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-rw-r--r--arch/arm/mach-omap1/pm.c20
-rw-r--r--arch/arm/mach-omap2/pm.c20
-rw-r--r--arch/blackfin/mach-common/pm.c53
-rw-r--r--arch/powerpc/platforms/52xx/lite5200_pm.c34
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_pm.c9
5 files changed, 35 insertions, 101 deletions
diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c
index 8db38dd247a..3bf01e28df3 100644
--- a/arch/arm/mach-omap1/pm.c
+++ b/arch/arm/mach-omap1/pm.c
@@ -599,27 +599,15 @@ static void (*saved_idle)(void) = NULL;
/*
* omap_pm_prepare - Do preliminary suspend work.
- * @state: suspend state we're entering.
*
*/
-static int omap_pm_prepare(suspend_state_t state)
+static int omap_pm_prepare(void)
{
- int error = 0;
-
/* We cannot sleep in idle until we have resumed */
saved_idle = pm_idle;
pm_idle = NULL;
- switch (state)
- {
- case PM_SUSPEND_STANDBY:
- case PM_SUSPEND_MEM:
- break;
- default:
- return -EINVAL;
- }
-
- return error;
+ return 0;
}
@@ -647,16 +635,14 @@ static int omap_pm_enter(suspend_state_t state)
/**
* omap_pm_finish - Finish up suspend sequence.
- * @state: State we're coming out of.
*
* This is called after we wake back up (or if entering the sleep state
* failed).
*/
-static int omap_pm_finish(suspend_state_t state)
+static void omap_pm_finish(void)
{
pm_idle = saved_idle;
- return 0;
}
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 9aaa7a2633e..baf7d82b458 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -70,25 +70,12 @@ void omap2_pm_idle(void)
local_irq_enable();
}
-static int omap2_pm_prepare(suspend_state_t state)
+static int omap2_pm_prepare(void)
{
- int error = 0;
-
/* We cannot sleep in idle until we have resumed */
saved_idle = pm_idle;
pm_idle = NULL;
-
- switch (state)
- {
- case PM_SUSPEND_STANDBY:
- case PM_SUSPEND_MEM:
- break;
-
- default:
- return -EINVAL;
- }
-
- return error;
+ return 0;
}
#define INT0_WAKE_MASK (OMAP_IRQ_BIT(INT_24XX_GPIO_BANK1) | \
@@ -356,10 +343,9 @@ static int omap2_pm_enter(suspend_state_t state)
return ret;
}
-static int omap2_pm_finish(suspend_state_t state)
+static void omap2_pm_finish(void)
{
pm_idle = saved_idle;
- return 0;
}
static struct platform_suspend_ops omap_pm_ops = {
diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index 6901891905c..dac51fb06f2 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -89,28 +89,15 @@ void bfin_pm_suspend_standby_enter(void)
#endif /* CONFIG_PM_WAKEUP_GPIO_BY_SIC_IWR */
}
-
/*
- * bfin_pm_prepare - Do preliminary suspend work.
- * @state: suspend state we're entering.
+ * bfin_pm_valid - Tell the PM core that we only support the standby sleep
+ * state
+ * @state: suspend state we're checking.
*
*/
-static int bfin_pm_prepare(suspend_state_t state)
+static int bfin_pm_valid(suspend_state_t state)
{
- int error = 0;
-
- switch (state) {
- case PM_SUSPEND_STANDBY:
- break;
-
- case PM_SUSPEND_MEM:
- return -ENOTSUPP;
-
- default:
- return -EINVAL;
- }
-
- return error;
+ return (state == PM_SUSPEND_STANDBY);
}
/*
@@ -135,38 +122,8 @@ static int bfin_pm_enter(suspend_state_t state)
return 0;
}
-/*
- * bfin_pm_finish - Finish up suspend sequence.
- * @state: State we're coming out of.
- *
- * This is called after we wake back up (or if entering the sleep state
- * failed).
