = "imx-spdif";
@ -89,7 +83,7 @@
};
pinctrl_cubox_i_spdif: cubox-i-spdif {
fsl,pins = <MX6QDL_PAD_GPIO_17__SPDIF_OUT 0x1b0b0>;
fsl,pins = <MX6QDL_PAD_GPIO_17__SPDIF_OUT 0x13091>;
};
pinctrl_cubox_i_usbh1_vbus: cubox-i-usbh1-vbus {
@ -121,6 +115,8 @@
};
&spdif {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_cubox_i_spdif>;
status = "okay";
};

6
arch/arm/boot/dts/omap3-gta04.dts
View File

@ -32,7 +32,7 @@
aux-button {
label = "aux";
linux,code = <169>;
gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
gpio-key,wakeup;
};
};
@ -92,6 +92,8 @@
bmp085@77 {
compatible = "bosch,bmp085";
reg = <0x77>;
interrupt-parent = <&gpio4>;
interrupts = <17 IRQ_TYPE_EDGE_RISING>;
};
/* leds */
@ -141,8 +143,8 @@
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
vmmc-supply = <&vmmc1>;
vmmc_aux-supply = <&vsim>;
bus-width = <4>;
ti,non-removable;
};
&mmc2 {

2
arch/arm/boot/dts/omap3-n9.dts
View File

@ -14,5 +14,5 @@
/ {
model = "Nokia N9";
compatible = "nokia,omap3-n9", "ti,omap3";
compatible = "nokia,omap3-n9", "ti,omap36xx", "ti,omap3";
};

4
arch/arm/boot/dts/omap3-n900.dts
View File

@ -1,6 +1,6 @@
/*
* Copyright (C) 2013 Pavel Machek <pavel@ucw.cz>
* Copyright 2013 Aaro Koskinen <aaro.koskinen@iki.fi>
* Copyright (C) 2013-2014 Aaro Koskinen <aaro.koskinen@iki.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 (or later) as
@ -13,7 +13,7 @@
/ {
model = "Nokia N900";
compatible = "nokia,omap3-n900", "ti,omap3";
compatible = "nokia,omap3-n900", "ti,omap3430", "ti,omap3";
cpus {
cpu@0 {

2
arch/arm/boot/dts/omap3-n950.dts
View File

@ -14,5 +14,5 @@
/ {
model = "Nokia N950";
compatible = "nokia,omap3-n950", "ti,omap3";
compatible = "nokia,omap3-n950", "ti,omap36xx", "ti,omap3";
};

22
arch/arm/boot/dts/omap3-overo-storm-tobi.dts Normal file
View File

@ -0,0 +1,22 @@
/*
* Copyright (C) 2012 Florian Vaussard, EPFL Mobots group
*
* 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.
*/
/*
* Tobi expansion board is manufactured by Gumstix Inc.
*/
/dts-v1/;
#include "omap36xx.dtsi"
#include "omap3-overo-tobi-common.dtsi"
/ {
model = "OMAP36xx/AM37xx/DM37xx Gumstix Overo on Tobi";
compatible = "gumstix,omap3-overo-tobi", "gumstix,omap3-overo", "ti,omap36xx", "ti,omap3";
};

3
arch/arm/boot/dts/omap3-tobi.dts → arch/arm/boot/dts/omap3-overo-tobi-common.dtsi
View File

@ -13,9 +13,6 @@
#include "omap3-overo.dtsi"
/ {
model = "TI OMAP3 Gumstix Overo on Tobi";
compatible = "ti,omap3-tobi", "ti,omap3-overo", "ti,omap3";
leds {
compatible = "gpio-leds";
heartbeat {

22
arch/arm/boot/dts/omap3-overo-tobi.dts Normal file
View File

@ -0,0 +1,22 @@
/*
* Copyright (C) 2012 Florian Vaussard, EPFL Mobots group
*
* 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.
*/
/*
* Tobi expansion board is manufactured by Gumstix Inc.
*/
/dts-v1/;
#include "omap34xx.dtsi"
#include "omap3-overo-tobi-common.dtsi"
/ {
model = "OMAP35xx Gumstix Overo on Tobi";
compatible = "gumstix,omap3-overo-tobi", "gumstix,omap3-overo", "ti,omap3430", "ti,omap3";
};

3
arch/arm/boot/dts/omap3-overo.dtsi
View File

@ -9,9 +9,6 @@
/*
* The Gumstix Overo must be combined with an expansion board.
*/
/dts-v1/;
#include "omap34xx.dtsi"
/ {
pwmleds {

