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Linux 3.11-rc5 

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Merge tag 'v3.11-rc5' into sched/core

Merge Linux 3.11-rc5, to pick up the latest fixes.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2013-08-16 17:40:23 +02:00
parent 8f898fbbe5 d4e4ab86bc
commit d3ec3a1fd0
867 changed files with 12590 additions and 8104 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitignore vendored
View File

@ -29,6 +29,7 @@ modules.builtin
*.bz2
*.lzma
*.xz
*.lz4
*.lzo
*.patch
*.gcno

17
Documentation/ABI/testing/sysfs-driver-xen-blkback Normal file
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@ -0,0 +1,17 @@
What: /sys/module/xen_blkback/parameters/max_buffer_pages
Date: March 2013
KernelVersion: 3.11
Contact: Roger Pau Monné <roger.pau@citrix.com>
Description:
Maximum number of free pages to keep in each block
backend buffer.
What: /sys/module/xen_blkback/parameters/max_persistent_grants
Date: March 2013
KernelVersion: 3.11
Contact: Roger Pau Monné <roger.pau@citrix.com>
Description:
Maximum number of grants to map persistently in
blkback. If the frontend tries to use more than
max_persistent_grants, the LRU kicks in and starts
removing 5% of max_persistent_grants every 100ms.

10
Documentation/ABI/testing/sysfs-driver-xen-blkfront Normal file
View File

@ -0,0 +1,10 @@
What: /sys/module/xen_blkfront/parameters/max
Date: June 2013
KernelVersion: 3.11
Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Description:
Maximum number of segments that the frontend will negotiate
with the backend for indirect descriptors. The default value
is 32 - higher value means more potential throughput but more
memory usage. The backend picks the minimum of the frontend
and its default backend value.

2
Documentation/DocBook/device-drivers.tmpl
View File

@ -84,7 +84,7 @@ X!Iinclude/linux/kobject.h
<sect1><title>Kernel utility functions</title>
!Iinclude/linux/kernel.h
!Ekernel/printk.c
!Ekernel/printk/printk.c
!Ekernel/panic.c
!Ekernel/sys.c
!Ekernel/rcupdate.c

4
Documentation/DocBook/media_api.tmpl
View File

@ -1,6 +1,6 @@
<?xml version="1.0"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
<!ENTITY % media-entities SYSTEM "./media-entities.tmpl"> %media-entities;
<!ENTITY media-indices SYSTEM "./media-indices.tmpl">

37
Documentation/bcache.txt
View File

@ -46,29 +46,33 @@ you format your backing devices and cache device at the same time, you won't
have to manually attach:
make-bcache -B /dev/sda /dev/sdb -C /dev/sdc
To make bcache devices known to the kernel, echo them to /sys/fs/bcache/register:
bcache-tools now ships udev rules, and bcache devices are known to the kernel
immediately. Without udev, you can manually register devices like this:
echo /dev/sdb > /sys/fs/bcache/register
echo /dev/sdc > /sys/fs/bcache/register
To register your bcache devices automatically, you could add something like
this to an init script:
Registering the backing device makes the bcache device show up in /dev; you can
now format it and use it as normal. But the first time using a new bcache
device, it'll be running in passthrough mode until you attach it to a cache.
See the section on attaching.
echo /dev/sd* > /sys/fs/bcache/register_quiet
The devices show up as:
It'll look for bcache superblocks and ignore everything that doesn't have one.
/dev/bcache<N>
Registering the backing device makes the bcache show up in /dev; you can now
format it and use it as normal. But the first time using a new bcache device,
it'll be running in passthrough mode until you attach it to a cache. See the
section on attaching.
As well as (with udev):
The devices show up at /dev/bcacheN, and can be controlled via sysfs from
/sys/block/bcacheN/bcache:
/dev/bcache/by-uuid/<uuid>
/dev/bcache/by-label/<label>
To get started:
mkfs.ext4 /dev/bcache0
mount /dev/bcache0 /mnt
You can control bcache devices through sysfs at /sys/block/bcache<N>/bcache .
Cache devices are managed as sets; multiple caches per set isn't supported yet
but will allow for mirroring of metadata and dirty data in the future. Your new
cache set shows up as /sys/fs/bcache/<UUID>
@ -80,11 +84,11 @@ must be attached to your cache set to enable caching. Attaching a backing
device to a cache set is done thusly, with the UUID of the cache set in
/sys/fs/bcache:
echo <UUID> > /sys/block/bcache0/bcache/attach
echo <CSET-UUID> > /sys/block/bcache0/bcache/attach
This only has to be done once. The next time you reboot, just reregister all
your bcache devices. If a backing device has data in a cache somewhere, the
/dev/bcache# device won't be created until the cache shows up - particularly
/dev/bcache<N> device won't be created until the cache shows up - particularly
important if you have writeback caching turned on.
If you're booting up and your cache device is gone and never coming back, you
@ -191,6 +195,9 @@ want for getting the best possible numbers when benchmarking.
SYSFS - BACKING DEVICE:
Available at /sys/block/<bdev>/bcache, /sys/block/bcache*/bcache and
(if attached) /sys/fs/bcache/<cset-uuid>/bdev*
attach
Echo the UUID of a cache set to this file to enable caching.
@ -300,6 +307,8 @@ cache_readaheads
SYSFS - CACHE SET:
Available at /sys/fs/bcache/<cset-uuid>
average_key_size
Average data per key in the btree.
@ -390,6 +399,8 @@ trigger_gc
SYSFS - CACHE DEVICE:
Available at /sys/block/<cdev>/bcache
block_size
Minimum granularity of writes - should match hardware sector size.

1
Documentation/devicetree/bindings/clock/imx27-clock.txt
View File

@ -98,6 +98,7 @@ clocks and IDs.
fpm 83
mpll_osc_sel 84
mpll_sel 85
spll_gate 86
Examples:

2
Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
View File

@ -4,7 +4,7 @@
Required properties :
- reg : Offset and length of the register set for the device
- compatible : Should be "marvell,mv64xxx-i2c"
- compatible : Should be "marvell,mv64xxx-i2c" or "allwinner,sun4i-i2c"
- interrupts : The interrupt number
Optional properties :

4
Documentation/devicetree/bindings/regulator/palmas-pmic.txt
View File

@ -31,9 +31,8 @@ Optional nodes:
Optional sub-node properties:
ti,warm-reset - maintain voltage during warm reset(boolean)
ti,roof-floor - control voltage selection by pin(boolean)
ti,sleep-mode - mode to adopt in pmic sleep 0 - off, 1 - auto,
ti,mode-sleep - mode to adopt in pmic sleep 0 - off, 1 - auto,
2 - eco, 3 - forced pwm
ti,tstep - slope control 0 - Jump, 1 10mV/us, 2 5mV/us, 3 2.5mV/us
ti,smps-range - OTP has the wrong range set for the hardware so override
0 - low range, 1 - high range.
@ -59,7 +58,6 @@ pmic {
ti,warm-reset;
ti,roof-floor;
ti,mode-sleep = <0>;
ti,tstep = <0>;
ti,smps-range = <1>;
};

2
Documentation/devicetree/bindings/vendor-prefixes.txt
View File

@ -26,6 +26,7 @@ est ESTeem Wireless Modems
fsl Freescale Semiconductor
GEFanuc GE Fanuc Intelligent Platforms Embedded Systems, Inc.
gef GE Fanuc Intelligent Platforms Embedded Systems, Inc.
hisilicon Hisilicon Limited.
hp Hewlett Packard
ibm International Business Machines (IBM)
idt Integrated Device Technologies, Inc.
@ -43,6 +44,7 @@ nxp NXP Semiconductors
onnn ON Semiconductor Corp.
picochip Picochip Ltd
powervr PowerVR (deprecated, use img)
qca Qualcomm Atheros, Inc.
qcom Qualcomm, Inc.
ralink Mediatek/Ralink Technology Corp.
ramtron Ramtron International

44
Documentation/ja_JP/HOWTO
View File

@ -11,14 +11,14 @@ for non English (read: Japanese) speakers and is not intended as a
fork. So if you have any comments or updates for this file, please try
to update the original English file first.
Last Updated: 2011/03/31
Last Updated: 2013/07/19
==================================
これは、
linux-2.6.38/Documentation/HOWTO
linux-3.10/Documentation/HOWTO
の和訳です。
翻訳団体： JF プロジェクト < http://www.linux.or.jp/JF/ >
翻訳日： 2011/3/28
翻訳団体： JF プロジェクト < http://linuxjf.sourceforge.jp/ >
翻訳日： 2013/7/19
翻訳者： Tsugikazu Shibata <tshibata at ab dot jp dot nec dot com>
校正者： 松倉さん <nbh--mats at nifty dot com>
小林 雅典さん (Masanori Kobayasi) <zap03216 at nifty dot ne dot jp>
@ -245,7 +245,7 @@ Linux カーネルソースツリーの中に含まれる、きれいにし、
自己参照方式で、索引がついた web 形式で、ソースコードを参照することが
できます。この最新の素晴しいカーネルコードのリポジトリは以下で見つかり
ます-
http://sosdg.org/~qiyong/lxr/
http://lxr.linux.no/+trees
開発プロセス
-----------------------
@ -253,24 +253,24 @@ Linux カーネルソースツリーの中に含まれる、きれいにし、
Linux カーネルの開発プロセスは現在幾つかの異なるメインカーネル「ブラン
チ」と多数のサブシステム毎のカーネルブランチから構成されます。
これらのブランチとは-
- メインの 2.6.x カーネルツリー
- 2.6.x.y -stable カーネルツリー
- 2.6.x -git カーネルパッチ
- メインの 3.x カーネルツリー
- 3.x.y -stable カーネルツリー
- 3.x -git カーネルパッチ
- サブシステム毎のカーネルツリーとパッチ
- 統合テストのための 2.6.x -next カーネルツリー
- 統合テストのための 3.x -next カーネルツリー
2.6.x カーネルツリー
3.x カーネルツリー
-----------------
2.6.x カーネルは Linus Torvalds によってメンテナンスされ、kernel.org
の pub/linux/kernel/v2.6/ ディレクトリに存在します。この開発プロセスは
3.x カーネルは Linus Torvalds によってメンテナンスされ、kernel.org
の pub/linux/kernel/v3.x/ ディレクトリに存在します。この開発プロセスは
以下のとおり-
- 新しいカーネルがリリースされた直後に、2週間の特別期間が設けられ、
この期間中に、メンテナ達は Linus に大きな差分を送ることができます。
このような差分は通常 -next カーネルに数週間含まれてきたパッチです。
大きな変更は git(カーネルのソース管理ツール、詳細は
http://git-scm.com/ 参照) を使って送るのが好ましいやり方ですが、パッ
http://git-scm.com/ 参照) を使って送るのが好ましいやり方ですが、パッ
チファイルの形式のまま送るのでも十分です。
- 2週間後、-rc1 カーネルがリリースされ、この後にはカーネル全体の安定
@ -302,20 +302,20 @@ Andrew Morton が Linux-kernel メーリングリストにカーネルリリー
実に認識されたバグの状況によりリリースされるのであり、前もって決めら
れた計画によってリリースされるものではないからです。」
2.6.x.y -stable カーネルツリー
3.x.y -stable カーネルツリー
---------------------------
バージョン番号が4つの数字に分かれているカーネルは -stable カーネルです。
これには、2.6.x カーネルで見つかったセキュリティ問題や重大な後戻りに対
バージョン番号が3つの数字に分かれているカーネルは -stable カーネルです。
これには、3.x カーネルで見つかったセキュリティ問題や重大な後戻りに対
する比較的小さい重要な修正が含まれます。
これは、開発/実験的バージョンのテストに協力することに興味が無く、
最新の安定したカーネルを使いたいユーザに推奨するブランチです。
もし、2.6.x.y カーネルが存在しない場合には、番号が一番大きい 2.6.x が
もし、3.x.y カーネルが存在しない場合には、番号が一番大きい 3.x が
最新の安定版カーネルです。
2.6.x.y は "stable" チーム <stable@kernel.org> でメンテされており、必
3.x.y は "stable" チーム <stable@kernel.org> でメンテされており、必
要に応じてリリースされます。通常のリリース期間は 2週間毎ですが、差し迫っ
た問題がなければもう少し長くなることもあります。セキュリティ関連の問題
の場合はこれに対してだいたいの場合、すぐにリリースがされます。
@ -324,7 +324,7 @@ Andrew Morton が Linux-kernel メーリングリストにカーネルリリー
イルにはどのような種類の変更が -stable ツリーに受け入れ可能か、またリ
リースプロセスがどう動くかが記述されています。
2.6.x -git パッチ
3.x -git パッチ
------------------
git リポジトリで管理されているLinus のカーネルツリーの毎日のスナップ
@ -358,14 +358,14 @@ quilt シリーズとして公開されているパッチキューも使われ
をつけることができます。大部分のこれらの patchwork のサイトは
http://patchwork.kernel.org/ でリストされています。
統合テストのための 2.6.x -next カーネルツリー
統合テストのための 3.x -next カーネルツリー
---------------------------------------------
サブシステムツリーの更新内容がメインラインの 2.6.x ツリーにマージされ
サブシステムツリーの更新内容がメインラインの 3.x ツリーにマージされ
る前に、それらは統合テストされる必要があります。この目的のため、実質的
に全サブシステムツリーからほぼ毎日プルされてできる特別なテスト用のリ
ポジトリが存在します-
http://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git
http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git
http://linux.f-seidel.de/linux-next/pmwiki/
このやり方によって、-next カーネルは次のマージ機会でどんなものがメイン

4
Documentation/sysctl/net.txt
View File

@ -52,7 +52,7 @@ Default: 64
busy_read
----------------
Low latency busy poll timeout for socket reads. (needs CONFIG_NET_LL_RX_POLL)
Low latency busy poll timeout for socket reads. (needs CONFIG_NET_RX_BUSY_POLL)
Approximate time in us to busy loop waiting for packets on the device queue.
This sets the default value of the SO_BUSY_POLL socket option.
Can be set or overridden per socket by setting socket option SO_BUSY_POLL,
@ -63,7 +63,7 @@ Default: 0 (off)
busy_poll
----------------
Low latency busy poll timeout for poll and select. (needs CONFIG_NET_LL_RX_POLL)
Low latency busy poll timeout for poll and select. (needs CONFIG_NET_RX_BUSY_POLL)
Approximate time in us to busy loop waiting for events.
Recommended value depends on the number of sockets you poll on.
For several sockets 50, for several hundreds 100.

