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KVM/ARM changes for Linux v4.5 

- Complete rewrite of the arm64 world switch in C, hopefully
   paving the way for more sharing with the 32bit code, better
   maintainability and easier integration of new features.
   Also smaller and slightly faster in some cases...
 - Support for 16bit VM identifiers
 - Various cleanups
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Merge tag 'kvm-arm-for-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-next

KVM/ARM changes for Linux v4.5

- Complete rewrite of the arm64 world switch in C, hopefully
  paving the way for more sharing with the 32bit code, better
  maintainability and easier integration of new features.
  Also smaller and slightly faster in some cases...
- Support for 16bit VM identifiers
- Various cleanups
This commit is contained in:
Paolo Bonzini 2016-01-07 11:00:57 +01:00
Родитель 774926641d c7da6fa43c
Коммит def840ede3
836 изменённых файлов: 11553 добавлений и 6824 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

18
Documentation/arm/keystone/Overview.txt
Просмотреть файл

@ -49,24 +49,6 @@ specified through DTS. Following are the DTS used:-
The device tree documentation for the keystone machines are located at
Documentation/devicetree/bindings/arm/keystone/keystone.txt
Known issues & workaround
-------------------------
Some of the device drivers used on keystone are re-used from that from
DaVinci and other TI SoCs. These device drivers may use clock APIs directly.
Some of the keystone specific drivers such as netcp uses run time power
management API instead to enable clock. As this API has limitations on
keystone, following workaround is needed to boot Linux.
Add 'clk_ignore_unused' to the bootargs env variable in u-boot. Otherwise
clock frameworks will try to disable clocks that are unused and disable
the hardware. This is because netcp related power domain and clock
domains are enabled in u-boot as run time power management API currently
doesn't enable clocks for netcp due to a limitation. This workaround is
expected to be removed in the future when proper API support becomes
available. Until then, this work around is needed.
Document Author
---------------
Murali Karicheri <m-karicheri2@ti.com>

3
Documentation/block/null_blk.txt
Просмотреть файл

@ -70,3 +70,6 @@ use_per_node_hctx=[0/1]: Default: 0
parameter.
1: The multi-queue block layer is instantiated with a hardware dispatch
queue for each CPU node in the system.
use_lightnvm=[0/1]: Default: 0
Register device with LightNVM. Requires blk-mq to be used.

4
Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
Просмотреть файл

@ -11,6 +11,10 @@ Required properties:
0 = active high
1 = active low
Optional properties:
- little-endian : GPIO registers are used as little endian. If not
present registers are used as big endian by default.
Example:
gpio0: gpio@1100 {

6
Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
Просмотреть файл

@ -8,6 +8,11 @@ Required properties:
- phy-mode: See ethernet.txt file in the same directory
- clocks: a pointer to the reference clock for this device.
Optional properties:
- tx-csum-limit: maximum mtu supported by port that allow TX checksum.
Value is presented in bytes. If not used, by default 1600B is set for
"marvell,armada-370-neta" and 9800B for others.
Example:
ethernet@d0070000 {
@ -15,6 +20,7 @@ ethernet@d0070000 {
reg = <0xd0070000 0x2500>;
interrupts = <8>;
clocks = <&gate_clk 4>;
tx-csum-limit = <9800>
status = "okay";
phy = <&phy0>;
phy-mode = "rgmii-id";

4
Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
Просмотреть файл

@ -1,7 +1,9 @@
* Temperature Sensor ADC (TSADC) on rockchip SoCs
Required properties:
- compatible : "rockchip,rk3288-tsadc"
- compatible : should be "rockchip,<name>-tsadc"
"rockchip,rk3288-tsadc": found on RK3288 SoCs
"rockchip,rk3368-tsadc": found on RK3368 SoCs
- reg : physical base address of the controller and length of memory mapped
region.
- interrupts : The interrupt number to the cpu. The interrupt specifier format

22
MAINTAINERS
Просмотреть файл

@ -318,7 +318,7 @@ M: Zhang Rui <rui.zhang@intel.com>
L: linux-acpi@vger.kernel.org
W: https://01.org/linux-acpi
S: Supported
F: drivers/acpi/video.c
F: drivers/acpi/acpi_video.c
ACPI WMI DRIVER
L: platform-driver-x86@vger.kernel.org
@ -1847,7 +1847,7 @@ S: Supported
F: drivers/net/wireless/ath/ath6kl/
WILOCITY WIL6210 WIRELESS DRIVER
M: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
M: Maya Erez <qca_merez@qca.qualcomm.com>
L: linux-wireless@vger.kernel.org
L: wil6210@qca.qualcomm.com
S: Supported
@ -1931,7 +1931,7 @@ S: Supported
F: drivers/i2c/busses/i2c-at91.c
ATMEL ISI DRIVER
M: Josh Wu <josh.wu@atmel.com>
M: Ludovic Desroches <ludovic.desroches@atmel.com>
L: linux-media@vger.kernel.org
S: Supported
F: drivers/media/platform/soc_camera/atmel-isi.c
@ -1950,7 +1950,8 @@ S: Supported
F: drivers/net/ethernet/cadence/
ATMEL NAND DRIVER
M: Josh Wu <josh.wu@atmel.com>
M: Wenyou Yang <wenyou.yang@atmel.com>
M: Josh Wu <rainyfeeling@outlook.com>
L: linux-mtd@lists.infradead.org
S: Supported
F: drivers/mtd/nand/atmel_nand*
@ -2974,6 +2975,7 @@ F: kernel/cpuset.c
CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)
M: Johannes Weiner <hannes@cmpxchg.org>
M: Michal Hocko <mhocko@kernel.org>
M: Vladimir Davydov <vdavydov@virtuozzo.com>
L: cgroups@vger.kernel.org
L: linux-mm@kvack.org
S: Maintained
@ -6100,6 +6102,7 @@ M: Marc Zyngier <marc.zyngier@arm.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: kvmarm@lists.cs.columbia.edu
W: http://systems.cs.columbia.edu/projects/kvm-arm
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git
S: Supported
F: arch/arm/include/uapi/asm/kvm*
F: arch/arm/include/asm/kvm*
@ -6366,6 +6369,7 @@ F: arch/*/include/asm/pmem.h
LIGHTNVM PLATFORM SUPPORT
M: Matias Bjorling <mb@lightnvm.io>
W: http://github/OpenChannelSSD
L: linux-block@vger.kernel.org
S: Maintained
F: drivers/lightnvm/
F: include/linux/lightnvm.h
@ -8284,7 +8288,7 @@ F: include/linux/delayacct.h
F: kernel/delayacct.c
PERFORMANCE EVENTS SUBSYSTEM
M: Peter Zijlstra <a.p.zijlstra@chello.nl>
M: Peter Zijlstra <peterz@infradead.org>
M: Ingo Molnar <mingo@redhat.com>
M: Arnaldo Carvalho de Melo <acme@kernel.org>
L: linux-kernel@vger.kernel.org
@ -9425,8 +9429,10 @@ F: include/scsi/sg.h
SCSI SUBSYSTEM
M: "James E.J. Bottomley" <JBottomley@odin.com>
L: linux-scsi@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git
M: "Martin K. Petersen" <martin.petersen@oracle.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git
L: linux-scsi@vger.kernel.org
S: Maintained
F: drivers/scsi/
F: include/scsi/
@ -10901,9 +10907,9 @@ S: Maintained
F: drivers/media/tuners/tua9001*
TULIP NETWORK DRIVERS
M: Grant Grundler <grundler@parisc-linux.org>
L: netdev@vger.kernel.org
S: Maintained
L: linux-parisc@vger.kernel.org
S: Orphan
F: drivers/net/ethernet/dec/tulip/
TUN/TAP driver

2
Makefile
Просмотреть файл

@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 0
EXTRAVERSION = -rc2
EXTRAVERSION = -rc5
NAME = Blurry Fish Butt
# *DOCUMENTATION*

2
arch/arc/configs/axs101_defconfig
Просмотреть файл

@ -1,4 +1,4 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y

2
arch/arc/configs/axs103_defconfig
Просмотреть файл

@ -1,4 +1,4 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y

2
arch/arc/configs/axs103_smp_defconfig
Просмотреть файл

@ -1,4 +1,4 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y

2
arch/arc/configs/nsim_hs_defconfig
Просмотреть файл

@ -1,4 +1,4 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set

2
arch/arc/configs/nsim_hs_smp_defconfig
Просмотреть файл

@ -1,4 +1,4 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set

2
arch/arc/configs/nsimosci_hs_defconfig
Просмотреть файл

@ -1,4 +1,4 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set

2
arch/arc/configs/nsimosci_hs_smp_defconfig
Просмотреть файл

@ -1,4 +1,4 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y

2
arch/arc/configs/vdk_hs38_defconfig
Просмотреть файл

@ -1,4 +1,4 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_CROSS_MEMORY_ATTACH is not set

2
arch/arc/configs/vdk_hs38_smp_defconfig
Просмотреть файл

@ -1,4 +1,4 @@
CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_CROSS_MEMORY_ATTACH is not set

3
arch/arc/include/asm/irqflags-arcv2.h
Просмотреть файл

@ -37,6 +37,9 @@
#define ISA_INIT_STATUS_BITS (STATUS_IE_MASK | STATUS_AD_MASK | \
(ARCV2_IRQ_DEF_PRIO << 1))
/* SLEEP needs default irq priority (<=) which can interrupt the doze */
#define ISA_SLEEP_ARG (0x10 | ARCV2_IRQ_DEF_PRIO)
#ifndef __ASSEMBLY__
/*

2
arch/arc/include/asm/irqflags-compact.h
Просмотреть файл

@ -43,6 +43,8 @@
#define ISA_INIT_STATUS_BITS STATUS_IE_MASK
#define ISA_SLEEP_ARG 0x3
#ifndef __ASSEMBLY__
/******************************************************************

2
arch/arc/kernel/ctx_sw.c
Просмотреть файл

@ -58,8 +58,6 @@ __switch_to(struct task_struct *prev_task, struct task_struct *next_task)
"st sp, [r24] \n\t"
#endif
"sync \n\t"
/*
* setup _current_task with incoming tsk.
* optionally, set r25 to that as well

3
arch/arc/kernel/ctx_sw_asm.S
Просмотреть файл

@ -44,9 +44,6 @@ __switch_to:
* don't need to do anything special to return it
*/
/* hardware memory barrier */
sync
/*
* switch to new task, contained in r1
* Temp reg r3 is required to get the ptr to store val

