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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 

Just simple overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2017-10-05 17:57:03 -07:00
parent 4b54db1375 7a92616c0b
commit 53954cf8c5
566 changed files with 6097 additions and 3497 deletions
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2
.mailmap
View File

@ -68,6 +68,8 @@ Jacob Shin <Jacob.Shin@amd.com>
James Bottomley <jejb@mulgrave.(none)>
James Bottomley <jejb@titanic.il.steeleye.com>
James E Wilson <wilson@specifix.com>
James Hogan <jhogan@kernel.org> <james.hogan@imgtec.com>
James Hogan <jhogan@kernel.org> <james@albanarts.com>
James Ketrenos <jketreno@io.(none)>
Javi Merino <javi.merino@kernel.org> <javi.merino@arm.com>
<javier@osg.samsung.com> <javier.martinez@collabora.co.uk>

2
Documentation/ABI/testing/sysfs-power
View File

@ -127,7 +127,7 @@ Description:
What; /sys/power/pm_trace_dev_match
Date: October 2010
Contact: James Hogan <james@albanarts.com>
Contact: James Hogan <jhogan@kernel.org>
Description:
The /sys/power/pm_trace_dev_match file contains the name of the
device associated with the last PM event point saved in the RTC

12
Documentation/core-api/workqueue.rst
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@ -39,8 +39,8 @@ up.
Although MT wq wasted a lot of resource, the level of concurrency
provided was unsatisfactory. The limitation was common to both ST and
MT wq albeit less severe on MT. Each wq maintained its own separate
worker pool. A MT wq could provide only one execution context per CPU
while a ST wq one for the whole system. Work items had to compete for
worker pool. An MT wq could provide only one execution context per CPU
while an ST wq one for the whole system. Work items had to compete for
those very limited execution contexts leading to various problems
including proneness to deadlocks around the single execution context.
@ -151,7 +151,7 @@ Application Programming Interface (API)
``alloc_workqueue()`` allocates a wq. The original
``create_*workqueue()`` functions are deprecated and scheduled for
removal. ``alloc_workqueue()`` takes three arguments - @``name``,
removal. ``alloc_workqueue()`` takes three arguments - ``@name``,
``@flags`` and ``@max_active``. ``@name`` is the name of the wq and
also used as the name of the rescuer thread if there is one.
@ -197,7 +197,7 @@ resources, scheduled and executed.
served by worker threads with elevated nice level.
Note that normal and highpri worker-pools don't interact with
each other. Each maintain its separate pool of workers and
each other. Each maintains its separate pool of workers and
implements concurrency management among its workers.
``WQ_CPU_INTENSIVE``
@ -249,8 +249,8 @@ unbound worker-pools and only one work item could be active at any given
time thus achieving the same ordering property as ST wq.
In the current implementation the above configuration only guarantees
ST behavior within a given NUMA node. Instead alloc_ordered_queue should
be used to achieve system wide ST behavior.
ST behavior within a given NUMA node. Instead ``alloc_ordered_queue()`` should
be used to achieve system-wide ST behavior.
Example Execution Scenarios

2
Documentation/cpu-freq/index.txt
View File

@ -32,8 +32,6 @@ cpufreq-stats.txt - General description of sysfs cpufreq stats.
index.txt - File index, Mailing list and Links (this document)
intel-pstate.txt - Intel pstate cpufreq driver specific file.
pcc-cpufreq.txt - PCC cpufreq driver specific file.

1
Documentation/device-mapper/dm-raid.txt
View File

@ -344,3 +344,4 @@ Version History
(wrong raid10_copies/raid10_format sequence)
1.11.1 Add raid4/5/6 journal write-back support via journal_mode option
1.12.1 fix for MD deadlock between mddev_suspend() and md_write_start() available
1.13.0 Fix dev_health status at end of "recover" (was 'a', now 'A')

2
Documentation/devicetree/bindings/clock/st,stm32h7-rcc.txt
View File

@ -32,7 +32,7 @@ Example:
compatible = "st,stm32h743-rcc", "st,stm32-rcc";
reg = <0x58024400 0x400>;
#reset-cells = <1>;
#clock-cells = <2>;
#clock-cells = <1>;
clocks = <&clk_hse>, <&clk_lse>, <&clk_i2s_ckin>;
st,syscfg = <&pwrcfg>;

28
Documentation/devicetree/bindings/leds/ams,as3645a.txt
View File

@ -15,11 +15,14 @@ Required properties
compatible : Must be "ams,as3645a".
reg : The I2C address of the device. Typically 0x30.
#address-cells : 1
#size-cells : 0
Required properties of the "flash" child node
=============================================
Required properties of the flash child node (0)
===============================================
reg: 0
flash-timeout-us: Flash timeout in microseconds. The value must be in
the range [100000, 850000] and divisible by 50000.
flash-max-microamp: Maximum flash current in microamperes. Has to be
@ -33,20 +36,21 @@ ams,input-max-microamp: Maximum flash controller input current. The
and divisible by 50000.
Optional properties of the "flash" child node
=============================================
Optional properties of the flash child node
===========================================
label : The label of the flash LED.
Required properties of the "indicator" child node
=================================================
Required properties of the indicator child node (1)
===================================================
reg: 1
led-max-microamp: Maximum indicator current. The allowed values are
2500, 5000, 7500 and 10000.
Optional properties of the "indicator" child node
=================================================
Optional properties of the indicator child node
===============================================
label : The label of the indicator LED.
@ -55,16 +59,20 @@ Example
=======
as3645a@30 {
#address-cells: 1
#size-cells: 0
reg = <0x30>;
compatible = "ams,as3645a";
flash {
flash@0 {
reg = <0x0>;
flash-timeout-us = <150000>;
flash-max-microamp = <320000>;
led-max-microamp = <60000>;
ams,input-max-microamp = <1750000>;
label = "as3645a:flash";
};
indicator {
indicator@1 {
reg = <0x1>;
led-max-microamp = <10000>;
label = "as3645a:indicator";
};

10
Documentation/devicetree/bindings/net/marvell-pp2.txt
View File

@ -21,8 +21,9 @@ Required properties:
- main controller clock (for both armada-375-pp2 and armada-7k-pp2)
- GOP clock (for both armada-375-pp2 and armada-7k-pp2)
- MG clock (only for armada-7k-pp2)
- clock-names: names of used clocks, must be "pp_clk", "gop_clk" and
"mg_clk" (the latter only for armada-7k-pp2).
- AXI clock (only for armada-7k-pp2)
- clock-names: names of used clocks, must be "pp_clk", "gop_clk", "mg_clk"
and "axi_clk" (the 2 latter only for armada-7k-pp2).
The ethernet ports are represented by subnodes. At least one port is
required.
@ -78,8 +79,9 @@ Example for marvell,armada-7k-pp2:
cpm_ethernet: ethernet@0 {
compatible = "marvell,armada-7k-pp22";
reg = <0x0 0x100000>, <0x129000 0xb000>;
clocks = <&cpm_syscon0 1 3>, <&cpm_syscon0 1 9>, <&cpm_syscon0 1 5>;
clock-names = "pp_clk", "gop_clk", "gp_clk";
clocks = <&cpm_syscon0 1 3>, <&cpm_syscon0 1 9>,
<&cpm_syscon0 1 5>, <&cpm_syscon0 1 18>;
clock-names = "pp_clk", "gop_clk", "gp_clk", "axi_clk";
eth0: eth0 {
interrupts = <ICU_GRP_NSR 39 IRQ_TYPE_LEVEL_HIGH>,

1
Documentation/devicetree/bindings/net/rockchip-dwmac.txt
View File

@ -4,6 +4,7 @@ The device node has following properties.
Required properties:
- compatible: should be "rockchip,<name>-gamc"
"rockchip,rk3128-gmac": found on RK312x SoCs
"rockchip,rk3228-gmac": found on RK322x SoCs
"rockchip,rk3288-gmac": found on RK3288 SoCs
"rockchip,rk3328-gmac": found on RK3328 SoCs

28
Documentation/devicetree/bindings/reset/snps,hsdk-reset.txt Normal file
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@ -0,0 +1,28 @@
Binding for the Synopsys HSDK reset controller
This binding uses the common reset binding[1].
[1] Documentation/devicetree/bindings/reset/reset.txt
Required properties:
- compatible: should be "snps,hsdk-reset".
- reg: should always contain 2 pairs address - length: first for reset
configuration register and second for corresponding SW reset and status bits
register.
- #reset-cells: from common reset binding; Should always be set to 1.
Example:
reset: reset@880 {
compatible = "snps,hsdk-reset";
#reset-cells = <1>;
reg = <0x8A0 0x4>, <0xFF0 0x4>;
};
Specifying reset lines connected to IP modules:
ethernet@.... {
....
resets = <&reset HSDK_V1_ETH_RESET>;
....
};
The index could be found in <dt-bindings/reset/snps,hsdk-reset.h>

6
Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
View File

@ -8,6 +8,12 @@ Required properties:
the firmware event log
- linux,sml-size : size of the memory allocated for the firmware event log
Optional properties:
- powered-while-suspended: present when the TPM is left powered on between
suspend and resume (makes the suspend/resume
callbacks do nothing).
Example (for OpenPower Systems with Nuvoton TPM 2.0 on I2C)
----------------------------------------------------------

2
Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
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@ -41,6 +41,8 @@ Required properties:
- "renesas,hscif-r8a7795" for R8A7795 (R-Car H3) HSCIF compatible UART.
- "renesas,scif-r8a7796" for R8A7796 (R-Car M3-W) SCIF compatible UART.
- "renesas,hscif-r8a7796" for R8A7796 (R-Car M3-W) HSCIF compatible UART.
- "renesas,scif-r8a77970" for R8A77970 (R-Car V3M) SCIF compatible UART.
- "renesas,hscif-r8a77970" for R8A77970 (R-Car V3M) HSCIF compatible UART.
- "renesas,scif-r8a77995" for R8A77995 (R-Car D3) SCIF compatible UART.
- "renesas,hscif-r8a77995" for R8A77995 (R-Car D3) HSCIF compatible UART.
- "renesas,scifa-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFA compatible UART.

2
Documentation/devicetree/bindings/vendor-prefixes.txt
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@ -3,8 +3,8 @@ Device tree binding vendor prefix registry. Keep list in alphabetical order.
This isn't an exhaustive list, but you should add new prefixes to it before
using them to avoid name-space collisions.
abcn Abracon Corporation
abilis Abilis Systems
abracon Abracon Corporation
actions Actions Semiconductor Co., Ltd.
active-semi Active-Semi International Inc
ad Avionic Design GmbH

7
Documentation/driver-model/driver.txt
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@ -196,12 +196,13 @@ struct driver_attribute {
};
Device drivers can export attributes via their sysfs directories.
Drivers can declare attributes using a DRIVER_ATTR macro that works
identically to the DEVICE_ATTR macro.
Drivers can declare attributes using a DRIVER_ATTR_RW and DRIVER_ATTR_RO
macro that works identically to the DEVICE_ATTR_RW and DEVICE_ATTR_RO
macros.
Example:
DRIVER_ATTR(debug,0644,show_debug,store_debug);
DRIVER_ATTR_RW(debug);
This is equivalent to declaring:

3
Documentation/filesystems/sysfs.txt
View File

@ -366,7 +366,8 @@ struct driver_attribute {
Declaring:
DRIVER_ATTR(_name, _mode, _show, _store)
DRIVER_ATTR_RO(_name)
DRIVER_ATTR_RW(_name)
Creation/Removal:

24
MAINTAINERS
View File

@ -6738,7 +6738,7 @@ F: Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt
F: drivers/auxdisplay/img-ascii-lcd.c
IMGTEC IR DECODER DRIVER
M: James Hogan <james.hogan@imgtec.com>
M: James Hogan <jhogan@kernel.org>
S: Maintained
F: drivers/media/rc/img-ir/
@ -7562,7 +7562,7 @@ F: arch/arm64/include/asm/kvm*
F: arch/arm64/kvm/
KERNEL VIRTUAL MACHINE FOR MIPS (KVM/mips)
M: James Hogan <james.hogan@imgtec.com>
M: James Hogan <jhogan@kernel.org>
L: linux-mips@linux-mips.org
S: Supported
F: arch/mips/include/uapi/asm/kvm*
@ -8264,6 +8264,12 @@ L: libertas-dev@lists.infradead.org
S: Orphan
F: drivers/net/wireless/marvell/libertas/
MARVELL MACCHIATOBIN SUPPORT
M: Russell King <rmk@armlinux.org.uk>
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
MARVELL MV643XX ETHERNET DRIVER
M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
L: netdev@vger.kernel.org
@ -8597,6 +8603,12 @@ M: Sean Wang <sean.wang@mediatek.com>
S: Maintained
F: drivers/media/rc/mtk-cir.c
MEDIATEK PMIC LED DRIVER
M: Sean Wang <sean.wang@mediatek.com>
S: Maintained
F: drivers/leds/leds-mt6323.c
F: Documentation/devicetree/bindings/leds/leds-mt6323.txt
MEDIATEK ETHERNET DRIVER
M: Felix Fietkau <nbd@openwrt.org>
M: John Crispin <john@phrozen.org>
@ -8879,7 +8891,7 @@ F: Documentation/devicetree/bindings/media/meson-ao-cec.txt
T: git git://linuxtv.org/media_tree.git
METAG ARCHITECTURE
M: James Hogan <james.hogan@imgtec.com>
M: James Hogan <jhogan@kernel.org>
L: linux-metag@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag.git
S: Odd Fixes
@ -12924,9 +12936,9 @@ F: drivers/mmc/host/dw_mmc*
SYNOPSYS HSDK RESET CONTROLLER DRIVER
M: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
S: Supported
F: drivers/reset/reset-hsdk-v1.c
F: include/dt-bindings/reset/snps,hsdk-v1-reset.h
F: Documentation/devicetree/bindings/reset/snps,hsdk-v1-reset.txt
F: drivers/reset/reset-hsdk.c
F: include/dt-bindings/reset/snps,hsdk-reset.h
F: Documentation/devicetree/bindings/reset/snps,hsdk-reset.txt
SYSTEM CONFIGURATION (SYSCON)
M: Lee Jones <lee.jones@linaro.org>

