This patch restores the ability to receive wake-up events from internal GIC interrupts, e.g. RTC tick or alarm interrupts.
Signed-off-by: Tomasz Figa <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> --- arch/arm/mach-exynos/include/mach/pm-core.h | 1 - arch/arm/mach-exynos/pm.c | 55 +++++++++++++++++++++++++++++ 2 files changed, 55 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-exynos/include/mach/pm-core.h b/arch/arm/mach-exynos/include/mach/pm-core.h index 2b00833..be112ce 100644 --- a/arch/arm/mach-exynos/include/mach/pm-core.h +++ b/arch/arm/mach-exynos/include/mach/pm-core.h @@ -66,7 +66,6 @@ static inline void samsung_pm_saved_gpios(void) /* Compatibility definitions to make plat-samsung/pm.c compile */ #define IRQ_EINT_BIT(x) 1 -#define s3c_irqwake_intallow 0 #define s3c_irqwake_eintallow 0 #endif /* __ASM_ARCH_PM_CORE_H */ diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index c679db5..1f24e7f 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -212,14 +212,69 @@ static struct subsys_interface exynos_pm_interface = { .add_dev = exynos_pm_add, }; +struct exynos_wkup_irq { + unsigned int hwirq; + u32 mask; +}; + +static const struct exynos_wkup_irq exynos4_wkup_irq[] = { + { 76, BIT(1) }, /* RTC alarm */ + { 77, BIT(2) }, /* RTC tick */ + { /* sentinel */ }, +}; + +static const struct exynos_wkup_irq exynos5250_wkup_irq[] = { + { 75, BIT(1) }, /* RTC alarm */ + { 76, BIT(2) }, /* RTC tick */ + { /* sentinel */ }, +}; + +unsigned long s3c_irqwake_intallow; + +int s3c_irq_wake(struct irq_data *data, unsigned int state) +{ + const struct exynos_wkup_irq *wkup_irq; + + if (soc_is_exynos5250()) + wkup_irq = exynos5250_wkup_irq; + else + wkup_irq = exynos4_wkup_irq; + + while (wkup_irq->mask) { + if (wkup_irq->hwirq == data->hwirq) { + if (!state) + s3c_irqwake_intmask |= wkup_irq->mask; + else + s3c_irqwake_intmask &= ~wkup_irq->mask; + return 0; + } + ++wkup_irq; + } + + return -ENOENT; +} + static __init int exynos_pm_drvinit(void) { + const struct exynos_wkup_irq *wkup_irq; struct clk *pll_base; unsigned int tmp; if (soc_is_exynos5440()) return 0; + if (soc_is_exynos5250()) + wkup_irq = exynos5250_wkup_irq; + else + wkup_irq = exynos4_wkup_irq; + + while (wkup_irq->mask) { + s3c_irqwake_intallow |= wkup_irq->mask; + ++wkup_irq; + } + + gic_arch_extn.irq_set_wake = s3c_irq_wake; + s3c_pm_init(); /* All wakeup disable */ -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