9
arch/arc/kernel/process.c
Просмотреть файл

@ -44,11 +44,10 @@ SYSCALL_DEFINE0(arc_gettls)
void arch_cpu_idle(void)
{
/* sleep, but enable all interrupts before committing */
if (is_isa_arcompact()) {
__asm__("sleep 0x3");
} else {
__asm__("sleep 0x10");
}
__asm__ __volatile__(
"sleep %0 \n"
:
:"I"(ISA_SLEEP_ARG)); /* can't be "r" has to be embedded const */
}
asmlinkage void ret_from_fork(void);

37
arch/arc/kernel/unwind.c
Просмотреть файл

@ -986,42 +986,13 @@ int arc_unwind(struct unwind_frame_info *frame)
(const u8 *)(fde +
1) +
*fde, ptrType);
if (pc >= endLoc)
if (pc >= endLoc) {
fde = NULL;
} else
fde = NULL;
}
if (fde == NULL) {
for (fde = table->address, tableSize = table->size;
cie = NULL, tableSize > sizeof(*fde)
&& tableSize - sizeof(*fde) >= *fde;
tableSize -= sizeof(*fde) + *fde,
fde += 1 + *fde / sizeof(*fde)) {
cie = cie_for_fde(fde, table);
if (cie == &bad_cie) {
cie = NULL;
break;
}
if (cie == NULL
|| cie == &not_fde
|| (ptrType = fde_pointer_type(cie)) < 0)
continue;
ptr = (const u8 *)(fde + 2);
startLoc = read_pointer(&ptr,
(const u8 *)(fde + 1) +
*fde, ptrType);
if (!startLoc)
continue;
if (!(ptrType & DW_EH_PE_indirect))
ptrType &=
DW_EH_PE_FORM | DW_EH_PE_signed;
endLoc =
startLoc + read_pointer(&ptr,
(const u8 *)(fde +
1) +
*fde, ptrType);
if (pc >= startLoc && pc < endLoc)
break;
} else {
fde = NULL;
cie = NULL;
}
}
}

4
arch/arc/mm/tlb.c
Просмотреть файл

@ -619,10 +619,10 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr_unaligned,
int dirty = !test_and_set_bit(PG_dc_clean, &page->flags);
if (dirty) {
/* wback + inv dcache lines */
/* wback + inv dcache lines (K-mapping) */
__flush_dcache_page(paddr, paddr);
/* invalidate any existing icache lines */
/* invalidate any existing icache lines (U-mapping) */
if (vma->vm_flags & VM_EXEC)
__inv_icache_page(paddr, vaddr);
}

4
arch/arm/Kconfig
Просмотреть файл

@ -76,6 +76,8 @@ config ARM
select IRQ_FORCED_THREADING
select MODULES_USE_ELF_REL
select NO_BOOTMEM
select OF_EARLY_FLATTREE if OF
select OF_RESERVED_MEM if OF
select OLD_SIGACTION
select OLD_SIGSUSPEND3
select PERF_USE_VMALLOC
@ -1822,8 +1824,6 @@ config USE_OF
bool "Flattened Device Tree support"
select IRQ_DOMAIN
select OF
select OF_EARLY_FLATTREE
select OF_RESERVED_MEM
help
Include support for flattened device tree machine descriptions.

4
arch/arm/boot/dts/am4372.dtsi
Просмотреть файл

@ -74,7 +74,7 @@
reg = <0x48240200 0x100>;
interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
clocks = <&dpll_mpu_m2_ck>;
clocks = <&mpu_periphclk>;
};
local_timer: timer@48240600 {
@ -82,7 +82,7 @@
reg = <0x48240600 0x100>;
interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
clocks = <&dpll_mpu_m2_ck>;
clocks = <&mpu_periphclk>;
};
l2-cache-controller@48242000 {

8
arch/arm/boot/dts/am43xx-clocks.dtsi
Просмотреть файл

@ -259,6 +259,14 @@
ti,invert-autoidle-bit;
};
mpu_periphclk: mpu_periphclk {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
clocks = <&dpll_mpu_m2_ck>;
clock-mult = <1>;
clock-div = <2>;
};
dpll_ddr_ck: dpll_ddr_ck {
#clock-cells = <0>;
compatible = "ti,am3-dpll-clock";

1
arch/arm/boot/dts/am57xx-beagle-x15.dts
Просмотреть файл

@ -604,6 +604,7 @@
reg = <0x6f>;
interrupts-extended = <&crossbar_mpu GIC_SPI 2 IRQ_TYPE_EDGE_RISING>,
<&dra7_pmx_core 0x424>;
interrupt-names = "irq", "wakeup";
pinctrl-names = "default";
pinctrl-0 = <&mcp79410_pins_default>;

6
arch/arm/boot/dts/animeo_ip.dts
Просмотреть файл

@ -155,21 +155,21 @@
label = "keyswitch_in";
gpios = <&pioB 1 GPIO_ACTIVE_HIGH>;
linux,code = <28>;
gpio-key,wakeup;
wakeup-source;
};
error_in {
label = "error_in";
gpios = <&pioB 2 GPIO_ACTIVE_HIGH>;
linux,code = <29>;
gpio-key,wakeup;
wakeup-source;
};
btn {
label = "btn";
gpios = <&pioC 23 GPIO_ACTIVE_HIGH>;
linux,code = <31>;
gpio-key,wakeup;
wakeup-source;
};
};
};

1
arch/arm/boot/dts/armada-38x.dtsi
Просмотреть файл

@ -498,6 +498,7 @@
reg = <0x70000 0x4000>;
interrupts-extended = <&mpic 8>;
clocks = <&gateclk 4>;
tx-csum-limit = <9800>;
status = "disabled";
};

2
arch/arm/boot/dts/at91-foxg20.dts
Просмотреть файл

@ -159,7 +159,7 @@
label = "Button";
gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
linux,code = <0x103>;
gpio-key,wakeup;
wakeup-source;
};
};
};

13
arch/arm/boot/dts/at91-kizbox.dts
Просмотреть файл

@ -24,15 +24,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <18432000>;
};
main_xtal {
clock-frequency = <18432000>;
};
@ -94,14 +85,14 @@
label = "PB_RST";
gpios = <&pioB 30 GPIO_ACTIVE_HIGH>;
linux,code = <0x100>;
gpio-key,wakeup;
wakeup-source;
};
user {
label = "PB_USER";
gpios = <&pioB 31 GPIO_ACTIVE_HIGH>;
linux,code = <0x101>;
gpio-key,wakeup;
wakeup-source;
};
};

6
arch/arm/boot/dts/at91-kizbox2.dts
Просмотреть файл

@ -171,21 +171,21 @@
label = "PB_PROG";
gpios = <&pioE 27 GPIO_ACTIVE_LOW>;
linux,code = <0x102>;
gpio-key,wakeup;
wakeup-source;
};
reset {
label = "PB_RST";
gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
linux,code = <0x100>;
gpio-key,wakeup;
wakeup-source;
};
user {
label = "PB_USER";
gpios = <&pioE 31 GPIO_ACTIVE_HIGH>;
linux,code = <0x101>;
gpio-key,wakeup;
wakeup-source;
};
};

4
arch/arm/boot/dts/at91-kizboxmini.dts
Просмотреть файл

@ -98,14 +98,14 @@
label = "PB_PROG";
gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
linux,code = <0x102>;
gpio-key,wakeup;
wakeup-source;
};
reset {
label = "PB_RST";
gpios = <&pioC 16 GPIO_ACTIVE_LOW>;
linux,code = <0x100>;
gpio-key,wakeup;
wakeup-source;
};
};

2
arch/arm/boot/dts/at91-qil_a9260.dts
Просмотреть файл

@ -183,7 +183,7 @@
label = "user_pb";
gpios = <&pioB 10 GPIO_ACTIVE_LOW>;
linux,code = <28>;
gpio-key,wakeup;
wakeup-source;
};
};

116
arch/arm/boot/dts/at91-sama5d2_xplained.dts
Просмотреть файл

@ -45,6 +45,7 @@
/dts-v1/;
#include "sama5d2.dtsi"
#include "sama5d2-pinfunc.h"
#include <dt-bindings/mfd/atmel-flexcom.h>
/ {
model = "Atmel SAMA5D2 Xplained";
@ -59,15 +60,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <12000000>;
};
slow_xtal {
clock-frequency = <32768>;
};
@ -91,6 +83,22 @@
status = "okay";
};
sdmmc0: sdio-host@a0000000 {
bus-width = <8>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc0_default>;
non-removable;
mmc-ddr-1_8v;
status = "okay";
};
sdmmc1: sdio-host@b0000000 {
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc1_default>;
status = "okay"; /* conflict with qspi0 */
};
apb {
spi0: spi@f8000000 {
pinctrl-names = "default";
@ -176,17 +184,55 @@
regulator-name = "VDD_SDHC_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
};
};
};
flx0: flexcom@f8034000 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
status = "disabled"; /* conflict with ISC_D2 & ISC_D3 data pins */
uart5: serial@200 {
compatible = "atmel,at91sam9260-usart";
reg = <0x200 0x200>;
interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>;
clocks = <&flx0_clk>;
clock-names = "usart";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx0_default>;
atmel,fifo-size = <32>;
status = "okay";
};
};
uart3: serial@fc008000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3_default>;
status = "okay";
};
flx4: flexcom@fc018000 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
status = "okay";
i2c2: i2c@600 {
compatible = "atmel,sama5d2-i2c";
reg = <0x600 0x200>;
interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
dmas = <0>, <0>;
dma-names = "tx", "rx";
#address-cells = <1>;
#size-cells = <0>;
clocks = <&flx4_clk>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx4_default>;
atmel,fifo-size = <16>;
status = "okay";
};
};
i2c1: i2c@fc028000 {
dmas = <0>, <0>;
pinctrl-names = "default";
@ -201,6 +247,18 @@
};
pinctrl@fc038000 {
pinctrl_flx0_default: flx0_default {
pinmux = <PIN_PB28__FLEXCOM0_IO0>,
<PIN_PB29__FLEXCOM0_IO1>;
bias-disable;
};
pinctrl_flx4_default: flx4_default {
pinmux = <PIN_PD12__FLEXCOM4_IO0>,
<PIN_PD13__FLEXCOM4_IO1>;
bias-disable;
};
pinctrl_i2c0_default: i2c0_default {
pinmux = <PIN_PD21__TWD0>,
<PIN_PD22__TWCK0>;
@ -227,6 +285,46 @@
bias-disable;
};
pinctrl_sdmmc0_default: sdmmc0_default {
cmd_data {
pinmux = <PIN_PA1__SDMMC0_CMD>,
<PIN_PA2__SDMMC0_DAT0>,
<PIN_PA3__SDMMC0_DAT1>,
<PIN_PA4__SDMMC0_DAT2>,
<PIN_PA5__SDMMC0_DAT3>,
<PIN_PA6__SDMMC0_DAT4>,
<PIN_PA7__SDMMC0_DAT5>,
<PIN_PA8__SDMMC0_DAT6>,
<PIN_PA9__SDMMC0_DAT7>;
bias-pull-up;
};
ck_cd_rstn_vddsel {
pinmux = <PIN_PA0__SDMMC0_CK>,
<PIN_PA10__SDMMC0_RSTN>,
<PIN_PA11__SDMMC0_VDDSEL>,
<PIN_PA13__SDMMC0_CD>;
bias-disable;
};
};
pinctrl_sdmmc1_default: sdmmc1_default {
cmd_data {
pinmux = <PIN_PA28__SDMMC1_CMD>,
<PIN_PA18__SDMMC1_DAT0>,
<PIN_PA19__SDMMC1_DAT1>,
<PIN_PA20__SDMMC1_DAT2>,
<PIN_PA21__SDMMC1_DAT3>;
bias-pull-up;
};
conf-ck_cd {
pinmux = <PIN_PA22__SDMMC1_CK>,
<PIN_PA30__SDMMC1_CD>;
bias-disable;
};
};
pinctrl_spi0_default: spi0_default {
pinmux = <PIN_PA14__SPI0_SPCK>,
<PIN_PA15__SPI0_MOSI>,