6
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 14
SUBLEVEL = 0
EXTRAVERSION = -rc1
EXTRAVERSION = -rc3
NAME = Fearless Coyote
# *DOCUMENTATION*
@ -1172,11 +1172,11 @@ headers_check: headers_install
PHONY += kselftest
kselftest:
$(Q)$(MAKE) -C tools/testing/selftests run_tests
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests
PHONY += kselftest-clean
kselftest-clean:
$(Q)$(MAKE) -C tools/testing/selftests clean
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests clean
PHONY += kselftest-merge
kselftest-merge:

1
arch/alpha/include/asm/mmu_context.h
View File

@ -8,6 +8,7 @@
*/
#include <linux/mm_types.h>
#include <linux/sched.h>
#include <asm/machvec.h>
#include <asm/compiler.h>

2
arch/arm/boot/dts/am33xx.dtsi
View File

@ -36,6 +36,8 @@
phy1 = &usb1_phy;
ethernet0 = &cpsw_emac0;
ethernet1 = &cpsw_emac1;
spi0 = &spi0;
spi1 = &spi1;
};
cpus {

6
arch/arm/boot/dts/am43x-epos-evm.dts
View File

@ -388,6 +388,7 @@
pinctrl-0 = <&cpsw_default>;
pinctrl-1 = <&cpsw_sleep>;
status = "okay";
slaves = <1>;
};
&davinci_mdio {
@ -402,11 +403,6 @@
phy-mode = "rmii";
};
&cpsw_emac1 {
phy_id = <&davinci_mdio>, <1>;
phy-mode = "rmii";
};
&phy_sel {
rmii-clock-ext;
};

19
arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
View File

@ -67,7 +67,10 @@
usb1: ohci@00400000 {
num-ports = <3>;
atmel,vbus-gpio = <&pioA PIN_PA10 GPIO_ACTIVE_HIGH>;
atmel,vbus-gpio = <0 /* &pioA PIN_PD20 GPIO_ACTIVE_HIGH */
&pioA PIN_PA27 GPIO_ACTIVE_HIGH
0
>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb_default>;
status = "okay";
@ -120,7 +123,7 @@
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus2_uart>;
atmel,use-dma-rx;
atmel-use-dma-tx;
atmel,use-dma-tx;
status = "okay";
};
@ -178,7 +181,7 @@
uart4: serial@fc00c000 {
atmel,use-dma-rx;
atmel,use-dma-tx;
pinctrl-name = "default";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus1_uart>;
status = "okay";
};
@ -330,7 +333,7 @@
};
pinctrl_led_gpio_default: led_gpio_default {
pinmux = <PIN_PA27__GPIO>,
pinmux = <PIN_PA10__GPIO>,
<PIN_PB1__GPIO>,
<PIN_PA31__GPIO>;
bias-pull-up;
@ -396,7 +399,7 @@
};
pinctrl_usb_default: usb_default {
pinmux = <PIN_PA10__GPIO>,
pinmux = <PIN_PA27__GPIO>,
<PIN_PD19__GPIO>;
bias-disable;
};
@ -520,17 +523,17 @@
red {
label = "red";
gpios = <&pioA PIN_PA27 GPIO_ACTIVE_LOW>;
gpios = <&pioA PIN_PA10 GPIO_ACTIVE_HIGH>;
};
green {
label = "green";
gpios = <&pioA PIN_PB1 GPIO_ACTIVE_LOW>;
gpios = <&pioA PIN_PB1 GPIO_ACTIVE_HIGH>;
};
blue {
label = "blue";
gpios = <&pioA PIN_PA31 GPIO_ACTIVE_LOW>;
gpios = <&pioA PIN_PA31 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
};

7
arch/arm/boot/dts/da850-evm.dts
View File

@ -15,6 +15,13 @@
compatible = "ti,da850-evm", "ti,da850";
model = "DA850/AM1808/OMAP-L138 EVM";
aliases {
serial0 = &serial0;
serial1 = &serial1;
serial2 = &serial2;
ethernet0 = &eth0;
};
soc@1c00000 {
pmx_core: pinmux@14120 {
status = "okay";

2
arch/arm/boot/dts/dra7xx-clocks.dtsi
View File

@ -1817,6 +1817,8 @@
clocks = <&abe_24m_fclk>, <&abe_sys_clk_div>, <&func_24m_clk>, <&atl_clkin3_ck>, <&atl_clkin2_ck>, <&atl_clkin1_ck>, <&atl_clkin0_ck>, <&sys_clkin2>, <&ref_clkin0_ck>, <&ref_clkin1_ck>, <&ref_clkin2_ck>, <&ref_clkin3_ck>, <&mlb_clk>, <&mlbp_clk>;
ti,bit-shift = <24>;
reg = <0x1868>;
assigned-clocks = <&mcasp3_ahclkx_mux>;
assigned-clock-parents = <&abe_24m_fclk>;
};
mcasp3_aux_gfclk_mux: mcasp3_aux_gfclk_mux@1868 {

11
arch/arm/boot/dts/omap3-n900.dts
View File

@ -144,15 +144,6 @@
io-channel-names = "temp", "bsi", "vbat";
};
rear_camera: camera@0 {
compatible = "linux,camera";
module {
model = "TCM8341MD";
sensor = <&cam1>;
};
};
pwm9: dmtimer-pwm {
compatible = "ti,omap-dmtimer-pwm";
#pwm-cells = <3>;
@ -189,10 +180,8 @@
clock-lanes = <1>;
data-lanes = <0>;
lane-polarity = <0 0>;
clock-inv = <0>;
/* Select strobe = <1> for back camera, <0> for front camera */
strobe = <1>;
crc = <0>;
};
};
};

10
arch/arm/boot/dts/omap3-n950-n9.dtsi
View File

@ -267,15 +267,19 @@
clock-frequency = <400000>;
as3645a@30 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x30>;
compatible = "ams,as3645a";
flash {
flash@0 {
reg = <0x0>;
flash-timeout-us = <150000>;
flash-max-microamp = <320000>;
led-max-microamp = <60000>;
peak-current-limit = <1750000>;
ams,input-max-microamp = <1750000>;
};
indicator {
indicator@1 {
reg = <0x1>;
led-max-microamp = <10000>;
};
};

5
arch/arm/boot/dts/stm32429i-eval.dts
View File

@ -47,6 +47,7 @@
/dts-v1/;
#include "stm32f429.dtsi"
#include "stm32f429-pinctrl.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
@ -202,10 +203,8 @@
stmpe1600: stmpe1600@42 {
compatible = "st,stmpe1600";
reg = <0x42>;
irq-gpio = <&gpioi 8 0>;
irq-trigger = <3>;
interrupts = <8 3>;
interrupt-parent = <&exti>;
interrupt-parent = <&gpioi>;
interrupt-controller;
wakeup-source;

343
arch/arm/boot/dts/stm32f4-pinctrl.dtsi Normal file
View File

@ -0,0 +1,343 @@
/*
* Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file 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.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* 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 <dt-bindings/pinctrl/stm32f429-pinfunc.h>
#include <dt-bindings/mfd/stm32f4-rcc.h>
/ {
soc {
pinctrl: pin-controller {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x40020000 0x3000>;
interrupt-parent = <&exti>;
st,syscfg = <&syscfg 0x8>;
pins-are-numbered;
gpioa: gpio@40020000 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x0 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOA)>;
st,bank-name = "GPIOA";
};
gpiob: gpio@40020400 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x400 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOB)>;
st,bank-name = "GPIOB";
};
gpioc: gpio@40020800 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x800 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOC)>;
st,bank-name = "GPIOC";
};
gpiod: gpio@40020c00 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0xc00 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOD)>;
st,bank-name = "GPIOD";
};
gpioe: gpio@40021000 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x1000 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOE)>;
st,bank-name = "GPIOE";
};
gpiof: gpio@40021400 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x1400 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOF)>;
st,bank-name = "GPIOF";
};
gpiog: gpio@40021800 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x1800 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOG)>;
st,bank-name = "GPIOG";
};
gpioh: gpio@40021c00 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x1c00 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOH)>;
st,bank-name = "GPIOH";
};
gpioi: gpio@40022000 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x2000 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOI)>;
st,bank-name = "GPIOI";
};
gpioj: gpio@40022400 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x2400 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOJ)>;
st,bank-name = "GPIOJ";
};
gpiok: gpio@40022800 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x2800 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOK)>;
st,bank-name = "GPIOK";
};
usart1_pins_a: usart1@0 {
pins1 {
pinmux = <STM32F429_PA9_FUNC_USART1_TX>;
bias-disable;
drive-push-pull;
slew-rate = <0>;
};
pins2 {
pinmux = <STM32F429_PA10_FUNC_USART1_RX>;
bias-disable;
};
};
usart3_pins_a: usart3@0 {
pins1 {
pinmux = <STM32F429_PB10_FUNC_USART3_TX>;
bias-disable;
drive-push-pull;
slew-rate = <0>;
};
pins2 {
pinmux = <STM32F429_PB11_FUNC_USART3_RX>;
bias-disable;
};
};
usbotg_fs_pins_a: usbotg_fs@0 {
pins {
pinmux = <STM32F429_PA10_FUNC_OTG_FS_ID>,
<STM32F429_PA11_FUNC_OTG_FS_DM>,
<STM32F429_PA12_FUNC_OTG_FS_DP>;
bias-disable;
drive-push-pull;
slew-rate = <2>;
};
};
usbotg_fs_pins_b: usbotg_fs@1 {
pins {
pinmux = <STM32F429_PB12_FUNC_OTG_HS_ID>,
<STM32F429_PB14_FUNC_OTG_HS_DM>,
<STM32F429_PB15_FUNC_OTG_HS_DP>;
bias-disable;
drive-push-pull;
slew-rate = <2>;
};
};
usbotg_hs_pins_a: usbotg_hs@0 {
pins {
pinmux = <STM32F429_PH4_FUNC_OTG_HS_ULPI_NXT>,
<STM32F429_PI11_FUNC_OTG_HS_ULPI_DIR>,
<STM32F429_PC0_FUNC_OTG_HS_ULPI_STP>,
<STM32F429_PA5_FUNC_OTG_HS_ULPI_CK>,
<STM32F429_PA3_FUNC_OTG_HS_ULPI_D0>,
<STM32F429_PB0_FUNC_OTG_HS_ULPI_D1>,
<STM32F429_PB1_FUNC_OTG_HS_ULPI_D2>,
<STM32F429_PB10_FUNC_OTG_HS_ULPI_D3>,
<STM32F429_PB11_FUNC_OTG_HS_ULPI_D4>,
<STM32F429_PB12_FUNC_OTG_HS_ULPI_D5>,
<STM32F429_PB13_FUNC_OTG_HS_ULPI_D6>,
<STM32F429_PB5_FUNC_OTG_HS_ULPI_D7>;
bias-disable;
drive-push-pull;
slew-rate = <2>;
};
};
ethernet_mii: mii@0 {
pins {
pinmux = <STM32F429_PG13_FUNC_ETH_MII_TXD0_ETH_RMII_TXD0>,
<STM32F429_PG14_FUNC_ETH_MII_TXD1_ETH_RMII_TXD1>,
<STM32F429_PC2_FUNC_ETH_MII_TXD2>,
<STM32F429_PB8_FUNC_ETH_MII_TXD3>,
<STM32F429_PC3_FUNC_ETH_MII_TX_CLK>,
<STM32F429_PG11_FUNC_ETH_MII_TX_EN_ETH_RMII_TX_EN>,
<STM32F429_PA2_FUNC_ETH_MDIO>,
<STM32F429_PC1_FUNC_ETH_MDC>,
<STM32F429_PA1_FUNC_ETH_MII_RX_CLK_ETH_RMII_REF_CLK>,
<STM32F429_PA7_FUNC_ETH_MII_RX_DV_ETH_RMII_CRS_DV>,
<STM32F429_PC4_FUNC_ETH_MII_RXD0_ETH_RMII_RXD0>,
<STM32F429_PC5_FUNC_ETH_MII_RXD1_ETH_RMII_RXD1>,
<STM32F429_PH6_FUNC_ETH_MII_RXD2>,
<STM32F429_PH7_FUNC_ETH_MII_RXD3>;
slew-rate = <2>;
};
};
adc3_in8_pin: adc@200 {
pins {
pinmux = <STM32F429_PF10_FUNC_ANALOG>;
};
};
pwm1_pins: pwm@1 {
pins {
pinmux = <STM32F429_PA8_FUNC_TIM1_CH1>,
<STM32F429_PB13_FUNC_TIM1_CH1N>,
<STM32F429_PB12_FUNC_TIM1_BKIN>;
};
};
pwm3_pins: pwm@3 {
pins {
pinmux = <STM32F429_PB4_FUNC_TIM3_CH1>,
<STM32F429_PB5_FUNC_TIM3_CH2>;
};
};
i2c1_pins: i2c1@0 {
pins {
pinmux = <STM32F429_PB9_FUNC_I2C1_SDA>,
<STM32F429_PB6_FUNC_I2C1_SCL>;
bias-disable;
drive-open-drain;
slew-rate = <3>;
};
};
ltdc_pins: ltdc@0 {
pins {
pinmux = <STM32F429_PI12_FUNC_LCD_HSYNC>,
<STM32F429_PI13_FUNC_LCD_VSYNC>,
<STM32F429_PI14_FUNC_LCD_CLK>,
<STM32F429_PI15_FUNC_LCD_R0>,
<STM32F429_PJ0_FUNC_LCD_R1>,
<STM32F429_PJ1_FUNC_LCD_R2>,
<STM32F429_PJ2_FUNC_LCD_R3>,
<STM32F429_PJ3_FUNC_LCD_R4>,
<STM32F429_PJ4_FUNC_LCD_R5>,
<STM32F429_PJ5_FUNC_LCD_R6>,
<STM32F429_PJ6_FUNC_LCD_R7>,
<STM32F429_PJ7_FUNC_LCD_G0>,
<STM32F429_PJ8_FUNC_LCD_G1>,
<STM32F429_PJ9_FUNC_LCD_G2>,
<STM32F429_PJ10_FUNC_LCD_G3>,
<STM32F429_PJ11_FUNC_LCD_G4>,
<STM32F429_PJ12_FUNC_LCD_B0>,
<STM32F429_PJ13_FUNC_LCD_B1>,
<STM32F429_PJ14_FUNC_LCD_B2>,
<STM32F429_PJ15_FUNC_LCD_B3>,
<STM32F429_PK0_FUNC_LCD_G5>,
<STM32F429_PK1_FUNC_LCD_G6>,
<STM32F429_PK2_FUNC_LCD_G7>,
<STM32F429_PK3_FUNC_LCD_B4>,
<STM32F429_PK4_FUNC_LCD_B5>,
<STM32F429_PK5_FUNC_LCD_B6>,
<STM32F429_PK6_FUNC_LCD_B7>,
<STM32F429_PK7_FUNC_LCD_DE>;
slew-rate = <2>;
};
};
dcmi_pins: dcmi@0 {
pins {
pinmux = <STM32F429_PA4_FUNC_DCMI_HSYNC>,
<STM32F429_PB7_FUNC_DCMI_VSYNC>,
<STM32F429_PA6_FUNC_DCMI_PIXCLK>,
<STM32F429_PC6_FUNC_DCMI_D0>,
<STM32F429_PC7_FUNC_DCMI_D1>,
<STM32F429_PC8_FUNC_DCMI_D2>,
<STM32F429_PC9_FUNC_DCMI_D3>,
<STM32F429_PC11_FUNC_DCMI_D4>,
<STM32F429_PD3_FUNC_DCMI_D5>,
<STM32F429_PB8_FUNC_DCMI_D6>,
<STM32F429_PE6_FUNC_DCMI_D7>,
<STM32F429_PC10_FUNC_DCMI_D8>,
<STM32F429_PC12_FUNC_DCMI_D9>,
<STM32F429_PD6_FUNC_DCMI_D10>,
<STM32F429_PD2_FUNC_DCMI_D11>;
bias-disable;
drive-push-pull;
slew-rate = <3>;
};
};
};
};
};