62
MAINTAINERS
View File

@ -965,6 +965,12 @@ M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE
M: Santosh Shilimkar <santosh.shilimkar@ti.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/mach-keystone/
ARM/LOGICPD PXA270 MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@ -1259,7 +1265,6 @@ F: drivers/rtc/rtc-coh901331.c
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@linaro.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
@ -1406,7 +1411,7 @@ ATHEROS ATH6KL WIRELESS DRIVER
M: Kalle Valo <kvalo@qca.qualcomm.com>
L: linux-wireless@vger.kernel.org
W: http://wireless.kernel.org/en/users/Drivers/ath6kl
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath6kl.git
T: git git://github.com/kvalo/ath.git
S: Supported
F: drivers/net/wireless/ath/ath6kl/
@ -1642,7 +1647,7 @@ S: Maintained
F: drivers/net/hamradio/baycom*
BCACHE (BLOCK LAYER CACHE)
M: Kent Overstreet <koverstreet@google.com>
M: Kent Overstreet <kmo@daterainc.com>
L: linux-bcache@vger.kernel.org
W: http://bcache.evilpiepirate.org
S: Maintained:
@ -2871,7 +2876,7 @@ F: drivers/media/usb/dvb-usb-v2/dvb_usb*
F: drivers/media/usb/dvb-usb-v2/usb_urb.c
DYNAMIC DEBUG
M: Jason Baron <jbaron@redhat.com>
M: Jason Baron <jbaron@akamai.com>
S: Maintained
F: lib/dynamic_debug.c
F: include/linux/dynamic_debug.h
@ -3346,7 +3351,7 @@ F: Documentation/firmware_class/
F: drivers/base/firmware*.c
F: include/linux/firmware.h
FLASHSYSTEM DRIVER (IBM FlashSystem 70/80 PCI SSD Flash Card)
FLASH ADAPTER DRIVER (IBM Flash Adapter 900GB Full Height PCI Flash Card)
M: Joshua Morris <josh.h.morris@us.ibm.com>
M: Philip Kelleher <pjk1939@linux.vnet.ibm.com>
S: Maintained
@ -3622,11 +3627,9 @@ F: drivers/isdn/gigaset/
F: include/uapi/linux/gigaset_dev.h
GPIO SUBSYSTEM
M: Grant Likely <grant.likely@linaro.org>
M: Linus Walleij <linus.walleij@linaro.org>
S: Maintained
L: linux-gpio@vger.kernel.org
T: git git://git.secretlab.ca/git/linux-2.6.git
F: Documentation/gpio.txt
F: drivers/gpio/
F: include/linux/gpio*
@ -4472,8 +4475,6 @@ F: drivers/irqchip/
IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
M: Benjamin Herrenschmidt <benh@kernel.crashing.org>
M: Grant Likely <grant.likely@linaro.org>
T: git git://git.secretlab.ca/git/linux-2.6.git irqdomain/next
S: Maintained
F: Documentation/IRQ-domain.txt
F: include/linux/irqdomain.h
@ -4990,7 +4991,7 @@ F: arch/powerpc/platforms/44x/
LINUX FOR POWERPC EMBEDDED XILINX VIRTEX
L: linuxppc-dev@lists.ozlabs.org
S: Unmaintained
S: Orphan
F: arch/powerpc/*/*virtex*
F: arch/powerpc/*/*/*virtex*
@ -5886,7 +5887,7 @@ OMAP DEVICE TREE SUPPORT
M: Benoît Cousson <b-cousson@ti.com>
M: Tony Lindgren <tony@atomide.com>
L: linux-omap@vger.kernel.org
L: devicetree-discuss@lists.ozlabs.org (moderated for non-subscribers)
L: devicetree@vger.kernel.org
S: Maintained
F: arch/arm/boot/dts/*omap*
F: arch/arm/boot/dts/*am3*
@ -6050,17 +6051,28 @@ F: drivers/i2c/busses/i2c-ocores.c
OPEN FIRMWARE AND FLATTENED DEVICE TREE
M: Grant Likely <grant.likely@linaro.org>
M: Rob Herring <rob.herring@calxeda.com>
L: devicetree-discuss@lists.ozlabs.org (moderated for non-subscribers)
L: devicetree@vger.kernel.org
W: http://fdt.secretlab.ca
T: git git://git.secretlab.ca/git/linux-2.6.git
S: Maintained
F: Documentation/devicetree
F: drivers/of
F: drivers/of/
F: include/linux/of*.h
F: scripts/dtc
F: scripts/dtc/
K: of_get_property
K: of_match_table
OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
M: Rob Herring <rob.herring@calxeda.com>
M: Pawel Moll <pawel.moll@arm.com>
M: Mark Rutland <mark.rutland@arm.com>
M: Stephen Warren <swarren@wwwdotorg.org>
M: Ian Campbell <ian.campbell@citrix.com>
L: devicetree@vger.kernel.org
S: Maintained
F: Documentation/devicetree/
F: arch/*/boot/dts/
F: include/dt-bindings/
OPENRISC ARCHITECTURE
M: Jonas Bonn <jonas@southpole.se>
W: http://openrisc.net
@ -6719,6 +6731,14 @@ T: git git://linuxtv.org/anttip/media_tree.git
S: Maintained
F: drivers/media/tuners/qt1010*
QUALCOMM ATHEROS ATH10K WIRELESS DRIVER
M: Kalle Valo <kvalo@qca.qualcomm.com>
L: ath10k@lists.infradead.org
W: http://wireless.kernel.org/en/users/Drivers/ath10k
T: git git://github.com/kvalo/ath.git
S: Supported
F: drivers/net/wireless/ath/ath10k/
QUALCOMM HEXAGON ARCHITECTURE
M: Richard Kuo <rkuo@codeaurora.org>
L: linux-hexagon@vger.kernel.org
@ -7746,7 +7766,6 @@ F: drivers/clk/spear/
SPI SUBSYSTEM
M: Mark Brown <broonie@kernel.org>
M: Grant Likely <grant.likely@linaro.org>
L: linux-spi@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
Q: http://patchwork.kernel.org/project/spi-devel-general/list/
@ -7812,7 +7831,7 @@ F: drivers/staging/asus_oled/
STAGING - COMEDI
M: Ian Abbott <abbotti@mev.co.uk>
M: Mori Hess <fmhess@users.sourceforge.net>
M: H Hartley Sweeten <hsweeten@visionengravers.com>
S: Odd Fixes
F: drivers/staging/comedi/
@ -8264,7 +8283,7 @@ S: Maintained
F: sound/soc/codecs/twl4030*
TI WILINK WIRELESS DRIVERS
M: Luciano Coelho <coelho@ti.com>
M: Luciano Coelho <luca@coelho.fi>
L: linux-wireless@vger.kernel.org
W: http://wireless.kernel.org/en/users/Drivers/wl12xx
W: http://wireless.kernel.org/en/users/Drivers/wl1251
@ -8650,6 +8669,11 @@ T: git git://git.alsa-project.org/alsa-kernel.git
S: Maintained
F: sound/usb/midi.*
USB NETWORKING DRIVERS
L: linux-usb@vger.kernel.org
S: Odd Fixes
F: drivers/net/usb/
USB OHCI DRIVER
M: Alan Stern <stern@rowland.harvard.edu>
L: linux-usb@vger.kernel.org
@ -9288,7 +9312,7 @@ S: Maintained
F: drivers/net/ethernet/xilinx/xilinx_axienet*
XILINX SYSTEMACE DRIVER
S: Unmaintained
S: Orphan
F: drivers/block/xsysace.c
XILINX UARTLITE SERIAL DRIVER

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 11
SUBLEVEL = 0
EXTRAVERSION = -rc2
EXTRAVERSION = -rc5
NAME = Linux for Workgroups
# *DOCUMENTATION*

1
arch/alpha/Kconfig
View File

@ -15,6 +15,7 @@ config ALPHA
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARCH_WANT_IPC_PARSE_VERSION
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select GENERIC_SMP_IDLE_THREAD
select GENERIC_CMOS_UPDATE
select GENERIC_STRNCPY_FROM_USER

88
arch/alpha/include/asm/atomic.h
View File

@ -186,17 +186,24 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
*/
static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
{
int c, old;
c = atomic_read(v);
for (;;) {
if (unlikely(c == (u)))
break;
old = atomic_cmpxchg((v), c, c + (a));
if (likely(old == c))
break;
c = old;
}
return c;
int c, new, old;
smp_mb();
__asm__ __volatile__(
"1: ldl_l %[old],%[mem]\n"
" cmpeq %[old],%[u],%[c]\n"
" addl %[old],%[a],%[new]\n"
" bne %[c],2f\n"
" stl_c %[new],%[mem]\n"
" beq %[new],3f\n"
"2:\n"
".subsection 2\n"
"3: br 1b\n"
".previous"
: [old] "=&r"(old), [new] "=&r"(new), [c] "=&r"(c)
: [mem] "m"(*v), [a] "rI"(a), [u] "rI"((long)u)
: "memory");
smp_mb();
return old;
}
@ -207,21 +214,56 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
* @u: ...unless v is equal to u.
*
* Atomically adds @a to @v, so long as it was not @u.
* Returns the old value of @v.
* Returns true iff @v was not @u.
*/
static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
{
long c, old;
c = atomic64_read(v);
for (;;) {
if (unlikely(c == (u)))
break;
old = atomic64_cmpxchg((v), c, c + (a));
if (likely(old == c))
break;
c = old;
}
return c != (u);
long c, tmp;
smp_mb();
__asm__ __volatile__(
"1: ldq_l %[tmp],%[mem]\n"
" cmpeq %[tmp],%[u],%[c]\n"
" addq %[tmp],%[a],%[tmp]\n"
" bne %[c],2f\n"
" stq_c %[tmp],%[mem]\n"
" beq %[tmp],3f\n"
"2:\n"
".subsection 2\n"
"3: br 1b\n"
".previous"
: [tmp] "=&r"(tmp), [c] "=&r"(c)
: [mem] "m"(*v), [a] "rI"(a), [u] "rI"(u)
: "memory");
smp_mb();
return !c;
}
/*
* atomic64_dec_if_positive - decrement by 1 if old value positive
* @v: pointer of type atomic_t
*
* The function returns the old value of *v minus 1, even if
* the atomic variable, v, was not decremented.
*/
static inline long atomic64_dec_if_positive(atomic64_t *v)
{
long old, tmp;
smp_mb();
__asm__ __volatile__(
"1: ldq_l %[old],%[mem]\n"
" subq %[old],1,%[tmp]\n"
" ble %[old],2f\n"
" stq_c %[tmp],%[mem]\n"
" beq %[tmp],3f\n"
"2:\n"
".subsection 2\n"
"3: br 1b\n"
".previous"
: [old] "=&r"(old), [tmp] "=&r"(tmp)
: [mem] "m"(*v)
: "memory");
smp_mb();
return old - 1;
}
#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)

8
arch/alpha/include/asm/param.h
View File

@ -3,7 +3,9 @@
#include <uapi/asm/param.h>
#define HZ CONFIG_HZ
#define USER_HZ HZ
# define CLOCKS_PER_SEC HZ /* frequency at which times() counts */
# undef HZ
# define HZ CONFIG_HZ
# define USER_HZ 1024
# define CLOCKS_PER_SEC USER_HZ /* frequency at which times() counts */
#endif /* _ASM_ALPHA_PARAM_H */

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

@ -168,8 +168,4 @@ static inline void arch_write_unlock(arch_rwlock_t * lock)
#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
#define arch_spin_relax(lock) cpu_relax()
#define arch_read_relax(lock) cpu_relax()
#define arch_write_relax(lock) cpu_relax()
#endif /* _ALPHA_SPINLOCK_H */

3
arch/alpha/include/asm/unistd.h
View File

@ -3,8 +3,7 @@
#include <uapi/asm/unistd.h>
#define NR_SYSCALLS 506
#define NR_SYSCALLS 508
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_STAT64

7
arch/alpha/include/uapi/asm/param.h
View File

@ -1,13 +1,7 @@
#ifndef _UAPI_ASM_ALPHA_PARAM_H
#define _UAPI_ASM_ALPHA_PARAM_H
/* ??? Gross. I don't want to parameterize this, and supposedly the
hardware ignores reprogramming. We also need userland buy-in to the
change in HZ, since this is visible in the wait4 resources etc. */
#ifndef __KERNEL__
#define HZ 1024
#endif
#define EXEC_PAGESIZE 8192
@ -17,5 +11,4 @@
#define MAXHOSTNAMELEN 64 /* max length of hostname */
#endif /* _UAPI_ASM_ALPHA_PARAM_H */

2
arch/alpha/include/uapi/asm/unistd.h
View File

@ -467,5 +467,7 @@
#define __NR_sendmmsg 503
#define __NR_process_vm_readv 504
#define __NR_process_vm_writev 505
#define __NR_kcmp 506
#define __NR_finit_module 507
#endif /* _UAPI_ALPHA_UNISTD_H */