2
arch/arm/boot/dts/at91-sama5d3_xplained.dts
Просмотреть файл

@ -315,7 +315,7 @@
label = "PB_USER";
gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
linux,code = <0x104>;
gpio-key,wakeup;
wakeup-source;
};
};

12
arch/arm/boot/dts/at91-sama5d4_xplained.dts
Просмотреть файл

@ -50,7 +50,6 @@
compatible = "atmel,sama5d4-xplained", "atmel,sama5d4", "atmel,sama5";
chosen {
bootargs = "ignore_loglevel earlyprintk";
stdout-path = "serial0:115200n8";
};
@ -59,15 +58,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <12000000>;
};
slow_xtal {
clock-frequency = <32768>;
};
@ -235,7 +225,7 @@
label = "pb_user1";
gpios = <&pioE 8 GPIO_ACTIVE_HIGH>;
linux,code = <0x100>;
gpio-key,wakeup;
wakeup-source;
};
};

12
arch/arm/boot/dts/at91-sama5d4ek.dts
Просмотреть файл

@ -50,7 +50,6 @@
compatible = "atmel,sama5d4ek", "atmel,sama5d4", "atmel,sama5";
chosen {
bootargs = "ignore_loglevel earlyprintk";
stdout-path = "serial0:115200n8";
};
@ -59,15 +58,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <12000000>;
};
slow_xtal {
clock-frequency = <32768>;
};
@ -304,7 +294,7 @@
label = "pb_user1";
gpios = <&pioE 13 GPIO_ACTIVE_HIGH>;
linux,code = <0x100>;
gpio-key,wakeup;
wakeup-source;
};
};

9
arch/arm/boot/dts/at91rm9200ek.dts
Просмотреть файл

@ -21,15 +21,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <18432000>;
};
slow_xtal {
clock-frequency = <32768>;
};

19
arch/arm/boot/dts/at91sam9261ek.dts
Просмотреть файл

@ -22,15 +22,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <18432000>;
};
slow_xtal {
clock-frequency = <32768>;
};
@ -149,7 +140,7 @@
ti,debounce-tol = /bits/ 16 <65535>;
ti,debounce-max = /bits/ 16 <1>;
linux,wakeup;
wakeup-source;
};
};
@ -193,28 +184,28 @@
label = "button_0";
gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
linux,code = <256>;
gpio-key,wakeup;
wakeup-source;
};
button_1 {
label = "button_1";
gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
linux,code = <257>;
gpio-key,wakeup;
wakeup-source;
};
button_2 {
label = "button_2";
gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
linux,code = <258>;
gpio-key,wakeup;
wakeup-source;
};
button_3 {
label = "button_3";
gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
linux,code = <259>;
gpio-key,wakeup;
wakeup-source;
};
};
};

13
arch/arm/boot/dts/at91sam9263ek.dts
Просмотреть файл

@ -22,15 +22,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <16367660>;
};
slow_xtal {
clock-frequency = <32768>;
};
@ -213,14 +204,14 @@
label = "left_click";
gpios = <&pioC 5 GPIO_ACTIVE_LOW>;
linux,code = <272>;
gpio-key,wakeup;
wakeup-source;
};
right_click {
label = "right_click";
gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
linux,code = <273>;
gpio-key,wakeup;
wakeup-source;
};
};

13
arch/arm/boot/dts/at91sam9g20ek_common.dtsi
Просмотреть файл

@ -19,15 +19,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <18432000>;
};
slow_xtal {
clock-frequency = <32768>;
};
@ -206,14 +197,14 @@
label = "Button 3";
gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
linux,code = <0x103>;
gpio-key,wakeup;
wakeup-source;
};
btn4 {
label = "Button 4";
gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
linux,code = <0x104>;
gpio-key,wakeup;
wakeup-source;
};
};

13
arch/arm/boot/dts/at91sam9m10g45ek.dts
Просмотреть файл

@ -24,15 +24,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <12000000>;
};
slow_xtal {
clock-frequency = <32768>;
};
@ -323,14 +314,14 @@
label = "left_click";
gpios = <&pioB 6 GPIO_ACTIVE_LOW>;
linux,code = <272>;
gpio-key,wakeup;
wakeup-source;
};
right_click {
label = "right_click";
gpios = <&pioB 7 GPIO_ACTIVE_LOW>;
linux,code = <273>;
gpio-key,wakeup;
wakeup-source;
};
left {

11
arch/arm/boot/dts/at91sam9n12ek.dts
Просмотреть файл

@ -23,15 +23,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <16000000>;
};
slow_xtal {
clock-frequency = <32768>;
};
@ -219,7 +210,7 @@
label = "Enter";
gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
linux,code = <28>;
gpio-key,wakeup;
wakeup-source;
};
};

13
arch/arm/boot/dts/at91sam9rlek.dts
Просмотреть файл

@ -22,15 +22,6 @@
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <12000000>;
};
slow_xtal {
clock-frequency = <32768>;
};
@ -225,14 +216,14 @@
label = "right_click";
gpios = <&pioB 0 GPIO_ACTIVE_LOW>;
linux,code = <273>;
gpio-key,wakeup;
wakeup-source;
};
left_click {
label = "left_click";
gpios = <&pioB 1 GPIO_ACTIVE_LOW>;
linux,code = <272>;
gpio-key,wakeup;
wakeup-source;
};
};

11
arch/arm/boot/dts/at91sam9x5cm.dtsi
Просмотреть файл

@ -12,17 +12,6 @@
reg = <0x20000000 0x8000000>;
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <12000000>;
};
};
clocks {
slow_xtal {
clock-frequency = <32768>;

8
arch/arm/boot/dts/berlin2q.dtsi
Просмотреть файл

@ -118,7 +118,8 @@
sdhci0: sdhci@ab0000 {
compatible = "mrvl,pxav3-mmc";
reg = <0xab0000 0x200>;
clocks = <&chip_clk CLKID_SDIO1XIN>;
clocks = <&chip_clk CLKID_SDIO1XIN>, <&chip_clk CLKID_SDIO>;
clock-names = "io", "core";
interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@ -126,7 +127,8 @@
sdhci1: sdhci@ab0800 {
compatible = "mrvl,pxav3-mmc";
reg = <0xab0800 0x200>;
clocks = <&chip_clk CLKID_SDIO1XIN>;
clocks = <&chip_clk CLKID_SDIO1XIN>, <&chip_clk CLKID_SDIO>;
clock-names = "io", "core";
interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@ -135,7 +137,7 @@
compatible = "mrvl,pxav3-mmc";
reg = <0xab1000 0x200>;
interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&chip_clk CLKID_NFC_ECC>, <&chip_clk CLKID_NFC>;
clocks = <&chip_clk CLKID_NFC_ECC>, <&chip_clk CLKID_SDIO>;
clock-names = "io", "core";
status = "disabled";
};

8
arch/arm/boot/dts/dm816x.dtsi
Просмотреть файл

@ -218,6 +218,7 @@
reg = <0x480c8000 0x2000>;
interrupts = <77>;
ti,hwmods = "mailbox";
#mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <12>;
mbox_dsp: mbox_dsp {
@ -279,8 +280,11 @@
ti,spi-num-cs = <4>;
ti,hwmods = "mcspi1";
dmas = <&edma 16 &edma 17
&edma 18 &edma 19>;
dma-names = "tx0", "rx0", "tx1", "rx1";
&edma 18 &edma 19
&edma 20 &edma 21
&edma 22 &edma 23>;
dma-names = "tx0", "rx0", "tx1", "rx1",
"tx2", "rx2", "tx3", "rx3";
};
mmc1: mmc@48060000 {

4
arch/arm/boot/dts/dra7.dtsi
Просмотреть файл

@ -1459,8 +1459,8 @@
interrupt-names = "tx", "rx";
dmas = <&sdma_xbar 133>, <&sdma_xbar 132>;
dma-names = "tx", "rx";
clocks = <&mcasp3_ahclkx_mux>;
clock-names = "fck";
clocks = <&mcasp3_aux_gfclk_mux>, <&mcasp3_ahclkx_mux>;
clock-names = "fck", "ahclkx";
status = "disabled";
};

2
arch/arm/boot/dts/k2l-netcp.dtsi
Просмотреть файл

@ -137,7 +137,7 @@ netcp: netcp@26000000 {
/* NetCP address range */
ranges = <0 0x26000000 0x1000000>;
clocks = <&papllclk>, <&clkcpgmac>, <&chipclk12>;
clocks = <&clkosr>, <&papllclk>, <&clkcpgmac>, <&chipclk12>;
dma-coherent;
ti,navigator-dmas = <&dma_gbe 0>,

2
arch/arm/boot/dts/kirkwood-ts219.dtsi
Просмотреть файл

@ -40,7 +40,7 @@
};
poweroff@12100 {
compatible = "qnap,power-off";
reg = <0x12000 0x100>;
reg = <0x12100 0x100>;
clocks = <&gate_clk 7>;
};
spi@10600 {

4
arch/arm/boot/dts/rk3288-veyron-minnie.dts
Просмотреть файл

@ -86,6 +86,10 @@
};
};
&emmc {
/delete-property/mmc-hs200-1_8v;
};
&gpio_keys {
pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>;