1
arch/arm/boot/dts/stm32f429-disco.dts
View File

@ -47,6 +47,7 @@
/dts-v1/;
#include "stm32f429.dtsi"
#include "stm32f429-pinctrl.dtsi"
#include <dt-bindings/input/input.h>
/ {

95
arch/arm/boot/dts/stm32f429-pinctrl.dtsi Normal file
View File

@ -0,0 +1,95 @@
/*
* Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file 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.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* 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 "stm32f4-pinctrl.dtsi"
/ {
soc {
pinctrl: pin-controller {
compatible = "st,stm32f429-pinctrl";
gpioa: gpio@40020000 {
gpio-ranges = <&pinctrl 0 0 16>;
};
gpiob: gpio@40020400 {
gpio-ranges = <&pinctrl 0 16 16>;
};
gpioc: gpio@40020800 {
gpio-ranges = <&pinctrl 0 32 16>;
};
gpiod: gpio@40020c00 {
gpio-ranges = <&pinctrl 0 48 16>;
};
gpioe: gpio@40021000 {
gpio-ranges = <&pinctrl 0 64 16>;
};
gpiof: gpio@40021400 {
gpio-ranges = <&pinctrl 0 80 16>;
};
gpiog: gpio@40021800 {
gpio-ranges = <&pinctrl 0 96 16>;
};
gpioh: gpio@40021c00 {
gpio-ranges = <&pinctrl 0 112 16>;
};
gpioi: gpio@40022000 {
gpio-ranges = <&pinctrl 0 128 16>;
};
gpioj: gpio@40022400 {
gpio-ranges = <&pinctrl 0 144 16>;
};
gpiok: gpio@40022800 {
gpio-ranges = <&pinctrl 0 160 8>;
};
};
};
};

297
arch/arm/boot/dts/stm32f429.dtsi
View File

@ -47,7 +47,6 @@
#include "skeleton.dtsi"
#include "armv7-m.dtsi"
#include <dt-bindings/pinctrl/stm32f429-pinfunc.h>
#include <dt-bindings/clock/stm32fx-clock.h>
#include <dt-bindings/mfd/stm32f4-rcc.h>
@ -591,302 +590,6 @@
status = "disabled";
};
pinctrl: pin-controller {
#address-cells = <1>;
#size-cells = <1>;
compatible = "st,stm32f429-pinctrl";
ranges = <0 0x40020000 0x3000>;
interrupt-parent = <&exti>;
st,syscfg = <&syscfg 0x8>;
pins-are-numbered;
gpioa: gpio@40020000 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x0 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOA)>;
st,bank-name = "GPIOA";
};
gpiob: gpio@40020400 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x400 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOB)>;
st,bank-name = "GPIOB";
};
gpioc: gpio@40020800 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x800 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOC)>;
st,bank-name = "GPIOC";
};
gpiod: gpio@40020c00 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0xc00 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOD)>;
st,bank-name = "GPIOD";
};
gpioe: gpio@40021000 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x1000 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOE)>;
st,bank-name = "GPIOE";
};
gpiof: gpio@40021400 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x1400 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOF)>;
st,bank-name = "GPIOF";
};
gpiog: gpio@40021800 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x1800 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOG)>;
st,bank-name = "GPIOG";
};
gpioh: gpio@40021c00 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x1c00 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOH)>;
st,bank-name = "GPIOH";
};
gpioi: gpio@40022000 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x2000 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOI)>;
st,bank-name = "GPIOI";
};
gpioj: gpio@40022400 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x2400 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOJ)>;
st,bank-name = "GPIOJ";
};
gpiok: gpio@40022800 {
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x2800 0x400>;
clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOK)>;
st,bank-name = "GPIOK";
};
usart1_pins_a: usart1@0 {
pins1 {
pinmux = <STM32F429_PA9_FUNC_USART1_TX>;
bias-disable;
drive-push-pull;
slew-rate = <0>;
};
pins2 {
pinmux = <STM32F429_PA10_FUNC_USART1_RX>;
bias-disable;
};
};
usart3_pins_a: usart3@0 {
pins1 {
pinmux = <STM32F429_PB10_FUNC_USART3_TX>;
bias-disable;
drive-push-pull;
slew-rate = <0>;
};
pins2 {
pinmux = <STM32F429_PB11_FUNC_USART3_RX>;
bias-disable;
};
};
usbotg_fs_pins_a: usbotg_fs@0 {
pins {
pinmux = <STM32F429_PA10_FUNC_OTG_FS_ID>,
<STM32F429_PA11_FUNC_OTG_FS_DM>,
<STM32F429_PA12_FUNC_OTG_FS_DP>;
bias-disable;
drive-push-pull;
slew-rate = <2>;
};
};
usbotg_fs_pins_b: usbotg_fs@1 {
pins {
pinmux = <STM32F429_PB12_FUNC_OTG_HS_ID>,
<STM32F429_PB14_FUNC_OTG_HS_DM>,
<STM32F429_PB15_FUNC_OTG_HS_DP>;
bias-disable;
drive-push-pull;
slew-rate = <2>;
};
};
usbotg_hs_pins_a: usbotg_hs@0 {
pins {
pinmux = <STM32F429_PH4_FUNC_OTG_HS_ULPI_NXT>,
<STM32F429_PI11_FUNC_OTG_HS_ULPI_DIR>,
<STM32F429_PC0_FUNC_OTG_HS_ULPI_STP>,
<STM32F429_PA5_FUNC_OTG_HS_ULPI_CK>,
<STM32F429_PA3_FUNC_OTG_HS_ULPI_D0>,
<STM32F429_PB0_FUNC_OTG_HS_ULPI_D1>,
<STM32F429_PB1_FUNC_OTG_HS_ULPI_D2>,
<STM32F429_PB10_FUNC_OTG_HS_ULPI_D3>,
<STM32F429_PB11_FUNC_OTG_HS_ULPI_D4>,
<STM32F429_PB12_FUNC_OTG_HS_ULPI_D5>,
<STM32F429_PB13_FUNC_OTG_HS_ULPI_D6>,
<STM32F429_PB5_FUNC_OTG_HS_ULPI_D7>;
bias-disable;
drive-push-pull;
slew-rate = <2>;
};
};
ethernet_mii: mii@0 {
pins {
pinmux = <STM32F429_PG13_FUNC_ETH_MII_TXD0_ETH_RMII_TXD0>,
<STM32F429_PG14_FUNC_ETH_MII_TXD1_ETH_RMII_TXD1>,
<STM32F429_PC2_FUNC_ETH_MII_TXD2>,
<STM32F429_PB8_FUNC_ETH_MII_TXD3>,
<STM32F429_PC3_FUNC_ETH_MII_TX_CLK>,
<STM32F429_PG11_FUNC_ETH_MII_TX_EN_ETH_RMII_TX_EN>,
<STM32F429_PA2_FUNC_ETH_MDIO>,
<STM32F429_PC1_FUNC_ETH_MDC>,
<STM32F429_PA1_FUNC_ETH_MII_RX_CLK_ETH_RMII_REF_CLK>,
<STM32F429_PA7_FUNC_ETH_MII_RX_DV_ETH_RMII_CRS_DV>,
<STM32F429_PC4_FUNC_ETH_MII_RXD0_ETH_RMII_RXD0>,
<STM32F429_PC5_FUNC_ETH_MII_RXD1_ETH_RMII_RXD1>,
<STM32F429_PH6_FUNC_ETH_MII_RXD2>,
<STM32F429_PH7_FUNC_ETH_MII_RXD3>;
slew-rate = <2>;
};
};
adc3_in8_pin: adc@200 {
pins {
pinmux = <STM32F429_PF10_FUNC_ANALOG>;
};
};
pwm1_pins: pwm@1 {
pins {
pinmux = <STM32F429_PA8_FUNC_TIM1_CH1>,
<STM32F429_PB13_FUNC_TIM1_CH1N>,
<STM32F429_PB12_FUNC_TIM1_BKIN>;
};
};
pwm3_pins: pwm@3 {
pins {
pinmux = <STM32F429_PB4_FUNC_TIM3_CH1>,
<STM32F429_PB5_FUNC_TIM3_CH2>;
};
};
i2c1_pins: i2c1@0 {
pins {
pinmux = <STM32F429_PB9_FUNC_I2C1_SDA>,
<STM32F429_PB6_FUNC_I2C1_SCL>;
bias-disable;
drive-open-drain;
slew-rate = <3>;
};
};
ltdc_pins: ltdc@0 {
pins {
pinmux = <STM32F429_PI12_FUNC_LCD_HSYNC>,
<STM32F429_PI13_FUNC_LCD_VSYNC>,
<STM32F429_PI14_FUNC_LCD_CLK>,
<STM32F429_PI15_FUNC_LCD_R0>,
<STM32F429_PJ0_FUNC_LCD_R1>,
<STM32F429_PJ1_FUNC_LCD_R2>,
<STM32F429_PJ2_FUNC_LCD_R3>,
<STM32F429_PJ3_FUNC_LCD_R4>,
<STM32F429_PJ4_FUNC_LCD_R5>,
<STM32F429_PJ5_FUNC_LCD_R6>,
<STM32F429_PJ6_FUNC_LCD_R7>,
<STM32F429_PJ7_FUNC_LCD_G0>,
<STM32F429_PJ8_FUNC_LCD_G1>,
<STM32F429_PJ9_FUNC_LCD_G2>,
<STM32F429_PJ10_FUNC_LCD_G3>,
<STM32F429_PJ11_FUNC_LCD_G4>,
<STM32F429_PJ12_FUNC_LCD_B0>,
<STM32F429_PJ13_FUNC_LCD_B1>,
<STM32F429_PJ14_FUNC_LCD_B2>,
<STM32F429_PJ15_FUNC_LCD_B3>,
<STM32F429_PK0_FUNC_LCD_G5>,
<STM32F429_PK1_FUNC_LCD_G6>,
<STM32F429_PK2_FUNC_LCD_G7>,
<STM32F429_PK3_FUNC_LCD_B4>,
<STM32F429_PK4_FUNC_LCD_B5>,
<STM32F429_PK5_FUNC_LCD_B6>,
<STM32F429_PK6_FUNC_LCD_B7>,
<STM32F429_PK7_FUNC_LCD_DE>;
slew-rate = <2>;
};
};
dcmi_pins: dcmi@0 {
pins {
pinmux = <STM32F429_PA4_FUNC_DCMI_HSYNC>,
<STM32F429_PB7_FUNC_DCMI_VSYNC>,
<STM32F429_PA6_FUNC_DCMI_PIXCLK>,
<STM32F429_PC6_FUNC_DCMI_D0>,
<STM32F429_PC7_FUNC_DCMI_D1>,
<STM32F429_PC8_FUNC_DCMI_D2>,
<STM32F429_PC9_FUNC_DCMI_D3>,
<STM32F429_PC11_FUNC_DCMI_D4>,
<STM32F429_PD3_FUNC_DCMI_D5>,
<STM32F429_PB8_FUNC_DCMI_D6>,
<STM32F429_PE6_FUNC_DCMI_D7>,
<STM32F429_PC10_FUNC_DCMI_D8>,
<STM32F429_PC12_FUNC_DCMI_D9>,
<STM32F429_PD6_FUNC_DCMI_D10>,
<STM32F429_PD2_FUNC_DCMI_D11>;
bias-disable;
drive-push-pull;
slew-rate = <3>;
};
};
};
crc: crc@40023000 {
compatible = "st,stm32f4-crc";
reg = <0x40023000 0x400>;

1
arch/arm/boot/dts/stm32f469-disco.dts
View File

@ -47,6 +47,7 @@
/dts-v1/;
#include "stm32f429.dtsi"
#include "stm32f469-pinctrl.dtsi"
/ {
model = "STMicroelectronics STM32F469i-DISCO board";

96
arch/arm/boot/dts/stm32f469-pinctrl.dtsi Normal file
View File

@ -0,0 +1,96 @@
/*
* Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file 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.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* 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 "stm32f4-pinctrl.dtsi"
/ {
soc {
pinctrl: pin-controller {
compatible = "st,stm32f469-pinctrl";
gpioa: gpio@40020000 {
gpio-ranges = <&pinctrl 0 0 16>;
};
gpiob: gpio@40020400 {
gpio-ranges = <&pinctrl 0 16 16>;
};
gpioc: gpio@40020800 {
gpio-ranges = <&pinctrl 0 32 16>;
};
gpiod: gpio@40020c00 {
gpio-ranges = <&pinctrl 0 48 16>;
};
gpioe: gpio@40021000 {
gpio-ranges = <&pinctrl 0 64 16>;
};
gpiof: gpio@40021400 {
gpio-ranges = <&pinctrl 0 80 16>;
};
gpiog: gpio@40021800 {
gpio-ranges = <&pinctrl 0 96 16>;
};
gpioh: gpio@40021c00 {
gpio-ranges = <&pinctrl 0 112 16>;
};
gpioi: gpio@40022000 {
gpio-ranges = <&pinctrl 0 128 16>;
};
gpioj: gpio@40022400 {
gpio-ranges = <&pinctrl 0 144 6>,
<&pinctrl 12 156 4>;
};
gpiok: gpio@40022800 {
gpio-ranges = <&pinctrl 3 163 5>;
};
};
};
};

