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Merge remote-tracking branch 'pfdo/drm-rcar-for-v3.12' into drm-next 

Merge the rcar stable branch that is being shared with the arm-soc tree.

Signed-off-by: Dave Airlie <airlied@redhat.com>
* pfdo/drm-rcar-for-v3.12: (220 commits)
  drm/rcar-du: Add FBDEV emulation support
  drm/rcar-du: Add internal LVDS encoder support
  drm/rcar-du: Configure RGB output routing to DPAD0
  drm/rcar-du: Rework output routing support
  drm/rcar-du: Add support for DEFR8 register
  drm/rcar-du: Add support for multiple groups
  drm/rcar-du: Fix buffer pitch alignment for R8A7790 DU
  drm/rcar-du: Add support for the R8A7790 DU
  drm/rcar-du: Move output routing configuration to group
  drm/rcar-du: Remove register definitions for the second channel
  drm/rcar-du: Use dynamic number of CRTCs instead of CRTCs array size
  drm/rcar-du: Introduce CRTCs groups
  drm/rcar-du: Rename rcar_du_plane_(init|register) to rcar_du_planes_*
  drm/rcar-du: Create rcar_du_planes structure
  drm/rcar-du: Rename platform data fields to match what they describe
  drm/rcar-du: Merge LVDS and VGA encoder code
  drm/rcar-du: Split VGA encoder and connector
  drm/rcar-du: Split LVDS encoder and connector
  drm/rcar-du: Clarify comment regarding plane Y source coordinate
  drm/rcar-du: Support per-CRTC clock and IRQ
  ...

Conflicts:
	drivers/gpu/drm/i915/i915_dma.c
	drivers/gpu/drm/i915/intel_pm.c
	drivers/gpu/drm/qxl/qxl_release.c
This commit is contained in:
Dave Airlie 2013-08-19 09:24:13 +10:00
parent a976718867 b43bd92568
commit 1dda8d02ac
254 changed files with 4196 additions and 3286 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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/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

42
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
-----------------------
@ -253,17 +253,17 @@ 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、
@ -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

32
MAINTAINERS
View File

@ -3622,11 +3622,9 @@ 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 +4470,6 @@ 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 +4986,7 @@ 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 +5882,7 @@ 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 +6046,28 @@ 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
@ -7746,7 +7753,6 @@ 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 +7818,7 @@ 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/
@ -9288,7 +9294,7 @@ 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 = -rc3
NAME = Linux for Workgroups
# *DOCUMENTATION*

3
arch/arm/Kconfig
View File

@ -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

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
>;
};
};

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 */

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

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;

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"

23
arch/arm/mach-omap2/board-generic.c
View File

@ -15,6 +15,7 @@
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/irqdomain.h>
#include <linux/clk.h>
#include <asm/mach/arch.h>
@ -35,6 +36,21 @@ static struct of_device_id omap_dt_match_table[] __initdata = {
{ }
};
/*
* Create alias for USB host PHY clock.
* Remove this when clock phandle can be provided via DT
*/
static void __init legacy_init_ehci_clk(char *clkname)
{
int ret;
ret = clk_add_alias("main_clk", NULL, clkname, NULL);
if (ret) {
pr_err("%s:Failed to add main_clk alias to %s :%d\n",
__func__, clkname, ret);
}
}
static void __init omap_generic_init(void)
{
omap_sdrc_init(NULL, NULL);
@ -45,10 +61,15 @@ static void __init omap_generic_init(void)
* HACK: call display setup code for selected boards to enable omapdss.
* This will be removed when omapdss supports DT.
*/
if (of_machine_is_compatible("ti,omap4-panda"))
if (of_machine_is_compatible("ti,omap4-panda")) {
omap4_panda_display_init_of();
legacy_init_ehci_clk("auxclk3_ck");
}
else if (of_machine_is_compatible("ti,omap4-sdp"))
omap_4430sdp_display_init_of();
else if (of_machine_is_compatible("ti,omap5-uevm"))
legacy_init_ehci_clk("auxclk1_ck");
}
#ifdef CONFIG_SOC_OMAP2420

17
arch/arm/mach-pxa/em-x270.c
View File

@ -477,16 +477,24 @@ static int em_x270_usb_hub_init(void)
/* USB Hub power-on and reset */
gpio_direction_output(usb_hub_reset, 1);
gpio_direction_output(GPIO9_USB_VBUS_EN, 0);
regulator_enable(em_x270_usb_ldo);
err = regulator_enable(em_x270_usb_ldo);
if (err)
goto err_free_rst_gpio;
gpio_set_value(usb_hub_reset, 0);
gpio_set_value(usb_hub_reset, 1);
regulator_disable(em_x270_usb_ldo);
regulator_enable(em_x270_usb_ldo);
err = regulator_enable(em_x270_usb_ldo);
if (err)
goto err_free_rst_gpio;
gpio_set_value(usb_hub_reset, 0);
gpio_set_value(GPIO9_USB_VBUS_EN, 1);
return 0;
err_free_rst_gpio:
gpio_free(usb_hub_reset);
err_free_vbus_gpio:
gpio_free(GPIO9_USB_VBUS_EN);
err_free_usb_ldo:
@ -592,7 +600,7 @@ err_irq:
return err;
}
static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
static int em_x270_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;
@ -600,10 +608,11 @@ static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
regulator_enable(em_x270_sdio_ldo);
return regulator_enable(em_x270_sdio_ldo);
} else {
regulator_disable(em_x270_sdio_ldo);
}
return 0;
}
static void em_x270_mci_exit(struct device *dev, void *data)

3
arch/arm/mach-pxa/mainstone.c
View File

@ -408,7 +408,7 @@ static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_in
return err;
}
static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
static int mainstone_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;
@ -420,6 +420,7 @@ static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
printk(KERN_DEBUG "%s: off\n", __func__);
MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
}
return 0;
}
static void mainstone_mci_exit(struct device *dev, void *data)

3
arch/arm/mach-pxa/pcm990-baseboard.c
View File

@ -335,7 +335,7 @@ static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
return err;
}
static void pcm990_mci_setpower(struct device *dev, unsigned int vdd)
static int pcm990_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data *p_d = dev->platform_data;
u8 val;
@ -348,6 +348,7 @@ static void pcm990_mci_setpower(struct device *dev, unsigned int vdd)
val &= ~PCM990_CTRL_MMC2PWR;
pcm990_cpld_writeb(PCM990_CTRL_MMC2PWR, PCM990_CTRL_REG5);
return 0;
}
static void pcm990_mci_exit(struct device *dev, void *data)

4
arch/arm/mach-pxa/poodle.c
View File

@ -258,7 +258,7 @@ err_free_2:
return err;
}
static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
static int poodle_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;
@ -270,6 +270,8 @@ static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
gpio_set_value(POODLE_GPIO_SD_PWR, 0);
}
return 0;
}
static void poodle_mci_exit(struct device *dev, void *data)

4
arch/arm/mach-pxa/spitz.c
View File

@ -598,7 +598,7 @@ static inline void spitz_spi_init(void) {}
* NOTE: The card detect interrupt isn't debounced so we delay it by 250ms to
* give the card a chance to fully insert/eject.
*/
static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
static int spitz_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;
@ -606,6 +606,8 @@ static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
else
spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
return 0;
}
static struct pxamci_platform_data spitz_mci_platform_data = {

3
arch/arm/mach-pxa/stargate2.c
View File

@ -734,9 +734,10 @@ static int stargate2_mci_init(struct device *dev,
*
* Very simple control. Either it is on or off and is controlled by
* a gpio pin */
static void stargate2_mci_setpower(struct device *dev, unsigned int vdd)
static int stargate2_mci_setpower(struct device *dev, unsigned int vdd)
{
gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
return 0;
}
static void stargate2_mci_exit(struct device *dev, void *data)

69
arch/arm/mach-s3c24xx/clock-s3c2410.c
View File

@ -119,66 +119,101 @@ static struct clk init_clocks_off[] = {
}
};
static struct clk init_clocks[] = {
{
static struct clk clk_lcd = {
.name = "lcd",
.parent = &clk_h,
.enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2410_CLKCON_LCDC,
}, {
};
static struct clk clk_gpio = {
.name = "gpio",
.parent = &clk_p,
.enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2410_CLKCON_GPIO,
}, {
};
static struct clk clk_usb_host = {
.name = "usb-host",
.parent = &clk_h,
.enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2410_CLKCON_USBH,
}, {
};
static struct clk clk_usb_device = {
.name = "usb-device",
.parent = &clk_h,
.enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2410_CLKCON_USBD,
}, {
};
static struct clk clk_timers = {
.name = "timers",
.parent = &clk_p,
.enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2410_CLKCON_PWMT,
}, {
};
struct clk s3c24xx_clk_uart0 = {
.name = "uart",
.devname = "s3c2410-uart.0",
.parent = &clk_p,
.enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2410_CLKCON_UART0,
}, {
};
struct clk s3c24xx_clk_uart1 = {
.name = "uart",
.devname = "s3c2410-uart.1",
.parent = &clk_p,
.enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2410_CLKCON_UART1,
}, {
};
struct clk s3c24xx_clk_uart2 = {
.name = "uart",
.devname = "s3c2410-uart.2",
.parent = &clk_p,
.enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2410_CLKCON_UART2,
}, {
};
static struct clk clk_rtc = {
.name = "rtc",
.parent = &clk_p,
.enable = s3c2410_clkcon_enable,
.ctrlbit = S3C2410_CLKCON_RTC,
}, {
};
static struct clk clk_watchdog = {
.name = "watchdog",
.parent = &clk_p,
.ctrlbit = 0,
}, {
};
static struct clk clk_usb_bus_host = {
.name = "usb-bus-host",
.parent = &clk_usb_bus,
}, {
};
static struct clk clk_usb_bus_gadget = {
.name = "usb-bus-gadget",
.parent = &clk_usb_bus,
},
};
static struct clk *init_clocks[] = {
&clk_lcd,
&clk_gpio,
&clk_usb_host,
&clk_usb_device,
&clk_timers,
&s3c24xx_clk_uart0,
&s3c24xx_clk_uart1,
&s3c24xx_clk_uart2,
&clk_rtc,
&clk_watchdog,
&clk_usb_bus_host,
&clk_usb_bus_gadget,
};
/* s3c2410_baseclk_add()
@ -195,7 +230,6 @@ int __init s3c2410_baseclk_add(void)
{
unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW);
unsigned long clkcon = __raw_readl(S3C2410_CLKCON);
struct clk *clkp;
struct clk *xtal;
int ret;
int ptr;
@ -207,8 +241,9 @@ int __init s3c2410_baseclk_add(void)
/* register clocks from clock array */
clkp = init_clocks;
for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++) {
struct clk *clkp = init_clocks[ptr];
/* ensure that we note the clock state */
clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0;

3
arch/arm/mach-s3c24xx/clock-s3c2440.c
View File

@ -166,6 +166,9 @@ static struct clk_lookup s3c2440_clk_lookup[] = {
CLKDEV_INIT(NULL, "clk_uart_baud1", &s3c24xx_uclk),
CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p),
CLKDEV_INIT(NULL, "clk_uart_baud3", &s3c2440_clk_fclk_n),
CLKDEV_INIT("s3c2440-uart.0", "uart", &s3c24xx_clk_uart0),
CLKDEV_INIT("s3c2440-uart.1", "uart", &s3c24xx_clk_uart1),
CLKDEV_INIT("s3c2440-uart.2", "uart", &s3c24xx_clk_uart2),
CLKDEV_INIT("s3c2440-camif", "camera", &s3c2440_clk_cam_upll),
};

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

@ -11,8 +11,9 @@ menuconfig ARCH_STI
select HAVE_SMP
select HAVE_ARM_SCU if SMP
select ARCH_REQUIRE_GPIOLIB
select ARM_ERRATA_720789
select ARM_ERRATA_754322
select ARM_ERRATA_764369
select ARM_ERRATA_775420
select PL310_ERRATA_753970 if CACHE_PL310
select PL310_ERRATA_769419 if CACHE_PL310
help

2
arch/arm/mach-zynq/common.c
View File

@ -91,7 +91,7 @@ static void __init zynq_map_io(void)
zynq_scu_map_io();
}
static void zynq_system_reset(char mode, const char *cmd)
static void zynq_system_reset(enum reboot_mode mode, const char *cmd)
{
zynq_slcr_system_reset();
}

7
arch/arm/plat-samsung/Kconfig
View File

@ -29,6 +29,13 @@ config PLAT_S5P
help
Base platform code for Samsung's S5P series SoC.
config SAMSUNG_PM
bool
depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5P64X0 || S5P_PM)
default y
help
Base platform power management code for samsung code
if PLAT_SAMSUNG
# boot configurations