10
arch/arm/boot/dts/rk3288.dtsi
Просмотреть файл

@ -452,8 +452,10 @@
clock-names = "tsadc", "apb_pclk";
resets = <&cru SRST_TSADC>;
reset-names = "tsadc-apb";
pinctrl-names = "default";
pinctrl-0 = <&otp_out>;
pinctrl-names = "init", "default", "sleep";
pinctrl-0 = <&otp_gpio>;
pinctrl-1 = <&otp_out>;
pinctrl-2 = <&otp_gpio>;
#thermal-sensor-cells = <1>;
rockchip,hw-tshut-temp = <95000>;
status = "disabled";
@ -1395,6 +1397,10 @@
};
tsadc {
otp_gpio: otp-gpio {
rockchip,pins = <0 10 RK_FUNC_GPIO &pcfg_pull_none>;
};
otp_out: otp-out {
rockchip,pins = <0 10 RK_FUNC_1 &pcfg_pull_none>;
};

2
arch/arm/boot/dts/sama5d35ek.dts
Просмотреть файл

@ -49,7 +49,7 @@
label = "pb_user1";
gpios = <&pioE 27 GPIO_ACTIVE_HIGH>;
linux,code = <0x100>;
gpio-key,wakeup;
wakeup-source;
};
};
};

2
arch/arm/boot/dts/sama5d4.dtsi
Просмотреть файл

@ -1300,7 +1300,7 @@
};
watchdog@fc068640 {
compatible = "atmel,at91sam9260-wdt";
compatible = "atmel,sama5d4-wdt";
reg = <0xfc068640 0x10>;
clocks = <&clk32k>;
status = "disabled";

2
arch/arm/boot/dts/usb_a9260_common.dtsi
Просмотреть файл

@ -115,7 +115,7 @@
label = "user_pb";
gpios = <&pioB 10 GPIO_ACTIVE_LOW>;
linux,code = <28>;
gpio-key,wakeup;
wakeup-source;
};
};

2
arch/arm/boot/dts/usb_a9263.dts
Просмотреть файл

@ -143,7 +143,7 @@
label = "user_pb";
gpios = <&pioB 10 GPIO_ACTIVE_LOW>;
linux,code = <28>;
gpio-key,wakeup;
wakeup-source;
};
};

5
arch/arm/boot/dts/vf610-colibri.dtsi
Просмотреть файл

@ -18,8 +18,3 @@
reg = <0x80000000 0x10000000>;
};
};
&L2 {
arm,data-latency = <2 1 2>;
arm,tag-latency = <3 2 3>;
};

2
arch/arm/boot/dts/vf610.dtsi
Просмотреть файл

@ -19,7 +19,7 @@
reg = <0x40006000 0x1000>;
cache-unified;
cache-level = <2>;
arm,data-latency = <1 1 1>;
arm,data-latency = <3 3 3>;
arm,tag-latency = <2 2 2>;
};
};

14
arch/arm/boot/dts/vfxxx.dtsi
Просмотреть файл

@ -158,7 +158,7 @@
interrupts = <67 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks VF610_CLK_DSPI0>;
clock-names = "dspi";
spi-num-chipselects = <5>;
spi-num-chipselects = <6>;
status = "disabled";
};
@ -170,7 +170,7 @@
interrupts = <68 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks VF610_CLK_DSPI1>;
clock-names = "dspi";
spi-num-chipselects = <5>;
spi-num-chipselects = <4>;
status = "disabled";
};
@ -178,8 +178,10 @@
compatible = "fsl,vf610-sai";
reg = <0x40031000 0x1000>;
interrupts = <86 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks VF610_CLK_SAI2>;
clock-names = "sai";
clocks = <&clks VF610_CLK_SAI2>,
<&clks VF610_CLK_SAI2_DIV>,
<&clks 0>, <&clks 0>;
clock-names = "bus", "mclk1", "mclk2", "mclk3";
dma-names = "tx", "rx";
dmas = <&edma0 0 21>,
<&edma0 0 20>;
@ -461,6 +463,8 @@
clock-names = "adc";
#io-channel-cells = <1>;
status = "disabled";
fsl,adck-max-frequency = <30000000>, <40000000>,
<20000000>;
};
esdhc0: esdhc@400b1000 {
@ -472,8 +476,6 @@
<&clks VF610_CLK_ESDHC0>;
clock-names = "ipg", "ahb", "per";
status = "disabled";
fsl,adck-max-frequency = <30000000>, <40000000>,
<20000000>;
};
esdhc1: esdhc@400b2000 {

1
arch/arm/configs/at91_dt_defconfig
Просмотреть файл

@ -125,7 +125,6 @@ CONFIG_POWER_RESET=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_AT91SAM9X_WATCHDOG=y
CONFIG_SSB=m
CONFIG_MFD_ATMEL_HLCDC=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y

1
arch/arm/configs/sama5_defconfig
Просмотреть файл

@ -129,7 +129,6 @@ CONFIG_GPIO_SYSFS=y
CONFIG_POWER_SUPPLY=y
CONFIG_POWER_RESET=y
# CONFIG_HWMON is not set
CONFIG_SSB=m
CONFIG_MFD_ATMEL_FLEXCOM=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y

1
arch/arm/include/asm/arch_gicv3.h
Просмотреть файл

@ -21,6 +21,7 @@
#ifndef __ASSEMBLY__
#include <linux/io.h>
#include <asm/barrier.h>
#define __ACCESS_CP15(CRn, Op1, CRm, Op2) p15, Op1, %0, CRn, CRm, Op2
#define __ACCESS_CP15_64(Op1, CRm) p15, Op1, %Q0, %R0, CRm

5
arch/arm/include/asm/irq.h
Просмотреть файл

@ -40,6 +40,11 @@ extern void arch_trigger_all_cpu_backtrace(bool);
#define arch_trigger_all_cpu_backtrace(x) arch_trigger_all_cpu_backtrace(x)
#endif
static inline int nr_legacy_irqs(void)
{
return NR_IRQS_LEGACY;
}
#endif
#endif

34
arch/arm/include/asm/kvm_arm.h
Просмотреть файл

@ -19,6 +19,7 @@
#ifndef __ARM_KVM_ARM_H__
#define __ARM_KVM_ARM_H__
#include <linux/const.h>
#include <linux/types.h>
/* Hyp Configuration Register (HCR) bits */
@ -132,10 +133,9 @@
* space.
*/
#define KVM_PHYS_SHIFT (40)
#define KVM_PHYS_SIZE (1ULL << KVM_PHYS_SHIFT)
#define KVM_PHYS_MASK (KVM_PHYS_SIZE - 1ULL)
#define PTRS_PER_S2_PGD (1ULL << (KVM_PHYS_SHIFT - 30))
#define S2_PGD_ORDER get_order(PTRS_PER_S2_PGD * sizeof(pgd_t))
#define KVM_PHYS_SIZE (_AC(1, ULL) << KVM_PHYS_SHIFT)
#define KVM_PHYS_MASK (KVM_PHYS_SIZE - _AC(1, ULL))
#define PTRS_PER_S2_PGD (_AC(1, ULL) << (KVM_PHYS_SHIFT - 30))
/* Virtualization Translation Control Register (VTCR) bits */
#define VTCR_SH0 (3 << 12)
@ -162,17 +162,17 @@
#define VTTBR_X (5 - KVM_T0SZ)
#endif
#define VTTBR_BADDR_SHIFT (VTTBR_X - 1)
#define VTTBR_BADDR_MASK (((1LLU << (40 - VTTBR_X)) - 1) << VTTBR_BADDR_SHIFT)
#define VTTBR_VMID_SHIFT (48LLU)
#define VTTBR_VMID_MASK (0xffLLU << VTTBR_VMID_SHIFT)
#define VTTBR_BADDR_MASK (((_AC(1, ULL) << (40 - VTTBR_X)) - 1) << VTTBR_BADDR_SHIFT)
#define VTTBR_VMID_SHIFT _AC(48, ULL)
#define VTTBR_VMID_MASK(size) (_AT(u64, (1 << size) - 1) << VTTBR_VMID_SHIFT)
/* Hyp Syndrome Register (HSR) bits */
#define HSR_EC_SHIFT (26)
#define HSR_EC (0x3fU << HSR_EC_SHIFT)
#define HSR_IL (1U << 25)
#define HSR_EC (_AC(0x3f, UL) << HSR_EC_SHIFT)
#define HSR_IL (_AC(1, UL) << 25)
#define HSR_ISS (HSR_IL - 1)
#define HSR_ISV_SHIFT (24)
#define HSR_ISV (1U << HSR_ISV_SHIFT)
#define HSR_ISV (_AC(1, UL) << HSR_ISV_SHIFT)
#define HSR_SRT_SHIFT (16)
#define HSR_SRT_MASK (0xf << HSR_SRT_SHIFT)
#define HSR_FSC (0x3f)
@ -180,9 +180,9 @@
#define HSR_SSE (1 << 21)
#define HSR_WNR (1 << 6)
#define HSR_CV_SHIFT (24)
#define HSR_CV (1U << HSR_CV_SHIFT)
#define HSR_CV (_AC(1, UL) << HSR_CV_SHIFT)
#define HSR_COND_SHIFT (20)
#define HSR_COND (0xfU << HSR_COND_SHIFT)
#define HSR_COND (_AC(0xf, UL) << HSR_COND_SHIFT)
#define FSC_FAULT (0x04)
#define FSC_ACCESS (0x08)
@ -210,13 +210,13 @@
#define HSR_EC_DABT (0x24)
#define HSR_EC_DABT_HYP (0x25)
#define HSR_WFI_IS_WFE (1U << 0)
#define HSR_WFI_IS_WFE (_AC(1, UL) << 0)
#define HSR_HVC_IMM_MASK ((1UL << 16) - 1)
#define HSR_HVC_IMM_MASK ((_AC(1, UL) << 16) - 1)
#define HSR_DABT_S1PTW (1U << 7)
#define HSR_DABT_CM (1U << 8)
#define HSR_DABT_EA (1U << 9)
#define HSR_DABT_S1PTW (_AC(1, UL) << 7)
#define HSR_DABT_CM (_AC(1, UL) << 8)
#define HSR_DABT_EA (_AC(1, UL) << 9)
#define kvm_arm_exception_type \
{0, "RESET" }, \