399
arch/alpha/kernel/entry.S
View File

@ -12,11 +12,32 @@
.text
.set noat
.cfi_sections .debug_frame
/* Stack offsets. */
#define SP_OFF 184
#define SWITCH_STACK_SIZE 320
.macro CFI_START_OSF_FRAME func
.align 4
.globl \func
.type \func,@function
\func:
.cfi_startproc simple
.cfi_return_column 64
.cfi_def_cfa $sp, 48
.cfi_rel_offset 64, 8
.cfi_rel_offset $gp, 16
.cfi_rel_offset $16, 24
.cfi_rel_offset $17, 32
.cfi_rel_offset $18, 40
.endm
.macro CFI_END_OSF_FRAME func
.cfi_endproc
.size \func, . - \func
.endm
/*
* This defines the normal kernel pt-regs layout.
*
@ -27,100 +48,158 @@
* the palcode-provided values are available to the signal handler.
*/
#define SAVE_ALL \
subq $sp, SP_OFF, $sp; \
stq $0, 0($sp); \
stq $1, 8($sp); \
stq $2, 16($sp); \
stq $3, 24($sp); \
stq $4, 32($sp); \
stq $28, 144($sp); \
lda $2, alpha_mv; \
stq $5, 40($sp); \
stq $6, 48($sp); \
stq $7, 56($sp); \
stq $8, 64($sp); \
stq $19, 72($sp); \
stq $20, 80($sp); \
stq $21, 88($sp); \
ldq $2, HAE_CACHE($2); \
stq $22, 96($sp); \
stq $23, 104($sp); \
stq $24, 112($sp); \
stq $25, 120($sp); \
stq $26, 128($sp); \
stq $27, 136($sp); \
stq $2, 152($sp); \
stq $16, 160($sp); \
stq $17, 168($sp); \
.macro SAVE_ALL
subq $sp, SP_OFF, $sp
.cfi_adjust_cfa_offset SP_OFF
stq $0, 0($sp)
stq $1, 8($sp)
stq $2, 16($sp)
stq $3, 24($sp)
stq $4, 32($sp)
stq $28, 144($sp)
.cfi_rel_offset $0, 0
.cfi_rel_offset $1, 8
.cfi_rel_offset $2, 16
.cfi_rel_offset $3, 24
.cfi_rel_offset $4, 32
.cfi_rel_offset $28, 144
lda $2, alpha_mv
stq $5, 40($sp)
stq $6, 48($sp)
stq $7, 56($sp)
stq $8, 64($sp)
stq $19, 72($sp)
stq $20, 80($sp)
stq $21, 88($sp)
ldq $2, HAE_CACHE($2)
stq $22, 96($sp)
stq $23, 104($sp)
stq $24, 112($sp)
stq $25, 120($sp)
stq $26, 128($sp)
stq $27, 136($sp)
stq $2, 152($sp)
stq $16, 160($sp)
stq $17, 168($sp)
stq $18, 176($sp)
.cfi_rel_offset $5, 40
.cfi_rel_offset $6, 48
.cfi_rel_offset $7, 56
.cfi_rel_offset $8, 64
.cfi_rel_offset $19, 72
.cfi_rel_offset $20, 80
.cfi_rel_offset $21, 88
.cfi_rel_offset $22, 96
.cfi_rel_offset $23, 104
.cfi_rel_offset $24, 112
.cfi_rel_offset $25, 120
.cfi_rel_offset $26, 128
.cfi_rel_offset $27, 136
.endm
#define RESTORE_ALL \
lda $19, alpha_mv; \
ldq $0, 0($sp); \
ldq $1, 8($sp); \
ldq $2, 16($sp); \
ldq $3, 24($sp); \
ldq $21, 152($sp); \
ldq $20, HAE_CACHE($19); \
ldq $4, 32($sp); \
ldq $5, 40($sp); \
ldq $6, 48($sp); \
ldq $7, 56($sp); \
subq $20, $21, $20; \
ldq $8, 64($sp); \
beq $20, 99f; \
ldq $20, HAE_REG($19); \
stq $21, HAE_CACHE($19); \
stq $21, 0($20); \
99:; \
ldq $19, 72($sp); \
ldq $20, 80($sp); \
ldq $21, 88($sp); \
ldq $22, 96($sp); \
ldq $23, 104($sp); \
ldq $24, 112($sp); \
ldq $25, 120($sp); \
ldq $26, 128($sp); \
ldq $27, 136($sp); \
ldq $28, 144($sp); \
.macro RESTORE_ALL
lda $19, alpha_mv
ldq $0, 0($sp)
ldq $1, 8($sp)
ldq $2, 16($sp)
ldq $3, 24($sp)
ldq $21, 152($sp)
ldq $20, HAE_CACHE($19)
ldq $4, 32($sp)
ldq $5, 40($sp)
ldq $6, 48($sp)
ldq $7, 56($sp)
subq $20, $21, $20
ldq $8, 64($sp)
beq $20, 99f
ldq $20, HAE_REG($19)
stq $21, HAE_CACHE($19)
stq $21, 0($20)
99: ldq $19, 72($sp)
ldq $20, 80($sp)
ldq $21, 88($sp)
ldq $22, 96($sp)
ldq $23, 104($sp)
ldq $24, 112($sp)
ldq $25, 120($sp)
ldq $26, 128($sp)
ldq $27, 136($sp)
ldq $28, 144($sp)
addq $sp, SP_OFF, $sp
.cfi_restore $0
.cfi_restore $1
.cfi_restore $2
.cfi_restore $3
.cfi_restore $4
.cfi_restore $5
.cfi_restore $6
.cfi_restore $7
.cfi_restore $8
.cfi_restore $19
.cfi_restore $20
.cfi_restore $21
.cfi_restore $22
.cfi_restore $23
.cfi_restore $24
.cfi_restore $25
.cfi_restore $26
.cfi_restore $27
.cfi_restore $28
.cfi_adjust_cfa_offset -SP_OFF
.endm
.macro DO_SWITCH_STACK
bsr $1, do_switch_stack
.cfi_adjust_cfa_offset SWITCH_STACK_SIZE
.cfi_rel_offset $9, 0
.cfi_rel_offset $10, 8
.cfi_rel_offset $11, 16
.cfi_rel_offset $12, 24
.cfi_rel_offset $13, 32
.cfi_rel_offset $14, 40
.cfi_rel_offset $15, 48
/* We don't really care about the FP registers for debugging. */
.endm
.macro UNDO_SWITCH_STACK
bsr $1, undo_switch_stack
.cfi_restore $9
.cfi_restore $10
.cfi_restore $11
.cfi_restore $12
.cfi_restore $13
.cfi_restore $14
.cfi_restore $15
.cfi_adjust_cfa_offset -SWITCH_STACK_SIZE
.endm
/*
* Non-syscall kernel entry points.
*/
.align 4
.globl entInt
.ent entInt
entInt:
CFI_START_OSF_FRAME entInt
SAVE_ALL
lda $8, 0x3fff
lda $26, ret_from_sys_call
bic $sp, $8, $8
mov $sp, $19
jsr $31, do_entInt
.end entInt
CFI_END_OSF_FRAME entInt
.align 4
.globl entArith
.ent entArith
entArith:
CFI_START_OSF_FRAME entArith
SAVE_ALL
lda $8, 0x3fff
lda $26, ret_from_sys_call
bic $sp, $8, $8
mov $sp, $18
jsr $31, do_entArith
.end entArith
CFI_END_OSF_FRAME entArith
.align 4
.globl entMM
.ent entMM
entMM:
CFI_START_OSF_FRAME entMM
SAVE_ALL
/* save $9 - $15 so the inline exception code can manipulate them. */
subq $sp, 56, $sp
.cfi_adjust_cfa_offset 56
stq $9, 0($sp)
stq $10, 8($sp)
stq $11, 16($sp)
@ -128,6 +207,13 @@ entMM:
stq $13, 32($sp)
stq $14, 40($sp)
stq $15, 48($sp)
.cfi_rel_offset $9, 0
.cfi_rel_offset $10, 8
.cfi_rel_offset $11, 16
.cfi_rel_offset $12, 24
.cfi_rel_offset $13, 32
.cfi_rel_offset $14, 40
.cfi_rel_offset $15, 48
addq $sp, 56, $19
/* handle the fault */
lda $8, 0x3fff
@ -142,28 +228,33 @@ entMM:
ldq $14, 40($sp)
ldq $15, 48($sp)
addq $sp, 56, $sp
.cfi_restore $9
.cfi_restore $10
.cfi_restore $11
.cfi_restore $12
.cfi_restore $13
.cfi_restore $14
.cfi_restore $15
.cfi_adjust_cfa_offset -56
/* finish up the syscall as normal. */
br ret_from_sys_call
.end entMM
CFI_END_OSF_FRAME entMM
.align 4
.globl entIF
.ent entIF
entIF:
CFI_START_OSF_FRAME entIF
SAVE_ALL
lda $8, 0x3fff
lda $26, ret_from_sys_call
bic $sp, $8, $8
mov $sp, $17
jsr $31, do_entIF
.end entIF
CFI_END_OSF_FRAME entIF
.align 4
.globl entUna
.ent entUna
entUna:
CFI_START_OSF_FRAME entUna
lda $sp, -256($sp)
.cfi_adjust_cfa_offset 256
stq $0, 0($sp)
.cfi_rel_offset $0, 0
.cfi_remember_state
ldq $0, 256($sp) /* get PS */
stq $1, 8($sp)
stq $2, 16($sp)
@ -195,6 +286,32 @@ entUna:
stq $28, 224($sp)
mov $sp, $19
stq $gp, 232($sp)
.cfi_rel_offset $1, 1*8
.cfi_rel_offset $2, 2*8
.cfi_rel_offset $3, 3*8
.cfi_rel_offset $4, 4*8
.cfi_rel_offset $5, 5*8
.cfi_rel_offset $6, 6*8
.cfi_rel_offset $7, 7*8
.cfi_rel_offset $8, 8*8
.cfi_rel_offset $9, 9*8
.cfi_rel_offset $10, 10*8
.cfi_rel_offset $11, 11*8
.cfi_rel_offset $12, 12*8
.cfi_rel_offset $13, 13*8
.cfi_rel_offset $14, 14*8
.cfi_rel_offset $15, 15*8
.cfi_rel_offset $19, 19*8
.cfi_rel_offset $20, 20*8
.cfi_rel_offset $21, 21*8
.cfi_rel_offset $22, 22*8
.cfi_rel_offset $23, 23*8
.cfi_rel_offset $24, 24*8
.cfi_rel_offset $25, 25*8
.cfi_rel_offset $26, 26*8
.cfi_rel_offset $27, 27*8
.cfi_rel_offset $28, 28*8
.cfi_rel_offset $29, 29*8
lda $8, 0x3fff
stq $31, 248($sp)
bic $sp, $8, $8
@ -228,16 +345,45 @@ entUna:
ldq $28, 224($sp)
ldq $gp, 232($sp)
lda $sp, 256($sp)
.cfi_restore $1
.cfi_restore $2
.cfi_restore $3
.cfi_restore $4
.cfi_restore $5
.cfi_restore $6
.cfi_restore $7
.cfi_restore $8
.cfi_restore $9
.cfi_restore $10
.cfi_restore $11
.cfi_restore $12
.cfi_restore $13
.cfi_restore $14
.cfi_restore $15
.cfi_restore $19
.cfi_restore $20
.cfi_restore $21
.cfi_restore $22
.cfi_restore $23
.cfi_restore $24
.cfi_restore $25
.cfi_restore $26
.cfi_restore $27
.cfi_restore $28
.cfi_restore $29
.cfi_adjust_cfa_offset -256
call_pal PAL_rti
.end entUna
.align 4
.ent entUnaUser
entUnaUser:
.cfi_restore_state
ldq $0, 0($sp) /* restore original $0 */
lda $sp, 256($sp) /* pop entUna's stack frame */
.cfi_restore $0
.cfi_adjust_cfa_offset -256
SAVE_ALL /* setup normal kernel stack */
lda $sp, -56($sp)
.cfi_adjust_cfa_offset 56
stq $9, 0($sp)
stq $10, 8($sp)
stq $11, 16($sp)
@ -245,6 +391,13 @@ entUnaUser:
stq $13, 32($sp)
stq $14, 40($sp)
stq $15, 48($sp)
.cfi_rel_offset $9, 0
.cfi_rel_offset $10, 8
.cfi_rel_offset $11, 16
.cfi_rel_offset $12, 24
.cfi_rel_offset $13, 32
.cfi_rel_offset $14, 40
.cfi_rel_offset $15, 48
lda $8, 0x3fff
addq $sp, 56, $19
bic $sp, $8, $8
@ -257,20 +410,25 @@ entUnaUser:
ldq $14, 40($sp)
ldq $15, 48($sp)
lda $sp, 56($sp)
.cfi_restore $9
.cfi_restore $10
.cfi_restore $11
.cfi_restore $12
.cfi_restore $13
.cfi_restore $14
.cfi_restore $15
.cfi_adjust_cfa_offset -56
br ret_from_sys_call
.end entUnaUser
CFI_END_OSF_FRAME entUna
.align 4
.globl entDbg
.ent entDbg
entDbg:
CFI_START_OSF_FRAME entDbg
SAVE_ALL
lda $8, 0x3fff
lda $26, ret_from_sys_call
bic $sp, $8, $8
mov $sp, $16
jsr $31, do_entDbg
.end entDbg
CFI_END_OSF_FRAME entDbg
/*
* The system call entry point is special. Most importantly, it looks
@ -285,8 +443,12 @@ entDbg:
.align 4
.globl entSys
.globl ret_from_sys_call
.ent entSys
.type entSys, @function
.cfi_startproc simple
.cfi_return_column 64
.cfi_def_cfa $sp, 48
.cfi_rel_offset 64, 8
.cfi_rel_offset $gp, 16
entSys:
SAVE_ALL
lda $8, 0x3fff
@ -300,6 +462,9 @@ entSys:
stq $17, SP_OFF+32($sp)
s8addq $0, $5, $5
stq $18, SP_OFF+40($sp)
.cfi_rel_offset $16, SP_OFF+24
.cfi_rel_offset $17, SP_OFF+32
.cfi_rel_offset $18, SP_OFF+40
blbs $3, strace
beq $4, 1f
ldq $27, 0($5)
@ -310,6 +475,7 @@ entSys:
stq $31, 72($sp) /* a3=0 => no error */
.align 4
.globl ret_from_sys_call
ret_from_sys_call:
cmovne $26, 0, $18 /* $18 = 0 => non-restartable */
ldq $0, SP_OFF($sp)
@ -324,10 +490,12 @@ ret_to_user:
and $17, _TIF_WORK_MASK, $2
bne $2, work_pending
restore_all:
.cfi_remember_state
RESTORE_ALL
call_pal PAL_rti
ret_to_kernel:
.cfi_restore_state
lda $16, 7
call_pal PAL_swpipl
br restore_all
@ -356,7 +524,6 @@ $ret_success:
stq $0, 0($sp)
stq $31, 72($sp) /* a3=0 => no error */
br ret_from_sys_call
.end entSys
/*
* Do all cleanup when returning from all interrupts and system calls.
@ -370,7 +537,7 @@ $ret_success:
*/
.align 4
.ent work_pending
.type work_pending, @function
work_pending:
and $17, _TIF_NOTIFY_RESUME | _TIF_SIGPENDING, $2
bne $2, $work_notifysig
@ -387,23 +554,22 @@ $work_resched:
$work_notifysig:
mov $sp, $16
bsr $1, do_switch_stack
DO_SWITCH_STACK
jsr $26, do_work_pending
bsr $1, undo_switch_stack
UNDO_SWITCH_STACK
br restore_all
.end work_pending
/*
* PTRACE syscall handler
*/
.align 4
.ent strace
.type strace, @function
strace:
/* set up signal stack, call syscall_trace */
bsr $1, do_switch_stack
DO_SWITCH_STACK
jsr $26, syscall_trace_enter /* returns the syscall number */
bsr $1, undo_switch_stack
UNDO_SWITCH_STACK
/* get the arguments back.. */
ldq $16, SP_OFF+24($sp)
@ -431,9 +597,9 @@ ret_from_straced:
$strace_success:
stq $0, 0($sp) /* save return value */
bsr $1, do_switch_stack
DO_SWITCH_STACK
jsr $26, syscall_trace_leave
bsr $1, undo_switch_stack
UNDO_SWITCH_STACK
br $31, ret_from_sys_call
.align 3
@ -447,26 +613,31 @@ $strace_error:
stq $0, 0($sp)
stq $1, 72($sp) /* a3 for return */
bsr $1, do_switch_stack
DO_SWITCH_STACK
mov $18, $9 /* save old syscall number */
mov $19, $10 /* save old a3 */
jsr $26, syscall_trace_leave
mov $9, $18
mov $10, $19
bsr $1, undo_switch_stack
UNDO_SWITCH_STACK
mov $31, $26 /* tell "ret_from_sys_call" we can restart */
br ret_from_sys_call
.end strace
CFI_END_OSF_FRAME entSys
/*
* Save and restore the switch stack -- aka the balance of the user context.
*/
.align 4
.ent do_switch_stack
.type do_switch_stack, @function
.cfi_startproc simple
.cfi_return_column 64
.cfi_def_cfa $sp, 0
.cfi_register 64, $1
do_switch_stack:
lda $sp, -SWITCH_STACK_SIZE($sp)
.cfi_adjust_cfa_offset SWITCH_STACK_SIZE
stq $9, 0($sp)
stq $10, 8($sp)
stq $11, 16($sp)
@ -510,10 +681,14 @@ do_switch_stack:
stt $f0, 312($sp) # save fpcr in slot of $f31
ldt $f0, 64($sp) # dont let "do_switch_stack" change fp state.
ret $31, ($1), 1
.end do_switch_stack
.cfi_endproc
.size do_switch_stack, .-do_switch_stack
.align 4
.ent undo_switch_stack
.type undo_switch_stack, @function
.cfi_startproc simple
.cfi_def_cfa $sp, 0
.cfi_register 64, $1
undo_switch_stack:
ldq $9, 0($sp)
ldq $10, 8($sp)
@ -558,7 +733,8 @@ undo_switch_stack:
ldt $f30, 304($sp)
lda $sp, SWITCH_STACK_SIZE($sp)
ret $31, ($1), 1
.end undo_switch_stack
.cfi_endproc
.size undo_switch_stack, .-undo_switch_stack
/*
* The meat of the context switch code.
@ -566,17 +742,18 @@ undo_switch_stack:
.align 4
.globl alpha_switch_to
.ent alpha_switch_to
.type alpha_switch_to, @function
.cfi_startproc
alpha_switch_to:
.prologue 0
bsr $1, do_switch_stack
DO_SWITCH_STACK
call_pal PAL_swpctx
lda $8, 0x3fff
bsr $1, undo_switch_stack
UNDO_SWITCH_STACK
bic $sp, $8, $8
mov $17, $0
ret
.end alpha_switch_to
.cfi_endproc
.size alpha_switch_to, .-alpha_switch_to
/*
* New processes begin life here.

