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authorAndriy Skulysh <askulysh@gmail.com>2006-09-27 16:20:22 +0900
committerPaul Mundt <lethal@linux-sh.org>2006-09-27 16:20:22 +0900
commit3aa770e7972723f479122cf66b529017d2175289 (patch)
treef70d870381cec8034693704e346c53b311db688f /arch/sh/kernel/time.c
parentef48e8e3498605351f91f195cc9af0ef981b0dde (diff)
sh: APM/PM support.
This adds some simple PM stubs and the basic APM interfaces, primarily for use by hp6xx, where the existing userland expects it. Signed-off-by: Andriy Skulysh <askulysh@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/time.c')
-rw-r--r--arch/sh/kernel/time.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index a1589f85499..c8db6ca4f9d 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -143,8 +143,33 @@ void handle_timer_tick(struct pt_regs *regs)
}
}
+#ifdef CONFIG_PM
+int timer_suspend(struct sys_device *dev, pm_message_t state)
+{
+ struct sys_timer *sys_timer = container_of(dev, struct sys_timer, dev);
+
+ sys_timer->ops->stop();
+
+ return 0;
+}
+
+int timer_resume(struct sys_device *dev)
+{
+ struct sys_timer *sys_timer = container_of(dev, struct sys_timer, dev);
+
+ sys_timer->ops->start();
+
+ return 0;
+}
+#else
+#define timer_suspend NULL
+#define timer_resume NULL
+#endif
+
static struct sysdev_class timer_sysclass = {
set_kset_name("timer"),
+ .suspend = timer_suspend,
+ .resume = timer_resume,
};
static int __init timer_init_sysfs(void)