[RFT v2 09/10] ARM: exynos: Remove legacy setting of external wakeup interrupts

Krzysztof Kozlowski
2018-07-23T17:53:01Z

Since Exynos/S5Pv210 pin-controller driver is taking care about setting
the external wakeup interrupts mask, the legacy code can be removed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Sylwester Nawrocki <snawrocki@kernel.org>
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
---
arch/arm/mach-exynos/common.h | 2 --
arch/arm/mach-exynos/suspend.c | 16 ++++++++++++----
2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index dcd21bb95e3b..035e51c5f0fc 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -113,8 +113,6 @@ void exynos_firmware_init(void);
void exynos_set_boot_flag(unsigned int cpu, unsigned int mode);
void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode);

-extern u32 exynos_get_eint_wake_mask(void);
-
#ifdef CONFIG_PM_SLEEP
extern void __init exynos_pm_init(void);
#else
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index 991938e19e17..554d6ea2cb3c 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -88,6 +88,11 @@ static const struct exynos_wkup_irq exynos5250_wkup_irq[] = {
{ /* sentinel */ },
};

+static u32 exynos_read_eint_wakeup_mask(void)
+{
+ return pmu_raw_readl(EXYNOS_EINT_WAKEUP_MASK);
+}
+
static int exynos_irq_set_wake(struct irq_data *data, unsigned int state)
{
const struct exynos_wkup_irq *wkup_irq;
@@ -271,8 +276,10 @@ static int exynos5420_cpu_suspend(unsigned long arg)

static void exynos_pm_set_wakeup_mask(void)
{
- /* Set wake-up mask registers */
- pmu_raw_writel(exynos_get_eint_wake_mask(), EXYNOS_EINT_WAKEUP_MASK);
+ /*
+ * Set wake-up mask registers
+ * EXYNOS_EINT_WAKEUP_MASK is set by pinctrl driver in late suspend.
+ */
pmu_raw_writel(exynos_irqwake_intmask & ~(1 << 31), S5P_WAKEUP_MASK);
}

@@ -482,6 +489,7 @@ static void exynos5420_pm_resume(void)

static int exynos_suspend_enter(suspend_state_t state)
{
+ u32 eint_wakeup_mask = exynos_read_eint_wakeup_mask();
int ret;

s3c_pm_debug_init();
@@ -489,10 +497,10 @@ static int exynos_suspend_enter(suspend_state_t state)
S3C_PMDBG("%s: suspending the system...\n", __func__);

S3C_PMDBG("%s: wakeup masks: %08x,%08x\n", __func__,
- exynos_irqwake_intmask, exynos_get_eint_wake_mask());
+ exynos_irqwake_intmask, eint_wakeup_mask);

if (exynos_irqwake_intmask == -1U
- && exynos_get_eint_wake_mask() == -1U) {
+ && eint_wakeup_mask == EXYNOS_EINT_WAKEUP_MASK_DISABLED) {
pr_err("%s: No wake-up sources!\n", __func__);
pr_err("%s: Aborting sleep\n", __func__);
return -EINVAL;
--
2.14.1