3
arch/arm/configs/gemini_defconfig
View File

@ -32,6 +32,7 @@ CONFIG_BLK_DEV_RAM_SIZE=16384
CONFIG_BLK_DEV_SD=y
# CONFIG_SCSI_LOWLEVEL is not set
CONFIG_ATA=y
CONFIG_PATA_FTIDE010=y
CONFIG_INPUT_EVDEV=y
CONFIG_KEYBOARD_GPIO=y
# CONFIG_INPUT_MOUSE is not set
@ -55,8 +56,8 @@ CONFIG_LEDS_GPIO=y
CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_GEMINI=y
CONFIG_DMADEVICES=y
CONFIG_AMBA_PL08X=y
# CONFIG_DNOTIFY is not set
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y

2
arch/arm/configs/pxa_defconfig
View File

@ -471,7 +471,7 @@ CONFIG_LCD_PLATFORM=m
CONFIG_LCD_TOSA=m
CONFIG_BACKLIGHT_PWM=m
CONFIG_BACKLIGHT_TOSA=m
CONFIG_FRAMEBUFFER_CONSOLE=m
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
CONFIG_LOGO=y
CONFIG_SOUND=m

2
arch/arm/configs/viper_defconfig
View File

@ -113,7 +113,7 @@ CONFIG_FB_PXA_PARAMETERS=y
CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_BACKLIGHT_PWM=m
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=m
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
CONFIG_SOUND=m
CONFIG_SND=m

2
arch/arm/configs/zeus_defconfig
View File

@ -112,7 +112,7 @@ CONFIG_FB_PXA=m
CONFIG_FB_PXA_PARAMETERS=y
CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=m
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
CONFIG_SOUND=m
CONFIG_SND=m

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

@ -139,11 +139,10 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
#define TIF_NEED_RESCHED 1 /* rescheduling necessary */
#define TIF_NOTIFY_RESUME 2 /* callback before returning to user */
#define TIF_UPROBE 3 /* breakpointed or singlestepping */
#define TIF_FSCHECK 4 /* Check FS is USER_DS on return */
#define TIF_SYSCALL_TRACE 5 /* syscall trace active */
#define TIF_SYSCALL_AUDIT 6 /* syscall auditing active */
#define TIF_SYSCALL_TRACEPOINT 7 /* syscall tracepoint instrumentation */
#define TIF_SECCOMP 8 /* seccomp syscall filtering active */
#define TIF_SYSCALL_TRACE 4 /* syscall trace active */
#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */
#define TIF_SYSCALL_TRACEPOINT 6 /* syscall tracepoint instrumentation */
#define TIF_SECCOMP 7 /* seccomp syscall filtering active */
#define TIF_NOHZ 12 /* in adaptive nohz mode */
#define TIF_USING_IWMMXT 17
@ -154,7 +153,6 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
#define _TIF_UPROBE (1 << TIF_UPROBE)
#define _TIF_FSCHECK (1 << TIF_FSCHECK)
#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
#define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
@ -168,9 +166,8 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
/*
* Change these and you break ASM code in entry-common.S
*/
#define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \
_TIF_NOTIFY_RESUME | _TIF_UPROBE | \
_TIF_FSCHECK)
#define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \
_TIF_NOTIFY_RESUME | _TIF_UPROBE)
#endif /* __KERNEL__ */
#endif /* __ASM_ARM_THREAD_INFO_H */

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

@ -70,8 +70,6 @@ static inline void set_fs(mm_segment_t fs)
{
current_thread_info()->addr_limit = fs;
modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_CLIENT : DOMAIN_MANAGER);
/* On user-mode return, check fs is correct */
set_thread_flag(TIF_FSCHECK);
}
#define segment_eq(a, b) ((a) == (b))

20
arch/arm/kernel/entry-common.S
View File

@ -12,6 +12,7 @@
#include <asm/unistd.h>
#include <asm/ftrace.h>
#include <asm/unwind.h>
#include <asm/memory.h>
#ifdef CONFIG_AEABI
#include <asm/unistd-oabi.h>
#endif
@ -48,12 +49,14 @@ ret_fast_syscall:
UNWIND(.fnstart )
UNWIND(.cantunwind )
disable_irq_notrace @ disable interrupts
ldr r2, [tsk, #TI_ADDR_LIMIT]
cmp r2, #TASK_SIZE
blne addr_limit_check_failed
ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing
tst r1, #_TIF_SYSCALL_WORK
bne fast_work_pending
tst r1, #_TIF_WORK_MASK
tst r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK
bne fast_work_pending
/* perform architecture specific actions before user return */
arch_ret_to_user r1, lr
@ -76,16 +79,16 @@ ret_fast_syscall:
UNWIND(.cantunwind )
str r0, [sp, #S_R0 + S_OFF]! @ save returned r0
disable_irq_notrace @ disable interrupts
ldr r2, [tsk, #TI_ADDR_LIMIT]
cmp r2, #TASK_SIZE
blne addr_limit_check_failed
ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing
tst r1, #_TIF_SYSCALL_WORK
bne fast_work_pending
tst r1, #_TIF_WORK_MASK
tst r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK
beq no_work_pending
UNWIND(.fnend )
ENDPROC(ret_fast_syscall)
/* Slower path - fall through to work_pending */
fast_work_pending:
#endif
tst r1, #_TIF_SYSCALL_WORK
@ -111,6 +114,9 @@ ENTRY(ret_to_user)
ret_slow_syscall:
disable_irq_notrace @ disable interrupts
ENTRY(ret_to_user_from_irq)
ldr r2, [tsk, #TI_ADDR_LIMIT]
cmp r2, #TASK_SIZE
blne addr_limit_check_failed
ldr r1, [tsk, #TI_FLAGS]
tst r1, #_TIF_WORK_MASK
bne slow_work_pending

10
arch/arm/kernel/signal.c
View File

@ -614,10 +614,6 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall)
* Update the trace code with the current status.
*/
trace_hardirqs_off();
/* Check valid user FS if needed */
addr_limit_user_check();
do {
if (likely(thread_flags & _TIF_NEED_RESCHED)) {
schedule();
@ -678,3 +674,9 @@ struct page *get_signal_page(void)
return page;
}
/* Defer to generic check */
asmlinkage void addr_limit_check_failed(void)
{
addr_limit_user_check();
}

4
arch/arm/mach-at91/pm.c
View File

@ -533,8 +533,8 @@ static void __init at91_pm_backup_init(void)
}
pm_bu->suspended = 0;
pm_bu->canary = virt_to_phys(&canary);
pm_bu->resume = virt_to_phys(cpu_resume);
pm_bu->canary = __pa_symbol(&canary);
pm_bu->resume = __pa_symbol(cpu_resume);
return;

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

@ -58,10 +58,10 @@ void omap_hsmmc_late_init(struct omap2_hsmmc_info *c)
struct platform_device *pdev;
int res;
if (omap_hsmmc_done != 1)
if (omap_hsmmc_done)
return;
omap_hsmmc_done++;
omap_hsmmc_done = 1;
for (; c->mmc; c++) {
pdev = c->pdev;

1
arch/arm/mach-omap2/omap_hwmod_7xx_data.c
View File

@ -839,6 +839,7 @@ static struct omap_hwmod dra7xx_gpio1_hwmod = {
.name = "gpio1",
.class = &dra7xx_gpio_hwmod_class,
.clkdm_name = "wkupaon_clkdm",
.flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET,
.main_clk = "wkupaon_iclk_mux",
.prcm = {
.omap4 = {

10
arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
View File

@ -168,7 +168,8 @@
&sd_emmc_a {
status = "okay";
pinctrl-0 = <&sdio_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdio_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
#address-cells = <1>;
#size-cells = <0>;
@ -194,7 +195,8 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
@ -212,10 +214,10 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <200000000>;
non-removable;

19
arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
View File

@ -107,6 +107,9 @@
states = <3300000 0>,
<1800000 1>;
regulator-settling-time-up-us = <100>;
regulator-settling-time-down-us = <5000>;
};
wifi_32k: wifi-32k {
@ -250,7 +253,8 @@
&sd_emmc_a {
status = "okay";
pinctrl-0 = <&sdio_pins>, <&sdio_irq_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdio_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
#address-cells = <1>;
#size-cells = <0>;
@ -276,11 +280,16 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
max-frequency = <100000000>;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
max-frequency = <200000000>;
disable-wp;
cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
@ -294,10 +303,10 @@
&sd_emmc_c {
status = "disabled";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
max-frequency = <200000000>;
non-removable;
disable-wp;

12
arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
View File

@ -51,7 +51,7 @@
/ {
compatible = "nexbox,a95x", "amlogic,meson-gxbb";
model = "NEXBOX A95X";
aliases {
serial0 = &uart_AO;
};
@ -232,7 +232,8 @@
&sd_emmc_a {
status = "okay";
pinctrl-0 = <&sdio_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdio_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
#address-cells = <1>;
#size-cells = <0>;
@ -253,7 +254,8 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
@ -271,10 +273,10 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <200000000>;
non-removable;

9
arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
View File

@ -50,7 +50,7 @@
/ {
compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
model = "Hardkernel ODROID-C2";
aliases {
serial0 = &uart_AO;
};
@ -253,7 +253,8 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
@ -271,10 +272,10 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
max-frequency = <200000000>;
non-removable;
disable-wp;

13
arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
View File

@ -194,7 +194,8 @@
&sd_emmc_a {
status = "okay";
pinctrl-0 = <&sdio_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdio_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
#address-cells = <1>;
#size-cells = <0>;
@ -220,10 +221,14 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
max-frequency = <100000000>;
disable-wp;
@ -238,10 +243,10 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <200000000>;
non-removable;

10
arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
View File

@ -155,7 +155,8 @@
&sd_emmc_a {
status = "okay";
pinctrl-0 = <&sdio_pins &sdio_irq_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdio_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
#address-cells = <1>;
#size-cells = <0>;
@ -181,7 +182,8 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
@ -198,10 +200,10 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <200000000>;
non-removable;

39
arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
View File

@ -392,6 +392,17 @@
};
};
emmc_clk_gate_pins: emmc_clk_gate {
mux {
groups = "BOOT_8";
function = "gpio_periphs";
};
cfg-pull-down {
pins = "BOOT_8";
bias-pull-down;
};
};
nor_pins: nor {
mux {
groups = "nor_d",
@ -430,6 +441,17 @@
};
};
sdcard_clk_gate_pins: sdcard_clk_gate {
mux {
groups = "CARD_2";
function = "gpio_periphs";
};
cfg-pull-down {
pins = "CARD_2";
bias-pull-down;
};
};
sdio_pins: sdio {
mux {
groups = "sdio_d0",
@ -442,6 +464,17 @@
};
};
sdio_clk_gate_pins: sdio_clk_gate {
mux {
groups = "GPIOX_4";
function = "gpio_periphs";
};
cfg-pull-down {
pins = "GPIOX_4";
bias-pull-down;
};
};
sdio_irq_pins: sdio_irq {
mux {
groups = "sdio_irq";
@ -661,21 +694,21 @@
&sd_emmc_a {
clocks = <&clkc CLKID_SD_EMMC_A>,
<&xtal>,
<&clkc CLKID_SD_EMMC_A_CLK0>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
};
&sd_emmc_b {
clocks = <&clkc CLKID_SD_EMMC_B>,
<&xtal>,
<&clkc CLKID_SD_EMMC_B_CLK0>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
};
&sd_emmc_c {
clocks = <&clkc CLKID_SD_EMMC_C>,
<&xtal>,
<&clkc CLKID_SD_EMMC_C_CLK0>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
};

7
arch/arm64/boot/dts/amlogic/meson-gxl-s905x-hwacom-amazetv.dts
View File

@ -123,7 +123,8 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
@ -141,10 +142,10 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <100000000>;
non-removable;

13
arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
View File

@ -91,6 +91,9 @@
states = <3300000 0>,
<1800000 1>;
regulator-settling-time-up-us = <200>;
regulator-settling-time-down-us = <50000>;
};
vddio_boot: regulator-vddio_boot {
@ -197,10 +200,14 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
max-frequency = <100000000>;
disable-wp;
@ -215,10 +222,12 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-mmc-highspeed;
mmc-ddr-3_3v;
max-frequency = <50000000>;
non-removable;
disable-wp;

10
arch/arm64/boot/dts/amlogic/meson-gxl-s905x-nexbox-a95x.dts
View File

@ -189,7 +189,8 @@
&sd_emmc_a {
status = "okay";
pinctrl-0 = <&sdio_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdio_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
#address-cells = <1>;
#size-cells = <0>;
@ -210,7 +211,8 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
@ -228,10 +230,10 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <200000000>;
non-removable;

10
arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
View File

@ -95,7 +95,8 @@
&sd_emmc_a {
status = "okay";
pinctrl-0 = <&sdio_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdio_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
#address-cells = <1>;
#size-cells = <0>;
@ -116,7 +117,8 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
@ -134,10 +136,10 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <200000000>;
non-removable;

39
arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
View File

@ -281,6 +281,17 @@
};
};
emmc_clk_gate_pins: emmc_clk_gate {
mux {
groups = "BOOT_8";
function = "gpio_periphs";
};
cfg-pull-down {
pins = "BOOT_8";
bias-pull-down;
};
};
nor_pins: nor {
mux {
groups = "nor_d",
@ -319,6 +330,17 @@
};
};
sdcard_clk_gate_pins: sdcard_clk_gate {
mux {
groups = "CARD_2";
function = "gpio_periphs";
};
cfg-pull-down {
pins = "CARD_2";
bias-pull-down;
};
};
sdio_pins: sdio {
mux {
groups = "sdio_d0",
@ -331,6 +353,17 @@
};
};
sdio_clk_gate_pins: sdio_clk_gate {
mux {
groups = "GPIOX_4";
function = "gpio_periphs";
};
cfg-pull-down {
pins = "GPIOX_4";
bias-pull-down;
};
};
sdio_irq_pins: sdio_irq {
mux {
groups = "sdio_irq";
@ -603,21 +636,21 @@
&sd_emmc_a {
clocks = <&clkc CLKID_SD_EMMC_A>,
<&xtal>,
<&clkc CLKID_SD_EMMC_A_CLK0>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
};
&sd_emmc_b {
clocks = <&clkc CLKID_SD_EMMC_B>,
<&xtal>,
<&clkc CLKID_SD_EMMC_B_CLK0>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
};
&sd_emmc_c {
clocks = <&clkc CLKID_SD_EMMC_C>,
<&xtal>,
<&clkc CLKID_SD_EMMC_C_CLK0>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
};

