diff options
| author | Ludovic Desroches <ludovic.desroches@atmel.com> | 2013-03-08 16:18:21 +0100 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2013-03-14 09:37:42 +0100 |
| commit | 647f8d94a4e69d39e88a617846755655853c20f5 (patch) | |
| tree | d673cac675a6281094f72d39046cd5854e129f10 /arch/arm | |
| parent | 7f06472f1c3281abceea36059f94e099bfe4698f (diff) | |
| download | blackbird-op-linux-647f8d94a4e69d39e88a617846755655853c20f5.tar.gz blackbird-op-linux-647f8d94a4e69d39e88a617846755655853c20f5.zip | |
ARM: at91: add gpio suspend/resume support when using pinctrl
gpio suspend/resume and wakeup sources where not managed when using pinctrl so
it was impossible to wake up the system with a gpio.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/gpio.h | 8 | ||||
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 10 |
2 files changed, 16 insertions, 2 deletions
diff --git a/arch/arm/mach-at91/include/mach/gpio.h b/arch/arm/mach-at91/include/mach/gpio.h index eed465ab0dd7..5fc23771c154 100644 --- a/arch/arm/mach-at91/include/mach/gpio.h +++ b/arch/arm/mach-at91/include/mach/gpio.h @@ -209,6 +209,14 @@ extern int at91_get_gpio_value(unsigned pin); extern void at91_gpio_suspend(void); extern void at91_gpio_resume(void); +#ifdef CONFIG_PINCTRL_AT91 +extern void at91_pinctrl_gpio_suspend(void); +extern void at91_pinctrl_gpio_resume(void); +#else +static inline void at91_pinctrl_gpio_suspend(void) {} +static inline void at91_pinctrl_gpio_resume(void) {} +#endif + #endif /* __ASSEMBLY__ */ #endif diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index adb6db888a1f..73f1f250403a 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -201,7 +201,10 @@ extern u32 at91_slow_clock_sz; static int at91_pm_enter(suspend_state_t state) { - at91_gpio_suspend(); + if (of_have_populated_dt()) + at91_pinctrl_gpio_suspend(); + else + at91_gpio_suspend(); at91_irq_suspend(); pr_debug("AT91: PM - wake mask %08x, pm state %d\n", @@ -286,7 +289,10 @@ static int at91_pm_enter(suspend_state_t state) error: target_state = PM_SUSPEND_ON; at91_irq_resume(); - at91_gpio_resume(); + if (of_have_populated_dt()) + at91_pinctrl_gpio_resume(); + else + at91_gpio_resume(); return 0; } |