2
arch/alpha/kernel/irq_alpha.c
View File

@ -236,7 +236,7 @@ void __init
init_rtc_irq(void)
{
irq_set_chip_and_handler_name(RTC_IRQ, &dummy_irq_chip,
handle_simple_irq, "RTC");
handle_percpu_irq, "RTC");
setup_irq(RTC_IRQ, &timer_irqaction);
}

5
arch/alpha/kernel/smp.c
View File

@ -264,9 +264,10 @@ recv_secondary_console_msg(void)
if (cnt <= 0 || cnt >= 80)
strcpy(buf, "<<< BOGUS MSG >>>");
else {
cp1 = (char *) &cpu->ipc_buffer[11];
cp1 = (char *) &cpu->ipc_buffer[1];
cp2 = buf;
strcpy(cp2, cp1);
memcpy(cp2, cp1, cnt);
cp2[cnt] = '\0';
while ((cp2 = strchr(cp2, '\r')) != 0) {
*cp2 = ' ';

8
arch/alpha/kernel/sys_dp264.c
View File

@ -190,9 +190,6 @@ static struct irq_chip clipper_irq_type = {
static void
dp264_device_interrupt(unsigned long vector)
{
#if 1
printk("dp264_device_interrupt: NOT IMPLEMENTED YET!!\n");
#else
unsigned long pld;
unsigned int i;
@ -210,12 +207,7 @@ dp264_device_interrupt(unsigned long vector)
isa_device_interrupt(vector);
else
handle_irq(16 + i);
#if 0
TSUNAMI_cchip->dir0.csr = 1UL << i; mb();
tmp = TSUNAMI_cchip->dir0.csr;
#endif
}
#endif
}
static void

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

@ -317,8 +317,9 @@ marvel_init_irq(void)
}
static int
marvel_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
marvel_map_irq(const struct pci_dev *cdev, u8 slot, u8 pin)
{
struct pci_dev *dev = (struct pci_dev *)cdev;
struct pci_controller *hose = dev->sysdata;
struct io7_port *io7_port = hose->sysdata;
struct io7 *io7 = io7_port->io7;

2
arch/alpha/kernel/systbls.S
View File

@ -524,6 +524,8 @@ sys_call_table:
.quad sys_sendmmsg
.quad sys_process_vm_readv
.quad sys_process_vm_writev /* 505 */
.quad sys_kcmp
.quad sys_finit_module
.size sys_call_table, . - sys_call_table
.type sys_call_table, @object

4
arch/alpha/kernel/time.c
View File

@ -105,9 +105,7 @@ void arch_irq_work_raise(void)
static inline __u32 rpcc(void)
{
__u32 result;
asm volatile ("rpcc %0" : "=r"(result));
return result;
return __builtin_alpha_rpcc();
}
int update_persistent_clock(struct timespec now)

8
arch/alpha/kernel/traps.c
View File

@ -66,8 +66,8 @@ dik_show_regs(struct pt_regs *regs, unsigned long *r9_15)
{
printk("pc = [<%016lx>] ra = [<%016lx>] ps = %04lx %s\n",
regs->pc, regs->r26, regs->ps, print_tainted());
print_symbol("pc is at %s\n", regs->pc);
print_symbol("ra is at %s\n", regs->r26 );
printk("pc is at %pSR\n", (void *)regs->pc);
printk("ra is at %pSR\n", (void *)regs->r26);
printk("v0 = %016lx t0 = %016lx t1 = %016lx\n",
regs->r0, regs->r1, regs->r2);
printk("t2 = %016lx t3 = %016lx t4 = %016lx\n",
@ -132,9 +132,7 @@ dik_show_trace(unsigned long *sp)
continue;
if (tmp >= (unsigned long) &_etext)
continue;
printk("[<%lx>]", tmp);
print_symbol(" %s", tmp);
printk("\n");
printk("[<%lx>] %pSR\n", tmp, (void *)tmp);
if (i > 40) {
printk(" ...");
break;

1
arch/arc/include/asm/entry.h
View File

@ -38,6 +38,7 @@
#include <asm/ptrace.h>
#include <asm/processor.h> /* For VMALLOC_START */
#include <asm/thread_info.h> /* For THREAD_SIZE */
#include <asm/mmu.h>
/* Note on the LD/ST addr modes with addr reg wback
*

7
arch/arm/Kconfig
View File

@ -20,7 +20,6 @@ config ARM
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select HARDIRQS_SW_RESEND
select HAVE_AOUT
select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
select HAVE_ARCH_KGDB
select HAVE_ARCH_SECCOMP_FILTER
@ -218,7 +217,8 @@ config VECTORS_BASE
default DRAM_BASE if REMAP_VECTORS_TO_RAM
default 0x00000000
help
The base address of exception vectors.
The base address of exception vectors. This must be two pages
in size.
config ARM_PATCH_PHYS_VIRT
bool "Patch physical to virtual translations at runtime" if EMBEDDED
@ -1600,8 +1600,7 @@ config LOCAL_TIMERS
config ARCH_NR_GPIO
int
default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
default 512 if SOC_OMAP5
default 512 if ARCH_KEYSTONE
default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5
default 392 if ARCH_U8500
default 352 if ARCH_VT8500
default 288 if ARCH_SUNXI

14
arch/arm/Kconfig.debug
View File

@ -804,9 +804,19 @@ config DEBUG_LL_INCLUDE
config DEBUG_UNCOMPRESS
bool
default y if ARCH_MULTIPLATFORM && DEBUG_LL && \
!DEBUG_OMAP2PLUS_UART && \
depends on ARCH_MULTIPLATFORM
default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
!DEBUG_TEGRA_UART
help
This option influences the normal decompressor output for
multiplatform kernels. Normally, multiplatform kernels disable
decompressor output because it is not possible to know where to
send the decompressor output.
When this option is set, the selected DEBUG_LL output method
will be re-used for normal decompressor output on multiplatform
kernels.
config UNCOMPRESS_INCLUDE
string

20
arch/arm/Makefile
View File

@ -153,6 +153,7 @@ machine-$(CONFIG_ARCH_DAVINCI) += davinci
machine-$(CONFIG_ARCH_DOVE) += dove
machine-$(CONFIG_ARCH_EBSA110) += ebsa110
machine-$(CONFIG_ARCH_EP93XX) += ep93xx
machine-$(CONFIG_ARCH_EXYNOS) += exynos
machine-$(CONFIG_ARCH_GEMINI) += gemini
machine-$(CONFIG_ARCH_HIGHBANK) += highbank
machine-$(CONFIG_ARCH_INTEGRATOR) += integrator
@ -160,15 +161,16 @@ machine-$(CONFIG_ARCH_IOP13XX) += iop13xx
machine-$(CONFIG_ARCH_IOP32X) += iop32x
machine-$(CONFIG_ARCH_IOP33X) += iop33x
machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx
machine-$(CONFIG_ARCH_KEYSTONE) += keystone
machine-$(CONFIG_ARCH_KIRKWOOD) += kirkwood
machine-$(CONFIG_ARCH_KS8695) += ks8695
machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
machine-$(CONFIG_ARCH_MMP) += mmp
machine-$(CONFIG_ARCH_MSM) += msm
machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
machine-$(CONFIG_ARCH_MVEBU) += mvebu
machine-$(CONFIG_ARCH_MXC) += imx
machine-$(CONFIG_ARCH_MXS) += mxs
machine-$(CONFIG_ARCH_MVEBU) += mvebu
machine-$(CONFIG_ARCH_NETX) += netx
machine-$(CONFIG_ARCH_NOMADIK) += nomadik
machine-$(CONFIG_ARCH_NSPIRE) += nspire
@ -176,7 +178,6 @@ machine-$(CONFIG_ARCH_OMAP1) += omap1
machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
machine-$(CONFIG_ARCH_ORION5X) += orion5x
machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell
machine-$(CONFIG_ARCH_SIRF) += prima2
machine-$(CONFIG_ARCH_PXA) += pxa
machine-$(CONFIG_ARCH_REALVIEW) += realview
machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
@ -186,25 +187,24 @@ machine-$(CONFIG_ARCH_S3C64XX) += s3c64xx
machine-$(CONFIG_ARCH_S5P64X0) += s5p64x0
machine-$(CONFIG_ARCH_S5PC100) += s5pc100
machine-$(CONFIG_ARCH_S5PV210) += s5pv210
machine-$(CONFIG_ARCH_EXYNOS) += exynos
machine-$(CONFIG_ARCH_SA1100) += sa1100
machine-$(CONFIG_ARCH_SHARK) += shark
machine-$(CONFIG_ARCH_SHMOBILE) += shmobile
machine-$(CONFIG_ARCH_SIRF) += prima2
machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
machine-$(CONFIG_ARCH_STI) += sti
machine-$(CONFIG_ARCH_SUNXI) += sunxi
machine-$(CONFIG_ARCH_TEGRA) += tegra
machine-$(CONFIG_ARCH_U300) += u300
machine-$(CONFIG_ARCH_U8500) += ux500
machine-$(CONFIG_ARCH_VERSATILE) += versatile
machine-$(CONFIG_ARCH_VEXPRESS) += vexpress
machine-$(CONFIG_ARCH_VIRT) += virt
machine-$(CONFIG_ARCH_VT8500) += vt8500
machine-$(CONFIG_ARCH_W90X900) += w90x900
machine-$(CONFIG_FOOTBRIDGE) += footbridge
machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
machine-$(CONFIG_PLAT_SPEAR) += spear
machine-$(CONFIG_ARCH_STI) += sti
machine-$(CONFIG_ARCH_VIRT) += virt
machine-$(CONFIG_ARCH_ZYNQ) += zynq
machine-$(CONFIG_ARCH_SUNXI) += sunxi
machine-$(CONFIG_ARCH_KEYSTONE) += keystone
machine-$(CONFIG_FOOTBRIDGE) += footbridge
machine-$(CONFIG_PLAT_SPEAR) += spear
# Platform directory name. This list is sorted alphanumerically
# by CONFIG_* macro name.

