/*
* 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;
}
/**
* 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;
}
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) | \
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 = {
#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);
}
/*
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,
};
#include <linux/init.h>
-#include <linux/pm.h>
+#include <linux/suspend.h>
#include <asm/io.h>
#include <asm/time.h>
#include <asm/mpc52xx.h>
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) {
}
}
-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 */
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,
int __init lite5200_pm_init(void)
{
- pm_set_ops(&lite5200_pm_ops);
+ suspend_set_ops(&lite5200_pm_ops);
return 0;
}
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) {
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 = {
/**
* acpi_pm_prepare - Do preliminary suspend work.
- * @pm_state: ignored
*
* If necessary, set the firmware waking vector and do arch-specific
* nastiness to get the wakeup code to the waking vector.
*/
-static int acpi_pm_prepare(suspend_state_t pm_state)
+static int acpi_pm_prepare(void)
{
int error = acpi_sleep_prepare(acpi_target_sleep_state);
/**
* acpi_pm_finish - Finish up suspend sequence.
- * @pm_state: ignored
*
* This is called after we wake back up (or if entering the sleep state
* failed).
*/
-static int acpi_pm_finish(suspend_state_t pm_state)
+static void acpi_pm_finish(void)
{
u32 acpi_state = acpi_target_sleep_state;
init_8259A(0);
}
#endif
- return 0;
}
static int acpi_pm_state_valid(suspend_state_t pm_state)
#include <asm/prom.h>
#endif /* __ASSEMBLY__ */
+#include <linux/suspend.h>
+
/* ======================================================================== */
/* Structures mapping of some unit register set */
extern int __init lite5200_pm_init(void);
/* lite5200 calls mpc5200 suspend functions, so here they are */
-extern int mpc52xx_pm_prepare(suspend_state_t);
+extern int mpc52xx_pm_prepare(void);
extern int mpc52xx_pm_enter(suspend_state_t);
-extern int mpc52xx_pm_finish(suspend_state_t);
+extern void mpc52xx_pm_finish(void);
extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */
#endif
#endif /* CONFIG_PM */
* @prepare() fails. If @set_target() fails (ie. returns nonzero),
* @prepare(), @enter() and @finish() will not be called by the PM core.
* This callback is optional. However, if it is implemented, the argument
- * passed to @prepare(), @enter() and @finish() is meaningless and should
- * be ignored.
+ * passed to @enter() is meaningless and should be ignored.
*
* @prepare: Prepare the platform for entering the system sleep state indicated
- * by @set_target() or represented by the argument if @set_target() is not
- * implemented.
+ * by @set_target().
* @prepare() is called right after devices have been suspended (ie. the
* appropriate .suspend() method has been executed for each device) and
* before the nonboot CPUs are disabled (it is executed with IRQs enabled).
*
* @finish: Called when the system has just left a sleep state, right after
* the nonboot CPUs have been enabled and before devices are resumed (it is
- * executed with IRQs enabled). If @set_target() is not implemented, the
- * argument represents the sleep state being left.
+ * executed with IRQs enabled).
* This callback is optional, but should be implemented by the platforms
* that implement @prepare(). If implemented, it is always called after
* @enter() (even if @enter() fails).
struct platform_suspend_ops {
int (*valid)(suspend_state_t state);
int (*set_target)(suspend_state_t state);
- int (*prepare)(suspend_state_t state);
+ int (*prepare)(void);
int (*enter)(suspend_state_t state);
- int (*finish)(suspend_state_t state);
+ void (*finish)(void);
};
#ifdef CONFIG_SUSPEND
return state == PM_SUSPEND_MEM;
}
-
-static inline void pm_finish(suspend_state_t state)
-{
- if (suspend_ops->finish)
- suspend_ops->finish(state);
-}
-
/**
* suspend_prepare - Do prep work before entering low-power state.
*
goto Resume_console;
}
if (suspend_ops->prepare) {
- error = suspend_ops->prepare(state);
+ error = suspend_ops->prepare();
if (error)
goto Resume_devices;
}
suspend_enter(state);
enable_nonboot_cpus();
- pm_finish(state);
+ if (suspend_ops->finish)
+ suspend_ops->finish();
Resume_devices:
device_resume();
Resume_console:
projects / linux-2.6 / commitdiff