2
arch/arm/boot/dts/sama5d3.dtsi
View File

@ -1228,7 +1228,7 @@
compatible = "atmel,at91rm9200-ohci", "usb-ohci";
reg = <0x00600000 0x100000>;
interrupts = <32 IRQ_TYPE_LEVEL_HIGH 2>;
clocks = <&usb>, <&uhphs_clk>, <&udphs_clk>,
clocks = <&usb>, <&uhphs_clk>, <&uhphs_clk>,
<&uhpck>;
clock-names = "usb_clk", "ohci_clk", "hclk", "uhpck";
status = "disabled";

1
arch/arm/boot/dts/ste-href.dtsi
View File

@ -188,7 +188,6 @@
msp2: msp@80117000 {
pinctrl-names = "default";
pinctrl-0 = <&msp2_default_mode>;
status = "okay";
};
msp3: msp@80125000 {

4
arch/arm/boot/dts/sun4i-a10.dtsi
View File

@ -315,7 +315,7 @@
ranges;
emac: ethernet@01c0b000 {
compatible = "allwinner,sun4i-emac";
compatible = "allwinner,sun4i-a10-emac";
reg = <0x01c0b000 0x1000>;
interrupts = <55>;
clocks = <&ahb_gates 17>;
@ -323,7 +323,7 @@
};
mdio@01c0b080 {
compatible = "allwinner,sun4i-mdio";
compatible = "allwinner,sun4i-a10-mdio";
reg = <0x01c0b080 0x14>;
status = "disabled";
#address-cells = <1>;

4
arch/arm/boot/dts/sun5i-a10s.dtsi
View File

@ -278,7 +278,7 @@
ranges;
emac: ethernet@01c0b000 {
compatible = "allwinner,sun4i-emac";
compatible = "allwinner,sun4i-a10-emac";
reg = <0x01c0b000 0x1000>;
interrupts = <55>;
clocks = <&ahb_gates 17>;
@ -286,7 +286,7 @@
};
mdio@01c0b080 {
compatible = "allwinner,sun4i-mdio";
compatible = "allwinner,sun4i-a10-mdio";
reg = <0x01c0b080 0x14>;
status = "disabled";
#address-cells = <1>;

4
arch/arm/boot/dts/sun7i-a20.dtsi
View File

@ -340,7 +340,7 @@
ranges;
emac: ethernet@01c0b000 {
compatible = "allwinner,sun4i-emac";
compatible = "allwinner,sun4i-a10-emac";
reg = <0x01c0b000 0x1000>;
interrupts = <0 55 4>;
clocks = <&ahb_gates 17>;
@ -348,7 +348,7 @@
};
mdio@01c0b080 {
compatible = "allwinner,sun4i-mdio";
compatible = "allwinner,sun4i-a10-mdio";
reg = <0x01c0b080 0x14>;
status = "disabled";
#address-cells = <1>;

4
arch/arm/boot/dts/tegra114.dtsi
View File

@ -57,6 +57,8 @@
resets = <&tegra_car 27>;
reset-names = "dc";
nvidia,head = <0>;
rgb {
status = "disabled";
};
@ -72,6 +74,8 @@
resets = <&tegra_car 26>;
reset-names = "dc";
nvidia,head = <1>;
rgb {
status = "disabled";
};

4
arch/arm/boot/dts/tegra20.dtsi
View File

@ -94,6 +94,8 @@
resets = <&tegra_car 27>;
reset-names = "dc";
nvidia,head = <0>;
rgb {
status = "disabled";
};
@ -109,6 +111,8 @@
resets = <&tegra_car 26>;
reset-names = "dc";
nvidia,head = <1>;
rgb {
status = "disabled";
};

2
arch/arm/boot/dts/tegra30-cardhu.dtsi
View File

@ -28,7 +28,7 @@
compatible = "nvidia,cardhu", "nvidia,tegra30";
aliases {
rtc0 = "/i2c@7000d000/tps6586x@34";
rtc0 = "/i2c@7000d000/tps65911@2d";
rtc1 = "/rtc@7000e000";
};

4
arch/arm/boot/dts/tegra30.dtsi
View File

@ -170,6 +170,8 @@
resets = <&tegra_car 27>;
reset-names = "dc";
nvidia,head = <0>;
rgb {
status = "disabled";
};
@ -185,6 +187,8 @@
resets = <&tegra_car 26>;
reset-names = "dc";
nvidia,head = <1>;
rgb {
status = "disabled";
};

2
arch/arm/boot/dts/testcases/tests.dtsi
View File

@ -1,2 +0,0 @@
/include/ "tests-phandle.dtsi"
/include/ "tests-interrupts.dtsi"