7
arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
View File

@ -175,7 +175,8 @@
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-names = "default";
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
@ -193,10 +194,10 @@
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <200000000>;
non-removable;

1
arch/arm64/boot/dts/amlogic/meson-gxm-rbox-pro.dts
View File

@ -220,7 +220,6 @@
pinctrl-names = "default";
bus-width = <8>;
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <200000000>;
non-removable;

4
arch/arm64/boot/dts/marvell/armada-ap806.dtsi
View File

@ -254,7 +254,7 @@
ap_syscon: system-controller@6f4000 {
compatible = "syscon", "simple-mfd";
reg = <0x6f4000 0x1000>;
reg = <0x6f4000 0x2000>;
ap_clk: clock {
compatible = "marvell,ap806-clock";
@ -265,7 +265,7 @@
compatible = "marvell,ap806-pinctrl";
};
ap_gpio: gpio {
ap_gpio: gpio@1040 {
compatible = "marvell,armada-8k-gpio";
offset = <0x1040>;
ngpios = <20>;

72
arch/arm64/boot/dts/rockchip/rk3368.dtsi
View File

@ -113,8 +113,7 @@
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x0>;
enable-method = "psci";
clocks = <&cru ARMCLKL>;
operating-points-v2 = <&cluster0_opp>;
#cooling-cells = <2>; /* min followed by max */
};
@ -123,8 +122,6 @@
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x1>;
enable-method = "psci";
clocks = <&cru ARMCLKL>;
operating-points-v2 = <&cluster0_opp>;
};
cpu_l2: cpu@2 {
@ -132,8 +129,6 @@
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x2>;
enable-method = "psci";
clocks = <&cru ARMCLKL>;
operating-points-v2 = <&cluster0_opp>;
};
cpu_l3: cpu@3 {
@ -141,8 +136,6 @@
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x3>;
enable-method = "psci";
clocks = <&cru ARMCLKL>;
operating-points-v2 = <&cluster0_opp>;
};
cpu_b0: cpu@100 {
@ -150,8 +143,7 @@
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x100>;
enable-method = "psci";
clocks = <&cru ARMCLKB>;
operating-points-v2 = <&cluster1_opp>;
#cooling-cells = <2>; /* min followed by max */
};
@ -160,8 +152,6 @@
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x101>;
enable-method = "psci";
clocks = <&cru ARMCLKB>;
operating-points-v2 = <&cluster1_opp>;
};
cpu_b2: cpu@102 {
@ -169,8 +159,6 @@
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x102>;
enable-method = "psci";
clocks = <&cru ARMCLKB>;
operating-points-v2 = <&cluster1_opp>;
};
cpu_b3: cpu@103 {
@ -178,62 +166,6 @@
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x103>;
enable-method = "psci";
clocks = <&cru ARMCLKB>;
operating-points-v2 = <&cluster1_opp>;
};
};
cluster0_opp: opp-table0 {
compatible = "operating-points-v2";
opp-shared;
opp00 {
opp-hz = /bits/ 64 <312000000>;
opp-microvolt = <950000>;
clock-latency-ns = <40000>;
};
opp01 {
opp-hz = /bits/ 64 <408000000>;
opp-microvolt = <950000>;
};
opp02 {
opp-hz = /bits/ 64 <600000000>;
opp-microvolt = <950000>;
};
opp03 {
opp-hz = /bits/ 64 <816000000>;
opp-microvolt = <1025000>;
};
opp04 {
opp-hz = /bits/ 64 <1008000000>;
opp-microvolt = <1125000>;
};
};
cluster1_opp: opp-table1 {
compatible = "operating-points-v2";
opp-shared;
opp00 {
opp-hz = /bits/ 64 <312000000>;
opp-microvolt = <950000>;
clock-latency-ns = <40000>;
};
opp01 {
opp-hz = /bits/ 64 <408000000>;
opp-microvolt = <950000>;
};
opp02 {
opp-hz = /bits/ 64 <600000000>;
opp-microvolt = <950000>;
};
opp03 {
opp-hz = /bits/ 64 <816000000>;
opp-microvolt = <975000>;
};
opp04 {
opp-hz = /bits/ 64 <1008000000>;
opp-microvolt = <1050000>;
};
};

6
arch/arm64/boot/dts/rockchip/rk3399.dtsi
View File

@ -1629,9 +1629,9 @@
compatible = "rockchip,rk3399-mipi-dsi", "snps,dw-mipi-dsi";
reg = <0x0 0xff960000 0x0 0x8000>;
interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&cru SCLK_MIPIDPHY_REF>, <&cru PCLK_MIPI_DSI0>,
<&cru SCLK_DPHY_TX0_CFG>;
clock-names = "ref", "pclk", "phy_cfg";
clocks = <&cru SCLK_DPHY_PLL>, <&cru PCLK_MIPI_DSI0>,
<&cru SCLK_DPHY_TX0_CFG>, <&cru PCLK_VIO_GRF>;
clock-names = "ref", "pclk", "phy_cfg", "grf";
power-domains = <&power RK3399_PD_VIO>;
rockchip,grf = <&grf>;
status = "disabled";

2
arch/arm64/include/asm/pgtable.h
View File

@ -401,7 +401,7 @@ static inline phys_addr_t pmd_page_paddr(pmd_t pmd)
/* Find an entry in the third-level page table. */
#define pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
#define pte_offset_phys(dir,addr) (pmd_page_paddr(*(dir)) + pte_index(addr) * sizeof(pte_t))
#define pte_offset_phys(dir,addr) (pmd_page_paddr(READ_ONCE(*(dir))) + pte_index(addr) * sizeof(pte_t))
#define pte_offset_kernel(dir,addr) ((pte_t *)__va(pte_offset_phys((dir), (addr))))
#define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr))

1
arch/arm64/kernel/head.S
View File

@ -384,6 +384,7 @@ ENTRY(kimage_vaddr)
* booted in EL1 or EL2 respectively.
*/
ENTRY(el2_setup)
msr SPsel, #1 // We want to use SP_EL{1,2}
mrs x0, CurrentEL
cmp x0, #CurrentEL_EL2
b.eq 1f

6
arch/arm64/kernel/signal.c
View File

@ -751,10 +751,10 @@ asmlinkage void do_notify_resume(struct pt_regs *regs,
*/
trace_hardirqs_off();
/* Check valid user FS if needed */
addr_limit_user_check();
do {
/* Check valid user FS if needed */
addr_limit_user_check();
if (thread_flags & _TIF_NEED_RESCHED) {
schedule();
} else {

2
arch/arm64/mm/fault.c
View File

@ -651,7 +651,7 @@ static const struct fault_info fault_info[] = {
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 0 translation fault" },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 1 translation fault" },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 2 translation fault" },
{ do_page_fault, SIGSEGV, SEGV_MAPERR, "level 3 translation fault" },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 3 translation fault" },
{ do_bad, SIGBUS, 0, "unknown 8" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 1 access flag fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 access flag fault" },

4
arch/m32r/Kconfig
View File

@ -194,6 +194,10 @@ config TIMER_DIVIDE
int "Timer divider (integer)"
default "128"
config CPU_BIG_ENDIAN
bool "Generate big endian code"
default n
config CPU_LITTLE_ENDIAN
bool "Generate little endian code"
default n

9
arch/m32r/kernel/traps.c
View File

@ -114,6 +114,15 @@ static void set_eit_vector_entries(void)
_flush_cache_copyback_all();
}
void abort(void)
{
BUG();
/* if that doesn't kill us, halt */
panic("Oops failed to kill thread");
}
EXPORT_SYMBOL(abort);
void __init trap_init(void)
{
set_eit_vector_entries();

2
arch/microblaze/Kconfig
View File

@ -39,7 +39,7 @@ config MICROBLAZE
# Endianness selection
choice
prompt "Endianness selection"
default CPU_BIG_ENDIAN
default CPU_LITTLE_ENDIAN
help
microblaze architectures can be configured for either little or
big endian formats. Be sure to select the appropriate mode.

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

@ -7,6 +7,7 @@ generic-y += fcntl.h
generic-y += ioctl.h
generic-y += ioctls.h
generic-y += ipcbuf.h
generic-y += kvm_para.h
generic-y += mman.h
generic-y += msgbuf.h
generic-y += param.h

2
arch/microblaze/kernel/dma.c
View File

@ -165,7 +165,7 @@ int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
unsigned long attrs)
{
#ifdef CONFIG_MMU
unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
unsigned long user_count = vma_pages(vma);
unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
unsigned long off = vma->vm_pgoff;
unsigned long pfn;

14
arch/powerpc/kvm/book3s_hv_rmhandlers.S
View File

@ -1121,6 +1121,13 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR)
BEGIN_FTR_SECTION
mtspr SPRN_PPR, r0
END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR)
/* Move canary into DSISR to check for later */
BEGIN_FTR_SECTION
li r0, 0x7fff
mtspr SPRN_HDSISR, r0
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
ld r0, VCPU_GPR(R0)(r4)
ld r4, VCPU_GPR(R4)(r4)
@ -1956,9 +1963,14 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_RADIX)
kvmppc_hdsi:
ld r3, VCPU_KVM(r9)
lbz r0, KVM_RADIX(r3)
cmpwi r0, 0
mfspr r4, SPRN_HDAR
mfspr r6, SPRN_HDSISR
BEGIN_FTR_SECTION
/* Look for DSISR canary. If we find it, retry instruction */
cmpdi r6, 0x7fff
beq 6f
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
cmpwi r0, 0
bne .Lradix_hdsi /* on radix, just save DAR/DSISR/ASDR */
/* HPTE not found fault or protection fault? */
andis. r0, r6, (DSISR_NOHPTE | DSISR_PROTFAULT)@h

17
arch/powerpc/sysdev/fsl_rio.c
View File

@ -71,6 +71,8 @@
#define RIWAR_WRTYP_ALLOC 0x00006000
#define RIWAR_SIZE_MASK 0x0000003F
static DEFINE_SPINLOCK(fsl_rio_config_lock);
#define __fsl_read_rio_config(x, addr, err, op) \
__asm__ __volatile__( \
"1: "op" %1,0(%2)\n" \
@ -184,6 +186,7 @@ fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
u8 hopcount, u32 offset, int len, u32 *val)
{
struct rio_priv *priv = mport->priv;
unsigned long flags;
u8 *data;
u32 rval, err = 0;
@ -197,6 +200,8 @@ fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
if (offset > (0x1000000 - len) || !IS_ALIGNED(offset, len))
return -EINVAL;
spin_lock_irqsave(&fsl_rio_config_lock, flags);
out_be32(&priv->maint_atmu_regs->rowtar,
(destid << 22) | (hopcount << 12) | (offset >> 12));
out_be32(&priv->maint_atmu_regs->rowtear, (destid >> 10));
@ -213,6 +218,7 @@ fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
__fsl_read_rio_config(rval, data, err, "lwz");
break;
default:
spin_unlock_irqrestore(&fsl_rio_config_lock, flags);
return -EINVAL;
}
@ -221,6 +227,7 @@ fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid,
err, destid, hopcount, offset);
}
spin_unlock_irqrestore(&fsl_rio_config_lock, flags);
*val = rval;
return err;
@ -244,7 +251,10 @@ fsl_rio_config_write(struct rio_mport *mport, int index, u16 destid,
u8 hopcount, u32 offset, int len, u32 val)
{
struct rio_priv *priv = mport->priv;
unsigned long flags;
u8 *data;
int ret = 0;
pr_debug
("fsl_rio_config_write:"
" index %d destid %d hopcount %d offset %8.8x len %d val %8.8x\n",
@ -255,6 +265,8 @@ fsl_rio_config_write(struct rio_mport *mport, int index, u16 destid,
if (offset > (0x1000000 - len) || !IS_ALIGNED(offset, len))
return -EINVAL;
spin_lock_irqsave(&fsl_rio_config_lock, flags);
out_be32(&priv->maint_atmu_regs->rowtar,
(destid << 22) | (hopcount << 12) | (offset >> 12));
out_be32(&priv->maint_atmu_regs->rowtear, (destid >> 10));
@ -271,10 +283,11 @@ fsl_rio_config_write(struct rio_mport *mport, int index, u16 destid,
out_be32((u32 *) data, val);
break;
default:
return -EINVAL;
ret = -EINVAL;
}
spin_unlock_irqrestore(&fsl_rio_config_lock, flags);
return 0;
return ret;
}
static void fsl_rio_inbound_mem_init(struct rio_priv *priv)

8
arch/powerpc/sysdev/fsl_rmu.c
View File

@ -104,6 +104,8 @@
#define DOORBELL_MESSAGE_SIZE 0x08
static DEFINE_SPINLOCK(fsl_rio_doorbell_lock);
struct rio_msg_regs {
u32 omr;
u32 osr;
@ -626,9 +628,13 @@ err_out:
int fsl_rio_doorbell_send(struct rio_mport *mport,
int index, u16 destid, u16 data)
{
unsigned long flags;
pr_debug("fsl_doorbell_send: index %d destid %4.4x data %4.4x\n",
index, destid, data);
spin_lock_irqsave(&fsl_rio_doorbell_lock, flags);
/* In the serial version silicons, such as MPC8548, MPC8641,
* below operations is must be.
*/
@ -638,6 +644,8 @@ int fsl_rio_doorbell_send(struct rio_mport *mport,
out_be32(&dbell->dbell_regs->oddatr, (index << 20) | data);
out_be32(&dbell->dbell_regs->odmr, 0x00000001);
spin_unlock_irqrestore(&fsl_rio_doorbell_lock, flags);
return 0;
}

4
arch/sh/include/cpu-sh2a/cpu/sh7264.h
View File

@ -43,9 +43,7 @@ enum {
GPIO_PG7, GPIO_PG6, GPIO_PG5, GPIO_PG4,
GPIO_PG3, GPIO_PG2, GPIO_PG1, GPIO_PG0,
/* Port H */
GPIO_PH7, GPIO_PH6, GPIO_PH5, GPIO_PH4,
GPIO_PH3, GPIO_PH2, GPIO_PH1, GPIO_PH0,
/* Port H - Port H does not have a Data Register */
/* Port I - not on device */

