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author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2013-09-26 17:34:24 +0200 |
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committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2013-10-16 23:49:35 +0200 |
commit | 1ce3c48e6c76920fa46bfdde84a69e155f880c32 (patch) | |
tree | 5ead3d0c9bf4b91812460748b0b48ef4d001b300 /arch/arm/mach-at91 | |
parent | 5ad945ea58f6cab7490dc149974ccb6514cc569a (diff) | |
download | op-kernel-dev-1ce3c48e6c76920fa46bfdde84a69e155f880c32.zip op-kernel-dev-1ce3c48e6c76920fa46bfdde84a69e155f880c32.tar.gz |
ARM: at91: cpuidle: Move driver to drivers/cpuidle
As the cpuidle driver code has no more the dependency with the pm code, the
'standby' callback being passed as a parameter to the device's platform data,
we can move the cpuidle driver in the drivers/cpuidle directory.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Conflicts:
drivers/cpuidle/Kconfig.arm
drivers/cpuidle/Makefile
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r-- | arch/arm/mach-at91/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-at91/cpuidle.c | 69 |
2 files changed, 0 insertions, 70 deletions
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 3b0a953..c1b7370 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -98,7 +98,6 @@ obj-y += leds.o # Power Management obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_AT91_SLOW_CLOCK) += pm_slowclock.o -obj-$(CONFIG_CPU_IDLE) += cpuidle.o ifeq ($(CONFIG_PM_DEBUG),y) CFLAGS_pm.o += -DDEBUG diff --git a/arch/arm/mach-at91/cpuidle.c b/arch/arm/mach-at91/cpuidle.c deleted file mode 100644 index a077437..0000000 --- a/arch/arm/mach-at91/cpuidle.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * based on arch/arm/mach-kirkwood/cpuidle.c - * - * CPU idle support for AT91 SoC - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - * - * The cpu idle uses wait-for-interrupt and RAM self refresh in order - * to implement two idle states - - * #1 wait-for-interrupt - * #2 wait-for-interrupt and RAM self refresh - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/cpuidle.h> -#include <linux/io.h> -#include <linux/export.h> -#include <asm/proc-fns.h> -#include <asm/cpuidle.h> - -#define AT91_MAX_STATES 2 - -static void (*at91_standby)(void); - -/* Actual code that puts the SoC in different idle states */ -static int at91_enter_idle(struct cpuidle_device *dev, - struct cpuidle_driver *drv, - int index) -{ - at91_standby(); - return index; -} - -static struct cpuidle_driver at91_idle_driver = { - .name = "at91_idle", - .owner = THIS_MODULE, - .states[0] = ARM_CPUIDLE_WFI_STATE, - .states[1] = { - .enter = at91_enter_idle, - .exit_latency = 10, - .target_residency = 10000, - .flags = CPUIDLE_FLAG_TIME_VALID, - .name = "RAM_SR", - .desc = "WFI and DDR Self Refresh", - }, - .state_count = AT91_MAX_STATES, -}; - -/* Initialize CPU idle by registering the idle states */ -static int at91_cpuidle_probe(struct platform_device *dev) -{ - at91_standby = (void *)(dev->dev.platform_data); - - return cpuidle_register(&at91_idle_driver, NULL); -} - -static struct platform_driver at91_cpuidle_driver = { - .driver = { - .name = "cpuidle-at91", - .owner = THIS_MODULE, - }, - .probe = at91_cpuidle_probe, -}; - -module_platform_driver(at91_cpuidle_driver); |