4
arch/arm/boot/dts/versatile-pb.dts
View File

@ -1,4 +1,4 @@
/include/ "versatile-ab.dts"
#include <versatile-ab.dts>
/ {
model = "ARM Versatile PB";
@ -47,4 +47,4 @@
};
};
/include/ "testcases/tests.dtsi"
#include <testcases.dtsi>

1
arch/arm/configs/multi_v7_defconfig
View File

@ -29,6 +29,7 @@ CONFIG_ARCH_OMAP3=y
CONFIG_ARCH_OMAP4=y
CONFIG_SOC_OMAP5=y
CONFIG_SOC_AM33XX=y
CONFIG_SOC_DRA7XX=y
CONFIG_SOC_AM43XX=y
CONFIG_ARCH_ROCKCHIP=y
CONFIG_ARCH_SOCFPGA=y

1
arch/arm/include/asm/cacheflush.h
View File

@ -212,6 +212,7 @@ extern void copy_to_user_page(struct vm_area_struct *, struct page *,
static inline void __flush_icache_all(void)
{
__flush_icache_preferred();
dsb();
}
/*

15
arch/arm/include/asm/pgtable-3level.h
View File

@ -120,13 +120,16 @@
/*
* 2nd stage PTE definitions for LPAE.
*/
#define L_PTE_S2_MT_UNCACHED (_AT(pteval_t, 0x5) << 2) /* MemAttr[3:0] */
#define L_PTE_S2_MT_WRITETHROUGH (_AT(pteval_t, 0xa) << 2) /* MemAttr[3:0] */
#define L_PTE_S2_MT_WRITEBACK (_AT(pteval_t, 0xf) << 2) /* MemAttr[3:0] */
#define L_PTE_S2_RDONLY (_AT(pteval_t, 1) << 6) /* HAP[1] */
#define L_PTE_S2_RDWR (_AT(pteval_t, 3) << 6) /* HAP[2:1] */
#define L_PTE_S2_MT_UNCACHED (_AT(pteval_t, 0x0) << 2) /* strongly ordered */
#define L_PTE_S2_MT_WRITETHROUGH (_AT(pteval_t, 0xa) << 2) /* normal inner write-through */
#define L_PTE_S2_MT_WRITEBACK (_AT(pteval_t, 0xf) << 2) /* normal inner write-back */
#define L_PTE_S2_MT_DEV_SHARED (_AT(pteval_t, 0x1) << 2) /* device */
#define L_PTE_S2_MT_MASK (_AT(pteval_t, 0xf) << 2)
#define L_PMD_S2_RDWR (_AT(pmdval_t, 3) << 6) /* HAP[2:1] */
#define L_PTE_S2_RDONLY (_AT(pteval_t, 1) << 6) /* HAP[1] */
#define L_PTE_S2_RDWR (_AT(pteval_t, 3) << 6) /* HAP[2:1] */
#define L_PMD_S2_RDWR (_AT(pmdval_t, 3) << 6) /* HAP[2:1] */
/*
* Hyp-mode PL2 PTE definitions for LPAE.

15
arch/arm/include/asm/spinlock.h
View File

@ -37,18 +37,9 @@
static inline void dsb_sev(void)
{
#if __LINUX_ARM_ARCH__ >= 7
__asm__ __volatile__ (
"dsb ishst\n"
SEV
);
#else
__asm__ __volatile__ (
"mcr p15, 0, %0, c7, c10, 4\n"
SEV
: : "r" (0)
);
#endif
dsb(ishst);
__asm__(SEV);
}
/*

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

@ -731,7 +731,7 @@ static void __init request_standard_resources(const struct machine_desc *mdesc)
kernel_data.end = virt_to_phys(_end - 1);
for_each_memblock(memory, region) {
res = memblock_virt_alloc_low(sizeof(*res), 0);
res = memblock_virt_alloc(sizeof(*res), 0);
res->name = "System RAM";
res->start = __pfn_to_phys(memblock_region_memory_base_pfn(region));
res->end = __pfn_to_phys(memblock_region_memory_end_pfn(region)) - 1;

2
arch/arm/mach-hisi/Kconfig
View File

@ -8,7 +8,7 @@ config ARCH_HI3xxx
select CLKSRC_OF
select GENERIC_CLOCKEVENTS
select HAVE_ARM_SCU
select HAVE_ARM_TWD
select HAVE_ARM_TWD if SMP
select HAVE_SMP
select PINCTRL
select PINCTRL_SINGLE