2
arch/arm/plat-samsung/Makefile
View File

@ -51,7 +51,7 @@ obj-$(CONFIG_SAMSUNG_DMADEV) += dma-ops.o
# PM support
obj-$(CONFIG_PM) += pm.o
obj-$(CONFIG_SAMSUNG_PM) += pm.o
obj-$(CONFIG_SAMSUNG_PM_GPIO) += pm-gpio.o
obj-$(CONFIG_SAMSUNG_PM_CHECK) += pm-check.o

5
arch/arm/plat-samsung/include/plat/clock.h
View File

@ -83,6 +83,11 @@ extern struct clk clk_ext;
extern struct clksrc_clk clk_epllref;
extern struct clksrc_clk clk_esysclk;
/* S3C24XX UART clocks */
extern struct clk s3c24xx_clk_uart0;
extern struct clk s3c24xx_clk_uart1;
extern struct clk s3c24xx_clk_uart2;
/* S3C64XX specific clocks */
extern struct clk clk_h2;
extern struct clk clk_27m;

8
arch/arm/plat-samsung/include/plat/pm.h
View File

@ -19,7 +19,7 @@
struct device;
#ifdef CONFIG_PM
#ifdef CONFIG_SAMSUNG_PM
extern __init int s3c_pm_init(void);
extern __init int s3c64xx_pm_init(void);
@ -58,8 +58,6 @@ extern unsigned char pm_uart_udivslot; /* true to save UART UDIVSLOT */
/* from sleep.S */
extern void s3c_cpu_resume(void);
extern int s3c2410_cpu_suspend(unsigned long);
/* sleep save info */
@ -106,12 +104,14 @@ extern void s3c_pm_do_save(struct sleep_save *ptr, int count);
extern void s3c_pm_do_restore(struct sleep_save *ptr, int count);
extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count);
#ifdef CONFIG_PM
#ifdef CONFIG_SAMSUNG_PM
extern int s3c_irq_wake(struct irq_data *data, unsigned int state);
extern int s3c_irqext_wake(struct irq_data *data, unsigned int state);
extern void s3c_cpu_resume(void);
#else
#define s3c_irq_wake NULL
#define s3c_irqext_wake NULL
#define s3c_cpu_resume NULL
#endif
/* PM debug functions */

14
arch/arm/plat-samsung/pm.c
View File

@ -80,7 +80,7 @@ unsigned char pm_uart_udivslot;
#ifdef CONFIG_SAMSUNG_PM_DEBUG
static struct pm_uart_save uart_save[CONFIG_SERIAL_SAMSUNG_UARTS];
static struct pm_uart_save uart_save;
static void s3c_pm_save_uart(unsigned int uart, struct pm_uart_save *save)
{
@ -101,11 +101,7 @@ static void s3c_pm_save_uart(unsigned int uart, struct pm_uart_save *save)
static void s3c_pm_save_uarts(void)
{
struct pm_uart_save *save = uart_save;
unsigned int uart;
for (uart = 0; uart < CONFIG_SERIAL_SAMSUNG_UARTS; uart++, save++)
s3c_pm_save_uart(uart, save);
s3c_pm_save_uart(CONFIG_DEBUG_S3C_UART, &uart_save);
}
static void s3c_pm_restore_uart(unsigned int uart, struct pm_uart_save *save)
@ -126,11 +122,7 @@ static void s3c_pm_restore_uart(unsigned int uart, struct pm_uart_save *save)
static void s3c_pm_restore_uarts(void)
{
struct pm_uart_save *save = uart_save;
unsigned int uart;
for (uart = 0; uart < CONFIG_SERIAL_SAMSUNG_UARTS; uart++, save++)
s3c_pm_restore_uart(uart, save);
s3c_pm_restore_uart(CONFIG_DEBUG_S3C_UART, &uart_save);
}
#else
static void s3c_pm_save_uarts(void) { }

4
arch/arm64/include/asm/thread_info.h
View File

@ -24,10 +24,10 @@
#include <linux/compiler.h>
#ifndef CONFIG_ARM64_64K_PAGES
#define THREAD_SIZE_ORDER 1
#define THREAD_SIZE_ORDER 2
#endif
#define THREAD_SIZE 8192
#define THREAD_SIZE 16384
#define THREAD_START_SP (THREAD_SIZE - 16)
#ifndef __ASSEMBLY__

13
arch/arm64/include/asm/virt.h
View File

@ -21,6 +21,7 @@
#define BOOT_CPU_MODE_EL2 (0x0e12b007)
#ifndef __ASSEMBLY__
#include <asm/cacheflush.h>
/*
* __boot_cpu_mode records what mode CPUs were booted in.
@ -36,9 +37,20 @@ extern u32 __boot_cpu_mode[2];
void __hyp_set_vectors(phys_addr_t phys_vector_base);
phys_addr_t __hyp_get_vectors(void);
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.
*/
__flush_dcache_area(__boot_cpu_mode, sizeof(__boot_cpu_mode));
}
/* Reports the availability of HYP mode */
static inline bool is_hyp_mode_available(void)
{
sync_boot_mode();
return (__boot_cpu_mode[0] == BOOT_CPU_MODE_EL2 &&
__boot_cpu_mode[1] == BOOT_CPU_MODE_EL2);
}
@ -46,6 +58,7 @@ static inline bool is_hyp_mode_available(void)
/* Check if the bootloader has booted CPUs in different modes */
static inline bool is_hyp_mode_mismatched(void)
{
sync_boot_mode();
return __boot_cpu_mode[0] != __boot_cpu_mode[1];
}

2
arch/arm64/kernel/entry.S
View File

@ -121,7 +121,7 @@
.macro get_thread_info, rd
mov \rd, sp
and \rd, \rd, #~((1 << 13) - 1) // top of 8K stack
and \rd, \rd, #~(THREAD_SIZE - 1) // top of stack
.endm
/*

2
arch/arm64/kernel/process.c
View File

@ -81,7 +81,7 @@ void soft_restart(unsigned long addr)
void (*pm_power_off)(void);
EXPORT_SYMBOL_GPL(pm_power_off);
void (*arm_pm_restart)(char str, const char *cmd);
void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
EXPORT_SYMBOL_GPL(arm_pm_restart);
void arch_cpu_idle_prepare(void)

30
arch/powerpc/include/asm/eeh.h
View File

@ -55,6 +55,8 @@ struct device_node;
#define EEH_PE_RECOVERING (1 << 1) /* Recovering PE */
#define EEH_PE_PHB_DEAD (1 << 2) /* Dead PHB */
#define EEH_PE_KEEP (1 << 8) /* Keep PE on hotplug */
struct eeh_pe {
int type; /* PE type: PHB/Bus/Device */
int state; /* PE EEH dependent mode */
@ -72,8 +74,8 @@ struct eeh_pe {
struct list_head child; /* Child PEs */
};
#define eeh_pe_for_each_dev(pe, edev) \
list_for_each_entry(edev, &pe->edevs, list)
#define eeh_pe_for_each_dev(pe, edev, tmp) \
list_for_each_entry_safe(edev, tmp, &pe->edevs, list)
/*
* The struct is used to trace EEH state for the associated
@ -82,7 +84,13 @@ struct eeh_pe {
* another tree except the currently existing tree of PCI
* buses and PCI devices
*/
#define EEH_DEV_IRQ_DISABLED (1<<0) /* Interrupt disabled */
#define EEH_DEV_BRIDGE (1 << 0) /* PCI bridge */
#define EEH_DEV_ROOT_PORT (1 << 1) /* PCIe root port */
#define EEH_DEV_DS_PORT (1 << 2) /* Downstream port */
#define EEH_DEV_IRQ_DISABLED (1 << 3) /* Interrupt disabled */
#define EEH_DEV_DISCONNECTED (1 << 4) /* Removing from PE */
#define EEH_DEV_SYSFS (1 << 8) /* Sysfs created */
struct eeh_dev {
int mode; /* EEH mode */
@ -90,11 +98,13 @@ struct eeh_dev {
int config_addr; /* Config address */
int pe_config_addr; /* PE config address */
u32 config_space[16]; /* Saved PCI config space */
u8 pcie_cap; /* Saved PCIe capability */
struct eeh_pe *pe; /* Associated PE */
struct list_head list; /* Form link list in the PE */
struct pci_controller *phb; /* Associated PHB */
struct device_node *dn; /* Associated device node */
struct pci_dev *pdev; /* Associated PCI device */
struct pci_bus *bus; /* PCI bus for partial hotplug */
};
static inline struct device_node *eeh_dev_to_of_node(struct eeh_dev *edev)
@ -193,8 +203,10 @@ int eeh_phb_pe_create(struct pci_controller *phb);
struct eeh_pe *eeh_phb_pe_get(struct pci_controller *phb);
struct eeh_pe *eeh_pe_get(struct eeh_dev *edev);
int eeh_add_to_parent_pe(struct eeh_dev *edev);
int eeh_rmv_from_parent_pe(struct eeh_dev *edev, int purge_pe);
int eeh_rmv_from_parent_pe(struct eeh_dev *edev);
void eeh_pe_update_time_stamp(struct eeh_pe *pe);
void *eeh_pe_traverse(struct eeh_pe *root,
eeh_traverse_func fn, void *flag);
void *eeh_pe_dev_traverse(struct eeh_pe *root,
eeh_traverse_func fn, void *flag);
void eeh_pe_restore_bars(struct eeh_pe *pe);
@ -209,10 +221,12 @@ unsigned long eeh_check_failure(const volatile void __iomem *token,
unsigned long val);
int eeh_dev_check_failure(struct eeh_dev *edev);
void eeh_addr_cache_build(void);
void eeh_add_device_early(struct device_node *);
void eeh_add_device_tree_early(struct device_node *);
void eeh_add_device_late(struct pci_dev *);
void eeh_add_device_tree_late(struct pci_bus *);
void eeh_add_sysfs_files(struct pci_bus *);
void eeh_remove_bus_device(struct pci_dev *, int);
void eeh_remove_device(struct pci_dev *);
/**
* EEH_POSSIBLE_ERROR() -- test for possible MMIO failure.
@ -252,13 +266,17 @@ static inline unsigned long eeh_check_failure(const volatile void __iomem *token
static inline void eeh_addr_cache_build(void) { }
static inline void eeh_add_device_early(struct device_node *dn) { }
static inline void eeh_add_device_tree_early(struct device_node *dn) { }
static inline void eeh_add_device_late(struct pci_dev *dev) { }
static inline void eeh_add_device_tree_late(struct pci_bus *bus) { }
static inline void eeh_add_sysfs_files(struct pci_bus *bus) { }
static inline void eeh_remove_bus_device(struct pci_dev *dev, int purge_pe) { }
static inline void eeh_remove_device(struct pci_dev *dev) { }
#define EEH_POSSIBLE_ERROR(val, type) (0)
#define EEH_IO_ERROR_VALUE(size) (-1UL)

7
arch/powerpc/include/asm/hw_irq.h
View File

@ -96,10 +96,11 @@ static inline bool arch_irqs_disabled(void)
#endif
#define hard_irq_disable() do { \
u8 _was_enabled = get_paca()->soft_enabled; \
u8 _was_enabled; \
__hard_irq_disable(); \
get_paca()->soft_enabled = 0; \
get_paca()->irq_happened |= PACA_IRQ_HARD_DIS; \
_was_enabled = local_paca->soft_enabled; \
local_paca->soft_enabled = 0; \
local_paca->irq_happened |= PACA_IRQ_HARD_DIS; \
if (_was_enabled) \
trace_hardirqs_off(); \
} while(0)

5
arch/powerpc/include/asm/module.h
View File

@ -82,10 +82,9 @@ struct exception_table_entry;
void sort_ex_table(struct exception_table_entry *start,
struct exception_table_entry *finish);
#ifdef CONFIG_MODVERSIONS
#if defined(CONFIG_MODVERSIONS) && defined(CONFIG_PPC64)
#define ARCH_RELOCATES_KCRCTAB
extern const unsigned long reloc_start[];
#define reloc_start PHYSICAL_START
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MODULE_H */

1
arch/powerpc/include/asm/pci-bridge.h
View File

@ -209,7 +209,6 @@ static inline struct eeh_dev *of_node_to_eeh_dev(struct device_node *dn)
extern struct pci_bus *pcibios_find_pci_bus(struct device_node *dn);
/** Remove all of the PCI devices under this bus */
extern void __pcibios_remove_pci_devices(struct pci_bus *bus, int purge_pe);
extern void pcibios_remove_pci_devices(struct pci_bus *bus);
/** Discover new pci devices under this bus, and add them */

3
arch/powerpc/include/asm/reg.h
View File

@ -1088,7 +1088,8 @@
#define PVR_970MP 0x0044
#define PVR_970GX 0x0045
#define PVR_POWER7p 0x004A
#define PVR_POWER8 0x004B
#define PVR_POWER8E 0x004B
#define PVR_POWER8 0x004D
#define PVR_BE 0x0070
#define PVR_PA6T 0x0090

