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authorRafael J. Wysocki <rjw@sisk.pl>2008-01-08 02:08:44 +0300
committerLen Brown <len.brown@intel.com>2008-02-02 02:30:58 +0300
commitcaea99ef339af8e07cda8d03fa415e4b8820f400 (patch)
tree46b975f61a3409a30fc6a7c15a6db2c7f6d9876b /drivers/acpi/sleep/main.c
parent60417f5976df029227450b46d7fa6f0e9b1e654c (diff)
downloadlinux-caea99ef339af8e07cda8d03fa415e4b8820f400.tar.xz
Hibernation: Introduce begin() and end() callbacks
Introduce global hibernation callback .end() and rename global hibernation callback .start() to .begin(), in analogy with the recent modifications of the global suspend callbacks. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/sleep/main.c')
-rw-r--r--drivers/acpi/sleep/main.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index c37c4ead95c9..31e8e58e1cec 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -281,7 +281,7 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
#endif /* CONFIG_SUSPEND */
#ifdef CONFIG_HIBERNATION
-static int acpi_hibernation_start(void)
+static int acpi_hibernation_begin(void)
{
acpi_target_sleep_state = ACPI_STATE_S4;
return 0;
@@ -341,6 +341,15 @@ static void acpi_hibernation_finish(void)
acpi_target_sleep_state = ACPI_STATE_S0;
}
+static void acpi_hibernation_end(void)
+{
+ /*
+ * This is necessary in case acpi_hibernation_finish() is not called
+ * during a failing transition to the sleep state.
+ */
+ acpi_target_sleep_state = ACPI_STATE_S0;
+}
+
static int acpi_hibernation_pre_restore(void)
{
acpi_status status;
@@ -356,7 +365,8 @@ static void acpi_hibernation_restore_cleanup(void)
}
static struct platform_hibernation_ops acpi_hibernation_ops = {
- .start = acpi_hibernation_start,
+ .begin = acpi_hibernation_begin,
+ .end = acpi_hibernation_end,
.pre_snapshot = acpi_hibernation_prepare,
.finish = acpi_hibernation_finish,
.prepare = acpi_hibernation_prepare,