12
arch/arm/include/asm/kvm_emulate.h
Просмотреть файл

@ -28,6 +28,18 @@
unsigned long *vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num);
unsigned long *vcpu_spsr(struct kvm_vcpu *vcpu);
static inline unsigned long vcpu_get_reg(struct kvm_vcpu *vcpu,
u8 reg_num)
{
return *vcpu_reg(vcpu, reg_num);
}
static inline void vcpu_set_reg(struct kvm_vcpu *vcpu, u8 reg_num,
unsigned long val)
{
*vcpu_reg(vcpu, reg_num) = val;
}
bool kvm_condition_valid(struct kvm_vcpu *vcpu);
void kvm_skip_instr(struct kvm_vcpu *vcpu, bool is_wide_instr);
void kvm_inject_undefined(struct kvm_vcpu *vcpu);

6
arch/arm/include/asm/kvm_host.h
Просмотреть файл

@ -150,6 +150,12 @@ struct kvm_vcpu_stat {
u32 halt_successful_poll;
u32 halt_attempted_poll;
u32 halt_wakeup;
u32 hvc_exit_stat;
u64 wfe_exit_stat;
u64 wfi_exit_stat;
u64 mmio_exit_user;
u64 mmio_exit_kernel;
u64 exits;
};
int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init);

5
arch/arm/include/asm/kvm_mmu.h
Просмотреть файл

@ -279,6 +279,11 @@ static inline void __kvm_extend_hypmap(pgd_t *boot_hyp_pgd,
pgd_t *merged_hyp_pgd,
unsigned long hyp_idmap_start) { }
static inline unsigned int kvm_get_vmid_bits(void)
{
return 8;
}
#endif /* !__ASSEMBLY__ */
#endif /* __ARM_KVM_MMU_H__ */

1
arch/arm/include/uapi/asm/unistd.h
Просмотреть файл

@ -416,6 +416,7 @@
#define __NR_execveat (__NR_SYSCALL_BASE+387)
#define __NR_userfaultfd (__NR_SYSCALL_BASE+388)
#define __NR_membarrier (__NR_SYSCALL_BASE+389)
#define __NR_mlock2 (__NR_SYSCALL_BASE+390)
/*
* The following SWIs are ARM private.

19
arch/arm/kernel/bios32.c
Просмотреть файл

@ -17,11 +17,6 @@
#include <asm/mach/pci.h>
static int debug_pci;
static resource_size_t (*align_resource)(struct pci_dev *dev,
const struct resource *res,
resource_size_t start,
resource_size_t size,
resource_size_t align) = NULL;
/*
* We can't use pci_get_device() here since we are
@ -461,7 +456,6 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw,
sys->busnr = busnr;
sys->swizzle = hw->swizzle;
sys->map_irq = hw->map_irq;
align_resource = hw->align_resource;
INIT_LIST_HEAD(&sys->resources);
if (hw->private_data)
@ -470,6 +464,8 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw,
ret = hw->setup(nr, sys);
if (ret > 0) {
struct pci_host_bridge *host_bridge;
ret = pcibios_init_resources(nr, sys);
if (ret) {
kfree(sys);
@ -491,6 +487,9 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw,
busnr = sys->bus->busn_res.end + 1;
list_add(&sys->node, head);
host_bridge = pci_find_host_bridge(sys->bus);
host_bridge->align_resource = hw->align_resource;
} else {
kfree(sys);
if (ret < 0)
@ -578,14 +577,18 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
{
struct pci_dev *dev = data;
resource_size_t start = res->start;
struct pci_host_bridge *host_bridge;
if (res->flags & IORESOURCE_IO && start & 0x300)
start = (start + 0x3ff) & ~0x3ff;
start = (start + align - 1) & ~(align - 1);
if (align_resource)
return align_resource(dev, res, start, size, align);
host_bridge = pci_find_host_bridge(dev->bus);
if (host_bridge->align_resource)
return host_bridge->align_resource(dev, res,
start, size, align);
return start;
}

1
arch/arm/kernel/calls.S
Просмотреть файл

@ -399,6 +399,7 @@
CALL(sys_execveat)
CALL(sys_userfaultfd)
CALL(sys_membarrier)
CALL(sys_mlock2)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted

40
arch/arm/kvm/arm.c
Просмотреть файл

@ -44,6 +44,7 @@
#include <asm/kvm_emulate.h>
#include <asm/kvm_coproc.h>
#include <asm/kvm_psci.h>
#include <asm/sections.h>
#ifdef REQUIRES_VIRT
__asm__(".arch_extension virt");
@ -58,9 +59,12 @@ static DEFINE_PER_CPU(struct kvm_vcpu *, kvm_arm_running_vcpu);
/* The VMID used in the VTTBR */
static atomic64_t kvm_vmid_gen = ATOMIC64_INIT(1);
static u8 kvm_next_vmid;
static u32 kvm_next_vmid;
static unsigned int kvm_vmid_bits __read_mostly;
static DEFINE_SPINLOCK(kvm_vmid_lock);
static bool vgic_present;
static void kvm_arm_set_running_vcpu(struct kvm_vcpu *vcpu)
{
BUG_ON(preemptible());
@ -132,7 +136,8 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
kvm->arch.vmid_gen = 0;
/* The maximum number of VCPUs is limited by the host's GIC model */
kvm->arch.max_vcpus = kvm_vgic_get_max_vcpus();
kvm->arch.max_vcpus = vgic_present ?
kvm_vgic_get_max_vcpus() : KVM_MAX_VCPUS;
return ret;
out_free_stage2_pgd:
@ -172,6 +177,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
int r;
switch (ext) {
case KVM_CAP_IRQCHIP:
r = vgic_present;
break;
case KVM_CAP_IOEVENTFD:
case KVM_CAP_DEVICE_CTRL:
case KVM_CAP_USER_MEMORY:
@ -433,11 +440,12 @@ static void update_vttbr(struct kvm *kvm)
kvm->arch.vmid_gen = atomic64_read(&kvm_vmid_gen);
kvm->arch.vmid = kvm_next_vmid;
kvm_next_vmid++;
kvm_next_vmid &= (1 << kvm_vmid_bits) - 1;
/* update vttbr to be used with the new vmid */
pgd_phys = virt_to_phys(kvm_get_hwpgd(kvm));
BUG_ON(pgd_phys & ~VTTBR_BADDR_MASK);
vmid = ((u64)(kvm->arch.vmid) << VTTBR_VMID_SHIFT) & VTTBR_VMID_MASK;
vmid = ((u64)(kvm->arch.vmid) << VTTBR_VMID_SHIFT) & VTTBR_VMID_MASK(kvm_vmid_bits);
kvm->arch.vttbr = pgd_phys | vmid;
spin_unlock(&kvm_vmid_lock);
@ -603,6 +611,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
ret = kvm_call_hyp(__kvm_vcpu_run, vcpu);
vcpu->mode = OUTSIDE_GUEST_MODE;
vcpu->stat.exits++;
/*
* Back from guest
*************************************************************/
@ -913,6 +922,8 @@ static int kvm_vm_ioctl_set_device_addr(struct kvm *kvm,
switch (dev_id) {
case KVM_ARM_DEVICE_VGIC_V2:
if (!vgic_present)
return -ENXIO;
return kvm_vgic_addr(kvm, type, &dev_addr->addr, true);
default:
return -ENODEV;
@ -927,6 +938,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
switch (ioctl) {
case KVM_CREATE_IRQCHIP: {
if (!vgic_present)
return -ENXIO;
return kvm_vgic_create(kvm, KVM_DEV_TYPE_ARM_VGIC_V2);
}
case KVM_ARM_SET_DEVICE_ADDR: {
@ -1067,6 +1080,12 @@ static int init_hyp_mode(void)
goto out_free_mappings;
}
err = create_hyp_mappings(__start_rodata, __end_rodata);
if (err) {
kvm_err("Cannot map rodata section\n");
goto out_free_mappings;
}
/*
* Map the Hyp stack pages
*/
@ -1111,8 +1130,17 @@ static int init_hyp_mode(void)
* Init HYP view of VGIC
*/
err = kvm_vgic_hyp_init();
if (err)
switch (err) {
case 0:
vgic_present = true;
break;
case -ENODEV:
case -ENXIO:
vgic_present = false;
break;
default:
goto out_free_context;
}
/*
* Init HYP architected timer support
@ -1127,6 +1155,10 @@ static int init_hyp_mode(void)
kvm_perf_init();
/* set size of VMID supported by CPU */
kvm_vmid_bits = kvm_get_vmid_bits();
kvm_info("%d-bit VMID\n", kvm_vmid_bits);
kvm_info("Hyp mode initialized successfully\n");
return 0;