20
arch/powerpc/kernel/cputable.c
View File

@ -494,9 +494,27 @@ static struct cpu_spec __initdata cpu_specs[] = {
.cpu_restore = __restore_cpu_power7,
.platform = "power7+",
},
{ /* Power8 */
{ /* Power8E */
.pvr_mask = 0xffff0000,
.pvr_value = 0x004b0000,
.cpu_name = "POWER8E (raw)",
.cpu_features = CPU_FTRS_POWER8,
.cpu_user_features = COMMON_USER_POWER8,
.cpu_user_features2 = COMMON_USER2_POWER8,
.mmu_features = MMU_FTRS_POWER8,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
.pmc_type = PPC_PMC_IBM,
.oprofile_cpu_type = "ppc64/power8",
.oprofile_type = PPC_OPROFILE_INVALID,
.cpu_setup = __setup_cpu_power8,
.cpu_restore = __restore_cpu_power8,
.platform = "power8",
},
{ /* Power8 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x004d0000,
.cpu_name = "POWER8 (raw)",
.cpu_features = CPU_FTRS_POWER8,
.cpu_user_features = COMMON_USER_POWER8,

70
arch/powerpc/kernel/eeh.c
View File

@ -231,7 +231,7 @@ static size_t eeh_gather_pci_data(struct eeh_dev *edev, char * buf, size_t len)
void eeh_slot_error_detail(struct eeh_pe *pe, int severity)
{
size_t loglen = 0;
struct eeh_dev *edev;
struct eeh_dev *edev, *tmp;
bool valid_cfg_log = true;
/*
@ -251,7 +251,7 @@ void eeh_slot_error_detail(struct eeh_pe *pe, int severity)
eeh_pe_restore_bars(pe);
pci_regs_buf[0] = 0;
eeh_pe_for_each_dev(pe, edev) {
eeh_pe_for_each_dev(pe, edev, tmp) {
loglen += eeh_gather_pci_data(edev, pci_regs_buf + loglen,
EEH_PCI_REGS_LOG_LEN - loglen);
}
@ -499,8 +499,6 @@ unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned lon
}
eeh_dev_check_failure(edev);
pci_dev_put(eeh_dev_to_pci_dev(edev));
return val;
}
@ -838,7 +836,7 @@ core_initcall_sync(eeh_init);
* on the CEC architecture, type of the device, on earlier boot
* command-line arguments & etc.
*/
static void eeh_add_device_early(struct device_node *dn)
void eeh_add_device_early(struct device_node *dn)
{
struct pci_controller *phb;
@ -886,7 +884,7 @@ EXPORT_SYMBOL_GPL(eeh_add_device_tree_early);
* This routine must be used to complete EEH initialization for PCI
* devices that were added after system boot (e.g. hotplug, dlpar).
*/
static void eeh_add_device_late(struct pci_dev *dev)
void eeh_add_device_late(struct pci_dev *dev)
{
struct device_node *dn;
struct eeh_dev *edev;
@ -902,9 +900,23 @@ static void eeh_add_device_late(struct pci_dev *dev)
pr_debug("EEH: Already referenced !\n");
return;
}
WARN_ON(edev->pdev);
pci_dev_get(dev);
/*
* The EEH cache might not be removed correctly because of
* unbalanced kref to the device during unplug time, which
* relies on pcibios_release_device(). So we have to remove
* that here explicitly.
*/
if (edev->pdev) {
eeh_rmv_from_parent_pe(edev);
eeh_addr_cache_rmv_dev(edev->pdev);
eeh_sysfs_remove_device(edev->pdev);
edev->mode &= ~EEH_DEV_SYSFS;
edev->pdev = NULL;
dev->dev.archdata.edev = NULL;
}
edev->pdev = dev;
dev->dev.archdata.edev = edev;
@ -967,7 +979,6 @@ EXPORT_SYMBOL_GPL(eeh_add_sysfs_files);
/**
* eeh_remove_device - Undo EEH setup for the indicated pci device
* @dev: pci device to be removed
* @purge_pe: remove the PE or not
*
* This routine should be called when a device is removed from
* a running system (e.g. by hotplug or dlpar). It unregisters
@ -975,7 +986,7 @@ EXPORT_SYMBOL_GPL(eeh_add_sysfs_files);
* this device will no longer be detected after this call; thus,
* i/o errors affecting this slot may leave this device unusable.
*/
static void eeh_remove_device(struct pci_dev *dev, int purge_pe)
void eeh_remove_device(struct pci_dev *dev)
{
struct eeh_dev *edev;
@ -986,42 +997,29 @@ static void eeh_remove_device(struct pci_dev *dev, int purge_pe)
/* Unregister the device with the EEH/PCI address search system */
pr_debug("EEH: Removing device %s\n", pci_name(dev));
if (!edev || !edev->pdev) {
if (!edev || !edev->pdev || !edev->pe) {
pr_debug("EEH: Not referenced !\n");
return;
}
/*
* During the hotplug for EEH error recovery, we need the EEH
* device attached to the parent PE in order for BAR restore
* a bit later. So we keep it for BAR restore and remove it
* from the parent PE during the BAR resotre.
*/
edev->pdev = NULL;
dev->dev.archdata.edev = NULL;
pci_dev_put(dev);
if (!(edev->pe->state & EEH_PE_KEEP))
eeh_rmv_from_parent_pe(edev);
else
edev->mode |= EEH_DEV_DISCONNECTED;
eeh_rmv_from_parent_pe(edev, purge_pe);
eeh_addr_cache_rmv_dev(dev);
eeh_sysfs_remove_device(dev);
edev->mode &= ~EEH_DEV_SYSFS;
}
/**
* eeh_remove_bus_device - Undo EEH setup for the indicated PCI device
* @dev: PCI device
* @purge_pe: remove the corresponding PE or not
*
* This routine must be called when a device is removed from the
* running system through hotplug or dlpar. The corresponding
* PCI address cache will be removed.
*/
void eeh_remove_bus_device(struct pci_dev *dev, int purge_pe)
{
struct pci_bus *bus = dev->subordinate;
struct pci_dev *child, *tmp;
eeh_remove_device(dev, purge_pe);
if (bus && dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
list_for_each_entry_safe(child, tmp, &bus->devices, bus_list)
eeh_remove_bus_device(child, purge_pe);
}
}
EXPORT_SYMBOL_GPL(eeh_remove_bus_device);
static int proc_eeh_show(struct seq_file *m, void *v)
{
if (0 == eeh_subsystem_enabled) {

14
arch/powerpc/kernel/eeh_cache.c
View File

@ -68,17 +68,13 @@ static inline struct eeh_dev *__eeh_addr_cache_get_device(unsigned long addr)
struct pci_io_addr_range *piar;
piar = rb_entry(n, struct pci_io_addr_range, rb_node);
if (addr < piar->addr_lo) {
if (addr < piar->addr_lo)
n = n->rb_left;
} else {
if (addr > piar->addr_hi) {
else if (addr > piar->addr_hi)
n = n->rb_right;
} else {
pci_dev_get(piar->pcidev);
else
return piar->edev;
}
}
}
return NULL;
}
@ -156,7 +152,6 @@ eeh_addr_cache_insert(struct pci_dev *dev, unsigned long alo,
if (!piar)
return NULL;
pci_dev_get(dev);
piar->addr_lo = alo;
piar->addr_hi = ahi;
piar->edev = pci_dev_to_eeh_dev(dev);
@ -250,7 +245,6 @@ restart:
if (piar->pcidev == dev) {
rb_erase(n, &pci_io_addr_cache_root.rb_root);
pci_dev_put(piar->pcidev);
kfree(piar);
goto restart;
}
@ -302,12 +296,10 @@ void eeh_addr_cache_build(void)
if (!edev)
continue;
pci_dev_get(dev); /* matching put is in eeh_remove_device() */
dev->dev.archdata.edev = edev;
edev->pdev = dev;
eeh_addr_cache_insert_dev(dev);
eeh_sysfs_add_device(dev);
}

75
arch/powerpc/kernel/eeh_driver.c
View File

@ -143,9 +143,13 @@ static void eeh_disable_irq(struct pci_dev *dev)
static void eeh_enable_irq(struct pci_dev *dev)
{
struct eeh_dev *edev = pci_dev_to_eeh_dev(dev);
struct irq_desc *desc;
if ((edev->mode) & EEH_DEV_IRQ_DISABLED) {
edev->mode &= ~EEH_DEV_IRQ_DISABLED;
desc = irq_to_desc(dev->irq);
if (desc && desc->depth > 0)
enable_irq(dev->irq);
}
}
@ -338,6 +342,54 @@ static void *eeh_report_failure(void *data, void *userdata)
return NULL;
}
static void *eeh_rmv_device(void *data, void *userdata)
{
struct pci_driver *driver;
struct eeh_dev *edev = (struct eeh_dev *)data;
struct pci_dev *dev = eeh_dev_to_pci_dev(edev);
int *removed = (int *)userdata;
/*
* Actually, we should remove the PCI bridges as well.
* However, that's lots of complexity to do that,
* particularly some of devices under the bridge might
* support EEH. So we just care about PCI devices for
* simplicity here.
*/
if (!dev || (dev->hdr_type & PCI_HEADER_TYPE_BRIDGE))
return NULL;
driver = eeh_pcid_get(dev);
if (driver && driver->err_handler)
return NULL;
/* Remove it from PCI subsystem */
pr_debug("EEH: Removing %s without EEH sensitive driver\n",
pci_name(dev));
edev->bus = dev->bus;
edev->mode |= EEH_DEV_DISCONNECTED;
(*removed)++;
pci_stop_and_remove_bus_device(dev);
return NULL;
}
static void *eeh_pe_detach_dev(void *data, void *userdata)
{
struct eeh_pe *pe = (struct eeh_pe *)data;
struct eeh_dev *edev, *tmp;
eeh_pe_for_each_dev(pe, edev, tmp) {
if (!(edev->mode & EEH_DEV_DISCONNECTED))
continue;
edev->mode &= ~(EEH_DEV_DISCONNECTED | EEH_DEV_IRQ_DISABLED);
eeh_rmv_from_parent_pe(edev);
}
return NULL;
}
/**
* eeh_reset_device - Perform actual reset of a pci slot
* @pe: EEH PE
@ -349,8 +401,9 @@ static void *eeh_report_failure(void *data, void *userdata)
*/
static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus)
{
struct pci_bus *frozen_bus = eeh_pe_bus_get(pe);
struct timeval tstamp;
int cnt, rc;
int cnt, rc, removed = 0;
/* pcibios will clear the counter; save the value */
cnt = pe->freeze_count;
@ -362,8 +415,11 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus)
* devices are expected to be attached soon when calling
* into pcibios_add_pci_devices().
*/
eeh_pe_state_mark(pe, EEH_PE_KEEP);
if (bus)
__pcibios_remove_pci_devices(bus, 0);
pcibios_remove_pci_devices(bus);
else if (frozen_bus)
eeh_pe_dev_traverse(pe, eeh_rmv_device, &removed);
/* Reset the pci controller. (Asserts RST#; resets config space).
* Reconfigure bridges and devices. Don't try to bring the system
@ -384,9 +440,24 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus)
* potentially weird things happen.
*/
if (bus) {
pr_info("EEH: Sleep 5s ahead of complete hotplug\n");
ssleep(5);
/*
* The EEH device is still connected with its parent
* PE. We should disconnect it so the binding can be
* rebuilt when adding PCI devices.
*/
eeh_pe_traverse(pe, eeh_pe_detach_dev, NULL);
pcibios_add_pci_devices(bus);
} else if (frozen_bus && removed) {
pr_info("EEH: Sleep 5s ahead of partial hotplug\n");
ssleep(5);
eeh_pe_traverse(pe, eeh_pe_detach_dev, NULL);
pcibios_add_pci_devices(frozen_bus);
}
eeh_pe_state_clear(pe, EEH_PE_KEEP);
pe->tstamp = tstamp;
pe->freeze_count = cnt;