22
arch/arm/boot/dts/atlas6.dtsi
View File

@ -485,6 +485,12 @@
sirf,function = "usp0";
};
};
usp0_uart_nostreamctrl_pins_a: usp0@1 {
usp0 {
sirf,pins = "usp0_uart_nostreamctrl_grp";
sirf,function = "usp0_uart_nostreamctrl";
};
};
usp1_pins_a: usp1@0 {
usp1 {
sirf,pins = "usp1grp";
@ -515,16 +521,16 @@
sirf,function = "pulse_count";
};
};
cko0_rst_pins_a: cko0_rst@0 {
cko0_rst {
sirf,pins = "cko0_rstgrp";
sirf,function = "cko0_rst";
cko0_pins_a: cko0@0 {
cko0 {
sirf,pins = "cko0grp";
sirf,function = "cko0";
};
};
cko1_rst_pins_a: cko1_rst@0 {
cko1_rst {
sirf,pins = "cko1_rstgrp";
sirf,function = "cko1_rst";
cko1_pins_a: cko1@0 {
cko1 {
sirf,pins = "cko1grp";
sirf,function = "cko1";
};
};
};

2
arch/arm/boot/dts/imx28-apx4devkit.dts
View File

@ -147,7 +147,7 @@
reg = <0x0a>;
VDDA-supply = <&reg_3p3v>;
VDDIO-supply = <&reg_3p3v>;
clocks = <&saif0>;
};
pcf8563: rtc@51 {

2
arch/arm/boot/dts/imx28-evk.dts
View File

@ -195,7 +195,7 @@
reg = <0x0a>;
VDDA-supply = <&reg_3p3v>;
VDDIO-supply = <&reg_3p3v>;
clocks = <&saif0>;
};
at24@51 {

2
arch/arm/boot/dts/imx28-m28evk.dts
View File

@ -184,7 +184,7 @@
reg = <0x0a>;
VDDA-supply = <&reg_3p3v>;
VDDIO-supply = <&reg_3p3v>;
clocks = <&saif0>;
};
eeprom: eeprom@51 {

1
arch/arm/boot/dts/imx28.dtsi
View File

@ -837,6 +837,7 @@
compatible = "fsl,imx28-saif";
reg = <0x80042000 0x2000>;
interrupts = <59 80>;
#clock-cells = <0>;
clocks = <&clks 53>;
dmas = <&dma_apbx 4>;
dma-names = "rx-tx";

13
arch/arm/boot/dts/imx51-babbage.dts
View File

@ -61,6 +61,16 @@
mux-int-port = <2>;
mux-ext-port = <3>;
};
clocks {
clk_26M: codec_clock {
compatible = "fixed-clock";
reg=<0>;
#clock-cells = <0>;
clock-frequency = <26000000>;
gpios = <&gpio4 26 1>;
};
};
};
&esdhc1 {
@ -229,6 +239,7 @@
MX51_PAD_EIM_A27__GPIO2_21 0x5
MX51_PAD_CSPI1_SS0__GPIO4_24 0x85
MX51_PAD_CSPI1_SS1__GPIO4_25 0x85
MX51_PAD_CSPI1_RDY__GPIO4_26 0x80000000
>;
};
};
@ -255,7 +266,7 @@
sgtl5000: codec@0a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
clock-frequency = <26000000>;
clocks = <&clk_26M>;
VDDA-supply = <&vdig_reg>;
VDDIO-supply = <&vvideo_reg>;
};

2
arch/arm/boot/dts/imx53-mba53.dts
View File

@ -27,7 +27,7 @@
backlight {
compatible = "pwm-backlight";
pwms = <&pwm2 0 50000 0 0>;
pwms = <&pwm2 0 50000>;
brightness-levels = <0 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 100>;
default-brightness-level = <10>;
enable-gpios = <&gpio7 7 0>;

32
arch/arm/boot/dts/imx53.dtsi
View File

@ -725,15 +725,15 @@
uart1 {
pinctrl_uart1_1: uart1grp-1 {
fsl,pins = <
MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1c5
MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1c5
MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1e4
MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1e4
>;
};
pinctrl_uart1_2: uart1grp-2 {
fsl,pins = <
MX53_PAD_PATA_DIOW__UART1_TXD_MUX 0x1c5
MX53_PAD_PATA_DMACK__UART1_RXD_MUX 0x1c5
MX53_PAD_PATA_DIOW__UART1_TXD_MUX 0x1e4
MX53_PAD_PATA_DMACK__UART1_RXD_MUX 0x1e4
>;
};
@ -748,8 +748,8 @@
uart2 {
pinctrl_uart2_1: uart2grp-1 {
fsl,pins = <
MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX 0x1c5
MX53_PAD_PATA_DMARQ__UART2_TXD_MUX 0x1c5
MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX 0x1e4
MX53_PAD_PATA_DMARQ__UART2_TXD_MUX 0x1e4
>;
};
@ -766,17 +766,17 @@
uart3 {
pinctrl_uart3_1: uart3grp-1 {
fsl,pins = <
MX53_PAD_PATA_CS_0__UART3_TXD_MUX 0x1c5
MX53_PAD_PATA_CS_1__UART3_RXD_MUX 0x1c5
MX53_PAD_PATA_DA_1__UART3_CTS 0x1c5
MX53_PAD_PATA_DA_2__UART3_RTS 0x1c5
MX53_PAD_PATA_CS_0__UART3_TXD_MUX 0x1e4
MX53_PAD_PATA_CS_1__UART3_RXD_MUX 0x1e4
MX53_PAD_PATA_DA_1__UART3_CTS 0x1e4
MX53_PAD_PATA_DA_2__UART3_RTS 0x1e4
>;
};
pinctrl_uart3_2: uart3grp-2 {
fsl,pins = <
MX53_PAD_PATA_CS_0__UART3_TXD_MUX 0x1c5
MX53_PAD_PATA_CS_1__UART3_RXD_MUX 0x1c5
MX53_PAD_PATA_CS_0__UART3_TXD_MUX 0x1e4
MX53_PAD_PATA_CS_1__UART3_RXD_MUX 0x1e4
>;
};
@ -785,8 +785,8 @@
uart4 {
pinctrl_uart4_1: uart4grp-1 {
fsl,pins = <
MX53_PAD_KEY_COL0__UART4_TXD_MUX 0x1c5
MX53_PAD_KEY_ROW0__UART4_RXD_MUX 0x1c5
MX53_PAD_KEY_COL0__UART4_TXD_MUX 0x1e4
MX53_PAD_KEY_ROW0__UART4_RXD_MUX 0x1e4
>;
};
};
@ -794,8 +794,8 @@
uart5 {
pinctrl_uart5_1: uart5grp-1 {
fsl,pins = <
MX53_PAD_KEY_COL1__UART5_TXD_MUX 0x1c5
MX53_PAD_KEY_ROW1__UART5_RXD_MUX 0x1c5
MX53_PAD_KEY_COL1__UART5_TXD_MUX 0x1e4
MX53_PAD_KEY_ROW1__UART5_RXD_MUX 0x1e4
>;
};
};

4
arch/arm/boot/dts/msm8960-cdp.dts
View File

@ -26,7 +26,7 @@
cpu-offset = <0x80000>;
};
msmgpio: gpio@fd510000 {
msmgpio: gpio@800000 {
compatible = "qcom,msm-gpio";
gpio-controller;
#gpio-cells = <2>;
@ -34,7 +34,7 @@
interrupts = <0 32 0x4>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0xfd510000 0x4000>;
reg = <0x800000 0x4000>;
};
serial@16440000 {

78
arch/arm/boot/dts/omap5-uevm.dts
View File

@ -235,7 +235,7 @@
};
&mmc1 {
vmmc-supply = <&vmmcsd_fixed>;
vmmc-supply = <&ldo9_reg>;
bus-width = <4>;
};
@ -282,6 +282,7 @@
regulators {
smps123_reg: smps123 {
/* VDD_OPP_MPU */
regulator-name = "smps123";
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1500000>;
@ -290,6 +291,7 @@
};
smps45_reg: smps45 {
/* VDD_OPP_MM */
regulator-name = "smps45";
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1310000>;
@ -298,6 +300,7 @@
};
smps6_reg: smps6 {
/* VDD_DDR3 - over VDD_SMPS6 */
regulator-name = "smps6";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
@ -306,6 +309,7 @@
};
smps7_reg: smps7 {
/* VDDS_1v8_OMAP over VDDS_1v8_MAIN */
regulator-name = "smps7";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@ -314,6 +318,7 @@
};
smps8_reg: smps8 {
/* VDD_OPP_CORE */
regulator-name = "smps8";
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1310000>;
@ -322,15 +327,15 @@
};
smps9_reg: smps9 {
/* VDDA_2v1_AUD over VDD_2v1 */
regulator-name = "smps9";
regulator-min-microvolt = <2100000>;
regulator-max-microvolt = <2100000>;
regulator-always-on;
regulator-boot-on;
ti,smps-range = <0x80>;
};
smps10_reg: smps10 {
/* VBUS_5V_OTG */
regulator-name = "smps10";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
@ -339,38 +344,40 @@
};
ldo1_reg: ldo1 {
/* VDDAPHY_CAM: vdda_csiport */
regulator-name = "ldo1";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1800000>;
};
ldo2_reg: ldo2 {
/* VCC_2V8_DISP: Does not go anywhere */
regulator-name = "ldo2";
regulator-min-microvolt = <2900000>;
regulator-max-microvolt = <2900000>;
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
/* Unused */
status = "disabled";
};
ldo3_reg: ldo3 {
/* VDDAPHY_MDM: vdda_lli */
regulator-name = "ldo3";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-always-on;
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
/* Only if Modem is used */
status = "disabled";
};
ldo4_reg: ldo4 {
/* VDDAPHY_DISP: vdda_dsiport/hdmi */
regulator-name = "ldo4";
regulator-min-microvolt = <2200000>;
regulator-max-microvolt = <2200000>;
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1800000>;
};
ldo5_reg: ldo5 {
/* VDDA_1V8_PHY: usb/sata/hdmi.. */
regulator-name = "ldo5";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@ -379,38 +386,43 @@
};
ldo6_reg: ldo6 {
/* VDDS_1V2_WKUP: hsic/ldo_emu_wkup */
regulator-name = "ldo6";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
};
ldo7_reg: ldo7 {
/* VDD_VPP: vpp1 */
regulator-name = "ldo7";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <2000000>;
regulator-max-microvolt = <2000000>;
/* Only for efuse reprograming! */
status = "disabled";
};
ldo8_reg: ldo8 {
/* VDD_3v0: Does not go anywhere */
regulator-name = "ldo8";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-boot-on;
/* Unused */
status = "disabled";
};
ldo9_reg: ldo9 {
/* VCC_DV_SDIO: vdds_sdcard */
regulator-name = "ldo9";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-max-microvolt = <3000000>;
regulator-boot-on;
};
ldoln_reg: ldoln {
/* VDDA_1v8_REF: vdds_osc/mm_l4per.. */
regulator-name = "ldoln";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@ -419,12 +431,20 @@
};
ldousb_reg: ldousb {
/* VDDA_3V_USB: VDDA_USBHS33 */
regulator-name = "ldousb";
regulator-min-microvolt = <3250000>;
regulator-max-microvolt = <3250000>;
regulator-always-on;
regulator-boot-on;
};
regen3_reg: regen3 {
/* REGEN3 controls LDO9 supply to card */
regulator-name = "regen3";
regulator-always-on;
regulator-boot-on;
};
};
};
};

16
arch/arm/boot/dts/prima2.dtsi
View File

@ -515,16 +515,16 @@
sirf,function = "pulse_count";
};
};
cko0_rst_pins_a: cko0_rst@0 {
cko0_rst {
sirf,pins = "cko0_rstgrp";
sirf,function = "cko0_rst";
cko0_pins_a: cko0@0 {
cko0 {
sirf,pins = "cko0grp";
sirf,function = "cko0";
};
};
cko1_rst_pins_a: cko1_rst@0 {
cko1_rst {
sirf,pins = "cko1_rstgrp";
sirf,function = "cko1_rst";
cko1_pins_a: cko1@0 {
cko1 {
sirf,pins = "cko1grp";
sirf,function = "cko1";
};
};
};

10
arch/arm/boot/dts/stih416-pinctrl.dtsi
View File

@ -166,6 +166,15 @@
reg = <0x9000 0x100>;
st,bank-name = "PIO31";
};
serial2-oe {
pinctrl_serial2_oe: serial2-1 {
st,pins {
output-enable = <&PIO11 3 ALT2 OUT>;
};
};
};
};
pin-controller-rear {
@ -218,7 +227,6 @@
st,pins {
tx = <&PIO17 4 ALT2 OUT>;
rx = <&PIO17 5 ALT2 IN>;
output-enable = <&PIO11 3 ALT2 OUT>;
};
};
};

2
arch/arm/boot/dts/stih416.dtsi
View File

@ -79,7 +79,7 @@
interrupts = <0 197 0>;
clocks = <&CLK_S_ICN_REG_0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_serial2>;
pinctrl-0 = <&pinctrl_serial2 &pinctrl_serial2_oe>;
};
/* SBC_UART1 */

2
arch/arm/boot/dts/stih41x.dtsi
View File

@ -6,10 +6,12 @@
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0>;
};
cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <1>;
};

1
arch/arm/boot/dts/tegra20-colibri-512.dtsi
View File

@ -457,6 +457,7 @@
};
usb-phy@c5004000 {
status = "okay";
nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
GPIO_ACTIVE_LOW>;
};

6
arch/arm/boot/dts/twl4030.dtsi
View File

@ -47,6 +47,12 @@
regulator-max-microvolt = <3150000>;
};
vmmc2: regulator-vmmc2 {
compatible = "ti,twl4030-vmmc2";
regulator-min-microvolt = <1850000>;
regulator-max-microvolt = <3150000>;
};
vusb1v5: regulator-vusb1v5 {
compatible = "ti,twl4030-vusb1v5";
};