2
arch/arm/mach-imx/Makefile
View File

@ -101,11 +101,9 @@ obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_SOC_IMX6Q) += clk-imx6q.o mach-imx6q.o
obj-$(CONFIG_SOC_IMX6SL) += clk-imx6sl.o mach-imx6sl.o
ifeq ($(CONFIG_PM),y)
obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o headsmp.o
# i.MX6SL reuses i.MX6Q code
obj-$(CONFIG_SOC_IMX6SL) += pm-imx6q.o headsmp.o
endif
# i.MX5 based machines
obj-$(CONFIG_MACH_MX51_BABBAGE) += mach-mx51_babbage.o

3
arch/arm/mach-imx/clk-imx6q.c
View File

@ -482,6 +482,9 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
if (IS_ENABLED(CONFIG_PCI_IMX6))
clk_set_parent(clk[lvds1_sel], clk[sata_ref]);
/* Set initial power mode */
imx6q_set_lpm(WAIT_CLOCKED);
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
base = of_iomap(np, 0);
WARN_ON(!base);

3
arch/arm/mach-imx/clk-imx6sl.c
View File

@ -266,6 +266,9 @@ static void __init imx6sl_clocks_init(struct device_node *ccm_node)
/* Audio-related clocks configuration */
clk_set_parent(clks[IMX6SL_CLK_SPDIF0_SEL], clks[IMX6SL_CLK_PLL3_PFD3]);
/* Set initial power mode */
imx6q_set_lpm(WAIT_CLOCKED);
np = of_find_compatible_node(NULL, NULL, "fsl,imx6sl-gpt");
base = of_iomap(np, 0);
WARN_ON(!base);

4
arch/arm/mach-imx/common.h
View File

@ -144,13 +144,11 @@ void imx6q_set_chicken_bit(void);
void imx_cpu_die(unsigned int cpu);
int imx_cpu_kill(unsigned int cpu);
#ifdef CONFIG_PM
void imx6q_pm_init(void);
void imx6q_pm_set_ccm_base(void __iomem *base);
#ifdef CONFIG_PM
void imx5_pm_init(void);
#else
static inline void imx6q_pm_init(void) {}
static inline void imx6q_pm_set_ccm_base(void __iomem *base) {}
static inline void imx5_pm_init(void) {}
#endif

2
arch/arm/mach-imx/pm-imx6q.c
View File

@ -236,8 +236,6 @@ void __init imx6q_pm_init(void)
regmap_update_bits(gpr, IOMUXC_GPR1, IMX6Q_GPR1_GINT,
IMX6Q_GPR1_GINT);
/* Set initial power mode */
imx6q_set_lpm(WAIT_CLOCKED);
suspend_set_ops(&imx6q_pm_ops);
}

1
arch/arm/mach-moxart/Kconfig
View File

@ -2,7 +2,6 @@ config ARCH_MOXART
bool "MOXA ART SoC" if ARCH_MULTI_V4T
select CPU_FA526
select ARM_DMA_MEM_BUFFERABLE
select DMA_OF
select USE_OF
select CLKSRC_OF
select CLKSRC_MMIO

1
arch/arm/mach-omap1/board-nokia770.c
View File

@ -156,6 +156,7 @@ static struct omap_usb_config nokia770_usb_config __initdata = {
.register_dev = 1,
.hmc_mode = 16,
.pins[0] = 6,
.extcon = "tahvo-usb",
};
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)

10
arch/arm/mach-omap2/Kconfig
View File

@ -50,11 +50,12 @@ config SOC_OMAP5
bool "TI OMAP5"
depends on ARCH_MULTI_V7
select ARCH_OMAP2PLUS
select ARCH_HAS_OPP
select ARM_CPU_SUSPEND if PM
select ARM_GIC
select CPU_V7
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if LOCAL_TIMERS
select HAVE_ARM_TWD if SMP
select HAVE_SMP
select HAVE_ARM_ARCH_TIMER
select ARM_ERRATA_798181 if SMP
@ -63,6 +64,7 @@ config SOC_AM33XX
bool "TI AM33XX"
depends on ARCH_MULTI_V7
select ARCH_OMAP2PLUS
select ARCH_HAS_OPP
select ARM_CPU_SUSPEND if PM
select CPU_V7
select MULTI_IRQ_HANDLER
@ -72,6 +74,7 @@ config SOC_AM43XX
depends on ARCH_MULTI_V7
select CPU_V7
select ARCH_OMAP2PLUS
select ARCH_HAS_OPP
select MULTI_IRQ_HANDLER
select ARM_GIC
select MACH_OMAP_GENERIC
@ -80,6 +83,7 @@ config SOC_DRA7XX
bool "TI DRA7XX"
depends on ARCH_MULTI_V7
select ARCH_OMAP2PLUS
select ARCH_HAS_OPP
select ARM_CPU_SUSPEND if PM
select ARM_GIC
select CPU_V7
@ -268,9 +272,6 @@ config MACH_OMAP_3430SDP
default y
select OMAP_PACKAGE_CBB
config MACH_NOKIA_N800
bool
config MACH_NOKIA_N810
bool
@ -281,7 +282,6 @@ config MACH_NOKIA_N8X0
bool "Nokia N800/N810"
depends on SOC_OMAP2420
default y
select MACH_NOKIA_N800
select MACH_NOKIA_N810
select MACH_NOKIA_N810_WIMAX
select OMAP_PACKAGE_ZAC