54
arch/powerpc/kernel/eeh_pe.c
View File

@ -149,7 +149,7 @@ static struct eeh_pe *eeh_pe_next(struct eeh_pe *pe,
* callback returns something other than NULL, or no more PEs
* to be traversed.
*/
static void *eeh_pe_traverse(struct eeh_pe *root,
void *eeh_pe_traverse(struct eeh_pe *root,
eeh_traverse_func fn, void *flag)
{
struct eeh_pe *pe;
@ -176,7 +176,7 @@ void *eeh_pe_dev_traverse(struct eeh_pe *root,
eeh_traverse_func fn, void *flag)
{
struct eeh_pe *pe;
struct eeh_dev *edev;
struct eeh_dev *edev, *tmp;
void *ret;
if (!root) {
@ -186,7 +186,7 @@ void *eeh_pe_dev_traverse(struct eeh_pe *root,
/* Traverse root PE */
for (pe = root; pe; pe = eeh_pe_next(pe, root)) {
eeh_pe_for_each_dev(pe, edev) {
eeh_pe_for_each_dev(pe, edev, tmp) {
ret = fn(edev, flag);
if (ret)
return ret;
@ -333,7 +333,7 @@ int eeh_add_to_parent_pe(struct eeh_dev *edev)
while (parent) {
if (!(parent->type & EEH_PE_INVALID))
break;
parent->type &= ~EEH_PE_INVALID;
parent->type &= ~(EEH_PE_INVALID | EEH_PE_KEEP);
parent = parent->parent;
}
pr_debug("EEH: Add %s to Device PE#%x, Parent PE#%x\n",
@ -397,20 +397,19 @@ int eeh_add_to_parent_pe(struct eeh_dev *edev)
/**
* eeh_rmv_from_parent_pe - Remove one EEH device from the associated PE
* @edev: EEH device
* @purge_pe: remove PE or not
*
* The PE hierarchy tree might be changed when doing PCI hotplug.
* Also, the PCI devices or buses could be removed from the system
* during EEH recovery. So we have to call the function remove the
* corresponding PE accordingly if necessary.
*/
int eeh_rmv_from_parent_pe(struct eeh_dev *edev, int purge_pe)
int eeh_rmv_from_parent_pe(struct eeh_dev *edev)
{
struct eeh_pe *pe, *parent, *child;
int cnt;
if (!edev->pe) {
pr_warning("%s: No PE found for EEH device %s\n",
pr_debug("%s: No PE found for EEH device %s\n",
__func__, edev->dn->full_name);
return -EEXIST;
}
@ -431,7 +430,7 @@ int eeh_rmv_from_parent_pe(struct eeh_dev *edev, int purge_pe)
if (pe->type & EEH_PE_PHB)
break;
if (purge_pe) {
if (!(pe->state & EEH_PE_KEEP)) {
if (list_empty(&pe->edevs) &&
list_empty(&pe->child_list)) {
list_del(&pe->child);
@ -502,7 +501,7 @@ static void *__eeh_pe_state_mark(void *data, void *flag)
{
struct eeh_pe *pe = (struct eeh_pe *)data;
int state = *((int *)flag);
struct eeh_dev *tmp;
struct eeh_dev *edev, *tmp;
struct pci_dev *pdev;
/*
@ -512,8 +511,8 @@ static void *__eeh_pe_state_mark(void *data, void *flag)
* the PCI device driver.
*/
pe->state |= state;
eeh_pe_for_each_dev(pe, tmp) {
pdev = eeh_dev_to_pci_dev(tmp);
eeh_pe_for_each_dev(pe, edev, tmp) {
pdev = eeh_dev_to_pci_dev(edev);
if (pdev)
pdev->error_state = pci_channel_io_frozen;
}
@ -579,7 +578,7 @@ void eeh_pe_state_clear(struct eeh_pe *pe, int state)
* blocked on normal path during the stage. So we need utilize
* eeh operations, which is always permitted.
*/
static void eeh_bridge_check_link(struct pci_dev *pdev,
static void eeh_bridge_check_link(struct eeh_dev *edev,
struct device_node *dn)
{
int cap;
@ -590,16 +589,17 @@ static void eeh_bridge_check_link(struct pci_dev *pdev,
* We only check root port and downstream ports of
* PCIe switches
*/
if (!pci_is_pcie(pdev) ||
(pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT &&
pci_pcie_type(pdev) != PCI_EXP_TYPE_DOWNSTREAM))
if (!(edev->mode & (EEH_DEV_ROOT_PORT | EEH_DEV_DS_PORT)))
return;
pr_debug("%s: Check PCIe link for %s ...\n",
__func__, pci_name(pdev));
pr_debug("%s: Check PCIe link for %04x:%02x:%02x.%01x ...\n",
__func__, edev->phb->global_number,
edev->config_addr >> 8,
PCI_SLOT(edev->config_addr & 0xFF),
PCI_FUNC(edev->config_addr & 0xFF));
/* Check slot status */
cap = pdev->pcie_cap;
cap = edev->pcie_cap;
eeh_ops->read_config(dn, cap + PCI_EXP_SLTSTA, 2, &val);
if (!(val & PCI_EXP_SLTSTA_PDS)) {
pr_debug(" No card in the slot (0x%04x) !\n", val);
@ -653,8 +653,7 @@ static void eeh_bridge_check_link(struct pci_dev *pdev,
#define BYTE_SWAP(OFF) (8*((OFF)/4)+3-(OFF))
#define SAVED_BYTE(OFF) (((u8 *)(edev->config_space))[BYTE_SWAP(OFF)])
static void eeh_restore_bridge_bars(struct pci_dev *pdev,
struct eeh_dev *edev,
static void eeh_restore_bridge_bars(struct eeh_dev *edev,
struct device_node *dn)
{
int i;
@ -680,7 +679,7 @@ static void eeh_restore_bridge_bars(struct pci_dev *pdev,
eeh_ops->write_config(dn, PCI_COMMAND, 4, edev->config_space[1]);
/* Check the PCIe link is ready */
eeh_bridge_check_link(pdev, dn);
eeh_bridge_check_link(edev, dn);
}
static void eeh_restore_device_bars(struct eeh_dev *edev,
@ -729,19 +728,12 @@ static void eeh_restore_device_bars(struct eeh_dev *edev,
*/
static void *eeh_restore_one_device_bars(void *data, void *flag)
{
struct pci_dev *pdev = NULL;
struct eeh_dev *edev = (struct eeh_dev *)data;
struct device_node *dn = eeh_dev_to_of_node(edev);
/* Trace the PCI bridge */
if (eeh_probe_mode_dev()) {
pdev = eeh_dev_to_pci_dev(edev);
if (pdev->hdr_type != PCI_HEADER_TYPE_BRIDGE)
pdev = NULL;
}
if (pdev)
eeh_restore_bridge_bars(pdev, edev, dn);
/* Do special restore for bridges */
if (edev->mode & EEH_DEV_BRIDGE)
eeh_restore_bridge_bars(edev, dn);
else
eeh_restore_device_bars(edev, dn);

21
arch/powerpc/kernel/eeh_sysfs.c
View File

@ -56,19 +56,40 @@ EEH_SHOW_ATTR(eeh_pe_config_addr, pe_config_addr, "0x%x");
void eeh_sysfs_add_device(struct pci_dev *pdev)
{
struct eeh_dev *edev = pci_dev_to_eeh_dev(pdev);
int rc=0;
if (edev && (edev->mode & EEH_DEV_SYSFS))
return;
rc += device_create_file(&pdev->dev, &dev_attr_eeh_mode);
rc += device_create_file(&pdev->dev, &dev_attr_eeh_config_addr);
rc += device_create_file(&pdev->dev, &dev_attr_eeh_pe_config_addr);
if (rc)
printk(KERN_WARNING "EEH: Unable to create sysfs entries\n");
else if (edev)
edev->mode |= EEH_DEV_SYSFS;
}
void eeh_sysfs_remove_device(struct pci_dev *pdev)
{
struct eeh_dev *edev = pci_dev_to_eeh_dev(pdev);
/*
* The parent directory might have been removed. We needn't
* continue for that case.
*/
if (!pdev->dev.kobj.sd) {
if (edev)
edev->mode &= ~EEH_DEV_SYSFS;
return;
}
device_remove_file(&pdev->dev, &dev_attr_eeh_mode);
device_remove_file(&pdev->dev, &dev_attr_eeh_config_addr);
device_remove_file(&pdev->dev, &dev_attr_eeh_pe_config_addr);
if (edev)
edev->mode &= ~EEH_DEV_SYSFS;
}

2
arch/powerpc/kernel/pci-common.c
View File

@ -1462,6 +1462,8 @@ void pcibios_finish_adding_to_bus(struct pci_bus *bus)
/* Allocate bus and devices resources */
pcibios_allocate_bus_resources(bus);
pcibios_claim_one_bus(bus);
if (!pci_has_flag(PCI_PROBE_ONLY))
pci_assign_unassigned_bus_resources(bus);
/* Fixup EEH */
eeh_add_device_tree_late(bus);

57
arch/powerpc/kernel/pci-hotplug.c
View File

@ -22,32 +22,14 @@
#include <asm/eeh.h>
/**
* __pcibios_remove_pci_devices - remove all devices under this bus
* @bus: the indicated PCI bus
* @purge_pe: destroy the PE on removal of PCI devices
* pcibios_release_device - release PCI device
* @dev: PCI device
*
* Remove all of the PCI devices under this bus both from the
* linux pci device tree, and from the powerpc EEH address cache.
* By default, the corresponding PE will be destroied during the
* normal PCI hotplug path. For PCI hotplug during EEH recovery,
* the corresponding PE won't be destroied and deallocated.
* The function is called before releasing the indicated PCI device.
*/
void __pcibios_remove_pci_devices(struct pci_bus *bus, int purge_pe)
void pcibios_release_device(struct pci_dev *dev)
{
struct pci_dev *dev, *tmp;
struct pci_bus *child_bus;
/* First go down child busses */
list_for_each_entry(child_bus, &bus->children, node)
__pcibios_remove_pci_devices(child_bus, purge_pe);
pr_debug("PCI: Removing devices on bus %04x:%02x\n",
pci_domain_nr(bus), bus->number);
list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) {
pr_debug(" * Removing %s...\n", pci_name(dev));
eeh_remove_bus_device(dev, purge_pe);
pci_stop_and_remove_bus_device(dev);
}
eeh_remove_device(dev);
}
/**
@ -59,8 +41,21 @@ void __pcibios_remove_pci_devices(struct pci_bus *bus, int purge_pe)
*/
void pcibios_remove_pci_devices(struct pci_bus *bus)
{
__pcibios_remove_pci_devices(bus, 1);
struct pci_dev *dev, *tmp;
struct pci_bus *child_bus;
/* First go down child busses */
list_for_each_entry(child_bus, &bus->children, node)
pcibios_remove_pci_devices(child_bus);
pr_debug("PCI: Removing devices on bus %04x:%02x\n",
pci_domain_nr(bus), bus->number);
list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) {
pr_debug(" Removing %s...\n", pci_name(dev));
pci_stop_and_remove_bus_device(dev);
}
}
EXPORT_SYMBOL_GPL(pcibios_remove_pci_devices);
/**
@ -76,7 +71,7 @@ EXPORT_SYMBOL_GPL(pcibios_remove_pci_devices);
*/
void pcibios_add_pci_devices(struct pci_bus * bus)
{
int slotno, num, mode, pass, max;
int slotno, mode, pass, max;
struct pci_dev *dev;
struct device_node *dn = pci_bus_to_OF_node(bus);
@ -90,11 +85,15 @@ void pcibios_add_pci_devices(struct pci_bus * bus)
/* use ofdt-based probe */
of_rescan_bus(dn, bus);
} else if (mode == PCI_PROBE_NORMAL) {
/* use legacy probe */
/*
* Use legacy probe. In the partial hotplug case, we
* probably have grandchildren devices unplugged. So
* we don't check the return value from pci_scan_slot() in
* order for fully rescan all the way down to pick them up.
* They can have been removed during partial hotplug.
*/
slotno = PCI_SLOT(PCI_DN(dn->child)->devfn);
num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0));
if (!num)
return;
pci_scan_slot(bus, PCI_DEVFN(slotno, 0));
pcibios_setup_bus_devices(bus);
max = bus->busn_res.start;
for (pass = 0; pass < 2; pass++) {

48
arch/powerpc/kernel/pci_of_scan.c
View File

@ -230,12 +230,15 @@ void of_scan_pci_bridge(struct pci_dev *dev)
return;
}
bus = pci_find_bus(pci_domain_nr(dev->bus), busrange[0]);
if (!bus) {
bus = pci_add_new_bus(dev->bus, dev, busrange[0]);
if (!bus) {
printk(KERN_ERR "Failed to create pci bus for %s\n",
node->full_name);
return;
}
}
bus->primary = dev->bus->number;
pci_bus_insert_busn_res(bus, busrange[0], busrange[1]);
@ -292,6 +295,38 @@ void of_scan_pci_bridge(struct pci_dev *dev)
}
EXPORT_SYMBOL(of_scan_pci_bridge);
static struct pci_dev *of_scan_pci_dev(struct pci_bus *bus,
struct device_node *dn)
{
struct pci_dev *dev = NULL;
const u32 *reg;
int reglen, devfn;
pr_debug(" * %s\n", dn->full_name);
if (!of_device_is_available(dn))
return NULL;
reg = of_get_property(dn, "reg", &reglen);
if (reg == NULL || reglen < 20)
return NULL;
devfn = (reg[0] >> 8) & 0xff;
/* Check if the PCI device is already there */
dev = pci_get_slot(bus, devfn);
if (dev) {
pci_dev_put(dev);
return dev;
}
/* create a new pci_dev for this device */
dev = of_create_pci_dev(dn, bus, devfn);
if (!dev)
return NULL;
pr_debug(" dev header type: %x\n", dev->hdr_type);
return dev;
}
/**
* __of_scan_bus - given a PCI bus node, setup bus and scan for child devices
* @node: device tree node for the PCI bus
@ -302,8 +337,6 @@ static void __of_scan_bus(struct device_node *node, struct pci_bus *bus,
int rescan_existing)
{
struct device_node *child;
const u32 *reg;
int reglen, devfn;
struct pci_dev *dev;
pr_debug("of_scan_bus(%s) bus no %d...\n",
@ -311,16 +344,7 @@ static void __of_scan_bus(struct device_node *node, struct pci_bus *bus,
/* Scan direct children */
for_each_child_of_node(node, child) {
pr_debug(" * %s\n", child->full_name);
if (!of_device_is_available(child))
continue;
reg = of_get_property(child, "reg", &reglen);
if (reg == NULL || reglen < 20)
continue;
devfn = (reg[0] >> 8) & 0xff;
/* create a new pci_dev for this device */
dev = of_create_pci_dev(child, bus, devfn);
dev = of_scan_pci_dev(bus, child);
if (!dev)
continue;
pr_debug(" dev header type: %x\n", dev->hdr_type);