8
arch/arm/boot/dts/vf610.dtsi
View File

@ -442,8 +442,8 @@
compatible = "fsl,mvf600-fec";
reg = <0x400d0000 0x1000>;
interrupts = <0 78 0x04>;
clocks = <&clks VF610_CLK_ENET>,
<&clks VF610_CLK_ENET>,
clocks = <&clks VF610_CLK_ENET0>,
<&clks VF610_CLK_ENET0>,
<&clks VF610_CLK_ENET>;
clock-names = "ipg", "ahb", "ptp";
status = "disabled";
@ -453,8 +453,8 @@
compatible = "fsl,mvf600-fec";
reg = <0x400d1000 0x1000>;
interrupts = <0 79 0x04>;
clocks = <&clks VF610_CLK_ENET>,
<&clks VF610_CLK_ENET>,
clocks = <&clks VF610_CLK_ENET1>,
<&clks VF610_CLK_ENET1>,
<&clks VF610_CLK_ENET>;
clock-names = "ipg", "ahb", "ptp";
status = "disabled";

1
arch/arm/common/edma.c
View File

@ -26,7 +26,6 @@
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/edma.h>
#include <linux/err.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/of_dma.h>

2
arch/arm/configs/da8xx_omapl_defconfig
View File

@ -102,6 +102,8 @@ CONFIG_SND_SOC=m
CONFIG_SND_DAVINCI_SOC=m
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_DMADEVICES=y
CONFIG_TI_EDMA=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_XFS_FS=m

2
arch/arm/configs/davinci_all_defconfig
View File

@ -162,6 +162,8 @@ CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=m
CONFIG_LEDS_TRIGGER_HEARTBEAT=m
CONFIG_RTC_CLASS=y
CONFIG_DMADEVICES=y
CONFIG_TI_EDMA=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_XFS_FS=m

6
arch/arm/configs/multi_v7_defconfig
View File

@ -53,6 +53,7 @@ CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_OMAP_OCP2SCP=y
CONFIG_BLK_DEV_SD=y
CONFIG_ATA=y
CONFIG_SATA_AHCI_PLATFORM=y
@ -61,6 +62,7 @@ CONFIG_SATA_MV=y
CONFIG_NETDEVICES=y
CONFIG_SUN4I_EMAC=y
CONFIG_NET_CALXEDA_XGMAC=y
CONFIG_KS8851=y
CONFIG_SMSC911X=y
CONFIG_STMMAC_ETH=y
CONFIG_MDIO_SUN4I=y
@ -89,6 +91,7 @@ CONFIG_I2C_DESIGNWARE_PLATFORM=y
CONFIG_I2C_SIRF=y
CONFIG_I2C_TEGRA=y
CONFIG_SPI=y
CONFIG_SPI_OMAP24XX=y
CONFIG_SPI_PL022=y
CONFIG_SPI_SIRF=y
CONFIG_SPI_TEGRA114=y
@ -111,11 +114,12 @@ CONFIG_FB_SIMPLE=y
CONFIG_USB=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_MXC=y
CONFIG_USB_EHCI_TEGRA=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_ISP1760_HCD=y
CONFIG_USB_STORAGE=y
CONFIG_USB_CHIPIDEA=y
CONFIG_USB_CHIPIDEA_HOST=y
CONFIG_AB8500_USB=y
CONFIG_NOP_USB_XCEIV=y
CONFIG_OMAP_USB2=y

7
arch/arm/configs/nhk8815_defconfig
View File

@ -1,6 +1,8 @@
# CONFIG_LOCALVERSION_AUTO is not set
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=14
@ -48,7 +50,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_TESTS=m
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_NAND_ECC_SMC=y
CONFIG_MTD_NAND=y
@ -94,8 +95,10 @@ CONFIG_I2C_GPIO=y
CONFIG_I2C_NOMADIK=y
CONFIG_DEBUG_GPIO=y
# CONFIG_HWMON is not set
CONFIG_REGULATOR=y
CONFIG_MMC=y
CONFIG_MMC_CLKGATE=y
CONFIG_MMC_UNSAFE_RESUME=y
# CONFIG_MMC_BLOCK_BOUNCE is not set
CONFIG_MMC_ARMMMCI=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y

45
arch/arm/include/asm/a.out-core.h
View File

@ -1,45 +0,0 @@
/* a.out coredump register dumper
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _ASM_A_OUT_CORE_H
#define _ASM_A_OUT_CORE_H
#ifdef __KERNEL__
#include <linux/user.h>
#include <linux/elfcore.h>
/*
* fill in the user structure for an a.out core dump
*/
static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
{
struct task_struct *tsk = current;
dump->magic = CMAGIC;
dump->start_code = tsk->mm->start_code;
dump->start_stack = regs->ARM_sp & ~(PAGE_SIZE - 1);
dump->u_tsize = (tsk->mm->end_code - tsk->mm->start_code) >> PAGE_SHIFT;
dump->u_dsize = (tsk->mm->brk - tsk->mm->start_data + PAGE_SIZE - 1) >> PAGE_SHIFT;
dump->u_ssize = 0;
memset(dump->u_debugreg, 0, sizeof(dump->u_debugreg));
if (dump->start_stack < 0x04000000)
dump->u_ssize = (0x04000000 - dump->start_stack) >> PAGE_SHIFT;
dump->regs = *regs;
dump->u_fpvalid = dump_fpu (regs, &dump->u_fp);
}
#endif /* __KERNEL__ */
#endif /* _ASM_A_OUT_CORE_H */

7
arch/arm/include/asm/cputype.h
View File

@ -89,13 +89,18 @@ extern unsigned int processor_id;
__val; \
})
/*
* The memory clobber prevents gcc 4.5 from reordering the mrc before
* any is_smp() tests, which can cause undefined instruction aborts on
* ARM1136 r0 due to the missing extended CP15 registers.
*/
#define read_cpuid_ext(ext_reg) \
({ \
unsigned int __val; \
asm("mrc p15, 0, %0, c0, " ext_reg \
: "=r" (__val) \
: \
: "cc"); \
: "memory"); \
__val; \
})

6
arch/arm/include/asm/elf.h
View File

@ -130,4 +130,10 @@ struct mm_struct;
extern unsigned long arch_randomize_brk(struct mm_struct *mm);
#define arch_randomize_brk arch_randomize_brk
#ifdef CONFIG_MMU
#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
struct linux_binprm;
int arch_setup_additional_pages(struct linux_binprm *, int);
#endif
#endif

3
arch/arm/include/asm/mmu.h
View File

@ -6,8 +6,11 @@
typedef struct {
#ifdef CONFIG_CPU_HAS_ASID
atomic64_t id;
#else
int switch_pending;
#endif
unsigned int vmalloc_seq;
unsigned long sigpage;
} mm_context_t;
#ifdef CONFIG_CPU_HAS_ASID

20
arch/arm/include/asm/mmu_context.h
View File

@ -56,7 +56,7 @@ static inline void check_and_switch_context(struct mm_struct *mm,
* on non-ASID CPUs, the old mm will remain valid until the
* finish_arch_post_lock_switch() call.
*/
set_ti_thread_flag(task_thread_info(tsk), TIF_SWITCH_MM);
mm->context.switch_pending = 1;
else
cpu_switch_mm(mm->pgd, mm);
}
@ -65,9 +65,21 @@ static inline void check_and_switch_context(struct mm_struct *mm,
finish_arch_post_lock_switch
static inline void finish_arch_post_lock_switch(void)
{
if (test_and_clear_thread_flag(TIF_SWITCH_MM)) {
struct mm_struct *mm = current->mm;
cpu_switch_mm(mm->pgd, mm);
struct mm_struct *mm = current->mm;
if (mm && mm->context.switch_pending) {
/*
* Preemption must be disabled during cpu_switch_mm() as we
* have some stateful cache flush implementations. Check
* switch_pending again in case we were preempted and the
* switch to this mm was already done.
*/
preempt_disable();
if (mm->context.switch_pending) {
mm->context.switch_pending = 0;
cpu_switch_mm(mm->pgd, mm);
}
preempt_enable_no_resched();
}
}

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

@ -142,7 +142,9 @@ extern void __cpu_copy_user_highpage(struct page *to, struct page *from,
#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
extern void copy_page(void *to, const void *from);
#ifdef CONFIG_KUSER_HELPERS
#define __HAVE_ARCH_GATE_AREA 1
#endif
#ifdef CONFIG_ARM_LPAE
#include <asm/pgtable-3level-types.h>

4
arch/arm/include/asm/processor.h
View File

@ -54,7 +54,6 @@ struct thread_struct {
#define start_thread(regs,pc,sp) \
({ \
unsigned long *stack = (unsigned long *)sp; \
memset(regs->uregs, 0, sizeof(regs->uregs)); \
if (current->personality & ADDR_LIMIT_32BIT) \
regs->ARM_cpsr = USR_MODE; \
@ -65,9 +64,6 @@ struct thread_struct {
regs->ARM_cpsr |= PSR_ENDSTATE; \
regs->ARM_pc = pc & ~1; /* pc */ \
regs->ARM_sp = sp; /* sp */ \
regs->ARM_r2 = stack[2]; /* r2 (envp) */ \
regs->ARM_r1 = stack[1]; /* r1 (argv) */ \
regs->ARM_r0 = stack[0]; /* r0 (argc) */ \
nommu_start_thread(regs); \
})

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

@ -156,7 +156,6 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
#define TIF_USING_IWMMXT 17
#define TIF_MEMDIE 18 /* is terminating due to OOM killer */
#define TIF_RESTORE_SIGMASK 20
#define TIF_SWITCH_MM 22 /* deferred switch_mm */
#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)

16
arch/arm/include/asm/tlbflush.h
View File

@ -443,7 +443,18 @@ static inline void local_flush_bp_all(void)
isb();
}
#include <asm/cputype.h>
#ifdef CONFIG_ARM_ERRATA_798181
static inline int erratum_a15_798181(void)
{
unsigned int midr = read_cpuid_id();
/* Cortex-A15 r0p0..r3p2 affected */
if ((midr & 0xff0ffff0) != 0x410fc0f0 || midr > 0x413fc0f2)
return 0;
return 1;
}
static inline void dummy_flush_tlb_a15_erratum(void)
{
/*
@ -453,6 +464,11 @@ static inline void dummy_flush_tlb_a15_erratum(void)
dsb();
}
#else
static inline int erratum_a15_798181(void)
{
return 0;
}
static inline void dummy_flush_tlb_a15_erratum(void)
{
}

12
arch/arm/include/asm/virt.h
View File

@ -29,6 +29,7 @@
#define BOOT_CPU_MODE_MISMATCH PSR_N_BIT
#ifndef __ASSEMBLY__
#include <asm/cacheflush.h>
#ifdef CONFIG_ARM_VIRT_EXT
/*
@ -41,10 +42,21 @@
*/
extern int __boot_cpu_mode;
static inline void sync_boot_mode(void)
{
/*
* As secondaries write to __boot_cpu_mode with caches disabled, we
* must flush the corresponding cache entries to ensure the visibility
* of their writes.
*/
sync_cache_r(&__boot_cpu_mode);
}
void __hyp_set_vectors(unsigned long phys_vector_base);
unsigned long __hyp_get_vectors(void);
#else
#define __boot_cpu_mode (SVC_MODE)
#define sync_boot_mode()
#endif
#ifndef ZIMAGE

1
arch/arm/include/uapi/asm/Kbuild
View File

@ -1,7 +1,6 @@
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
header-y += a.out.h
header-y += byteorder.h
header-y += fcntl.h
header-y += hwcap.h

34
arch/arm/include/uapi/asm/a.out.h
View File

@ -1,34 +0,0 @@
#ifndef __ARM_A_OUT_H__
#define __ARM_A_OUT_H__
#include <linux/personality.h>
#include <linux/types.h>
struct exec
{
__u32 a_info; /* Use macros N_MAGIC, etc for access */
__u32 a_text; /* length of text, in bytes */
__u32 a_data; /* length of data, in bytes */
__u32 a_bss; /* length of uninitialized data area for file, in bytes */
__u32 a_syms; /* length of symbol table data in file, in bytes */
__u32 a_entry; /* start address */
__u32 a_trsize; /* length of relocation info for text, in bytes */
__u32 a_drsize; /* length of relocation info for data, in bytes */
};
/*
* This is always the same
*/
#define N_TXTADDR(a) (0x00008000)
#define N_TRSIZE(a) ((a).a_trsize)
#define N_DRSIZE(a) ((a).a_drsize)
#define N_SYMSIZE(a) ((a).a_syms)
#define M_ARM 103
#ifndef LIBRARY_START_TEXT
#define LIBRARY_START_TEXT (0x00c00000)
#endif
#endif /* __A_OUT_GNU_H__ */