- */
-static int bfin_pm_finish(suspend_state_t state)
-{
- switch (state) {
- case PM_SUSPEND_STANDBY:
- break;
-
- case PM_SUSPEND_MEM:
- return -ENOTSUPP;
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int bfin_pm_valid(suspend_state_t state)
-{
- return (state == PM_SUSPEND_STANDBY);
-}
-
struct platform_suspend_ops bfin_pm_ops = {
- .prepare = bfin_pm_prepare,
.enter = bfin_pm_enter,
- .finish = bfin_pm_finish,
.valid = bfin_pm_valid,
};
diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c
index f26afcd4175..ffa14aff524 100644
--- a/arch/powerpc/platforms/52xx/lite5200_pm.c
+++ b/arch/powerpc/platforms/52xx/lite5200_pm.c
@@ -1,5 +1,5 @@
#include <linux/init.h>
-#include <linux/pm.h>
+#include <linux/suspend.h>
#include <asm/io.h>
#include <asm/time.h>
#include <asm/mpc52xx.h>
@@ -18,6 +18,8 @@ static void __iomem *sram;
static const int sram_size = 0x4000; /* 16 kBytes */
static void __iomem *mbar;
+static suspend_state_t lite5200_pm_target_state;
+
static int lite5200_pm_valid(suspend_state_t state)
{
switch (state) {
@@ -29,13 +31,22 @@ static int lite5200_pm_valid(suspend_state_t state)
}
}
-static int lite5200_pm_prepare(suspend_state_t state)
+static int lite5200_pm_set_target(suspend_state_t state)
+{
+ if (lite5200_pm_valid(state)) {
+ lite5200_pm_target_state = state;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int lite5200_pm_prepare(void)
{
/* deep sleep? let mpc52xx code handle that */
- if (state == PM_SUSPEND_STANDBY)
- return mpc52xx_pm_prepare(state);
+ if (lite5200_pm_target_state == PM_SUSPEND_STANDBY)
+ return mpc52xx_pm_prepare();
- if (state != PM_SUSPEND_MEM)
+ if (lite5200_pm_target_state != PM_SUSPEND_MEM)
return -EINVAL;
/* map registers */
@@ -190,17 +201,16 @@ static int lite5200_pm_enter(suspend_state_t state)
return 0;
}
-static int lite5200_pm_finish(suspend_state_t state)
+static void lite5200_pm_finish(void)
{
/* deep sleep? let mpc52xx code handle that */
- if (state == PM_SUSPEND_STANDBY) {
- return mpc52xx_pm_finish(state);
- }
- return 0;
+ if (lite5200_pm_target_state == PM_SUSPEND_STANDBY)
+ mpc52xx_pm_finish();
}
-static struct pm_ops lite5200_pm_ops = {
+static struct platform_suspend_ops lite5200_pm_ops = {
.valid = lite5200_pm_valid,
+ .set_target = lite5200_pm_set_target,
.prepare = lite5200_pm_prepare,
.enter = lite5200_pm_enter,
.finish = lite5200_pm_finish,
@@ -208,6 +218,6 @@ static struct pm_ops lite5200_pm_ops = {
int __init lite5200_pm_init(void)
{
- pm_set_ops(&lite5200_pm_ops);
+ suspend_set_ops(&lite5200_pm_ops);
return 0;
}
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pm.c b/arch/powerpc/platforms/52xx/mpc52xx_pm.c
index 44fb064c7a1..7ffa7babf25 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pm.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pm.c
@@ -57,11 +57,8 @@ int mpc52xx_set_wakeup_gpio(u8 pin, u8 level)
return 0;
}
-int mpc52xx_pm_prepare(suspend_state_t state)
+int mpc52xx_pm_prepare(void)
{
- if (state != PM_SUSPEND_STANDBY)
- return -EINVAL;
-
/* map the whole register space */
mbar = mpc52xx_find_and_map("mpc5200");
if (!mbar) {
@@ -166,15 +163,13 @@ int mpc52xx_pm_enter(suspend_state_t state)
return 0;
}
-int mpc52xx_pm_finish(suspend_state_t state)
+void mpc52xx_pm_finish(void)
{
/* call board resume code */
if (mpc52xx_suspend.board_resume_finish)
mpc52xx_suspend.board_resume_finish(mbar);
iounmap(mbar);
-
- return 0;
}
static struct platform_suspend_ops mpc52xx_pm_ops = {
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 14:09:01 +0000