5
arch/powerpc/kernel/prom_init.c
View File

@ -644,7 +644,8 @@ unsigned char ibm_architecture_vec[] = {
W(0xfffe0000), W(0x003a0000), /* POWER5/POWER5+ */
W(0xffff0000), W(0x003e0000), /* POWER6 */
W(0xffff0000), W(0x003f0000), /* POWER7 */
W(0xffff0000), W(0x004b0000), /* POWER8 */
W(0xffff0000), W(0x004b0000), /* POWER8E */
W(0xffff0000), W(0x004d0000), /* POWER8 */
W(0xffffffff), W(0x0f000004), /* all 2.07-compliant */
W(0xffffffff), W(0x0f000003), /* all 2.06-compliant */
W(0xffffffff), W(0x0f000002), /* all 2.05-compliant */
@ -706,7 +707,7 @@ unsigned char ibm_architecture_vec[] = {
* must match by the macro below. Update the definition if
* the structure layout changes.
*/
#define IBM_ARCH_VEC_NRCORES_OFFSET 117
#define IBM_ARCH_VEC_NRCORES_OFFSET 125
W(NR_CPUS), /* number of cores supported */
0,
0,

3
arch/powerpc/kernel/vmlinux.lds.S
View File

@ -38,9 +38,6 @@ jiffies = jiffies_64 + 4;
#endif
SECTIONS
{
. = 0;
reloc_start = .;
. = KERNELBASE;
/*

12
arch/powerpc/mm/hash_native_64.c
View File

@ -43,6 +43,7 @@ static inline void __tlbie(unsigned long vpn, int psize, int apsize, int ssize)
{
unsigned long va;
unsigned int penc;
unsigned long sllp;
/*
* We need 14 to 65 bits of va for a tlibe of 4K page
@ -64,7 +65,9 @@ static inline void __tlbie(unsigned long vpn, int psize, int apsize, int ssize)
/* clear out bits after (52) [0....52.....63] */
va &= ~((1ul << (64 - 52)) - 1);
va |= ssize << 8;
va |= mmu_psize_defs[apsize].sllp << 6;
sllp = ((mmu_psize_defs[apsize].sllp & SLB_VSID_L) >> 6) |
((mmu_psize_defs[apsize].sllp & SLB_VSID_LP) >> 4);
va |= sllp << 5;
asm volatile(ASM_FTR_IFCLR("tlbie %0,0", PPC_TLBIE(%1,%0), %2)
: : "r" (va), "r"(0), "i" (CPU_FTR_ARCH_206)
: "memory");
@ -98,6 +101,7 @@ static inline void __tlbiel(unsigned long vpn, int psize, int apsize, int ssize)
{
unsigned long va;
unsigned int penc;
unsigned long sllp;
/* VPN_SHIFT can be atmost 12 */
va = vpn << VPN_SHIFT;
@ -113,7 +117,9 @@ static inline void __tlbiel(unsigned long vpn, int psize, int apsize, int ssize)
/* clear out bits after(52) [0....52.....63] */
va &= ~((1ul << (64 - 52)) - 1);
va |= ssize << 8;
va |= mmu_psize_defs[apsize].sllp << 6;
sllp = ((mmu_psize_defs[apsize].sllp & SLB_VSID_L) >> 6) |
((mmu_psize_defs[apsize].sllp & SLB_VSID_LP) >> 4);
va |= sllp << 5;
asm volatile(".long 0x7c000224 | (%0 << 11) | (0 << 21)"
: : "r"(va) : "memory");
break;
@ -554,6 +560,7 @@ static void hpte_decode(struct hash_pte *hpte, unsigned long slot,
seg_off |= vpi << shift;
}
*vpn = vsid << (SID_SHIFT - VPN_SHIFT) | seg_off >> VPN_SHIFT;
break;
case MMU_SEGSIZE_1T:
/* We only have 40 - 23 bits of seg_off in avpn */
seg_off = (avpn & 0x1ffff) << 23;
@ -563,6 +570,7 @@ static void hpte_decode(struct hash_pte *hpte, unsigned long slot,
seg_off |= vpi << shift;
}
*vpn = vsid << (SID_SHIFT_1T - VPN_SHIFT) | seg_off >> VPN_SHIFT;
break;
default:
*vpn = size = 0;
}

5
arch/powerpc/perf/core-book3s.c
View File

@ -1252,8 +1252,11 @@ nocheck:
ret = 0;
out:
if (has_branch_stack(event))
if (has_branch_stack(event)) {
power_pmu_bhrb_enable(event);
cpuhw->bhrb_filter = ppmu->bhrb_filter_map(
event->attr.branch_sample_type);
}
perf_pmu_enable(event->pmu);
local_irq_restore(flags);

24
arch/powerpc/perf/power8-pmu.c
View File

@ -561,18 +561,13 @@ static int power8_generic_events[] = {
static u64 power8_bhrb_filter_map(u64 branch_sample_type)
{
u64 pmu_bhrb_filter = 0;
u64 br_privilege = branch_sample_type & ONLY_PLM;
/* BHRB and regular PMU events share the same prvillege state
/* BHRB and regular PMU events share the same privilege state
* filter configuration. BHRB is always recorded along with a
* regular PMU event. So privilege state filter criteria for BHRB
* and the companion PMU events has to be the same. As a default
* "perf record" tool sets all privillege bits ON when no filter
* criteria is provided in the command line. So as along as all
* privillege bits are ON or they are OFF, we are good to go.
* regular PMU event. As the privilege state filter is handled
* in the basic PMC configuration of the accompanying regular
* PMU event, we ignore any separate BHRB specific request.
*/
if ((br_privilege != 7) && (br_privilege != 0))
return -1;
/* No branch filter requested */
if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY)
@ -621,10 +616,19 @@ static struct power_pmu power8_pmu = {
static int __init init_power8_pmu(void)
{
int rc;
if (!cur_cpu_spec->oprofile_cpu_type ||
strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power8"))
return -ENODEV;
return register_power_pmu(&power8_pmu);
rc = register_power_pmu(&power8_pmu);
if (rc)
return rc;
/* Tell userspace that EBB is supported */
cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_EBB;
return 0;
}
early_initcall(init_power8_pmu);

15
arch/powerpc/platforms/powernv/eeh-powernv.c
View File

@ -114,7 +114,7 @@ static int powernv_eeh_dev_probe(struct pci_dev *dev, void *flag)
* the root bridge. So it's not reasonable to continue
* the probing.
*/
if (!dn || !edev)
if (!dn || !edev || edev->pe)
return 0;
/* Skip for PCI-ISA bridge */
@ -123,7 +123,18 @@ static int powernv_eeh_dev_probe(struct pci_dev *dev, void *flag)
/* Initialize eeh device */
edev->class_code = dev->class;
edev->mode = 0;
edev->mode &= 0xFFFFFF00;
if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE)
edev->mode |= EEH_DEV_BRIDGE;
if (pci_is_pcie(dev)) {
edev->pcie_cap = pci_pcie_cap(dev);
if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
edev->mode |= EEH_DEV_ROOT_PORT;
else if (pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM)
edev->mode |= EEH_DEV_DS_PORT;
}
edev->config_addr = ((dev->bus->number << 8) | dev->devfn);
edev->pe_config_addr = phb->bdfn_to_pe(phb, dev->bus, dev->devfn & 0xff);

2
arch/powerpc/platforms/powernv/pci-ioda.c
View File

@ -1266,7 +1266,7 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
opal_pci_set_pe(phb_id, 0, 0, 7, 1, 1 , OPAL_MAP_PE);
}
void pnv_pci_init_ioda2_phb(struct device_node *np)
void __init pnv_pci_init_ioda2_phb(struct device_node *np)
{
pnv_pci_init_ioda_phb(np, 0, PNV_PHB_IODA2);
}

1
arch/powerpc/platforms/pseries/Kconfig
View File

@ -19,7 +19,6 @@ config PPC_PSERIES
select ZLIB_DEFLATE
select PPC_DOORBELL
select HAVE_CONTEXT_TRACKING
select HOTPLUG if SMP
select HOTPLUG_CPU if SMP
default y

67
arch/powerpc/platforms/pseries/eeh_pseries.c
View File

@ -133,6 +133,48 @@ static int pseries_eeh_init(void)
return 0;
}
static int pseries_eeh_cap_start(struct device_node *dn)
{
struct pci_dn *pdn = PCI_DN(dn);
u32 status;
if (!pdn)
return 0;
rtas_read_config(pdn, PCI_STATUS, 2, &status);
if (!(status & PCI_STATUS_CAP_LIST))
return 0;
return PCI_CAPABILITY_LIST;
}
static int pseries_eeh_find_cap(struct device_node *dn, int cap)
{
struct pci_dn *pdn = PCI_DN(dn);
int pos = pseries_eeh_cap_start(dn);
int cnt = 48; /* Maximal number of capabilities */
u32 id;
if (!pos)
return 0;
while (cnt--) {
rtas_read_config(pdn, pos, 1, &pos);
if (pos < 0x40)
break;
pos &= ~3;
rtas_read_config(pdn, pos + PCI_CAP_LIST_ID, 1, &id);
if (id == 0xff)
break;
if (id == cap)
return pos;
pos += PCI_CAP_LIST_NEXT;
}
return 0;
}
/**
* pseries_eeh_of_probe - EEH probe on the given device
* @dn: OF node
@ -146,14 +188,16 @@ static void *pseries_eeh_of_probe(struct device_node *dn, void *flag)
{
struct eeh_dev *edev;
struct eeh_pe pe;
struct pci_dn *pdn = PCI_DN(dn);
const u32 *class_code, *vendor_id, *device_id;
const u32 *regs;
u32 pcie_flags;
int enable = 0;
int ret;
/* Retrieve OF node and eeh device */
edev = of_node_to_eeh_dev(dn);
if (!of_device_is_available(dn))
if (edev->pe || !of_device_is_available(dn))
return NULL;
/* Retrieve class/vendor/device IDs */
@ -167,9 +211,26 @@ static void *pseries_eeh_of_probe(struct device_node *dn, void *flag)
if (dn->type && !strcmp(dn->type, "isa"))
return NULL;
/* Update class code and mode of eeh device */
/*
* Update class code and mode of eeh device. We need
* correctly reflects that current device is root port
* or PCIe switch downstream port.
*/
edev->class_code = *class_code;
edev->mode = 0;
edev->pcie_cap = pseries_eeh_find_cap(dn, PCI_CAP_ID_EXP);
edev->mode &= 0xFFFFFF00;
if ((edev->class_code >> 8) == PCI_CLASS_BRIDGE_PCI) {
edev->mode |= EEH_DEV_BRIDGE;
if (edev->pcie_cap) {
rtas_read_config(pdn, edev->pcie_cap + PCI_EXP_FLAGS,
2, &pcie_flags);
pcie_flags = (pcie_flags & PCI_EXP_FLAGS_TYPE) >> 4;
if (pcie_flags == PCI_EXP_TYPE_ROOT_PORT)
edev->mode |= EEH_DEV_ROOT_PORT;
else if (pcie_flags == PCI_EXP_TYPE_DOWNSTREAM)
edev->mode |= EEH_DEV_DS_PORT;
}
}
/* Retrieve the device address */
regs = of_get_property(dn, "reg", NULL);

2
arch/powerpc/platforms/pseries/lpar.c
View File

@ -146,7 +146,7 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
flags = 0;
/* Make pHyp happy */
if ((rflags & _PAGE_NO_CACHE) & !(rflags & _PAGE_WRITETHRU))
if ((rflags & _PAGE_NO_CACHE) && !(rflags & _PAGE_WRITETHRU))
hpte_r &= ~_PAGE_COHERENT;
if (firmware_has_feature(FW_FEATURE_XCMO) && !(hpte_r & HPTE_R_N))
flags |= H_COALESCE_CAND;