4
arch/sh/include/cpu-sh2a/cpu/sh7269.h
View File

@ -45,9 +45,7 @@ enum {
GPIO_PG7, GPIO_PG6, GPIO_PG5, GPIO_PG4,
GPIO_PG3, GPIO_PG2, GPIO_PG1, GPIO_PG0,
/* Port H */
GPIO_PH7, GPIO_PH6, GPIO_PH5, GPIO_PH4,
GPIO_PH3, GPIO_PH2, GPIO_PH1, GPIO_PH0,
/* Port H - Port H does not have a Data Register */
/* Port I - not on device */

2
arch/sh/include/cpu-sh4/cpu/sh7722.h
View File

@ -67,7 +67,7 @@ enum {
GPIO_PTN3, GPIO_PTN2, GPIO_PTN1, GPIO_PTN0,
/* PTQ */
GPIO_PTQ7, GPIO_PTQ6, GPIO_PTQ5, GPIO_PTQ4,
GPIO_PTQ6, GPIO_PTQ5, GPIO_PTQ4,
GPIO_PTQ3, GPIO_PTQ2, GPIO_PTQ1, GPIO_PTQ0,
/* PTR */

8
arch/sh/include/cpu-sh4/cpu/sh7757.h
View File

@ -40,7 +40,7 @@ enum {
/* PTJ */
GPIO_PTJ0, GPIO_PTJ1, GPIO_PTJ2, GPIO_PTJ3,
GPIO_PTJ4, GPIO_PTJ5, GPIO_PTJ6, GPIO_PTJ7_RESV,
GPIO_PTJ4, GPIO_PTJ5, GPIO_PTJ6,
/* PTK */
GPIO_PTK0, GPIO_PTK1, GPIO_PTK2, GPIO_PTK3,
@ -48,7 +48,7 @@ enum {
/* PTL */
GPIO_PTL0, GPIO_PTL1, GPIO_PTL2, GPIO_PTL3,
GPIO_PTL4, GPIO_PTL5, GPIO_PTL6, GPIO_PTL7_RESV,
GPIO_PTL4, GPIO_PTL5, GPIO_PTL6,
/* PTM */
GPIO_PTM0, GPIO_PTM1, GPIO_PTM2, GPIO_PTM3,
@ -56,7 +56,7 @@ enum {
/* PTN */
GPIO_PTN0, GPIO_PTN1, GPIO_PTN2, GPIO_PTN3,
GPIO_PTN4, GPIO_PTN5, GPIO_PTN6, GPIO_PTN7_RESV,
GPIO_PTN4, GPIO_PTN5, GPIO_PTN6,
/* PTO */
GPIO_PTO0, GPIO_PTO1, GPIO_PTO2, GPIO_PTO3,
@ -68,7 +68,7 @@ enum {
/* PTQ */
GPIO_PTQ0, GPIO_PTQ1, GPIO_PTQ2, GPIO_PTQ3,
GPIO_PTQ4, GPIO_PTQ5, GPIO_PTQ6, GPIO_PTQ7_RESV,
GPIO_PTQ4, GPIO_PTQ5, GPIO_PTQ6,
/* PTR */
GPIO_PTR0, GPIO_PTR1, GPIO_PTR2, GPIO_PTR3,

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

@ -98,7 +98,7 @@ static struct clocksource timer_clocksource = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static void __init timer_setup(void)
static void __init um_timer_setup(void)
{
int err;
@ -132,5 +132,5 @@ void read_persistent_clock(struct timespec *ts)
void __init time_init(void)
{
timer_set_signal_handler();
late_time_init = timer_setup;
late_time_init = um_timer_setup;
}

4
arch/x86/events/intel/cstate.c
View File

@ -552,6 +552,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_CSTATES_MODEL(INTEL_FAM6_SKYLAKE_MOBILE, snb_cstates),
X86_CSTATES_MODEL(INTEL_FAM6_SKYLAKE_DESKTOP, snb_cstates),
X86_CSTATES_MODEL(INTEL_FAM6_SKYLAKE_X, snb_cstates),
X86_CSTATES_MODEL(INTEL_FAM6_KABYLAKE_MOBILE, snb_cstates),
X86_CSTATES_MODEL(INTEL_FAM6_KABYLAKE_DESKTOP, snb_cstates),
@ -560,6 +561,9 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_CSTATES_MODEL(INTEL_FAM6_XEON_PHI_KNM, knl_cstates),
X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GOLDMONT, glm_cstates),
X86_CSTATES_MODEL(INTEL_FAM6_ATOM_DENVERTON, glm_cstates),
X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GEMINI_LAKE, glm_cstates),
{ },
};
MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match);

3
arch/x86/events/intel/rapl.c
View File

@ -775,6 +775,9 @@ static const struct x86_cpu_id rapl_cpu_match[] __initconst = {
X86_RAPL_MODEL_MATCH(INTEL_FAM6_KABYLAKE_DESKTOP, skl_rapl_init),
X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_GOLDMONT, hsw_rapl_init),
X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_DENVERTON, hsw_rapl_init),
X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_GEMINI_LAKE, hsw_rapl_init),
{},
};

4
arch/x86/events/intel/uncore_snbep.c
View File

@ -3462,7 +3462,7 @@ static struct intel_uncore_ops skx_uncore_iio_ops = {
static struct intel_uncore_type skx_uncore_iio = {
.name = "iio",
.num_counters = 4,
.num_boxes = 5,
.num_boxes = 6,
.perf_ctr_bits = 48,
.event_ctl = SKX_IIO0_MSR_PMON_CTL0,
.perf_ctr = SKX_IIO0_MSR_PMON_CTR0,
@ -3492,7 +3492,7 @@ static const struct attribute_group skx_uncore_format_group = {
static struct intel_uncore_type skx_uncore_irp = {
.name = "irp",
.num_counters = 2,
.num_boxes = 5,
.num_boxes = 6,
.perf_ctr_bits = 48,
.event_ctl = SKX_IRP0_MSR_PMON_CTL0,
.perf_ctr = SKX_IRP0_MSR_PMON_CTR0,

8
arch/x86/events/msr.c
View File

@ -63,6 +63,14 @@ static bool test_intel(int idx)
case INTEL_FAM6_ATOM_SILVERMONT1:
case INTEL_FAM6_ATOM_SILVERMONT2:
case INTEL_FAM6_ATOM_AIRMONT:
case INTEL_FAM6_ATOM_GOLDMONT:
case INTEL_FAM6_ATOM_DENVERTON:
case INTEL_FAM6_ATOM_GEMINI_LAKE:
case INTEL_FAM6_XEON_PHI_KNL:
case INTEL_FAM6_XEON_PHI_KNM:
if (idx == PERF_MSR_SMI)
return true;
break;

2
arch/x86/ia32/ia32_signal.c
View File

@ -231,7 +231,7 @@ static void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs,
ksig->ka.sa.sa_restorer)
sp = (unsigned long) ksig->ka.sa.sa_restorer;
if (fpu->fpstate_active) {
if (fpu->initialized) {
unsigned long fx_aligned, math_size;
sp = fpu__alloc_mathframe(sp, 1, &fx_aligned, &math_size);

3
arch/x86/include/asm/alternative.h
View File

@ -218,10 +218,9 @@ static inline int alternatives_text_reserved(void *start, void *end)
#define alternative_call_2(oldfunc, newfunc1, feature1, newfunc2, feature2, \
output, input...) \
{ \
register void *__sp asm(_ASM_SP); \
asm volatile (ALTERNATIVE_2("call %P[old]", "call %P[new1]", feature1,\
"call %P[new2]", feature2) \
: output, "+r" (__sp) \
: output, ASM_CALL_CONSTRAINT \
: [old] "i" (oldfunc), [new1] "i" (newfunc1), \
[new2] "i" (newfunc2), ## input); \
}

15
arch/x86/include/asm/asm.h
View File

@ -11,10 +11,12 @@
# define __ASM_FORM_COMMA(x) " " #x ","
#endif
#ifdef CONFIG_X86_32
#ifndef __x86_64__
/* 32 bit */
# define __ASM_SEL(a,b) __ASM_FORM(a)
# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a)
#else
/* 64 bit */
# define __ASM_SEL(a,b) __ASM_FORM(b)
# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b)
#endif
@ -132,4 +134,15 @@
/* For C file, we already have NOKPROBE_SYMBOL macro */
#endif
#ifndef __ASSEMBLY__
/*
* This output constraint should be used for any inline asm which has a "call"
* instruction. Otherwise the asm may be inserted before the frame pointer
* gets set up by the containing function. If you forget to do this, objtool
* may print a "call without frame pointer save/setup" warning.
*/
register unsigned long current_stack_pointer asm(_ASM_SP);
#define ASM_CALL_CONSTRAINT "+r" (current_stack_pointer)
#endif
#endif /* _ASM_X86_ASM_H */

90
arch/x86/include/asm/fpu/internal.h
View File

@ -23,11 +23,9 @@
/*
* High level FPU state handling functions:
*/
extern void fpu__activate_curr(struct fpu *fpu);
extern void fpu__activate_fpstate_read(struct fpu *fpu);
extern void fpu__activate_fpstate_write(struct fpu *fpu);
extern void fpu__current_fpstate_write_begin(void);
extern void fpu__current_fpstate_write_end(void);
extern void fpu__initialize(struct fpu *fpu);
extern void fpu__prepare_read(struct fpu *fpu);
extern void fpu__prepare_write(struct fpu *fpu);
extern void fpu__save(struct fpu *fpu);
extern void fpu__restore(struct fpu *fpu);
extern int fpu__restore_sig(void __user *buf, int ia32_frame);
@ -120,20 +118,11 @@ extern void fpstate_sanitize_xstate(struct fpu *fpu);
err; \
})
#define check_insn(insn, output, input...) \
({ \
int err; \
#define kernel_insn(insn, output, input...) \
asm volatile("1:" #insn "\n\t" \
"2:\n" \
".section .fixup,\"ax\"\n" \
"3: movl $-1,%[err]\n" \
" jmp 2b\n" \
".previous\n" \
_ASM_EXTABLE(1b, 3b) \
: [err] "=r" (err), output \
: "0"(0), input); \
err; \
})
_ASM_EXTABLE_HANDLE(1b, 2b, ex_handler_fprestore) \
: output : input)
static inline int copy_fregs_to_user(struct fregs_state __user *fx)
{
@ -153,20 +142,16 @@ static inline int copy_fxregs_to_user(struct fxregs_state __user *fx)
static inline void copy_kernel_to_fxregs(struct fxregs_state *fx)
{
int err;
if (IS_ENABLED(CONFIG_X86_32)) {
err = check_insn(fxrstor %[fx], "=m" (*fx), [fx] "m" (*fx));
kernel_insn(fxrstor %[fx], "=m" (*fx), [fx] "m" (*fx));
} else {
if (IS_ENABLED(CONFIG_AS_FXSAVEQ)) {
err = check_insn(fxrstorq %[fx], "=m" (*fx), [fx] "m" (*fx));
kernel_insn(fxrstorq %[fx], "=m" (*fx), [fx] "m" (*fx));
} else {
/* See comment in copy_fxregs_to_kernel() below. */
err = check_insn(rex64/fxrstor (%[fx]), "=m" (*fx), [fx] "R" (fx), "m" (*fx));
kernel_insn(rex64/fxrstor (%[fx]), "=m" (*fx), [fx] "R" (fx), "m" (*fx));
}
}
/* Copying from a kernel buffer to FPU registers should never fail: */
WARN_ON_FPU(err);
}
static inline int copy_user_to_fxregs(struct fxregs_state __user *fx)
@ -183,9 +168,7 @@ static inline int copy_user_to_fxregs(struct fxregs_state __user *fx)
static inline void copy_kernel_to_fregs(struct fregs_state *fx)
{
int err = check_insn(frstor %[fx], "=m" (*fx), [fx] "m" (*fx));
WARN_ON_FPU(err);
kernel_insn(frstor %[fx], "=m" (*fx), [fx] "m" (*fx));
}
static inline int copy_user_to_fregs(struct fregs_state __user *fx)
@ -281,18 +264,13 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu)
* Use XRSTORS to restore context if it is enabled. XRSTORS supports compact
* XSAVE area format.
*/
#define XSTATE_XRESTORE(st, lmask, hmask, err) \
#define XSTATE_XRESTORE(st, lmask, hmask) \
asm volatile(ALTERNATIVE(XRSTOR, \
XRSTORS, X86_FEATURE_XSAVES) \
"\n" \
"xor %[err], %[err]\n" \
"3:\n" \
".pushsection .fixup,\"ax\"\n" \
"4: movl $-2, %[err]\n" \
"jmp 3b\n" \
".popsection\n" \
_ASM_EXTABLE(661b, 4b) \
: [err] "=r" (err) \
_ASM_EXTABLE_HANDLE(661b, 3b, ex_handler_fprestore)\
: \
: "D" (st), "m" (*st), "a" (lmask), "d" (hmask) \
: "memory")
@ -336,7 +314,10 @@ static inline void copy_kernel_to_xregs_booting(struct xregs_state *xstate)
else
XSTATE_OP(XRSTOR, xstate, lmask, hmask, err);
/* We should never fault when copying from a kernel buffer: */
/*
* We should never fault when copying from a kernel buffer, and the FPU
* state we set at boot time should be valid.
*/
WARN_ON_FPU(err);
}
@ -350,7 +331,7 @@ static inline void copy_xregs_to_kernel(struct xregs_state *xstate)
u32 hmask = mask >> 32;
int err;
WARN_ON(!alternatives_patched);
WARN_ON_FPU(!alternatives_patched);
XSTATE_XSAVE(xstate, lmask, hmask, err);
@ -365,12 +346,8 @@ static inline void copy_kernel_to_xregs(struct xregs_state *xstate, u64 mask)
{
u32 lmask = mask;
u32 hmask = mask >> 32;
int err;
XSTATE_XRESTORE(xstate, lmask, hmask, err);
/* We should never fault when copying from a kernel buffer: */
WARN_ON_FPU(err);
XSTATE_XRESTORE(xstate, lmask, hmask);
}
/*
@ -526,37 +503,16 @@ static inline int fpregs_state_valid(struct fpu *fpu, unsigned int cpu)
*/
static inline void fpregs_deactivate(struct fpu *fpu)
{
WARN_ON_FPU(!fpu->fpregs_active);
fpu->fpregs_active = 0;
this_cpu_write(fpu_fpregs_owner_ctx, NULL);
trace_x86_fpu_regs_deactivated(fpu);
}
static inline void fpregs_activate(struct fpu *fpu)
{
WARN_ON_FPU(fpu->fpregs_active);
fpu->fpregs_active = 1;
this_cpu_write(fpu_fpregs_owner_ctx, fpu);
trace_x86_fpu_regs_activated(fpu);
}
/*
* The question "does this thread have fpu access?"
* is slightly racy, since preemption could come in
* and revoke it immediately after the test.
*
* However, even in that very unlikely scenario,
* we can just assume we have FPU access - typically
* to save the FP state - we'll just take a #NM
* fault and get the FPU access back.
*/
static inline int fpregs_active(void)
{
return current->thread.fpu.fpregs_active;
}
/*
* FPU state switching for scheduling.
*
@ -571,14 +527,13 @@ static inline int fpregs_active(void)
static inline void
switch_fpu_prepare(struct fpu *old_fpu, int cpu)
{
if (old_fpu->fpregs_active) {
if (old_fpu->initialized) {
if (!copy_fpregs_to_fpstate(old_fpu))
old_fpu->last_cpu = -1;
else
old_fpu->last_cpu = cpu;
/* But leave fpu_fpregs_owner_ctx! */
old_fpu->fpregs_active = 0;
trace_x86_fpu_regs_deactivated(old_fpu);
} else
old_fpu->last_cpu = -1;
@ -595,7 +550,7 @@ switch_fpu_prepare(struct fpu *old_fpu, int cpu)
static inline void switch_fpu_finish(struct fpu *new_fpu, int cpu)
{
bool preload = static_cpu_has(X86_FEATURE_FPU) &&
new_fpu->fpstate_active;
new_fpu->initialized;
if (preload) {
if (!fpregs_state_valid(new_fpu, cpu))
@ -617,8 +572,7 @@ static inline void user_fpu_begin(void)
struct fpu *fpu = &current->thread.fpu;
preempt_disable();
if (!fpregs_active())
fpregs_activate(fpu);
fpregs_activate(fpu);
preempt_enable();
}