103
arch/arm/kernel/entry-armv.S
View File

@ -742,6 +742,18 @@ ENDPROC(__switch_to)
#endif
.endm
.macro kuser_pad, sym, size
.if (. - \sym) & 3
.rept 4 - (. - \sym) & 3
.byte 0
.endr
.endif
.rept (\size - (. - \sym)) / 4
.word 0xe7fddef1
.endr
.endm
#ifdef CONFIG_KUSER_HELPERS
.align 5
.globl __kuser_helper_start
__kuser_helper_start:
@ -832,18 +844,13 @@ kuser_cmpxchg64_fixup:
#error "incoherent kernel configuration"
#endif
/* pad to next slot */
.rept (16 - (. - __kuser_cmpxchg64)/4)
.word 0
.endr
.align 5
kuser_pad __kuser_cmpxchg64, 64
__kuser_memory_barrier: @ 0xffff0fa0
smp_dmb arm
usr_ret lr
.align 5
kuser_pad __kuser_memory_barrier, 32
__kuser_cmpxchg: @ 0xffff0fc0
@ -916,13 +923,14 @@ kuser_cmpxchg32_fixup:
#endif
.align 5
kuser_pad __kuser_cmpxchg, 32
__kuser_get_tls: @ 0xffff0fe0
ldr r0, [pc, #(16 - 8)] @ read TLS, set in kuser_get_tls_init
usr_ret lr
mrc p15, 0, r0, c13, c0, 3 @ 0xffff0fe8 hardware TLS code
.rep 4
kuser_pad __kuser_get_tls, 16
.rep 3
.word 0 @ 0xffff0ff0 software TLS value, then
.endr @ pad up to __kuser_helper_version
@ -932,14 +940,16 @@ __kuser_helper_version: @ 0xffff0ffc
.globl __kuser_helper_end
__kuser_helper_end:
#endif
THUMB( .thumb )
/*
* Vector stubs.
*
* This code is copied to 0xffff0200 so we can use branches in the
* vectors, rather than ldr's. Note that this code must not
* exceed 0x300 bytes.
* This code is copied to 0xffff1000 so we can use branches in the
* vectors, rather than ldr's. Note that this code must not exceed
* a page size.
*
* Common stub entry macro:
* Enter in IRQ mode, spsr = SVC/USR CPSR, lr = SVC/USR PC
@ -986,8 +996,17 @@ ENDPROC(vector_\name)
1:
.endm
.globl __stubs_start
.section .stubs, "ax", %progbits
__stubs_start:
@ This must be the first word
.word vector_swi
vector_rst:
ARM( swi SYS_ERROR0 )
THUMB( svc #0 )
THUMB( nop )
b vector_und
/*
* Interrupt dispatcher
*/
@ -1081,6 +1100,16 @@ __stubs_start:
.align 5
/*=============================================================================
* Address exception handler
*-----------------------------------------------------------------------------
* These aren't too critical.
* (they're not supposed to happen, and won't happen in 32-bit data mode).
*/
vector_addrexcptn:
b vector_addrexcptn
/*=============================================================================
* Undefined FIQs
*-----------------------------------------------------------------------------
@ -1094,45 +1123,19 @@ __stubs_start:
vector_fiq:
subs pc, lr, #4
/*=============================================================================
* Address exception handler
*-----------------------------------------------------------------------------
* These aren't too critical.
* (they're not supposed to happen, and won't happen in 32-bit data mode).
*/
.globl vector_fiq_offset
.equ vector_fiq_offset, vector_fiq
vector_addrexcptn:
b vector_addrexcptn
/*
* We group all the following data together to optimise
* for CPUs with separate I & D caches.
*/
.align 5
.LCvswi:
.word vector_swi
.globl __stubs_end
__stubs_end:
.equ stubs_offset, __vectors_start + 0x200 - __stubs_start
.globl __vectors_start
.section .vectors, "ax", %progbits
__vectors_start:
ARM( swi SYS_ERROR0 )
THUMB( svc #0 )
THUMB( nop )
W(b) vector_und + stubs_offset
W(ldr) pc, .LCvswi + stubs_offset
W(b) vector_pabt + stubs_offset
W(b) vector_dabt + stubs_offset
W(b) vector_addrexcptn + stubs_offset
W(b) vector_irq + stubs_offset
W(b) vector_fiq + stubs_offset
.globl __vectors_end
__vectors_end:
W(b) vector_rst
W(b) vector_und
W(ldr) pc, __vectors_start + 0x1000
W(b) vector_pabt
W(b) vector_dabt
W(b) vector_addrexcptn
W(b) vector_irq
W(b) vector_fiq
.data

2
arch/arm/kernel/entry-v7m.S
View File

@ -49,7 +49,7 @@ __irq_entry:
mov r1, sp
stmdb sp!, {lr}
@ routine called with r0 = irq number, r1 = struct pt_regs *
bl nvic_do_IRQ
bl nvic_handle_irq
pop {lr}
@

19
arch/arm/kernel/fiq.c
View File

@ -47,6 +47,11 @@
#include <asm/irq.h>
#include <asm/traps.h>
#define FIQ_OFFSET ({ \
extern void *vector_fiq_offset; \
(unsigned)&vector_fiq_offset; \
})
static unsigned long no_fiq_insn;
/* Default reacquire function
@ -80,13 +85,16 @@ int show_fiq_list(struct seq_file *p, int prec)
void set_fiq_handler(void *start, unsigned int length)
{
#if defined(CONFIG_CPU_USE_DOMAINS)
memcpy((void *)0xffff001c, start, length);
void *base = (void *)0xffff0000;
#else
memcpy(vectors_page + 0x1c, start, length);
void *base = vectors_page;
#endif
flush_icache_range(0xffff001c, 0xffff001c + length);
unsigned offset = FIQ_OFFSET;
memcpy(base + offset, start, length);
flush_icache_range(0xffff0000 + offset, 0xffff0000 + offset + length);
if (!vectors_high())
flush_icache_range(0x1c, 0x1c + length);
flush_icache_range(offset, offset + length);
}
int claim_fiq(struct fiq_handler *f)
@ -144,6 +152,7 @@ EXPORT_SYMBOL(disable_fiq);
void __init init_FIQ(int start)
{
no_fiq_insn = *(unsigned long *)0xffff001c;
unsigned offset = FIQ_OFFSET;
no_fiq_insn = *(unsigned long *)(0xffff0000 + offset);
fiq_start = start;
}

1
arch/arm/kernel/head-nommu.S
View File

@ -87,6 +87,7 @@ ENTRY(stext)
ENDPROC(stext)
#ifdef CONFIG_SMP
.text
ENTRY(secondary_startup)
/*
* Common entry point for secondary CPUs.

1
arch/arm/kernel/head.S
View File

@ -343,6 +343,7 @@ __turn_mmu_on_loc:
.long __turn_mmu_on_end
#if defined(CONFIG_SMP)
.text
ENTRY(secondary_startup)
/*
* Common entry point for secondary CPUs.

4
arch/arm/kernel/hyp-stub.S
View File

@ -56,8 +56,8 @@ ENTRY(__boot_cpu_mode)
ldr \reg3, [\reg2]
ldr \reg1, [\reg2, \reg3]
cmp \mode, \reg1 @ matches primary CPU boot mode?
orrne r7, r7, #BOOT_CPU_MODE_MISMATCH
strne r7, [r5, r6] @ record what happened and give up
orrne \reg1, \reg1, #BOOT_CPU_MODE_MISMATCH
strne \reg1, [\reg2, \reg3] @ record what happened and give up
.endm
#else /* ZIMAGE */

49
arch/arm/kernel/process.c
View File

@ -197,6 +197,7 @@ void machine_shutdown(void)
*/
void machine_halt(void)
{
local_irq_disable();
smp_send_stop();
local_irq_disable();
@ -211,6 +212,7 @@ void machine_halt(void)
*/
void machine_power_off(void)
{
local_irq_disable();
smp_send_stop();
if (pm_power_off)
@ -230,6 +232,7 @@ void machine_power_off(void)
*/
void machine_restart(char *cmd)
{
local_irq_disable();
smp_send_stop();
arm_pm_restart(reboot_mode, cmd);
@ -426,10 +429,11 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
}
#ifdef CONFIG_MMU
#ifdef CONFIG_KUSER_HELPERS
/*
* The vectors page is always readable from user space for the
* atomic helpers and the signal restart code. Insert it into the
* gate_vma so that it is visible through ptrace and /proc/<pid>/mem.
* atomic helpers. Insert it into the gate_vma so that it is visible
* through ptrace and /proc/<pid>/mem.
*/
static struct vm_area_struct gate_vma = {
.vm_start = 0xffff0000,
@ -458,9 +462,48 @@ int in_gate_area_no_mm(unsigned long addr)
{
return in_gate_area(NULL, addr);
}
#define is_gate_vma(vma) ((vma) = &gate_vma)
#else
#define is_gate_vma(vma) 0
#endif
const char *arch_vma_name(struct vm_area_struct *vma)
{
return (vma == &gate_vma) ? "[vectors]" : NULL;
return is_gate_vma(vma) ? "[vectors]" :
(vma->vm_mm && vma->vm_start == vma->vm_mm->context.sigpage) ?
"[sigpage]" : NULL;
}
static struct page *signal_page;
extern struct page *get_signal_page(void);
int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
{
struct mm_struct *mm = current->mm;
unsigned long addr;
int ret;
if (!signal_page)
signal_page = get_signal_page();
if (!signal_page)
return -ENOMEM;
down_write(&mm->mmap_sem);
addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0);
if (IS_ERR_VALUE(addr)) {
ret = addr;
goto up_fail;
}
ret = install_special_mapping(mm, addr, PAGE_SIZE,
VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC,
&signal_page);
if (ret == 0)
mm->context.sigpage = addr;
up_fail:
up_write(&mm->mmap_sem);
return ret;
}
#endif

3
arch/arm/kernel/setup.c
View File

@ -836,6 +836,8 @@ static int __init meminfo_cmp(const void *_a, const void *_b)
void __init hyp_mode_check(void)
{
#ifdef CONFIG_ARM_VIRT_EXT
sync_boot_mode();
if (is_hyp_mode_available()) {
pr_info("CPU: All CPU(s) started in HYP mode.\n");
pr_info("CPU: Virtualization extensions available.\n");
@ -971,6 +973,7 @@ static const char *hwcap_str[] = {
"vfpv4",
"idiva",
"idivt",
"vfpd32",
"lpae",
NULL
};

56
arch/arm/kernel/signal.c
View File

@ -8,6 +8,7 @@
* published by the Free Software Foundation.
*/
#include <linux/errno.h>
#include <linux/random.h>
#include <linux/signal.h>
#include <linux/personality.h>
#include <linux/uaccess.h>
@ -15,12 +16,11 @@
#include <asm/elf.h>
#include <asm/cacheflush.h>
#include <asm/traps.h>
#include <asm/ucontext.h>
#include <asm/unistd.h>
#include <asm/vfp.h>
#include "signal.h"
/*
* For ARM syscalls, we encode the syscall number into the instruction.
*/
@ -40,11 +40,13 @@
#define SWI_THUMB_SIGRETURN (0xdf00 << 16 | 0x2700 | (__NR_sigreturn - __NR_SYSCALL_BASE))
#define SWI_THUMB_RT_SIGRETURN (0xdf00 << 16 | 0x2700 | (__NR_rt_sigreturn - __NR_SYSCALL_BASE))
const unsigned long sigreturn_codes[7] = {
static const unsigned long sigreturn_codes[7] = {
MOV_R7_NR_SIGRETURN, SWI_SYS_SIGRETURN, SWI_THUMB_SIGRETURN,
MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN,
};
static unsigned long signal_return_offset;
#ifdef CONFIG_CRUNCH
static int preserve_crunch_context(struct crunch_sigframe __user *frame)
{
@ -400,14 +402,20 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig,
__put_user(sigreturn_codes[idx+1], rc+1))
return 1;
if ((cpsr & MODE32_BIT) && !IS_ENABLED(CONFIG_ARM_MPU)) {
#ifdef CONFIG_MMU
if (cpsr & MODE32_BIT) {
struct mm_struct *mm = current->mm;
/*
* 32-bit code can use the new high-page
* signal return code support except when the MPU has
* protected the vectors page from PL0
* 32-bit code can use the signal return page
* except when the MPU has protected the vectors
* page from PL0
*/
retcode = KERN_SIGRETURN_CODE + (idx << 2) + thumb;
} else {
retcode = mm->context.sigpage + signal_return_offset +
(idx << 2) + thumb;
} else
#endif
{
/*
* Ensure that the instruction cache sees
* the return code written onto the stack.
@ -608,3 +616,33 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall)
} while (thread_flags & _TIF_WORK_MASK);
return 0;
}
struct page *get_signal_page(void)
{
unsigned long ptr;
unsigned offset;
struct page *page;
void *addr;
page = alloc_pages(GFP_KERNEL, 0);
if (!page)
return NULL;
addr = page_address(page);
/* Give the signal return code some randomness */
offset = 0x200 + (get_random_int() & 0x7fc);
signal_return_offset = offset;
/*
* Copy signal return handlers into the vector page, and
* set sigreturn to be a pointer to these.
*/
memcpy(addr + offset, sigreturn_codes, sizeof(sigreturn_codes));
ptr = (unsigned long)addr + offset;
flush_icache_range(ptr, ptr + sizeof(sigreturn_codes));
return page;
}

12
arch/arm/kernel/signal.h
View File

@ -1,12 +0,0 @@
/*
* linux/arch/arm/kernel/signal.h
*
* Copyright (C) 2005-2009 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.
*/
#define KERN_SIGRETURN_CODE (CONFIG_VECTORS_BASE + 0x00000500)
extern const unsigned long sigreturn_codes[7];

17
arch/arm/kernel/smp_tlb.c
View File

@ -70,23 +70,6 @@ static inline void ipi_flush_bp_all(void *ignored)
local_flush_bp_all();
}
#ifdef CONFIG_ARM_ERRATA_798181
static int erratum_a15_798181(void)
{
unsigned int midr = read_cpuid_id();
/* Cortex-A15 r0p0..r3p2 affected */
if ((midr & 0xff0ffff0) != 0x410fc0f0 || midr > 0x413fc0f2)
return 0;
return 1;
}
#else
static int erratum_a15_798181(void)
{
return 0;
}
#endif
static void ipi_flush_tlb_a15_erratum(void *arg)
{
dmb();