3
arch/powerpc/platforms/pseries/ras.c
View File

@ -287,6 +287,9 @@ static struct rtas_error_log *fwnmi_get_errinfo(struct pt_regs *regs)
unsigned long *savep;
struct rtas_error_log *h, *errhdr = NULL;
/* Mask top two bits */
regs->gpr[3] &= ~(0x3UL << 62);
if (!VALID_FWNMI_BUFFER(regs->gpr[3])) {
printk(KERN_ERR "FWNMI: corrupt r3 0x%016lx\n", regs->gpr[3]);
return NULL;

2
arch/x86/crypto/Makefile
View File

@ -27,7 +27,6 @@ obj-$(CONFIG_CRYPTO_SHA1_SSSE3) += sha1-ssse3.o
obj-$(CONFIG_CRYPTO_CRC32_PCLMUL) += crc32-pclmul.o
obj-$(CONFIG_CRYPTO_SHA256_SSSE3) += sha256-ssse3.o
obj-$(CONFIG_CRYPTO_SHA512_SSSE3) += sha512-ssse3.o
obj-$(CONFIG_CRYPTO_CRCT10DIF_PCLMUL) += crct10dif-pclmul.o
# These modules require assembler to support AVX.
ifeq ($(avx_supported),yes)
@ -82,4 +81,3 @@ crc32c-intel-$(CONFIG_64BIT) += crc32c-pcl-intel-asm_64.o
crc32-pclmul-y := crc32-pclmul_asm.o crc32-pclmul_glue.o
sha256-ssse3-y := sha256-ssse3-asm.o sha256-avx-asm.o sha256-avx2-asm.o sha256_ssse3_glue.o
sha512-ssse3-y := sha512-ssse3-asm.o sha512-avx-asm.o sha512-avx2-asm.o sha512_ssse3_glue.o
crct10dif-pclmul-y := crct10dif-pcl-asm_64.o crct10dif-pclmul_glue.o

643
arch/x86/crypto/crct10dif-pcl-asm_64.S
View File

@ -1,643 +0,0 @@
########################################################################
# Implement fast CRC-T10DIF computation with SSE and PCLMULQDQ instructions
#
# Copyright (c) 2013, Intel Corporation
#
# Authors:
# Erdinc Ozturk <erdinc.ozturk@intel.com>
# Vinodh Gopal <vinodh.gopal@intel.com>
# James Guilford <james.guilford@intel.com>
# Tim Chen <tim.c.chen@linux.intel.com>
#
# This software is available to you under a choice of one of two
# licenses. You may choose to be licensed under the terms of the GNU
# General Public License (GPL) Version 2, available from the file
# COPYING in the main directory of this source tree, or the
# OpenIB.org BSD license below:
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the
# distribution.
#
# * Neither the name of the Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
#
# THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION ""AS IS"" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
########################################################################
# Function API:
# UINT16 crc_t10dif_pcl(
# UINT16 init_crc, //initial CRC value, 16 bits
# const unsigned char *buf, //buffer pointer to calculate CRC on
# UINT64 len //buffer length in bytes (64-bit data)
# );
#
# Reference paper titled "Fast CRC Computation for Generic
# Polynomials Using PCLMULQDQ Instruction"
# URL: http://www.intel.com/content/dam/www/public/us/en/documents
# /white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf
#
#
#include <linux/linkage.h>
.text
#define arg1 %rdi
#define arg2 %rsi
#define arg3 %rdx
#define arg1_low32 %edi
ENTRY(crc_t10dif_pcl)
.align 16
# adjust the 16-bit initial_crc value, scale it to 32 bits
shl $16, arg1_low32
# Allocate Stack Space
mov %rsp, %rcx
sub $16*2, %rsp
# align stack to 16 byte boundary
and $~(0x10 - 1), %rsp
# check if smaller than 256
cmp $256, arg3
# for sizes less than 128, we can't fold 64B at a time...
jl _less_than_128
# load the initial crc value
movd arg1_low32, %xmm10 # initial crc
# crc value does not need to be byte-reflected, but it needs
# to be moved to the high part of the register.
# because data will be byte-reflected and will align with
# initial crc at correct place.
pslldq $12, %xmm10
movdqa SHUF_MASK(%rip), %xmm11
# receive the initial 64B data, xor the initial crc value
movdqu 16*0(arg2), %xmm0
movdqu 16*1(arg2), %xmm1
movdqu 16*2(arg2), %xmm2
movdqu 16*3(arg2), %xmm3
movdqu 16*4(arg2), %xmm4
movdqu 16*5(arg2), %xmm5
movdqu 16*6(arg2), %xmm6
movdqu 16*7(arg2), %xmm7
pshufb %xmm11, %xmm0
# XOR the initial_crc value
pxor %xmm10, %xmm0
pshufb %xmm11, %xmm1
pshufb %xmm11, %xmm2
pshufb %xmm11, %xmm3
pshufb %xmm11, %xmm4
pshufb %xmm11, %xmm5
pshufb %xmm11, %xmm6
pshufb %xmm11, %xmm7
movdqa rk3(%rip), %xmm10 #xmm10 has rk3 and rk4
#imm value of pclmulqdq instruction
#will determine which constant to use
#################################################################
# we subtract 256 instead of 128 to save one instruction from the loop
sub $256, arg3
# at this section of the code, there is 64*x+y (0<=y<64) bytes of
# buffer. The _fold_64_B_loop will fold 64B at a time
# until we have 64+y Bytes of buffer
# fold 64B at a time. This section of the code folds 4 xmm
# registers in parallel
_fold_64_B_loop:
# update the buffer pointer
add $128, arg2 # buf += 64#
movdqu 16*0(arg2), %xmm9
movdqu 16*1(arg2), %xmm12
pshufb %xmm11, %xmm9
pshufb %xmm11, %xmm12
movdqa %xmm0, %xmm8
movdqa %xmm1, %xmm13
pclmulqdq $0x0 , %xmm10, %xmm0
pclmulqdq $0x11, %xmm10, %xmm8
pclmulqdq $0x0 , %xmm10, %xmm1
pclmulqdq $0x11, %xmm10, %xmm13
pxor %xmm9 , %xmm0
xorps %xmm8 , %xmm0
pxor %xmm12, %xmm1
xorps %xmm13, %xmm1
movdqu 16*2(arg2), %xmm9
movdqu 16*3(arg2), %xmm12
pshufb %xmm11, %xmm9
pshufb %xmm11, %xmm12
movdqa %xmm2, %xmm8
movdqa %xmm3, %xmm13
pclmulqdq $0x0, %xmm10, %xmm2
pclmulqdq $0x11, %xmm10, %xmm8
pclmulqdq $0x0, %xmm10, %xmm3
pclmulqdq $0x11, %xmm10, %xmm13
pxor %xmm9 , %xmm2
xorps %xmm8 , %xmm2
pxor %xmm12, %xmm3
xorps %xmm13, %xmm3
movdqu 16*4(arg2), %xmm9
movdqu 16*5(arg2), %xmm12
pshufb %xmm11, %xmm9
pshufb %xmm11, %xmm12
movdqa %xmm4, %xmm8
movdqa %xmm5, %xmm13
pclmulqdq $0x0, %xmm10, %xmm4
pclmulqdq $0x11, %xmm10, %xmm8
pclmulqdq $0x0, %xmm10, %xmm5
pclmulqdq $0x11, %xmm10, %xmm13
pxor %xmm9 , %xmm4
xorps %xmm8 , %xmm4
pxor %xmm12, %xmm5
xorps %xmm13, %xmm5
movdqu 16*6(arg2), %xmm9
movdqu 16*7(arg2), %xmm12
pshufb %xmm11, %xmm9
pshufb %xmm11, %xmm12
movdqa %xmm6 , %xmm8
movdqa %xmm7 , %xmm13
pclmulqdq $0x0 , %xmm10, %xmm6
pclmulqdq $0x11, %xmm10, %xmm8
pclmulqdq $0x0 , %xmm10, %xmm7
pclmulqdq $0x11, %xmm10, %xmm13
pxor %xmm9 , %xmm6
xorps %xmm8 , %xmm6
pxor %xmm12, %xmm7
xorps %xmm13, %xmm7
sub $128, arg3
# check if there is another 64B in the buffer to be able to fold
jge _fold_64_B_loop
##################################################################
add $128, arg2
# at this point, the buffer pointer is pointing at the last y Bytes
# of the buffer the 64B of folded data is in 4 of the xmm
# registers: xmm0, xmm1, xmm2, xmm3
# fold the 8 xmm registers to 1 xmm register with different constants
movdqa rk9(%rip), %xmm10
movdqa %xmm0, %xmm8
pclmulqdq $0x11, %xmm10, %xmm0
pclmulqdq $0x0 , %xmm10, %xmm8
pxor %xmm8, %xmm7
xorps %xmm0, %xmm7
movdqa rk11(%rip), %xmm10
movdqa %xmm1, %xmm8
pclmulqdq $0x11, %xmm10, %xmm1
pclmulqdq $0x0 , %xmm10, %xmm8
pxor %xmm8, %xmm7
xorps %xmm1, %xmm7
movdqa rk13(%rip), %xmm10
movdqa %xmm2, %xmm8
pclmulqdq $0x11, %xmm10, %xmm2
pclmulqdq $0x0 , %xmm10, %xmm8
pxor %xmm8, %xmm7
pxor %xmm2, %xmm7
movdqa rk15(%rip), %xmm10
movdqa %xmm3, %xmm8
pclmulqdq $0x11, %xmm10, %xmm3
pclmulqdq $0x0 , %xmm10, %xmm8
pxor %xmm8, %xmm7
xorps %xmm3, %xmm7
movdqa rk17(%rip), %xmm10
movdqa %xmm4, %xmm8
pclmulqdq $0x11, %xmm10, %xmm4
pclmulqdq $0x0 , %xmm10, %xmm8
pxor %xmm8, %xmm7
pxor %xmm4, %xmm7
movdqa rk19(%rip), %xmm10
movdqa %xmm5, %xmm8
pclmulqdq $0x11, %xmm10, %xmm5
pclmulqdq $0x0 , %xmm10, %xmm8
pxor %xmm8, %xmm7
xorps %xmm5, %xmm7
movdqa rk1(%rip), %xmm10 #xmm10 has rk1 and rk2
#imm value of pclmulqdq instruction
#will determine which constant to use
movdqa %xmm6, %xmm8
pclmulqdq $0x11, %xmm10, %xmm6
pclmulqdq $0x0 , %xmm10, %xmm8
pxor %xmm8, %xmm7
pxor %xmm6, %xmm7
# instead of 64, we add 48 to the loop counter to save 1 instruction
# from the loop instead of a cmp instruction, we use the negative
# flag with the jl instruction
add $128-16, arg3
jl _final_reduction_for_128
# now we have 16+y bytes left to reduce. 16 Bytes is in register xmm7
# and the rest is in memory. We can fold 16 bytes at a time if y>=16
# continue folding 16B at a time
_16B_reduction_loop:
movdqa %xmm7, %xmm8
pclmulqdq $0x11, %xmm10, %xmm7
pclmulqdq $0x0 , %xmm10, %xmm8
pxor %xmm8, %xmm7
movdqu (arg2), %xmm0
pshufb %xmm11, %xmm0
pxor %xmm0 , %xmm7
add $16, arg2
sub $16, arg3
# instead of a cmp instruction, we utilize the flags with the
# jge instruction equivalent of: cmp arg3, 16-16
# check if there is any more 16B in the buffer to be able to fold
jge _16B_reduction_loop
#now we have 16+z bytes left to reduce, where 0<= z < 16.
#first, we reduce the data in the xmm7 register
_final_reduction_for_128:
# check if any more data to fold. If not, compute the CRC of
# the final 128 bits
add $16, arg3
je _128_done
# here we are getting data that is less than 16 bytes.
# since we know that there was data before the pointer, we can
# offset the input pointer before the actual point, to receive
# exactly 16 bytes. after that the registers need to be adjusted.
_get_last_two_xmms:
movdqa %xmm7, %xmm2
movdqu -16(arg2, arg3), %xmm1
pshufb %xmm11, %xmm1
# get rid of the extra data that was loaded before
# load the shift constant
lea pshufb_shf_table+16(%rip), %rax
sub arg3, %rax
movdqu (%rax), %xmm0
# shift xmm2 to the left by arg3 bytes
pshufb %xmm0, %xmm2
# shift xmm7 to the right by 16-arg3 bytes
pxor mask1(%rip), %xmm0
pshufb %xmm0, %xmm7
pblendvb %xmm2, %xmm1 #xmm0 is implicit
# fold 16 Bytes
movdqa %xmm1, %xmm2
movdqa %xmm7, %xmm8
pclmulqdq $0x11, %xmm10, %xmm7
pclmulqdq $0x0 , %xmm10, %xmm8
pxor %xmm8, %xmm7
pxor %xmm2, %xmm7
_128_done:
# compute crc of a 128-bit value
movdqa rk5(%rip), %xmm10 # rk5 and rk6 in xmm10
movdqa %xmm7, %xmm0
#64b fold
pclmulqdq $0x1, %xmm10, %xmm7
pslldq $8 , %xmm0
pxor %xmm0, %xmm7
#32b fold
movdqa %xmm7, %xmm0
pand mask2(%rip), %xmm0
psrldq $12, %xmm7
pclmulqdq $0x10, %xmm10, %xmm7
pxor %xmm0, %xmm7
#barrett reduction
_barrett:
movdqa rk7(%rip), %xmm10 # rk7 and rk8 in xmm10
movdqa %xmm7, %xmm0
pclmulqdq $0x01, %xmm10, %xmm7
pslldq $4, %xmm7
pclmulqdq $0x11, %xmm10, %xmm7
pslldq $4, %xmm7
pxor %xmm0, %xmm7
pextrd $1, %xmm7, %eax
_cleanup:
# scale the result back to 16 bits
shr $16, %eax
mov %rcx, %rsp
ret
########################################################################
.align 16
_less_than_128:
# check if there is enough buffer to be able to fold 16B at a time
cmp $32, arg3
jl _less_than_32
movdqa SHUF_MASK(%rip), %xmm11
# now if there is, load the constants
movdqa rk1(%rip), %xmm10 # rk1 and rk2 in xmm10
movd arg1_low32, %xmm0 # get the initial crc value
pslldq $12, %xmm0 # align it to its correct place
movdqu (arg2), %xmm7 # load the plaintext
pshufb %xmm11, %xmm7 # byte-reflect the plaintext
pxor %xmm0, %xmm7
# update the buffer pointer
add $16, arg2
# update the counter. subtract 32 instead of 16 to save one
# instruction from the loop
sub $32, arg3
jmp _16B_reduction_loop
.align 16
_less_than_32:
# mov initial crc to the return value. this is necessary for
# zero-length buffers.
mov arg1_low32, %eax
test arg3, arg3
je _cleanup
movdqa SHUF_MASK(%rip), %xmm11
movd arg1_low32, %xmm0 # get the initial crc value
pslldq $12, %xmm0 # align it to its correct place
cmp $16, arg3
je _exact_16_left
jl _less_than_16_left
movdqu (arg2), %xmm7 # load the plaintext
pshufb %xmm11, %xmm7 # byte-reflect the plaintext
pxor %xmm0 , %xmm7 # xor the initial crc value
add $16, arg2
sub $16, arg3
movdqa rk1(%rip), %xmm10 # rk1 and rk2 in xmm10
jmp _get_last_two_xmms
.align 16
_less_than_16_left:
# use stack space to load data less than 16 bytes, zero-out
# the 16B in memory first.
pxor %xmm1, %xmm1
mov %rsp, %r11
movdqa %xmm1, (%r11)
cmp $4, arg3
jl _only_less_than_4
# backup the counter value
mov arg3, %r9
cmp $8, arg3
jl _less_than_8_left
# load 8 Bytes
mov (arg2), %rax
mov %rax, (%r11)
add $8, %r11
sub $8, arg3
add $8, arg2
_less_than_8_left:
cmp $4, arg3
jl _less_than_4_left
# load 4 Bytes
mov (arg2), %eax
mov %eax, (%r11)
add $4, %r11
sub $4, arg3
add $4, arg2
_less_than_4_left:
cmp $2, arg3
jl _less_than_2_left
# load 2 Bytes
mov (arg2), %ax
mov %ax, (%r11)
add $2, %r11
sub $2, arg3
add $2, arg2
_less_than_2_left:
cmp $1, arg3
jl _zero_left
# load 1 Byte
mov (arg2), %al
mov %al, (%r11)
_zero_left:
movdqa (%rsp), %xmm7
pshufb %xmm11, %xmm7
pxor %xmm0 , %xmm7 # xor the initial crc value
# shl r9, 4
lea pshufb_shf_table+16(%rip), %rax
sub %r9, %rax
movdqu (%rax), %xmm0
pxor mask1(%rip), %xmm0
pshufb %xmm0, %xmm7
jmp _128_done
.align 16
_exact_16_left:
movdqu (arg2), %xmm7
pshufb %xmm11, %xmm7
pxor %xmm0 , %xmm7 # xor the initial crc value
jmp _128_done
_only_less_than_4:
cmp $3, arg3
jl _only_less_than_3
# load 3 Bytes
mov (arg2), %al
mov %al, (%r11)
mov 1(arg2), %al
mov %al, 1(%r11)
mov 2(arg2), %al
mov %al, 2(%r11)
movdqa (%rsp), %xmm7
pshufb %xmm11, %xmm7
pxor %xmm0 , %xmm7 # xor the initial crc value
psrldq $5, %xmm7
jmp _barrett
_only_less_than_3:
cmp $2, arg3
jl _only_less_than_2
# load 2 Bytes
mov (arg2), %al
mov %al, (%r11)
mov 1(arg2), %al
mov %al, 1(%r11)
movdqa (%rsp), %xmm7
pshufb %xmm11, %xmm7
pxor %xmm0 , %xmm7 # xor the initial crc value
psrldq $6, %xmm7
jmp _barrett
_only_less_than_2:
# load 1 Byte
mov (arg2), %al
mov %al, (%r11)
movdqa (%rsp), %xmm7
pshufb %xmm11, %xmm7
pxor %xmm0 , %xmm7 # xor the initial crc value
psrldq $7, %xmm7
jmp _barrett
ENDPROC(crc_t10dif_pcl)
.data
# precomputed constants
# these constants are precomputed from the poly:
# 0x8bb70000 (0x8bb7 scaled to 32 bits)
.align 16
# Q = 0x18BB70000
# rk1 = 2^(32*3) mod Q << 32
# rk2 = 2^(32*5) mod Q << 32
# rk3 = 2^(32*15) mod Q << 32
# rk4 = 2^(32*17) mod Q << 32
# rk5 = 2^(32*3) mod Q << 32
# rk6 = 2^(32*2) mod Q << 32
# rk7 = floor(2^64/Q)
# rk8 = Q
rk1:
.quad 0x2d56000000000000
rk2:
.quad 0x06df000000000000
rk3:
.quad 0x9d9d000000000000
rk4:
.quad 0x7cf5000000000000
rk5:
.quad 0x2d56000000000000
rk6:
.quad 0x1368000000000000
rk7:
.quad 0x00000001f65a57f8
rk8:
.quad 0x000000018bb70000
rk9:
.quad 0xceae000000000000
rk10:
.quad 0xbfd6000000000000
rk11:
.quad 0x1e16000000000000
rk12:
.quad 0x713c000000000000
rk13:
.quad 0xf7f9000000000000
rk14:
.quad 0x80a6000000000000
rk15:
.quad 0x044c000000000000
rk16:
.quad 0xe658000000000000
rk17:
.quad 0xad18000000000000
rk18:
.quad 0xa497000000000000
rk19:
.quad 0x6ee3000000000000
rk20:
.quad 0xe7b5000000000000
mask1:
.octa 0x80808080808080808080808080808080
mask2:
.octa 0x00000000FFFFFFFFFFFFFFFFFFFFFFFF
SHUF_MASK:
.octa 0x000102030405060708090A0B0C0D0E0F
pshufb_shf_table:
# use these values for shift constants for the pshufb instruction
# different alignments result in values as shown:
# DDQ 0x008f8e8d8c8b8a898887868584838281 # shl 15 (16-1) / shr1
# DDQ 0x01008f8e8d8c8b8a8988878685848382 # shl 14 (16-3) / shr2
# DDQ 0x0201008f8e8d8c8b8a89888786858483 # shl 13 (16-4) / shr3
# DDQ 0x030201008f8e8d8c8b8a898887868584 # shl 12 (16-4) / shr4
# DDQ 0x04030201008f8e8d8c8b8a8988878685 # shl 11 (16-5) / shr5
# DDQ 0x0504030201008f8e8d8c8b8a89888786 # shl 10 (16-6) / shr6
# DDQ 0x060504030201008f8e8d8c8b8a898887 # shl 9 (16-7) / shr7
# DDQ 0x07060504030201008f8e8d8c8b8a8988 # shl 8 (16-8) / shr8
# DDQ 0x0807060504030201008f8e8d8c8b8a89 # shl 7 (16-9) / shr9
# DDQ 0x090807060504030201008f8e8d8c8b8a # shl 6 (16-10) / shr10
# DDQ 0x0a090807060504030201008f8e8d8c8b # shl 5 (16-11) / shr11
# DDQ 0x0b0a090807060504030201008f8e8d8c # shl 4 (16-12) / shr12
# DDQ 0x0c0b0a090807060504030201008f8e8d # shl 3 (16-13) / shr13
# DDQ 0x0d0c0b0a090807060504030201008f8e # shl 2 (16-14) / shr14
# DDQ 0x0e0d0c0b0a090807060504030201008f # shl 1 (16-15) / shr15
.octa 0x8f8e8d8c8b8a89888786858483828100
.octa 0x000e0d0c0b0a09080706050403020100

