[RFT v2 08/10] ARM: s5pv210: Remove legacy setting of external wakeup interrupts

Krzysztof Kozlowski
2018-07-23T17:53:00Z

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-s5pv210/common.h | 1 -
arch/arm/mach-s5pv210/pm.c | 16 ++++++++++++----
2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-s5pv210/common.h b/arch/arm/mach-s5pv210/common.h
index 0a188134deae..cb36058bc35e 100644
--- a/arch/arm/mach-s5pv210/common.h
+++ b/arch/arm/mach-s5pv210/common.h
@@ -10,7 +10,6 @@
#define __ARCH_ARM_MACH_S5PV210_COMMON_H

#ifdef CONFIG_PM_SLEEP
-u32 exynos_get_eint_wake_mask(void);
void s5pv210_cpu_resume(void);
void s5pv210_pm_init(void);
#else
diff --git a/arch/arm/mach-s5pv210/pm.c b/arch/arm/mach-s5pv210/pm.c
index f491249ab658..b336df0c57f3 100644
--- a/arch/arm/mach-s5pv210/pm.c
+++ b/arch/arm/mach-s5pv210/pm.c
@@ -32,6 +32,11 @@ static struct sleep_save s5pv210_core_save[] = {
*/
static u32 s5pv210_irqwake_intmask = 0xffffffff;

+static u32 s5pv210_read_eint_wakeup_mask(void)
+{
+ return __raw_readl(S5P_EINT_WAKEUP_MASK);
+}
+
/*
* Suspend helpers.
*/
@@ -59,8 +64,10 @@ static void s5pv210_pm_prepare(void)
{
unsigned int tmp;

- /* Set wake-up mask registers */
- __raw_writel(exynos_get_eint_wake_mask(), S5P_EINT_WAKEUP_MASK);
+ /*
+ * Set wake-up mask registers
+ * S5P_EINT_WAKEUP_MASK is set by pinctrl driver in late suspend.
+ */
__raw_writel(s5pv210_irqwake_intmask, S5P_WAKEUP_MASK);

/* ensure at least INFORM0 has the resume address */
@@ -89,6 +96,7 @@ static void s5pv210_pm_prepare(void)
*/
static int s5pv210_suspend_enter(suspend_state_t state)
{
+ u32 eint_wakeup_mask = s5pv210_read_eint_wakeup_mask();
int ret;

s3c_pm_debug_init();
@@ -96,10 +104,10 @@ static int s5pv210_suspend_enter(suspend_state_t state)
S3C_PMDBG("%s: suspending the system...\n", __func__);

S3C_PMDBG("%s: wakeup masks: %08x,%08x\n", __func__,
- s5pv210_irqwake_intmask, exynos_get_eint_wake_mask());
+ s5pv210_irqwake_intmask, eint_wakeup_mask);

if (s5pv210_irqwake_intmask == -1U
- && exynos_get_eint_wake_mask() == -1U) {
+ && eint_wakeup_mask == -1U) {
pr_err("%s: No wake-up sources!\n", __func__);
pr_err("%s: Aborting sleep\n", __func__);
return -EINVAL;
--
2.14.1