74
arch/arm/kvm/emulate.c
Просмотреть файл

@ -275,6 +275,40 @@ static u32 exc_vector_base(struct kvm_vcpu *vcpu)
return vbar;
}
/*
* Switch to an exception mode, updating both CPSR and SPSR. Follow
* the logic described in AArch32.EnterMode() from the ARMv8 ARM.
*/
static void kvm_update_psr(struct kvm_vcpu *vcpu, unsigned long mode)
{
unsigned long cpsr = *vcpu_cpsr(vcpu);
u32 sctlr = vcpu->arch.cp15[c1_SCTLR];
*vcpu_cpsr(vcpu) = (cpsr & ~MODE_MASK) | mode;
switch (mode) {
case FIQ_MODE:
*vcpu_cpsr(vcpu) |= PSR_F_BIT;
/* Fall through */
case ABT_MODE:
case IRQ_MODE:
*vcpu_cpsr(vcpu) |= PSR_A_BIT;
/* Fall through */
default:
*vcpu_cpsr(vcpu) |= PSR_I_BIT;
}
*vcpu_cpsr(vcpu) &= ~(PSR_IT_MASK | PSR_J_BIT | PSR_E_BIT | PSR_T_BIT);
if (sctlr & SCTLR_TE)
*vcpu_cpsr(vcpu) |= PSR_T_BIT;
if (sctlr & SCTLR_EE)
*vcpu_cpsr(vcpu) |= PSR_E_BIT;
/* Note: These now point to the mode banked copies */
*vcpu_spsr(vcpu) = cpsr;
}
/**
* kvm_inject_undefined - inject an undefined exception into the guest
* @vcpu: The VCPU to receive the undefined exception
@ -286,29 +320,13 @@ static u32 exc_vector_base(struct kvm_vcpu *vcpu)
*/
void kvm_inject_undefined(struct kvm_vcpu *vcpu)
{
unsigned long new_lr_value;
unsigned long new_spsr_value;
unsigned long cpsr = *vcpu_cpsr(vcpu);
u32 sctlr = vcpu->arch.cp15[c1_SCTLR];
bool is_thumb = (cpsr & PSR_T_BIT);
u32 vect_offset = 4;
u32 return_offset = (is_thumb) ? 2 : 4;
new_spsr_value = cpsr;
new_lr_value = *vcpu_pc(vcpu) - return_offset;
*vcpu_cpsr(vcpu) = (cpsr & ~MODE_MASK) | UND_MODE;
*vcpu_cpsr(vcpu) |= PSR_I_BIT;
*vcpu_cpsr(vcpu) &= ~(PSR_IT_MASK | PSR_J_BIT | PSR_E_BIT | PSR_T_BIT);
if (sctlr & SCTLR_TE)
*vcpu_cpsr(vcpu) |= PSR_T_BIT;
if (sctlr & SCTLR_EE)
*vcpu_cpsr(vcpu) |= PSR_E_BIT;
/* Note: These now point to UND banked copies */
*vcpu_spsr(vcpu) = cpsr;
*vcpu_reg(vcpu, 14) = new_lr_value;
kvm_update_psr(vcpu, UND_MODE);
*vcpu_reg(vcpu, 14) = *vcpu_pc(vcpu) - return_offset;
/* Branch to exception vector */
*vcpu_pc(vcpu) = exc_vector_base(vcpu) + vect_offset;
@ -320,30 +338,14 @@ void kvm_inject_undefined(struct kvm_vcpu *vcpu)
*/
static void inject_abt(struct kvm_vcpu *vcpu, bool is_pabt, unsigned long addr)
{
unsigned long new_lr_value;
unsigned long new_spsr_value;
unsigned long cpsr = *vcpu_cpsr(vcpu);
u32 sctlr = vcpu->arch.cp15[c1_SCTLR];
bool is_thumb = (cpsr & PSR_T_BIT);
u32 vect_offset;
u32 return_offset = (is_thumb) ? 4 : 0;
bool is_lpae;
new_spsr_value = cpsr;
new_lr_value = *vcpu_pc(vcpu) + return_offset;
*vcpu_cpsr(vcpu) = (cpsr & ~MODE_MASK) | ABT_MODE;
*vcpu_cpsr(vcpu) |= PSR_I_BIT | PSR_A_BIT;
*vcpu_cpsr(vcpu) &= ~(PSR_IT_MASK | PSR_J_BIT | PSR_E_BIT | PSR_T_BIT);
if (sctlr & SCTLR_TE)
*vcpu_cpsr(vcpu) |= PSR_T_BIT;
if (sctlr & SCTLR_EE)
*vcpu_cpsr(vcpu) |= PSR_E_BIT;
/* Note: These now point to ABT banked copies */
*vcpu_spsr(vcpu) = cpsr;
*vcpu_reg(vcpu, 14) = new_lr_value;
kvm_update_psr(vcpu, ABT_MODE);
*vcpu_reg(vcpu, 14) = *vcpu_pc(vcpu) + return_offset;
if (is_pabt)
vect_offset = 12;

6
arch/arm/kvm/guest.c
Просмотреть файл

@ -33,6 +33,12 @@
#define VCPU_STAT(x) { #x, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU }
struct kvm_stats_debugfs_item debugfs_entries[] = {
VCPU_STAT(hvc_exit_stat),
VCPU_STAT(wfe_exit_stat),
VCPU_STAT(wfi_exit_stat),
VCPU_STAT(mmio_exit_user),
VCPU_STAT(mmio_exit_kernel),
VCPU_STAT(exits),
{ NULL }
};

3
arch/arm/kvm/handle_exit.c
Просмотреть файл

@ -42,6 +42,7 @@ static int handle_hvc(struct kvm_vcpu *vcpu, struct kvm_run *run)
trace_kvm_hvc(*vcpu_pc(vcpu), *vcpu_reg(vcpu, 0),
kvm_vcpu_hvc_get_imm(vcpu));
vcpu->stat.hvc_exit_stat++;
ret = kvm_psci_call(vcpu);
if (ret < 0) {
@ -89,9 +90,11 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
if (kvm_vcpu_get_hsr(vcpu) & HSR_WFI_IS_WFE) {
trace_kvm_wfx(*vcpu_pc(vcpu), true);
vcpu->stat.wfe_exit_stat++;
kvm_vcpu_on_spin(vcpu);
} else {
trace_kvm_wfx(*vcpu_pc(vcpu), false);
vcpu->stat.wfi_exit_stat++;
kvm_vcpu_block(vcpu);
}

8
arch/arm/kvm/mmio.c
Просмотреть файл

@ -115,7 +115,7 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run)
trace_kvm_mmio(KVM_TRACE_MMIO_READ, len, run->mmio.phys_addr,
data);
data = vcpu_data_host_to_guest(vcpu, data, len);
*vcpu_reg(vcpu, vcpu->arch.mmio_decode.rt) = data;
vcpu_set_reg(vcpu, vcpu->arch.mmio_decode.rt, data);
}
return 0;
@ -186,7 +186,8 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
rt = vcpu->arch.mmio_decode.rt;
if (is_write) {
data = vcpu_data_guest_to_host(vcpu, *vcpu_reg(vcpu, rt), len);
data = vcpu_data_guest_to_host(vcpu, vcpu_get_reg(vcpu, rt),
len);
trace_kvm_mmio(KVM_TRACE_MMIO_WRITE, len, fault_ipa, data);
mmio_write_buf(data_buf, len, data);
@ -209,8 +210,11 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
if (!ret) {
/* We handled the access successfully in the kernel. */
vcpu->stat.mmio_exit_kernel++;
kvm_handle_mmio_return(vcpu, run);
return 1;
} else {
vcpu->stat.mmio_exit_user++;
}
run->exit_reason = KVM_EXIT_MMIO;

10
arch/arm/kvm/mmu.c
Просмотреть файл

@ -218,7 +218,7 @@ static void unmap_ptes(struct kvm *kvm, pmd_t *pmd,
kvm_tlb_flush_vmid_ipa(kvm, addr);
/* No need to invalidate the cache for device mappings */
if (!kvm_is_device_pfn(__phys_to_pfn(addr)))
if (!kvm_is_device_pfn(pte_pfn(old_pte)))
kvm_flush_dcache_pte(old_pte);
put_page(virt_to_page(pte));
@ -310,7 +310,7 @@ static void stage2_flush_ptes(struct kvm *kvm, pmd_t *pmd,
pte = pte_offset_kernel(pmd, addr);
do {
if (!pte_none(*pte) && !kvm_is_device_pfn(__phys_to_pfn(addr)))
if (!pte_none(*pte) && !kvm_is_device_pfn(pte_pfn(*pte)))
kvm_flush_dcache_pte(*pte);
} while (pte++, addr += PAGE_SIZE, addr != end);
}
@ -656,9 +656,9 @@ static void *kvm_alloc_hwpgd(void)
* kvm_alloc_stage2_pgd - allocate level-1 table for stage-2 translation.
* @kvm: The KVM struct pointer for the VM.
*
* Allocates the 1st level table only of size defined by S2_PGD_ORDER (can
* support either full 40-bit input addresses or limited to 32-bit input
* addresses). Clears the allocated pages.
* Allocates only the stage-2 HW PGD level table(s) (can support either full
* 40-bit input addresses or limited to 32-bit input addresses). Clears the
* allocated pages.
*
* Note we don't need locking here as this is only called when the VM is
* created, which can only be done once.

20
arch/arm/kvm/psci.c
Просмотреть файл

@ -75,7 +75,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
unsigned long context_id;
phys_addr_t target_pc;
cpu_id = *vcpu_reg(source_vcpu, 1) & MPIDR_HWID_BITMASK;
cpu_id = vcpu_get_reg(source_vcpu, 1) & MPIDR_HWID_BITMASK;
if (vcpu_mode_is_32bit(source_vcpu))
cpu_id &= ~((u32) 0);
@ -94,8 +94,8 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
return PSCI_RET_INVALID_PARAMS;
}
target_pc = *vcpu_reg(source_vcpu, 2);
context_id = *vcpu_reg(source_vcpu, 3);
target_pc = vcpu_get_reg(source_vcpu, 2);
context_id = vcpu_get_reg(source_vcpu, 3);
kvm_reset_vcpu(vcpu);
@ -114,7 +114,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
* NOTE: We always update r0 (or x0) because for PSCI v0.1
* the general puspose registers are undefined upon CPU_ON.
*/
*vcpu_reg(vcpu, 0) = context_id;
vcpu_set_reg(vcpu, 0, context_id);
vcpu->arch.power_off = false;
smp_mb(); /* Make sure the above is visible */
@ -134,8 +134,8 @@ static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu)
struct kvm *kvm = vcpu->kvm;
struct kvm_vcpu *tmp;
target_affinity = *vcpu_reg(vcpu, 1);
lowest_affinity_level = *vcpu_reg(vcpu, 2);
target_affinity = vcpu_get_reg(vcpu, 1);
lowest_affinity_level = vcpu_get_reg(vcpu, 2);
/* Determine target affinity mask */
target_affinity_mask = psci_affinity_mask(lowest_affinity_level);
@ -209,7 +209,7 @@ int kvm_psci_version(struct kvm_vcpu *vcpu)
static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu)
{
int ret = 1;
unsigned long psci_fn = *vcpu_reg(vcpu, 0) & ~((u32) 0);
unsigned long psci_fn = vcpu_get_reg(vcpu, 0) & ~((u32) 0);
unsigned long val;
switch (psci_fn) {
@ -273,13 +273,13 @@ static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu)
break;
}
*vcpu_reg(vcpu, 0) = val;
vcpu_set_reg(vcpu, 0, val);
return ret;
}
static int kvm_psci_0_1_call(struct kvm_vcpu *vcpu)
{
unsigned long psci_fn = *vcpu_reg(vcpu, 0) & ~((u32) 0);
unsigned long psci_fn = vcpu_get_reg(vcpu, 0) & ~((u32) 0);
unsigned long val;
switch (psci_fn) {
@ -295,7 +295,7 @@ static int kvm_psci_0_1_call(struct kvm_vcpu *vcpu)
break;
}
*vcpu_reg(vcpu, 0) = val;
vcpu_set_reg(vcpu, 0, val);
return 1;
}