151
arch/x86/crypto/crct10dif-pclmul_glue.c
View File

@ -1,151 +0,0 @@
/*
* Cryptographic API.
*
* T10 Data Integrity Field CRC16 Crypto Transform using PCLMULQDQ Instructions
*
* Copyright (C) 2013 Intel Corporation
* Author: Tim Chen <tim.c.chen@linux.intel.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#include <linux/types.h>
#include <linux/module.h>
#include <linux/crc-t10dif.h>
#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <asm/i387.h>
#include <asm/cpufeature.h>
#include <asm/cpu_device_id.h>
asmlinkage __u16 crc_t10dif_pcl(__u16 crc, const unsigned char *buf,
size_t len);
struct chksum_desc_ctx {
__u16 crc;
};
/*
* Steps through buffer one byte at at time, calculates reflected
* crc using table.
*/
static int chksum_init(struct shash_desc *desc)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
ctx->crc = 0;
return 0;
}
static int chksum_update(struct shash_desc *desc, const u8 *data,
unsigned int length)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
if (irq_fpu_usable()) {
kernel_fpu_begin();
ctx->crc = crc_t10dif_pcl(ctx->crc, data, length);
kernel_fpu_end();
} else
ctx->crc = crc_t10dif_generic(ctx->crc, data, length);
return 0;
}
static int chksum_final(struct shash_desc *desc, u8 *out)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
*(__u16 *)out = ctx->crc;
return 0;
}
static int __chksum_finup(__u16 *crcp, const u8 *data, unsigned int len,
u8 *out)
{
if (irq_fpu_usable()) {
kernel_fpu_begin();
*(__u16 *)out = crc_t10dif_pcl(*crcp, data, len);
kernel_fpu_end();
} else
*(__u16 *)out = crc_t10dif_generic(*crcp, data, len);
return 0;
}
static int chksum_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
return __chksum_finup(&ctx->crc, data, len, out);
}
static int chksum_digest(struct shash_desc *desc, const u8 *data,
unsigned int length, u8 *out)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
return __chksum_finup(&ctx->crc, data, length, out);
}
static struct shash_alg alg = {
.digestsize = CRC_T10DIF_DIGEST_SIZE,
.init = chksum_init,
.update = chksum_update,
.final = chksum_final,
.finup = chksum_finup,
.digest = chksum_digest,
.descsize = sizeof(struct chksum_desc_ctx),
.base = {
.cra_name = "crct10dif",
.cra_driver_name = "crct10dif-pclmul",
.cra_priority = 200,
.cra_blocksize = CRC_T10DIF_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
};
static const struct x86_cpu_id crct10dif_cpu_id[] = {
X86_FEATURE_MATCH(X86_FEATURE_PCLMULQDQ),
{}
};
MODULE_DEVICE_TABLE(x86cpu, crct10dif_cpu_id);
static int __init crct10dif_intel_mod_init(void)
{
if (!x86_match_cpu(crct10dif_cpu_id))
return -ENODEV;
return crypto_register_shash(&alg);
}
static void __exit crct10dif_intel_mod_fini(void)
{
crypto_unregister_shash(&alg);
}
module_init(crct10dif_intel_mod_init);
module_exit(crct10dif_intel_mod_fini);
MODULE_AUTHOR("Tim Chen <tim.c.chen@linux.intel.com>");
MODULE_DESCRIPTION("T10 DIF CRC calculation accelerated with PCLMULQDQ.");
MODULE_LICENSE("GPL");
MODULE_ALIAS("crct10dif");
MODULE_ALIAS("crct10dif-pclmul");

19
crypto/Kconfig
View File

@ -376,25 +376,6 @@ config CRYPTO_CRC32_PCLMUL
which will enable any routine to use the CRC-32-IEEE 802.3 checksum
and gain better performance as compared with the table implementation.
config CRYPTO_CRCT10DIF
tristate "CRCT10DIF algorithm"
select CRYPTO_HASH
help
CRC T10 Data Integrity Field computation is being cast as
a crypto transform. This allows for faster crc t10 diff
transforms to be used if they are available.
config CRYPTO_CRCT10DIF_PCLMUL
tristate "CRCT10DIF PCLMULQDQ hardware acceleration"
depends on X86 && 64BIT && CRC_T10DIF
select CRYPTO_HASH
help
For x86_64 processors with SSE4.2 and PCLMULQDQ supported,
CRC T10 DIF PCLMULQDQ computation can be hardware
accelerated PCLMULQDQ instruction. This option will create
'crct10dif-plcmul' module, which is faster when computing the
crct10dif checksum as compared with the generic table implementation.
config CRYPTO_GHASH
tristate "GHASH digest algorithm"
select CRYPTO_GF128MUL