4
arch/arm/mach-omap2/gpmc.c
View File

@ -1339,7 +1339,7 @@ static void __maybe_unused gpmc_read_timings_dt(struct device_node *np,
of_property_read_bool(np, "gpmc,time-para-granularity");
}
#ifdef CONFIG_MTD_NAND
#if IS_ENABLED(CONFIG_MTD_NAND)
static const char * const nand_xfer_types[] = {
[NAND_OMAP_PREFETCH_POLLED] = "prefetch-polled",
@ -1429,7 +1429,7 @@ static int gpmc_probe_nand_child(struct platform_device *pdev,
}
#endif
#ifdef CONFIG_MTD_ONENAND
#if IS_ENABLED(CONFIG_MTD_ONENAND)
static int gpmc_probe_onenand_child(struct platform_device *pdev,
struct device_node *child)
{

9
arch/arm/mach-omap2/io.c
View File

@ -179,15 +179,6 @@ static struct map_desc omap34xx_io_desc[] __initdata = {
.length = L4_EMU_34XX_SIZE,
.type = MT_DEVICE
},
#if defined(CONFIG_DEBUG_LL) && \
(defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3))
{
.virtual = ZOOM_UART_VIRT,
.pfn = __phys_to_pfn(ZOOM_UART_BASE),
.length = SZ_1M,
.type = MT_DEVICE
},
#endif
};
#endif

1
arch/arm/mach-pxa/am300epd.c
View File

@ -30,6 +30,7 @@
#include <mach/gumstix.h>
#include <mach/mfp-pxa25x.h>
#include <mach/irqs.h>
#include <linux/platform_data/video-pxafb.h>
#include "generic.h"

2
arch/arm/mach-pxa/include/mach/balloon3.h
View File

@ -14,6 +14,8 @@
#ifndef ASM_ARCH_BALLOON3_H
#define ASM_ARCH_BALLOON3_H
#include "irqs.h" /* PXA_NR_BUILTIN_GPIO */
enum balloon3_features {
BALLOON3_FEATURE_OHCI,
BALLOON3_FEATURE_MMC,

1
arch/arm/mach-pxa/include/mach/corgi.h
View File

@ -13,6 +13,7 @@
#ifndef __ASM_ARCH_CORGI_H
#define __ASM_ARCH_CORGI_H 1
#include "irqs.h" /* PXA_NR_BUILTIN_GPIO */
/*
* Corgi (Non Standard) GPIO Definitions

2
arch/arm/mach-pxa/include/mach/csb726.h
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@ -11,6 +11,8 @@
#ifndef CSB726_H
#define CSB726_H
#include "irqs.h" /* PXA_GPIO_TO_IRQ */
#define CSB726_GPIO_IRQ_LAN 52
#define CSB726_GPIO_IRQ_SM501 53
#define CSB726_GPIO_MMC_DETECT 100

1
arch/arm/mach-pxa/include/mach/gumstix.h
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@ -6,6 +6,7 @@
* published by the Free Software Foundation.
*/
#include "irqs.h" /* PXA_GPIO_TO_IRQ */
/* BTRESET - Reset line to Bluetooth module, active low signal. */
#define GPIO_GUMSTIX_BTRESET 7

1
arch/arm/mach-pxa/include/mach/idp.h
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@ -23,6 +23,7 @@
* IDP hardware.
*/
#include "irqs.h" /* PXA_GPIO_TO_IRQ */
#define IDP_FLASH_PHYS (PXA_CS0_PHYS)
#define IDP_ALT_FLASH_PHYS (PXA_CS1_PHYS)

2
arch/arm/mach-pxa/include/mach/palmld.h
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@ -13,6 +13,8 @@
#ifndef _INCLUDE_PALMLD_H_
#define _INCLUDE_PALMLD_H_
#include "irqs.h" /* PXA_GPIO_TO_IRQ */
/** HERE ARE GPIOs **/
/* GPIOs */

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