46
arch/arm/kernel/traps.c
View File

@ -35,8 +35,6 @@
#include <asm/tls.h>
#include <asm/system_misc.h>
#include "signal.h"
static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" };
void *vectors_page;
@ -800,15 +798,26 @@ void __init trap_init(void)
return;
}
static void __init kuser_get_tls_init(unsigned long vectors)
#ifdef CONFIG_KUSER_HELPERS
static void __init kuser_init(void *vectors)
{
extern char __kuser_helper_start[], __kuser_helper_end[];
int kuser_sz = __kuser_helper_end - __kuser_helper_start;
memcpy(vectors + 0x1000 - kuser_sz, __kuser_helper_start, kuser_sz);
/*
* vectors + 0xfe0 = __kuser_get_tls
* vectors + 0xfe8 = hardware TLS instruction at 0xffff0fe8
*/
if (tls_emu || has_tls_reg)
memcpy((void *)vectors + 0xfe0, (void *)vectors + 0xfe8, 4);
memcpy(vectors + 0xfe0, vectors + 0xfe8, 4);
}
#else
static void __init kuser_init(void *vectors)
{
}
#endif
void __init early_trap_init(void *vectors_base)
{
@ -816,33 +825,30 @@ void __init early_trap_init(void *vectors_base)
unsigned long vectors = (unsigned long)vectors_base;
extern char __stubs_start[], __stubs_end[];
extern char __vectors_start[], __vectors_end[];
extern char __kuser_helper_start[], __kuser_helper_end[];
int kuser_sz = __kuser_helper_end - __kuser_helper_start;
unsigned i;
vectors_page = vectors_base;
/*
* Poison the vectors page with an undefined instruction. This
* instruction is chosen to be undefined for both ARM and Thumb
* ISAs. The Thumb version is an undefined instruction with a
* branch back to the undefined instruction.
*/
for (i = 0; i < PAGE_SIZE / sizeof(u32); i++)
((u32 *)vectors_base)[i] = 0xe7fddef1;
/*
* Copy the vectors, stubs and kuser helpers (in entry-armv.S)
* into the vector page, mapped at 0xffff0000, and ensure these
* are visible to the instruction stream.
*/
memcpy((void *)vectors, __vectors_start, __vectors_end - __vectors_start);
memcpy((void *)vectors + 0x200, __stubs_start, __stubs_end - __stubs_start);
memcpy((void *)vectors + 0x1000 - kuser_sz, __kuser_helper_start, kuser_sz);
memcpy((void *)vectors + 0x1000, __stubs_start, __stubs_end - __stubs_start);
/*
* Do processor specific fixups for the kuser helpers
*/
kuser_get_tls_init(vectors);
kuser_init(vectors_base);
/*
* Copy signal return handlers into the vector page, and
* set sigreturn to be a pointer to these.
*/
memcpy((void *)(vectors + KERN_SIGRETURN_CODE - CONFIG_VECTORS_BASE),
sigreturn_codes, sizeof(sigreturn_codes));
flush_icache_range(vectors, vectors + PAGE_SIZE);
flush_icache_range(vectors, vectors + PAGE_SIZE * 2);
modify_domain(DOMAIN_USER, DOMAIN_CLIENT);
#else /* ifndef CONFIG_CPU_V7M */
/*

17
arch/arm/kernel/vmlinux.lds.S
View File

@ -148,6 +148,23 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
__init_begin = .;
#endif
/*
* The vectors and stubs are relocatable code, and the
* only thing that matters is their relative offsets
*/
__vectors_start = .;
.vectors 0 : AT(__vectors_start) {
*(.vectors)
}
. = __vectors_start + SIZEOF(.vectors);
__vectors_end = .;
__stubs_start = .;
.stubs 0x1000 : AT(__stubs_start) {
*(.stubs)
}
. = __stubs_start + SIZEOF(.stubs);
__stubs_end = .;
INIT_TEXT_SECTION(8)
.exit.text : {

2
arch/arm/mach-davinci/board-dm365-evm.c
View File

@ -505,7 +505,7 @@ static struct vpbe_output dm365evm_vpbe_outputs[] = {
/*
* Amplifiers on the board
*/
struct ths7303_platform_data ths7303_pdata = {
static struct ths7303_platform_data ths7303_pdata = {
.ch_1 = 3,
.ch_2 = 3,
.ch_3 = 3,

2
arch/arm/mach-davinci/dm355.c
View File

@ -860,7 +860,7 @@ static struct platform_device dm355_vpbe_display = {
},
};
struct venc_platform_data dm355_venc_pdata = {
static struct venc_platform_data dm355_venc_pdata = {
.setup_pinmux = dm355_vpbe_setup_pinmux,
.setup_clock = dm355_venc_setup_clock,
};

2
arch/arm/mach-davinci/dm365.c
View File

@ -1349,7 +1349,7 @@ static struct platform_device dm365_vpbe_display = {
},
};
struct venc_platform_data dm365_venc_pdata = {
static struct venc_platform_data dm365_venc_pdata = {
.setup_pinmux = dm365_vpbe_setup_pinmux,
.setup_clock = dm365_venc_setup_clock,
};

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

@ -92,6 +92,7 @@ config SOC_EXYNOS5440
bool "SAMSUNG EXYNOS5440"
default y
depends on ARCH_EXYNOS5
select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
select ARCH_HAS_OPP
select HAVE_ARM_ARCH_TIMER
select AUTO_ZRELADDR

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

@ -14,7 +14,7 @@ obj- :=
obj-$(CONFIG_ARCH_EXYNOS) += common.o
obj-$(CONFIG_PM) += pm.o
obj-$(CONFIG_S5P_PM) += pm.o
obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o

26
arch/arm/mach-exynos/common.c
View File

@ -58,7 +58,6 @@ static const char name_exynos5440[] = "EXYNOS5440";
static void exynos4_map_io(void);
static void exynos5_map_io(void);
static void exynos5440_map_io(void);
static int exynos_init(void);
static struct cpu_table cpu_ids[] __initdata = {
@ -95,7 +94,6 @@ static struct cpu_table cpu_ids[] __initdata = {
}, {
.idcode = EXYNOS5440_SOC_ID,
.idmask = EXYNOS5_SOC_MASK,
.map_io = exynos5440_map_io,
.init = exynos_init,
.name = name_exynos5440,
},
@ -149,11 +147,6 @@ static struct map_desc exynos4_iodesc[] __initdata = {
.pfn = __phys_to_pfn(EXYNOS4_PA_GIC_DIST),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(EXYNOS4_PA_UART),
.length = SZ_512K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_CMU,
.pfn = __phys_to_pfn(EXYNOS4_PA_CMU),
@ -268,20 +261,6 @@ static struct map_desc exynos5_iodesc[] __initdata = {
.pfn = __phys_to_pfn(EXYNOS5_PA_PMU),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(EXYNOS5_PA_UART),
.length = SZ_512K,
.type = MT_DEVICE,
},
};
static struct map_desc exynos5440_iodesc0[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(EXYNOS5440_PA_UART0),
.length = SZ_512K,
.type = MT_DEVICE,
},
};
@ -388,11 +367,6 @@ static void __init exynos5_map_io(void)
iotable_init(exynos5250_iodesc, ARRAY_SIZE(exynos5250_iodesc));
}
static void __init exynos5440_map_io(void)
{
iotable_init(exynos5440_iodesc0, ARRAY_SIZE(exynos5440_iodesc0));
}
void __init exynos_init_time(void)
{
of_clk_init(NULL);

1
arch/arm/mach-exynos/common.h
View File

@ -97,6 +97,5 @@ struct exynos_pmu_conf {
};
extern void exynos_sys_powerdown_conf(enum sys_powerdown mode);
extern void s3c_cpu_resume(void);
#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */

1
arch/arm/mach-exynos/cpuidle.c
View File

@ -25,6 +25,7 @@
#include <mach/regs-pmu.h>
#include <plat/cpu.h>
#include <plat/pm.h>
#include "common.h"

5
arch/arm/mach-exynos/include/mach/memory.h
View File

@ -15,8 +15,13 @@
#define PLAT_PHYS_OFFSET UL(0x40000000)
#ifndef CONFIG_ARM_LPAE
/* Maximum of 256MiB in one bank */
#define MAX_PHYSMEM_BITS 32
#define SECTION_SIZE_BITS 28
#else
#define MAX_PHYSMEM_BITS 36
#define SECTION_SIZE_BITS 31
#endif
#endif /* __ASM_ARCH_MEMORY_H */

6
arch/arm/mach-exynos/pm.c
View File

@ -217,6 +217,9 @@ static __init int exynos_pm_drvinit(void)
struct clk *pll_base;
unsigned int tmp;
if (soc_is_exynos5440())
return 0;
s3c_pm_init();
/* All wakeup disable */
@ -340,6 +343,9 @@ static struct syscore_ops exynos_pm_syscore_ops = {
static __init int exynos_pm_syscore_init(void)
{
if (soc_is_exynos5440())
return 0;
register_syscore_ops(&exynos_pm_syscore_ops);
return 0;
}

2
arch/arm/mach-footbridge/dc21285.c
View File

@ -276,8 +276,6 @@ int __init dc21285_setup(int nr, struct pci_sys_data *sys)
sys->mem_offset = DC21285_PCI_MEM;
pci_ioremap_io(0, DC21285_PCI_IO);
pci_add_resource_offset(&sys->resources, &res[0], sys->mem_offset);
pci_add_resource_offset(&sys->resources, &res[1], sys->mem_offset);

7
arch/arm/mach-highbank/highbank.c
View File

@ -115,6 +115,7 @@ static int highbank_platform_notifier(struct notifier_block *nb,
{
struct resource *res;
int reg = -1;
u32 val;
struct device *dev = __dev;
if (event != BUS_NOTIFY_ADD_DEVICE)
@ -141,10 +142,10 @@ static int highbank_platform_notifier(struct notifier_block *nb,
return NOTIFY_DONE;
if (of_property_read_bool(dev->of_node, "dma-coherent")) {
writel(0xff31, sregs_base + reg);
val = readl(sregs_base + reg);
writel(val | 0xff01, sregs_base + reg);
set_dma_ops(dev, &arm_coherent_dma_ops);
} else
writel(0, sregs_base + reg);
}
return NOTIFY_OK;
}

5
arch/arm/mach-imx/clk-imx6q.c
View File

@ -199,7 +199,8 @@ static const char *pcie_axi_sels[] = { "axi", "ahb", };
static const char *ssi_sels[] = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_post_div", };
static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", };
static const char *emi_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *emi_sels[] = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", };
static const char *emi_slow_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *vdo_axi_sels[] = { "axi", "ahb", };
static const char *vpu_axi_sels[] = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div",
@ -392,7 +393,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[usdhc4_sel] = imx_clk_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
clk[enfc_sel] = imx_clk_mux("enfc_sel", base + 0x2c, 16, 2, enfc_sels, ARRAY_SIZE(enfc_sels));
clk[emi_sel] = imx_clk_mux("emi_sel", base + 0x1c, 27, 2, emi_sels, ARRAY_SIZE(emi_sels));
clk[emi_slow_sel] = imx_clk_mux("emi_slow_sel", base + 0x1c, 29, 2, emi_sels, ARRAY_SIZE(emi_sels));
clk[emi_slow_sel] = imx_clk_mux("emi_slow_sel", base + 0x1c, 29, 2, emi_slow_sels, ARRAY_SIZE(emi_slow_sels));
clk[vdo_axi_sel] = imx_clk_mux("vdo_axi_sel", base + 0x18, 11, 1, vdo_axi_sels, ARRAY_SIZE(vdo_axi_sels));
clk[vpu_axi_sel] = imx_clk_mux("vpu_axi_sel", base + 0x18, 14, 2, vpu_axi_sels, ARRAY_SIZE(vpu_axi_sels));
clk[cko1_sel] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels));

2
arch/arm/mach-imx/clk-vf610.c
View File

@ -183,6 +183,8 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
clk[VF610_CLK_ENET_TS_SEL] = imx_clk_mux("enet_ts_sel", CCM_CSCMR2, 0, 3, enet_ts_sels, 7);
clk[VF610_CLK_ENET] = imx_clk_gate("enet", "enet_sel", CCM_CSCDR1, 24);
clk[VF610_CLK_ENET_TS] = imx_clk_gate("enet_ts", "enet_ts_sel", CCM_CSCDR1, 23);
clk[VF610_CLK_ENET0] = imx_clk_gate2("enet0", "ipg_bus", CCM_CCGR9, CCM_CCGRx_CGn(0));
clk[VF610_CLK_ENET1] = imx_clk_gate2("enet1", "ipg_bus", CCM_CCGR9, CCM_CCGRx_CGn(1));
clk[VF610_CLK_PIT] = imx_clk_gate2("pit", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(7));

2
arch/arm/mach-imx/mx27.h
View File

@ -135,7 +135,7 @@
#define MX27_INT_GPT4 (NR_IRQS_LEGACY + 4)
#define MX27_INT_RTIC (NR_IRQS_LEGACY + 5)
#define MX27_INT_CSPI3 (NR_IRQS_LEGACY + 6)
#define MX27_INT_SDHC (NR_IRQS_LEGACY + 7)
#define MX27_INT_MSHC (NR_IRQS_LEGACY + 7)
#define MX27_INT_GPIO (NR_IRQS_LEGACY + 8)
#define MX27_INT_SDHC3 (NR_IRQS_LEGACY + 9)
#define MX27_INT_SDHC2 (NR_IRQS_LEGACY + 10)

2
arch/arm/mach-keystone/keystone.c
View File

@ -49,7 +49,7 @@ static const char *keystone_match[] __initconst = {
NULL,
};
void keystone_restart(char mode, const char *cmd)
void keystone_restart(enum reboot_mode mode, const char *cmd)
{
u32 val;

3
arch/arm/mach-msm/Kconfig
View File

@ -121,8 +121,7 @@ config MSM_SMD
bool
config MSM_GPIOMUX
depends on !(ARCH_MSM8X60 || ARCH_MSM8960)
bool "MSM V1 TLMM GPIOMUX architecture"
bool
help
Support for MSM V1 TLMM GPIOMUX architecture.

33
arch/arm/mach-msm/gpiomux-v1.c
View File

@ -1,33 +0,0 @@
/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <linux/kernel.h>
#include "gpiomux.h"
#include "proc_comm.h"
void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val)
{
unsigned tlmm_config = (val & ~GPIOMUX_CTL_MASK) |
((gpio & 0x3ff) << 4);
unsigned tlmm_disable = 0;
int rc;
rc = msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX,
&tlmm_config, &tlmm_disable);
if (rc)
pr_err("%s: unexpected proc_comm failure %d: %08x %08x\n",
__func__, rc, tlmm_config, tlmm_disable);
}

10
arch/arm/mach-msm/gpiomux.h
View File

@ -73,16 +73,6 @@ extern struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS];
int msm_gpiomux_write(unsigned gpio,
gpiomux_config_t active,
gpiomux_config_t suspended);
/* Architecture-internal function for use by the framework only.
* This function can assume the following:
* - the gpio value has passed a bounds-check
* - the gpiomux spinlock has been obtained
*
* This function is not for public consumption. External users
* should use msm_gpiomux_write.
*/
void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val);
#else
static inline int msm_gpiomux_write(unsigned gpio,
gpiomux_config_t active,

2
arch/arm/mach-omap2/Kconfig
View File

@ -62,7 +62,7 @@ config SOC_OMAP5
select HAVE_SMP
select COMMON_CLK
select HAVE_ARM_ARCH_TIMER
select ARM_ERRATA_798181
select ARM_ERRATA_798181 if SMP
config SOC_AM33XX
bool "AM33XX support"

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