1
crypto/Makefile
View File

@ -83,7 +83,6 @@ obj-$(CONFIG_CRYPTO_ZLIB) += zlib.o
obj-$(CONFIG_CRYPTO_MICHAEL_MIC) += michael_mic.o
obj-$(CONFIG_CRYPTO_CRC32C) += crc32c.o
obj-$(CONFIG_CRYPTO_CRC32) += crc32.o
obj-$(CONFIG_CRYPTO_CRCT10DIF) += crct10dif.o
obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o authencesn.o
obj-$(CONFIG_CRYPTO_LZO) += lzo.o
obj-$(CONFIG_CRYPTO_LZ4) += lz4.o

178
crypto/crct10dif.c
View File

@ -1,178 +0,0 @@
/*
* Cryptographic API.
*
* T10 Data Integrity Field CRC16 Crypto Transform
*
* Copyright (c) 2007 Oracle Corporation. All rights reserved.
* Written by Martin K. Petersen <martin.petersen@oracle.com>
* Copyright (C) 2013 Intel Corporation
* Author: Tim Chen <tim.c.chen@linux.intel.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#include <linux/types.h>
#include <linux/module.h>
#include <linux/crc-t10dif.h>
#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/kernel.h>
struct chksum_desc_ctx {
__u16 crc;
};
/* Table generated using the following polynomium:
* x^16 + x^15 + x^11 + x^9 + x^8 + x^7 + x^5 + x^4 + x^2 + x + 1
* gt: 0x8bb7
*/
static const __u16 t10_dif_crc_table[256] = {
0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B,
0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6,
0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6,
0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B,
0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1,
0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C,
0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C,
0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781,
0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8,
0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255,
0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925,
0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698,
0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472,
0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF,
0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF,
0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02,
0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA,
0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067,
0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17,
0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA,
0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640,
0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD,
0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D,
0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30,
0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759,
0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4,
0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394,
0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29,
0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3,
0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E,
0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E,
0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3
};
__u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer, size_t len)
{
unsigned int i;
for (i = 0 ; i < len ; i++)
crc = (crc << 8) ^ t10_dif_crc_table[((crc >> 8) ^ buffer[i]) & 0xff];
return crc;
}
EXPORT_SYMBOL(crc_t10dif_generic);
/*
* Steps through buffer one byte at at time, calculates reflected
* crc using table.
*/
static int chksum_init(struct shash_desc *desc)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
ctx->crc = 0;
return 0;
}
static int chksum_update(struct shash_desc *desc, const u8 *data,
unsigned int length)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
ctx->crc = crc_t10dif_generic(ctx->crc, data, length);
return 0;
}
static int chksum_final(struct shash_desc *desc, u8 *out)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
*(__u16 *)out = ctx->crc;
return 0;
}
static int __chksum_finup(__u16 *crcp, const u8 *data, unsigned int len,
u8 *out)
{
*(__u16 *)out = crc_t10dif_generic(*crcp, data, len);
return 0;
}
static int chksum_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
return __chksum_finup(&ctx->crc, data, len, out);
}
static int chksum_digest(struct shash_desc *desc, const u8 *data,
unsigned int length, u8 *out)
{
struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
return __chksum_finup(&ctx->crc, data, length, out);
}
static struct shash_alg alg = {
.digestsize = CRC_T10DIF_DIGEST_SIZE,
.init = chksum_init,
.update = chksum_update,
.final = chksum_final,
.finup = chksum_finup,
.digest = chksum_digest,
.descsize = sizeof(struct chksum_desc_ctx),
.base = {
.cra_name = "crct10dif",
.cra_driver_name = "crct10dif-generic",
.cra_priority = 100,
.cra_blocksize = CRC_T10DIF_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
};
static int __init crct10dif_mod_init(void)
{
int ret;
ret = crypto_register_shash(&alg);
return ret;
}
static void __exit crct10dif_mod_fini(void)
{
crypto_unregister_shash(&alg);
}
module_init(crct10dif_mod_init);
module_exit(crct10dif_mod_fini);
MODULE_AUTHOR("Tim Chen <tim.c.chen@linux.intel.com>");
MODULE_DESCRIPTION("T10 DIF CRC calculation.");
MODULE_LICENSE("GPL");

8
crypto/tcrypt.c
View File

@ -1174,10 +1174,6 @@ static int do_test(int m)
ret += tcrypt_test("ghash");
break;
case 47:
ret += tcrypt_test("crct10dif");
break;
case 100:
ret += tcrypt_test("hmac(md5)");
break;
@ -1502,10 +1498,6 @@ static int do_test(int m)
test_hash_speed("crc32c", sec, generic_hash_speed_template);
if (mode > 300 && mode < 400) break;
case 320:
test_hash_speed("crct10dif", sec, generic_hash_speed_template);
if (mode > 300 && mode < 400) break;
case 399:
break;

10
crypto/testmgr.c
View File

@ -2045,16 +2045,6 @@ static const struct alg_test_desc alg_test_descs[] = {
.count = CRC32C_TEST_VECTORS
}
}
}, {
.alg = "crct10dif",
.test = alg_test_hash,
.fips_allowed = 1,
.suite = {
.hash = {
.vecs = crct10dif_tv_template,
.count = CRCT10DIF_TEST_VECTORS
}
}
}, {
.alg = "cryptd(__driver-cbc-aes-aesni)",
.test = alg_test_null,

33
crypto/testmgr.h
View File

@ -450,39 +450,6 @@ static struct hash_testvec rmd320_tv_template[] = {
}
};
#define CRCT10DIF_TEST_VECTORS 3
static struct hash_testvec crct10dif_tv_template[] = {
{
.plaintext = "abc",
.psize = 3,
#ifdef __LITTLE_ENDIAN
.digest = "\x3b\x44",
#else
.digest = "\x44\x3b",
#endif
}, {
.plaintext = "1234567890123456789012345678901234567890"
"123456789012345678901234567890123456789",
.psize = 79,
#ifdef __LITTLE_ENDIAN
.digest = "\x70\x4b",
#else
.digest = "\x4b\x70",
#endif
}, {
.plaintext =
"abcddddddddddddddddddddddddddddddddddddddddddddddddddddd",
.psize = 56,
#ifdef __LITTLE_ENDIAN
.digest = "\xe3\x9c",
#else
.digest = "\x9c\xe3",
#endif
.np = 2,
.tap = { 28, 28 }
}
};
/*
* SHA1 test vectors from from FIPS PUB 180-1
* Long vector from CAVS 5.0

2
drivers/acpi/internal.h
View File

@ -169,10 +169,8 @@ int acpi_create_platform_device(struct acpi_device *adev,
-------------------------------------------------------------------------- */
#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
bool acpi_video_backlight_quirks(void);
bool acpi_video_verify_backlight_support(void);
#else
static inline bool acpi_video_backlight_quirks(void) { return false; }
static inline bool acpi_video_verify_backlight_support(void) { return false; }
#endif
#endif /* _ACPI_INTERNAL_H_ */

67
drivers/acpi/video.c
View File

@ -911,7 +911,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
if (acpi_video_init_brightness(device))
return;
if (acpi_video_verify_backlight_support()) {
if (acpi_video_backlight_support()) {
struct backlight_properties props;
struct pci_dev *pdev;
acpi_handle acpi_parent;
@ -1366,8 +1366,8 @@ acpi_video_switch_brightness(struct acpi_video_device *device, int event)
unsigned long long level_current, level_next;
int result = -EINVAL;
/* no warning message if acpi_backlight=vendor or a quirk is used */
if (!acpi_video_verify_backlight_support())
/* no warning message if acpi_backlight=vendor is used */
if (!acpi_video_backlight_support())
return 0;
if (!device->brightness)
@ -1875,46 +1875,6 @@ static int acpi_video_bus_remove(struct acpi_device *device)
return 0;
}
static acpi_status video_unregister_backlight(acpi_handle handle, u32 lvl,
void *context, void **rv)
{
struct acpi_device *acpi_dev;
struct acpi_video_bus *video;
struct acpi_video_device *dev, *next;
if (acpi_bus_get_device(handle, &acpi_dev))
return AE_OK;
if (acpi_match_device_ids(acpi_dev, video_device_ids))
return AE_OK;
video = acpi_driver_data(acpi_dev);
if (!video)
return AE_OK;
acpi_video_bus_stop_devices(video);
mutex_lock(&video->device_list_lock);
list_for_each_entry_safe(dev, next, &video->video_device_list, entry) {
if (dev->backlight) {
backlight_device_unregister(dev->backlight);
dev->backlight = NULL;
kfree(dev->brightness->levels);
kfree(dev->brightness);
}
if (dev->cooling_dev) {
sysfs_remove_link(&dev->dev->dev.kobj,
"thermal_cooling");
sysfs_remove_link(&dev->cooling_dev->device.kobj,
"device");
thermal_cooling_device_unregister(dev->cooling_dev);
dev->cooling_dev = NULL;
}
}
mutex_unlock(&video->device_list_lock);
acpi_video_bus_start_devices(video);
return AE_OK;
}
static int __init is_i740(struct pci_dev *dev)
{
if (dev->device == 0x00D1)
@ -1946,25 +1906,14 @@ static int __init intel_opregion_present(void)
return opregion;
}
int __acpi_video_register(bool backlight_quirks)
int acpi_video_register(void)
{
bool no_backlight;
int result;
no_backlight = backlight_quirks ? acpi_video_backlight_quirks() : false;
int result = 0;
if (register_count) {
/*
* If acpi_video_register() has been called already, don't try
* to register acpi_video_bus, but unregister backlight devices
* if no backlight support is requested.
* if the function of acpi_video_register is already called,
* don't register the acpi_vide_bus again and return no error.
*/
if (no_backlight)
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
video_unregister_backlight,
NULL, NULL, NULL);
return 0;
}
@ -1980,7 +1929,7 @@ int __acpi_video_register(bool backlight_quirks)
return 0;
}
EXPORT_SYMBOL(__acpi_video_register);
EXPORT_SYMBOL(acpi_video_register);
void acpi_video_unregister(void)
{

15
drivers/acpi/video_detect.c
View File

@ -238,12 +238,7 @@ static void acpi_video_caps_check(void)
bool acpi_video_backlight_quirks(void)
{
if (acpi_gbl_osi_data >= ACPI_OSI_WIN_8) {
acpi_video_caps_check();
acpi_video_support |= ACPI_VIDEO_SKIP_BACKLIGHT;
return true;
}
return false;
return acpi_gbl_osi_data >= ACPI_OSI_WIN_8;
}
EXPORT_SYMBOL(acpi_video_backlight_quirks);
@ -291,14 +286,6 @@ int acpi_video_backlight_support(void)
}
EXPORT_SYMBOL(acpi_video_backlight_support);
/* For the ACPI video driver use only. */
bool acpi_video_verify_backlight_support(void)
{
return (acpi_video_support & ACPI_VIDEO_SKIP_BACKLIGHT) ?
false : acpi_video_backlight_support();
}
EXPORT_SYMBOL(acpi_video_verify_backlight_support);
/*
* Use acpi_backlight=vendor/video to force that backlight switching
* is processed by vendor specific acpi drivers or video.ko driver.

11
drivers/ata/Kconfig
View File

@ -97,6 +97,15 @@ config SATA_AHCI_PLATFORM
If unsure, say N.
config AHCI_IMX
tristate "Freescale i.MX AHCI SATA support"
depends on SATA_AHCI_PLATFORM && MFD_SYSCON
help
This option enables support for the Freescale i.MX SoC's
onboard AHCI SATA.
If unsure, say N.
config SATA_FSL
tristate "Freescale 3.0Gbps SATA support"
depends on FSL_SOC
@ -107,7 +116,7 @@ config SATA_FSL
If unsure, say N.
config SATA_INIC162X
tristate "Initio 162x SATA support"
tristate "Initio 162x SATA support (Very Experimental)"
depends on PCI
help
This option enables support for Initio 162x Serial ATA.

1
drivers/ata/Makefile
View File

@ -10,6 +10,7 @@ obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o
obj-$(CONFIG_SATA_SIL24) += sata_sil24.o
obj-$(CONFIG_SATA_DWC) += sata_dwc_460ex.o
obj-$(CONFIG_SATA_HIGHBANK) += sata_highbank.o libahci.o
obj-$(CONFIG_AHCI_IMX) += ahci_imx.o
# SFF w/ custom DMA
obj-$(CONFIG_PDC_ADMA) += pdc_adma.o

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