32
arch/x86/include/asm/fpu/types.h
View File

@ -68,6 +68,9 @@ struct fxregs_state {
/* Default value for fxregs_state.mxcsr: */
#define MXCSR_DEFAULT 0x1f80
/* Copy both mxcsr & mxcsr_flags with a single u64 memcpy: */
#define MXCSR_AND_FLAGS_SIZE sizeof(u64)
/*
* Software based FPU emulation state. This is arbitrary really,
* it matches the x87 format to make it easier to understand:
@ -290,36 +293,13 @@ struct fpu {
unsigned int last_cpu;
/*
* @fpstate_active:
* @initialized:
*
* This flag indicates whether this context is active: if the task
* This flag indicates whether this context is initialized: if the task
* is not running then we can restore from this context, if the task
* is running then we should save into this context.
*/
unsigned char fpstate_active;
/*
* @fpregs_active:
*
* This flag determines whether a given context is actively
* loaded into the FPU's registers and that those registers
* represent the task's current FPU state.
*
* Note the interaction with fpstate_active:
*
* # task does not use the FPU:
* fpstate_active == 0
*
* # task uses the FPU and regs are active:
* fpstate_active == 1 && fpregs_active == 1
*
* # the regs are inactive but still match fpstate:
* fpstate_active == 1 && fpregs_active == 0 && fpregs_owner == fpu
*
* The third state is what we use for the lazy restore optimization
* on lazy-switching CPUs.
*/
unsigned char fpregs_active;
unsigned char initialized;
/*
* @state:

12
arch/x86/include/asm/fpu/xstate.h
View File

@ -48,8 +48,12 @@ void fpu__xstate_clear_all_cpu_caps(void);
void *get_xsave_addr(struct xregs_state *xsave, int xstate);
const void *get_xsave_field_ptr(int xstate_field);
int using_compacted_format(void);
int copyout_from_xsaves(unsigned int pos, unsigned int count, void *kbuf,
void __user *ubuf, struct xregs_state *xsave);
int copyin_to_xsaves(const void *kbuf, const void __user *ubuf,
struct xregs_state *xsave);
int copy_xstate_to_kernel(void *kbuf, struct xregs_state *xsave, unsigned int offset, unsigned int size);
int copy_xstate_to_user(void __user *ubuf, struct xregs_state *xsave, unsigned int offset, unsigned int size);
int copy_kernel_to_xstate(struct xregs_state *xsave, const void *kbuf);
int copy_user_to_xstate(struct xregs_state *xsave, const void __user *ubuf);
/* Validate an xstate header supplied by userspace (ptrace or sigreturn) */
extern int validate_xstate_header(const struct xstate_header *hdr);
#endif

32
arch/x86/include/asm/mmu_context.h
View File

@ -286,6 +286,32 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
return __pkru_allows_pkey(vma_pkey(vma), write);
}
/*
* If PCID is on, ASID-aware code paths put the ASID+1 into the PCID
* bits. This serves two purposes. It prevents a nasty situation in
* which PCID-unaware code saves CR3, loads some other value (with PCID
* == 0), and then restores CR3, thus corrupting the TLB for ASID 0 if
* the saved ASID was nonzero. It also means that any bugs involving
* loading a PCID-enabled CR3 with CR4.PCIDE off will trigger
* deterministically.
*/
static inline unsigned long build_cr3(struct mm_struct *mm, u16 asid)
{
if (static_cpu_has(X86_FEATURE_PCID)) {
VM_WARN_ON_ONCE(asid > 4094);
return __sme_pa(mm->pgd) | (asid + 1);
} else {
VM_WARN_ON_ONCE(asid != 0);
return __sme_pa(mm->pgd);
}
}
static inline unsigned long build_cr3_noflush(struct mm_struct *mm, u16 asid)
{
VM_WARN_ON_ONCE(asid > 4094);
return __sme_pa(mm->pgd) | (asid + 1) | CR3_NOFLUSH;
}
/*
* This can be used from process context to figure out what the value of
@ -296,10 +322,8 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
*/
static inline unsigned long __get_current_cr3_fast(void)
{
unsigned long cr3 = __pa(this_cpu_read(cpu_tlbstate.loaded_mm)->pgd);
if (static_cpu_has(X86_FEATURE_PCID))
cr3 |= this_cpu_read(cpu_tlbstate.loaded_mm_asid);
unsigned long cr3 = build_cr3(this_cpu_read(cpu_tlbstate.loaded_mm),
this_cpu_read(cpu_tlbstate.loaded_mm_asid));
/* For now, be very restrictive about when this can be called. */
VM_WARN_ON(in_nmi() || preemptible());

10
arch/x86/include/asm/mshyperv.h
View File

@ -179,7 +179,6 @@ static inline u64 hv_do_hypercall(u64 control, void *input, void *output)
u64 input_address = input ? virt_to_phys(input) : 0;
u64 output_address = output ? virt_to_phys(output) : 0;
u64 hv_status;
register void *__sp asm(_ASM_SP);
#ifdef CONFIG_X86_64
if (!hv_hypercall_pg)
@ -187,7 +186,7 @@ static inline u64 hv_do_hypercall(u64 control, void *input, void *output)
__asm__ __volatile__("mov %4, %%r8\n"
"call *%5"
: "=a" (hv_status), "+r" (__sp),
: "=a" (hv_status), ASM_CALL_CONSTRAINT,
"+c" (control), "+d" (input_address)
: "r" (output_address), "m" (hv_hypercall_pg)
: "cc", "memory", "r8", "r9", "r10", "r11");
@ -202,7 +201,7 @@ static inline u64 hv_do_hypercall(u64 control, void *input, void *output)
__asm__ __volatile__("call *%7"
: "=A" (hv_status),
"+c" (input_address_lo), "+r" (__sp)
"+c" (input_address_lo), ASM_CALL_CONSTRAINT
: "A" (control),
"b" (input_address_hi),
"D"(output_address_hi), "S"(output_address_lo),
@ -224,12 +223,11 @@ static inline u64 hv_do_hypercall(u64 control, void *input, void *output)
static inline u64 hv_do_fast_hypercall8(u16 code, u64 input1)
{
u64 hv_status, control = (u64)code | HV_HYPERCALL_FAST_BIT;
register void *__sp asm(_ASM_SP);
#ifdef CONFIG_X86_64
{
__asm__ __volatile__("call *%4"
: "=a" (hv_status), "+r" (__sp),
: "=a" (hv_status), ASM_CALL_CONSTRAINT,
"+c" (control), "+d" (input1)
: "m" (hv_hypercall_pg)
: "cc", "r8", "r9", "r10", "r11");
@ -242,7 +240,7 @@ static inline u64 hv_do_fast_hypercall8(u16 code, u64 input1)
__asm__ __volatile__ ("call *%5"
: "=A"(hv_status),
"+c"(input1_lo),
"+r"(__sp)
ASM_CALL_CONSTRAINT
: "A" (control),
"b" (input1_hi),
"m" (hv_hypercall_pg)

14
arch/x86/include/asm/paravirt_types.h
View File

@ -459,8 +459,8 @@ int paravirt_disable_iospace(void);
*/
#ifdef CONFIG_X86_32
#define PVOP_VCALL_ARGS \
unsigned long __eax = __eax, __edx = __edx, __ecx = __ecx; \
register void *__sp asm("esp")
unsigned long __eax = __eax, __edx = __edx, __ecx = __ecx;
#define PVOP_CALL_ARGS PVOP_VCALL_ARGS
#define PVOP_CALL_ARG1(x) "a" ((unsigned long)(x))
@ -480,8 +480,8 @@ int paravirt_disable_iospace(void);
/* [re]ax isn't an arg, but the return val */
#define PVOP_VCALL_ARGS \
unsigned long __edi = __edi, __esi = __esi, \
__edx = __edx, __ecx = __ecx, __eax = __eax; \
register void *__sp asm("rsp")
__edx = __edx, __ecx = __ecx, __eax = __eax;
#define PVOP_CALL_ARGS PVOP_VCALL_ARGS
#define PVOP_CALL_ARG1(x) "D" ((unsigned long)(x))
@ -532,7 +532,7 @@ int paravirt_disable_iospace(void);
asm volatile(pre \
paravirt_alt(PARAVIRT_CALL) \
post \
: call_clbr, "+r" (__sp) \
: call_clbr, ASM_CALL_CONSTRAINT \
: paravirt_type(op), \
paravirt_clobber(clbr), \
##__VA_ARGS__ \
@ -542,7 +542,7 @@ int paravirt_disable_iospace(void);
asm volatile(pre \
paravirt_alt(PARAVIRT_CALL) \
post \
: call_clbr, "+r" (__sp) \
: call_clbr, ASM_CALL_CONSTRAINT \
: paravirt_type(op), \
paravirt_clobber(clbr), \
##__VA_ARGS__ \
@ -569,7 +569,7 @@ int paravirt_disable_iospace(void);
asm volatile(pre \
paravirt_alt(PARAVIRT_CALL) \
post \
: call_clbr, "+r" (__sp) \
: call_clbr, ASM_CALL_CONSTRAINT \
: paravirt_type(op), \
paravirt_clobber(clbr), \
##__VA_ARGS__ \

15
arch/x86/include/asm/preempt.h
View File

@ -100,19 +100,14 @@ static __always_inline bool should_resched(int preempt_offset)
#ifdef CONFIG_PREEMPT
extern asmlinkage void ___preempt_schedule(void);
# define __preempt_schedule() \
({ \
register void *__sp asm(_ASM_SP); \
asm volatile ("call ___preempt_schedule" : "+r"(__sp)); \
})
# define __preempt_schedule() \
asm volatile ("call ___preempt_schedule" : ASM_CALL_CONSTRAINT)
extern asmlinkage void preempt_schedule(void);
extern asmlinkage void ___preempt_schedule_notrace(void);
# define __preempt_schedule_notrace() \
({ \
register void *__sp asm(_ASM_SP); \
asm volatile ("call ___preempt_schedule_notrace" : "+r"(__sp)); \
})
# define __preempt_schedule_notrace() \
asm volatile ("call ___preempt_schedule_notrace" : ASM_CALL_CONSTRAINT)
extern asmlinkage void preempt_schedule_notrace(void);
#endif

6
arch/x86/include/asm/processor.h
View File

@ -677,8 +677,6 @@ static inline void sync_core(void)
* Like all of Linux's memory ordering operations, this is a
* compiler barrier as well.
*/
register void *__sp asm(_ASM_SP);
#ifdef CONFIG_X86_32
asm volatile (
"pushfl\n\t"
@ -686,7 +684,7 @@ static inline void sync_core(void)
"pushl $1f\n\t"
"iret\n\t"
"1:"
: "+r" (__sp) : : "memory");
: ASM_CALL_CONSTRAINT : : "memory");
#else
unsigned int tmp;
@ -703,7 +701,7 @@ static inline void sync_core(void)
"iretq\n\t"
UNWIND_HINT_RESTORE
"1:"
: "=&r" (tmp), "+r" (__sp) : : "cc", "memory");
: "=&r" (tmp), ASM_CALL_CONSTRAINT : : "cc", "memory");
#endif
}

4
arch/x86/include/asm/rwsem.h
View File

@ -103,7 +103,6 @@ static inline bool __down_read_trylock(struct rw_semaphore *sem)
({ \
long tmp; \
struct rw_semaphore* ret; \
register void *__sp asm(_ASM_SP); \
\
asm volatile("# beginning down_write\n\t" \
LOCK_PREFIX " xadd %1,(%4)\n\t" \
@ -114,7 +113,8 @@ static inline bool __down_read_trylock(struct rw_semaphore *sem)
" call " slow_path "\n" \
"1:\n" \
"# ending down_write" \
: "+m" (sem->count), "=d" (tmp), "=a" (ret), "+r" (__sp) \
: "+m" (sem->count), "=d" (tmp), \
"=a" (ret), ASM_CALL_CONSTRAINT \
: "a" (sem), "1" (RWSEM_ACTIVE_WRITE_BIAS) \
: "memory", "cc"); \
ret; \

11
arch/x86/include/asm/thread_info.h
View File

@ -158,17 +158,6 @@ struct thread_info {
*/
#ifndef __ASSEMBLY__
static inline unsigned long current_stack_pointer(void)
{
unsigned long sp;
#ifdef CONFIG_X86_64
asm("mov %%rsp,%0" : "=g" (sp));
#else
asm("mov %%esp,%0" : "=g" (sp));
#endif
return sp;
}
/*
* Walks up the stack frames to make sure that the specified object is
* entirely contained by a single stack frame.