6
arch/arm/mach-at91/Kconfig
Просмотреть файл

@ -4,7 +4,6 @@ menuconfig ARCH_AT91
select ARCH_REQUIRE_GPIOLIB
select COMMON_CLK_AT91
select PINCTRL
select PINCTRL_AT91
select SOC_BUS
if ARCH_AT91
@ -17,6 +16,7 @@ config SOC_SAMA5D2
select HAVE_AT91_USB_CLK
select HAVE_AT91_H32MX
select HAVE_AT91_GENERATED_CLK
select PINCTRL_AT91PIO4
help
Select this if ou are using one of Atmel's SAMA5D2 family SoC.
@ -27,6 +27,7 @@ config SOC_SAMA5D3
select HAVE_AT91_UTMI
select HAVE_AT91_SMD
select HAVE_AT91_USB_CLK
select PINCTRL_AT91
help
Select this if you are using one of Atmel's SAMA5D3 family SoC.
This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
@ -40,6 +41,7 @@ config SOC_SAMA5D4
select HAVE_AT91_SMD
select HAVE_AT91_USB_CLK
select HAVE_AT91_H32MX
select PINCTRL_AT91
help
Select this if you are using one of Atmel's SAMA5D4 family SoC.
@ -50,6 +52,7 @@ config SOC_AT91RM9200
select CPU_ARM920T
select HAVE_AT91_USB_CLK
select MIGHT_HAVE_PCI
select PINCTRL_AT91
select SOC_SAM_V4_V5
select SRAM if PM
help
@ -65,6 +68,7 @@ config SOC_AT91SAM9
select HAVE_AT91_UTMI
select HAVE_FB_ATMEL
select MEMORY
select PINCTRL_AT91
select SOC_SAM_V4_V5
select SRAM if PM
help

7
arch/arm/mach-at91/pm.c
Просмотреть файл

@ -41,8 +41,10 @@
* implementation should be moved down into the pinctrl driver and get
* called as part of the generic suspend/resume path.
*/
#ifdef CONFIG_PINCTRL_AT91
extern void at91_pinctrl_gpio_suspend(void);
extern void at91_pinctrl_gpio_resume(void);
#endif
static struct {
unsigned long uhp_udp_mask;
@ -151,8 +153,9 @@ static void at91_pm_suspend(suspend_state_t state)
static int at91_pm_enter(suspend_state_t state)
{
#ifdef CONFIG_PINCTRL_AT91
at91_pinctrl_gpio_suspend();
#endif
switch (state) {
/*
* Suspend-to-RAM is like STANDBY plus slow clock mode, so
@ -192,7 +195,9 @@ static int at91_pm_enter(suspend_state_t state)
error:
target_state = PM_SUSPEND_ON;
#ifdef CONFIG_PINCTRL_AT91
at91_pinctrl_gpio_resume();
#endif
return 0;
}

4
arch/arm/mach-dove/include/mach/entry-macro.S
Просмотреть файл

@ -18,13 +18,13 @@
@ check low interrupts
ldr \irqstat, [\base, #IRQ_CAUSE_LOW_OFF]
ldr \tmp, [\base, #IRQ_MASK_LOW_OFF]
mov \irqnr, #31
mov \irqnr, #32
ands \irqstat, \irqstat, \tmp
@ if no low interrupts set, check high interrupts
ldreq \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF]
ldreq \tmp, [\base, #IRQ_MASK_HIGH_OFF]
moveq \irqnr, #63
moveq \irqnr, #64
andeqs \irqstat, \irqstat, \tmp
@ find first active interrupt source

6
arch/arm/mach-exynos/pmu.c
Просмотреть файл

@ -748,8 +748,12 @@ static void exynos5_powerdown_conf(enum sys_powerdown mode)
void exynos_sys_powerdown_conf(enum sys_powerdown mode)
{
unsigned int i;
const struct exynos_pmu_data *pmu_data;
const struct exynos_pmu_data *pmu_data = pmu_context->pmu_data;
if (!pmu_context)
return;
pmu_data = pmu_context->pmu_data;
if (pmu_data->powerdown_conf)
pmu_data->powerdown_conf(mode);

1
arch/arm/mach-imx/gpc.c
Просмотреть файл

@ -177,6 +177,7 @@ static struct irq_chip imx_gpc_chip = {
.irq_unmask = imx_gpc_irq_unmask,
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_set_wake = imx_gpc_irq_set_wake,
.irq_set_type = irq_chip_set_type_parent,
#ifdef CONFIG_SMP
.irq_set_affinity = irq_chip_set_affinity_parent,
#endif

12
arch/arm/mach-ixp4xx/include/mach/io.h
Просмотреть файл

@ -143,7 +143,7 @@ static inline void __indirect_writesl(volatile void __iomem *bus_addr,
writel(*vaddr++, bus_addr);
}
static inline unsigned char __indirect_readb(const volatile void __iomem *p)
static inline u8 __indirect_readb(const volatile void __iomem *p)
{
u32 addr = (u32)p;
u32 n, byte_enables, data;
@ -166,7 +166,7 @@ static inline void __indirect_readsb(const volatile void __iomem *bus_addr,
*vaddr++ = readb(bus_addr);
}
static inline unsigned short __indirect_readw(const volatile void __iomem *p)
static inline u16 __indirect_readw(const volatile void __iomem *p)
{
u32 addr = (u32)p;
u32 n, byte_enables, data;
@ -189,7 +189,7 @@ static inline void __indirect_readsw(const volatile void __iomem *bus_addr,
*vaddr++ = readw(bus_addr);
}
static inline unsigned long __indirect_readl(const volatile void __iomem *p)
static inline u32 __indirect_readl(const volatile void __iomem *p)
{
u32 addr = (__force u32)p;
u32 data;
@ -350,7 +350,7 @@ static inline void insl(u32 io_addr, void *p, u32 count)
((unsigned long)p <= (PIO_MASK + PIO_OFFSET)))
#define ioread8(p) ioread8(p)
static inline unsigned int ioread8(const void __iomem *addr)
static inline u8 ioread8(const void __iomem *addr)
{
unsigned long port = (unsigned long __force)addr;
if (__is_io_address(port))
@ -378,7 +378,7 @@ static inline void ioread8_rep(const void __iomem *addr, void *vaddr, u32 count)
}
#define ioread16(p) ioread16(p)
static inline unsigned int ioread16(const void __iomem *addr)
static inline u16 ioread16(const void __iomem *addr)
{
unsigned long port = (unsigned long __force)addr;
if (__is_io_address(port))
@ -407,7 +407,7 @@ static inline void ioread16_rep(const void __iomem *addr, void *vaddr,
}
#define ioread32(p) ioread32(p)
static inline unsigned int ioread32(const void __iomem *addr)
static inline u32 ioread32(const void __iomem *addr)
{
unsigned long port = (unsigned long __force)addr;
if (__is_io_address(port))

2
arch/arm/mach-omap2/Kconfig
Просмотреть файл

@ -121,6 +121,7 @@ config ARCH_OMAP2PLUS_TYPICAL
select NEON if CPU_V7
select PM
select REGULATOR
select REGULATOR_FIXED_VOLTAGE
select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4
select VFP
@ -201,7 +202,6 @@ config MACH_OMAP3_PANDORA
depends on ARCH_OMAP3
default y
select OMAP_PACKAGE_CBB
select REGULATOR_FIXED_VOLTAGE if REGULATOR
config MACH_NOKIA_N810
bool

6
arch/arm/mach-omap2/omap-smp.c
Просмотреть файл

@ -143,9 +143,9 @@ static int omap4_boot_secondary(unsigned int cpu, struct task_struct *idle)
* Ensure that CPU power state is set to ON to avoid CPU
* powerdomain transition on wfi
*/
clkdm_wakeup(cpu1_clkdm);
omap_set_pwrdm_state(cpu1_pwrdm, PWRDM_POWER_ON);
clkdm_allow_idle(cpu1_clkdm);
clkdm_wakeup_nolock(cpu1_clkdm);
pwrdm_set_next_pwrst(cpu1_pwrdm, PWRDM_POWER_ON);
clkdm_allow_idle_nolock(cpu1_clkdm);
if (IS_PM44XX_ERRATUM(PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD)) {
while (gic_dist_disabled()) {

66
arch/arm/mach-omap2/omap_hwmod.c
Просмотреть файл

@ -890,6 +890,36 @@ static int _init_opt_clks(struct omap_hwmod *oh)
return ret;
}
static void _enable_optional_clocks(struct omap_hwmod *oh)
{
struct omap_hwmod_opt_clk *oc;
int i;
pr_debug("omap_hwmod: %s: enabling optional clocks\n", oh->name);
for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
if (oc->_clk) {
pr_debug("omap_hwmod: enable %s:%s\n", oc->role,
__clk_get_name(oc->_clk));
clk_enable(oc->_clk);
}
}
static void _disable_optional_clocks(struct omap_hwmod *oh)
{
struct omap_hwmod_opt_clk *oc;
int i;
pr_debug("omap_hwmod: %s: disabling optional clocks\n", oh->name);
for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
if (oc->_clk) {
pr_debug("omap_hwmod: disable %s:%s\n", oc->role,
__clk_get_name(oc->_clk));
clk_disable(oc->_clk);
}
}
/**
* _enable_clocks - enable hwmod main clock and interface clocks
* @oh: struct omap_hwmod *
@ -917,6 +947,9 @@ static int _enable_clocks(struct omap_hwmod *oh)
clk_enable(os->_clk);
}
if (oh->flags & HWMOD_OPT_CLKS_NEEDED)
_enable_optional_clocks(oh);
/* The opt clocks are controlled by the device driver. */
return 0;
@ -948,41 +981,14 @@ static int _disable_clocks(struct omap_hwmod *oh)
clk_disable(os->_clk);
}
if (oh->flags & HWMOD_OPT_CLKS_NEEDED)
_disable_optional_clocks(oh);
/* The opt clocks are controlled by the device driver. */
return 0;
}
static void _enable_optional_clocks(struct omap_hwmod *oh)
{
struct omap_hwmod_opt_clk *oc;
int i;
pr_debug("omap_hwmod: %s: enabling optional clocks\n", oh->name);
for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
if (oc->_clk) {
pr_debug("omap_hwmod: enable %s:%s\n", oc->role,
__clk_get_name(oc->_clk));
clk_enable(oc->_clk);
}
}
static void _disable_optional_clocks(struct omap_hwmod *oh)
{
struct omap_hwmod_opt_clk *oc;
int i;
pr_debug("omap_hwmod: %s: disabling optional clocks\n", oh->name);
for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
if (oc->_clk) {
pr_debug("omap_hwmod: disable %s:%s\n", oc->role,
__clk_get_name(oc->_clk));
clk_disable(oc->_clk);
}
}
/**
* _omap4_enable_module - enable CLKCTRL modulemode on OMAP4
* @oh: struct omap_hwmod *

3
arch/arm/mach-omap2/omap_hwmod.h
Просмотреть файл

@ -523,6 +523,8 @@ struct omap_hwmod_omap4_prcm {
* HWMOD_RECONFIG_IO_CHAIN: omap_hwmod code needs to reconfigure wake-up
* events by calling _reconfigure_io_chain() when a device is enabled
* or idled.
* HWMOD_OPT_CLKS_NEEDED: The optional clocks are needed for the module to
* operate and they need to be handled at the same time as the main_clk.
*/
#define HWMOD_SWSUP_SIDLE (1 << 0)
#define HWMOD_SWSUP_MSTANDBY (1 << 1)
@ -538,6 +540,7 @@ struct omap_hwmod_omap4_prcm {
#define HWMOD_FORCE_MSTANDBY (1 << 11)
#define HWMOD_SWSUP_SIDLE_ACT (1 << 12)
#define HWMOD_RECONFIG_IO_CHAIN (1 << 13)
#define HWMOD_OPT_CLKS_NEEDED (1 << 14)
/*
* omap_hwmod._int_flags definitions

56
arch/arm/mach-omap2/omap_hwmod_7xx_data.c
Просмотреть файл

@ -1297,6 +1297,44 @@ static struct omap_hwmod dra7xx_mcspi4_hwmod = {
.dev_attr = &mcspi4_dev_attr,
};
/*
* 'mcasp' class
*
*/
static struct omap_hwmod_class_sysconfig dra7xx_mcasp_sysc = {
.sysc_offs = 0x0004,
.sysc_flags = SYSC_HAS_SIDLEMODE,
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type3,
};
static struct omap_hwmod_class dra7xx_mcasp_hwmod_class = {
.name = "mcasp",
.sysc = &dra7xx_mcasp_sysc,
};
/* mcasp3 */
static struct omap_hwmod_opt_clk mcasp3_opt_clks[] = {
{ .role = "ahclkx", .clk = "mcasp3_ahclkx_mux" },
};
static struct omap_hwmod dra7xx_mcasp3_hwmod = {
.name = "mcasp3",
.class = &dra7xx_mcasp_hwmod_class,
.clkdm_name = "l4per2_clkdm",
.main_clk = "mcasp3_aux_gfclk_mux",
.flags = HWMOD_OPT_CLKS_NEEDED,
.prcm = {
.omap4 = {
.clkctrl_offs = DRA7XX_CM_L4PER2_MCASP3_CLKCTRL_OFFSET,
.context_offs = DRA7XX_RM_L4PER2_MCASP3_CONTEXT_OFFSET,
.modulemode = MODULEMODE_SWCTRL,
},
},
.opt_clks = mcasp3_opt_clks,
.opt_clks_cnt = ARRAY_SIZE(mcasp3_opt_clks),
};
/*
* 'mmc' class
*
@ -2566,6 +2604,22 @@ static struct omap_hwmod_ocp_if dra7xx_l3_main_1__hdmi = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_per2 -> mcasp3 */
static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp3 = {
.master = &dra7xx_l4_per2_hwmod,
.slave = &dra7xx_mcasp3_hwmod,
.clk = "l4_root_clk_div",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l3_main_1 -> mcasp3 */
static struct omap_hwmod_ocp_if dra7xx_l3_main_1__mcasp3 = {
.master = &dra7xx_l3_main_1_hwmod,
.slave = &dra7xx_mcasp3_hwmod,
.clk = "l3_iclk_div",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_per1 -> elm */
static struct omap_hwmod_ocp_if dra7xx_l4_per1__elm = {
.master = &dra7xx_l4_per1_hwmod,
@ -3308,6 +3362,8 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
&dra7xx_l4_wkup__dcan1,
&dra7xx_l4_per2__dcan2,
&dra7xx_l4_per2__cpgmac0,
&dra7xx_l4_per2__mcasp3,
&dra7xx_l3_main_1__mcasp3,
&dra7xx_gmac__mdio,
&dra7xx_l4_cfg__dma_system,
&dra7xx_l3_main_1__dss,

3
arch/arm/mach-omap2/omap_hwmod_81xx_data.c
Просмотреть файл

@ -144,6 +144,7 @@ static struct omap_hwmod dm81xx_l4_ls_hwmod = {
.name = "l4_ls",
.clkdm_name = "alwon_l3s_clkdm",
.class = &l4_hwmod_class,
.flags = HWMOD_NO_IDLEST,
};
/*
@ -155,6 +156,7 @@ static struct omap_hwmod dm81xx_l4_hs_hwmod = {
.name = "l4_hs",
.clkdm_name = "alwon_l3_med_clkdm",
.class = &l4_hwmod_class,
.flags = HWMOD_NO_IDLEST,
};
/* L3 slow -> L4 ls peripheral interface running at 125MHz */
@ -850,6 +852,7 @@ static struct omap_hwmod dm816x_emac0_hwmod = {
.name = "emac0",
.clkdm_name = "alwon_ethernet_clkdm",
.class = &dm816x_emac_hwmod_class,
.flags = HWMOD_NO_IDLEST,
};
static struct omap_hwmod_ocp_if dm81xx_l4_hs__emac0 = {

29
arch/arm/mach-omap2/pdata-quirks.c
Просмотреть файл

@ -24,9 +24,6 @@
#include <linux/platform_data/iommu-omap.h>
#include <linux/platform_data/wkup_m3.h>
#include <asm/siginfo.h>
#include <asm/signal.h>
#include "common.h"
#include "common-board-devices.h"
#include "dss-common.h"
@ -385,29 +382,6 @@ static void __init omap3_pandora_legacy_init(void)
}
#endif /* CONFIG_ARCH_OMAP3 */
#ifdef CONFIG_SOC_TI81XX
static int fault_fixed_up;
static int t410_abort_handler(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
{
if ((fsr == 0x406 || fsr == 0xc06) && !fault_fixed_up) {
pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n",
addr, fsr);
fault_fixed_up = 1;
return 0;
}
return 1;
}
static void __init t410_abort_init(void)
{
hook_fault_code(16 + 6, t410_abort_handler, SIGBUS, BUS_OBJERR,
"imprecise external abort");
}
#endif
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
static struct iommu_platform_data omap4_iommu_pdata = {
.reset_name = "mmu_cache",
@ -536,9 +510,6 @@ static struct pdata_init pdata_quirks[] __initdata = {
{ "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
{ "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
#endif
#ifdef CONFIG_SOC_TI81XX
{ "hp,t410", t410_abort_init, },
#endif
#ifdef CONFIG_SOC_OMAP5
{ "ti,omap5-uevm", omap5_uevm_legacy_init, },
#endif

4
arch/arm/mach-omap2/pm34xx.c
Просмотреть файл

@ -301,11 +301,11 @@ static void omap3_pm_idle(void)
if (omap_irq_pending())
return;
trace_cpu_idle(1, smp_processor_id());
trace_cpu_idle_rcuidle(1, smp_processor_id());
omap_sram_idle();
trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
}
#ifdef CONFIG_SUSPEND

2
arch/arm/mach-orion5x/include/mach/entry-macro.S
Просмотреть файл

@ -21,5 +21,5 @@
@ find cause bits that are unmasked
ands \irqstat, \irqstat, \tmp @ clear Z flag if any
clzne \irqnr, \irqstat @ calc irqnr
rsbne \irqnr, \irqnr, #31
rsbne \irqnr, \irqnr, #32
.endm

5
arch/arm/mach-pxa/ezx.c
Просмотреть файл

@ -889,6 +889,7 @@ static void __init e680_init(void)
pxa_set_keypad_info(&e680_keypad_platform_data);
pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(e680_devices));
}
@ -956,6 +957,7 @@ static void __init a1200_init(void)
pxa_set_keypad_info(&a1200_keypad_platform_data);
pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(a1200_devices));
}
@ -1148,6 +1150,7 @@ static void __init a910_init(void)
platform_device_register(&a910_camera);
}
pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(a910_devices));
}
@ -1215,6 +1218,7 @@ static void __init e6_init(void)
pxa_set_keypad_info(&e6_keypad_platform_data);
pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(e6_devices));
}
@ -1256,6 +1260,7 @@ static void __init e2_init(void)
pxa_set_keypad_info(&e2_keypad_platform_data);
pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(e2_devices));
}

2
arch/arm/mach-pxa/palm27x.c
Просмотреть файл

@ -344,7 +344,7 @@ void __init palm27x_pwm_init(int bl, int lcd)
{
palm_bl_power = bl;
palm_lcd_power = lcd;
pwm_add_lookup(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup));
pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup));
platform_device_register(&palm27x_backlight);
}
#endif

2
arch/arm/mach-pxa/palmtc.c
Просмотреть файл

@ -169,7 +169,7 @@ static inline void palmtc_keys_init(void) {}
#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static struct pwm_lookup palmtc_pwm_lookup[] = {
PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS,
PWM_PERIOD_NORMAL),
PWM_POLARITY_NORMAL),
};
static struct platform_pwm_backlight_data palmtc_backlight_data = {

2
arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
Просмотреть файл

@ -20,7 +20,7 @@
#include <plat/cpu.h>
#include <plat/cpu-freq-core.h>
static struct cpufreq_frequency_table s3c2440_plls_12[] __initdata = {
static struct cpufreq_frequency_table s3c2440_plls_12[] = {
{ .frequency = 75000000, .driver_data = PLLVAL(0x75, 3, 3), }, /* FVco 600.000000 */
{ .frequency = 80000000, .driver_data = PLLVAL(0x98, 4, 3), }, /* FVco 640.000000 */
{ .frequency = 90000000, .driver_data = PLLVAL(0x70, 2, 3), }, /* FVco 720.000000 */

2
arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
Просмотреть файл

@ -20,7 +20,7 @@
#include <plat/cpu.h>
#include <plat/cpu-freq-core.h>
static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = {
static struct cpufreq_frequency_table s3c2440_plls_169344[] = {
{ .frequency = 78019200, .driver_data = PLLVAL(121, 5, 3), }, /* FVco 624.153600 */
{ .frequency = 84067200, .driver_data = PLLVAL(131, 5, 3), }, /* FVco 672.537600 */
{ .frequency = 90115200, .driver_data = PLLVAL(141, 5, 3), }, /* FVco 720.921600 */

2
arch/arm/mach-shmobile/setup-r8a7793.c
Просмотреть файл

@ -19,7 +19,7 @@
#include "common.h"
#include "rcar-gen2.h"
static const char *r8a7793_boards_compat_dt[] __initconst = {
static const char * const r8a7793_boards_compat_dt[] __initconst = {
"renesas,r8a7793",
NULL,
};

2
arch/arm/mach-zx/Kconfig
Просмотреть файл

@ -13,7 +13,7 @@ config SOC_ZX296702
select ARM_GLOBAL_TIMER
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
select PM_GENERIC_DOMAINS
select PM_GENERIC_DOMAINS if PM
help
Support for ZTE ZX296702 SoC which is a dual core CortexA9MP
endif

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