11
arch/x86/include/asm/trace/fpu.h
View File

@ -12,25 +12,22 @@ DECLARE_EVENT_CLASS(x86_fpu,
TP_STRUCT__entry(
__field(struct fpu *, fpu)
__field(bool, fpregs_active)
__field(bool, fpstate_active)
__field(bool, initialized)
__field(u64, xfeatures)
__field(u64, xcomp_bv)
),
TP_fast_assign(
__entry->fpu = fpu;
__entry->fpregs_active = fpu->fpregs_active;
__entry->fpstate_active = fpu->fpstate_active;
__entry->initialized = fpu->initialized;
if (boot_cpu_has(X86_FEATURE_OSXSAVE)) {
__entry->xfeatures = fpu->state.xsave.header.xfeatures;
__entry->xcomp_bv = fpu->state.xsave.header.xcomp_bv;
}
),
TP_printk("x86/fpu: %p fpregs_active: %d fpstate_active: %d xfeatures: %llx xcomp_bv: %llx",
TP_printk("x86/fpu: %p initialized: %d xfeatures: %llx xcomp_bv: %llx",
__entry->fpu,
__entry->fpregs_active,
__entry->fpstate_active,
__entry->initialized,
__entry->xfeatures,
__entry->xcomp_bv
)

6
arch/x86/include/asm/uaccess.h
View File

@ -166,11 +166,11 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL))
({ \
int __ret_gu; \
register __inttype(*(ptr)) __val_gu asm("%"_ASM_DX); \
register void *__sp asm(_ASM_SP); \
__chk_user_ptr(ptr); \
might_fault(); \
asm volatile("call __get_user_%P4" \
: "=a" (__ret_gu), "=r" (__val_gu), "+r" (__sp) \
: "=a" (__ret_gu), "=r" (__val_gu), \
ASM_CALL_CONSTRAINT \
: "0" (ptr), "i" (sizeof(*(ptr)))); \
(x) = (__force __typeof__(*(ptr))) __val_gu; \
__builtin_expect(__ret_gu, 0); \
@ -337,7 +337,7 @@ do { \
_ASM_EXTABLE(1b, 4b) \
_ASM_EXTABLE(2b, 4b) \
: "=r" (retval), "=&A"(x) \
: "m" (__m(__ptr)), "m" __m(((u32 *)(__ptr)) + 1), \
: "m" (__m(__ptr)), "m" __m(((u32 __user *)(__ptr)) + 1), \
"i" (errret), "0" (retval)); \
})

9
arch/x86/include/asm/xen/hypercall.h
View File

@ -113,10 +113,9 @@ extern struct { char _entry[32]; } hypercall_page[];
register unsigned long __arg2 asm(__HYPERCALL_ARG2REG) = __arg2; \
register unsigned long __arg3 asm(__HYPERCALL_ARG3REG) = __arg3; \
register unsigned long __arg4 asm(__HYPERCALL_ARG4REG) = __arg4; \
register unsigned long __arg5 asm(__HYPERCALL_ARG5REG) = __arg5; \
register void *__sp asm(_ASM_SP);
register unsigned long __arg5 asm(__HYPERCALL_ARG5REG) = __arg5;
#define __HYPERCALL_0PARAM "=r" (__res), "+r" (__sp)
#define __HYPERCALL_0PARAM "=r" (__res), ASM_CALL_CONSTRAINT
#define __HYPERCALL_1PARAM __HYPERCALL_0PARAM, "+r" (__arg1)
#define __HYPERCALL_2PARAM __HYPERCALL_1PARAM, "+r" (__arg2)
#define __HYPERCALL_3PARAM __HYPERCALL_2PARAM, "+r" (__arg3)
@ -552,13 +551,13 @@ static inline void
MULTI_update_descriptor(struct multicall_entry *mcl, u64 maddr,
struct desc_struct desc)
{
u32 *p = (u32 *) &desc;
mcl->op = __HYPERVISOR_update_descriptor;
if (sizeof(maddr) == sizeof(long)) {
mcl->args[0] = maddr;
mcl->args[1] = *(unsigned long *)&desc;
} else {
u32 *p = (u32 *)&desc;
mcl->args[0] = maddr;
mcl->args[1] = maddr >> 32;
mcl->args[2] = *p++;

8
arch/x86/kernel/cpu/bugs.c
View File

@ -21,14 +21,6 @@
void __init check_bugs(void)
{
#ifdef CONFIG_X86_32
/*
* Regardless of whether PCID is enumerated, the SDM says
* that it can't be enabled in 32-bit mode.
*/
setup_clear_cpu_cap(X86_FEATURE_PCID);
#endif
identify_boot_cpu();
if (!IS_ENABLED(CONFIG_SMP)) {

8
arch/x86/kernel/cpu/common.c
View File

@ -904,6 +904,14 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
setup_force_cpu_cap(X86_FEATURE_ALWAYS);
fpu__init_system(c);
#ifdef CONFIG_X86_32
/*
* Regardless of whether PCID is enumerated, the SDM says
* that it can't be enabled in 32-bit mode.
*/
setup_clear_cpu_cap(X86_FEATURE_PCID);
#endif
}
void __init early_cpu_init(void)

155
arch/x86/kernel/fpu/core.c
View File

@ -100,7 +100,7 @@ void __kernel_fpu_begin(void)
kernel_fpu_disable();
if (fpu->fpregs_active) {
if (fpu->initialized) {
/*
* Ignore return value -- we don't care if reg state
* is clobbered.
@ -116,7 +116,7 @@ void __kernel_fpu_end(void)
{
struct fpu *fpu = &current->thread.fpu;
if (fpu->fpregs_active)
if (fpu->initialized)
copy_kernel_to_fpregs(&fpu->state);
kernel_fpu_enable();
@ -148,7 +148,7 @@ void fpu__save(struct fpu *fpu)
preempt_disable();
trace_x86_fpu_before_save(fpu);
if (fpu->fpregs_active) {
if (fpu->initialized) {
if (!copy_fpregs_to_fpstate(fpu)) {
copy_kernel_to_fpregs(&fpu->state);
}
@ -189,10 +189,9 @@ EXPORT_SYMBOL_GPL(fpstate_init);
int fpu__copy(struct fpu *dst_fpu, struct fpu *src_fpu)
{
dst_fpu->fpregs_active = 0;
dst_fpu->last_cpu = -1;
if (!src_fpu->fpstate_active || !static_cpu_has(X86_FEATURE_FPU))
if (!src_fpu->initialized || !static_cpu_has(X86_FEATURE_FPU))
return 0;
WARN_ON_FPU(src_fpu != &current->thread.fpu);
@ -206,26 +205,14 @@ int fpu__copy(struct fpu *dst_fpu, struct fpu *src_fpu)
/*
* Save current FPU registers directly into the child
* FPU context, without any memory-to-memory copying.
* In lazy mode, if the FPU context isn't loaded into
* fpregs, CR0.TS will be set and do_device_not_available
* will load the FPU context.
*
* We have to do all this with preemption disabled,
* mostly because of the FNSAVE case, because in that
* case we must not allow preemption in the window
* between the FNSAVE and us marking the context lazy.
*
* It shouldn't be an issue as even FNSAVE is plenty
* fast in terms of critical section length.
* ( The function 'fails' in the FNSAVE case, which destroys
* register contents so we have to copy them back. )
*/
preempt_disable();
if (!copy_fpregs_to_fpstate(dst_fpu)) {
memcpy(&src_fpu->state, &dst_fpu->state,
fpu_kernel_xstate_size);
memcpy(&src_fpu->state, &dst_fpu->state, fpu_kernel_xstate_size);
copy_kernel_to_fpregs(&src_fpu->state);
}
preempt_enable();
trace_x86_fpu_copy_src(src_fpu);
trace_x86_fpu_copy_dst(dst_fpu);
@ -237,45 +224,48 @@ int fpu__copy(struct fpu *dst_fpu, struct fpu *src_fpu)
* Activate the current task's in-memory FPU context,
* if it has not been used before:
*/
void fpu__activate_curr(struct fpu *fpu)
void fpu__initialize(struct fpu *fpu)
{
WARN_ON_FPU(fpu != &current->thread.fpu);
if (!fpu->fpstate_active) {
if (!fpu->initialized) {
fpstate_init(&fpu->state);
trace_x86_fpu_init_state(fpu);
trace_x86_fpu_activate_state(fpu);
/* Safe to do for the current task: */
fpu->fpstate_active = 1;
fpu->initialized = 1;
}
}
EXPORT_SYMBOL_GPL(fpu__activate_curr);
EXPORT_SYMBOL_GPL(fpu__initialize);
/*
* This function must be called before we read a task's fpstate.
*
* If the task has not used the FPU before then initialize its
* fpstate.
* There's two cases where this gets called:
*
* - for the current task (when coredumping), in which case we have
* to save the latest FPU registers into the fpstate,
*
* - or it's called for stopped tasks (ptrace), in which case the
* registers were already saved by the context-switch code when
* the task scheduled out - we only have to initialize the registers
* if they've never been initialized.
*
* If the task has used the FPU before then save it.
*/
void fpu__activate_fpstate_read(struct fpu *fpu)
void fpu__prepare_read(struct fpu *fpu)
{
/*
* If fpregs are active (in the current CPU), then
* copy them to the fpstate:
*/
if (fpu->fpregs_active) {
if (fpu == &current->thread.fpu) {
fpu__save(fpu);
} else {
if (!fpu->fpstate_active) {
if (!fpu->initialized) {
fpstate_init(&fpu->state);
trace_x86_fpu_init_state(fpu);
trace_x86_fpu_activate_state(fpu);
/* Safe to do for current and for stopped child tasks: */
fpu->fpstate_active = 1;
fpu->initialized = 1;
}
}
}
@ -283,17 +273,17 @@ void fpu__activate_fpstate_read(struct fpu *fpu)
/*
* This function must be called before we write a task's fpstate.
*
* If the task has used the FPU before then unlazy it.
* If the task has used the FPU before then invalidate any cached FPU registers.
* If the task has not used the FPU before then initialize its fpstate.
*
* After this function call, after registers in the fpstate are
* modified and the child task has woken up, the child task will
* restore the modified FPU state from the modified context. If we
* didn't clear its lazy status here then the lazy in-registers
* didn't clear its cached status here then the cached in-registers
* state pending on its former CPU could be restored, corrupting
* the modifications.
*/
void fpu__activate_fpstate_write(struct fpu *fpu)
void fpu__prepare_write(struct fpu *fpu)
{
/*
* Only stopped child tasks can be used to modify the FPU
@ -301,8 +291,8 @@ void fpu__activate_fpstate_write(struct fpu *fpu)
*/
WARN_ON_FPU(fpu == &current->thread.fpu);
if (fpu->fpstate_active) {
/* Invalidate any lazy state: */
if (fpu->initialized) {
/* Invalidate any cached state: */
__fpu_invalidate_fpregs_state(fpu);
} else {
fpstate_init(&fpu->state);
@ -310,73 +300,10 @@ void fpu__activate_fpstate_write(struct fpu *fpu)
trace_x86_fpu_activate_state(fpu);
/* Safe to do for stopped child tasks: */
fpu->fpstate_active = 1;
fpu->initialized = 1;
}
}
/*
* This function must be called before we write the current
* task's fpstate.
*
* This call gets the current FPU register state and moves
* it in to the 'fpstate'. Preemption is disabled so that
* no writes to the 'fpstate' can occur from context
* swiches.
*
* Must be followed by a fpu__current_fpstate_write_end().
*/
void fpu__current_fpstate_write_begin(void)
{
struct fpu *fpu = &current->thread.fpu;
/*
* Ensure that the context-switching code does not write
* over the fpstate while we are doing our update.
*/
preempt_disable();
/*
* Move the fpregs in to the fpu's 'fpstate'.
*/
fpu__activate_fpstate_read(fpu);
/*
* The caller is about to write to 'fpu'. Ensure that no
* CPU thinks that its fpregs match the fpstate. This
* ensures we will not be lazy and skip a XRSTOR in the
* future.
*/
__fpu_invalidate_fpregs_state(fpu);
}
/*
* This function must be paired with fpu__current_fpstate_write_begin()
*
* This will ensure that the modified fpstate gets placed back in
* the fpregs if necessary.
*
* Note: This function may be called whether or not an _actual_
* write to the fpstate occurred.
*/
void fpu__current_fpstate_write_end(void)
{
struct fpu *fpu = &current->thread.fpu;
/*
* 'fpu' now has an updated copy of the state, but the
* registers may still be out of date. Update them with
* an XRSTOR if they are active.
*/
if (fpregs_active())
copy_kernel_to_fpregs(&fpu->state);
/*
* Our update is done and the fpregs/fpstate are in sync
* if necessary. Context switches can happen again.
*/
preempt_enable();
}
/*
* 'fpu__restore()' is called to copy FPU registers from
* the FPU fpstate to the live hw registers and to activate
@ -389,7 +316,7 @@ void fpu__current_fpstate_write_end(void)
*/
void fpu__restore(struct fpu *fpu)
{
fpu__activate_curr(fpu);
fpu__initialize(fpu);
/* Avoid __kernel_fpu_begin() right after fpregs_activate() */
kernel_fpu_disable();
@ -414,15 +341,17 @@ void fpu__drop(struct fpu *fpu)
{
preempt_disable();
if (fpu->fpregs_active) {
/* Ignore delayed exceptions from user space */
asm volatile("1: fwait\n"
"2:\n"
_ASM_EXTABLE(1b, 2b));
fpregs_deactivate(fpu);
if (fpu == &current->thread.fpu) {
if (fpu->initialized) {
/* Ignore delayed exceptions from user space */
asm volatile("1: fwait\n"
"2:\n"
_ASM_EXTABLE(1b, 2b));
fpregs_deactivate(fpu);
}
}
fpu->fpstate_active = 0;
fpu->initialized = 0;
trace_x86_fpu_dropped(fpu);
@ -462,9 +391,11 @@ void fpu__clear(struct fpu *fpu)
* Make sure fpstate is cleared and initialized.
*/
if (static_cpu_has(X86_FEATURE_FPU)) {
fpu__activate_curr(fpu);
preempt_disable();
fpu__initialize(fpu);
user_fpu_begin();
copy_init_fpstate_to_fpregs();
preempt_enable();
}
}

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