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authorRafael J. Wysocki <rjw@sisk.pl>2012-08-10 01:00:02 +0400
committerRafael J. Wysocki <rjw@sisk.pl>2012-08-10 15:35:32 +0400
commit9069240480e24a2d6ce23404c9ad6cabf59b7258 (patch)
tree6dc30815db7ff040a91844f57848f7a0a1770d2b /drivers/acpi/button.c
parent300d3739e873d50d4c6e3656f89007a217fb1d29 (diff)
downloadlinux-9069240480e24a2d6ce23404c9ad6cabf59b7258.tar.xz
ACPI / PM: Fix unused function warnings for CONFIG_PM_SLEEP
According to compiler warnings, several suspend/resume functions in ACPI drivers are not used for CONFIG_PM_SLEEP unset, so add #ifdefs to prevent them from being built in that case. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'drivers/acpi/button.c')
-rw-r--r--drivers/acpi/button.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 79d4c22f7a6d..314a3b84bbc7 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -78,7 +78,9 @@ static int acpi_button_add(struct acpi_device *device);
static int acpi_button_remove(struct acpi_device *device, int type);
static void acpi_button_notify(struct acpi_device *device, u32 event);
+#ifdef CONFIG_PM_SLEEP
static int acpi_button_resume(struct device *dev);
+#endif
static SIMPLE_DEV_PM_OPS(acpi_button_pm, NULL, acpi_button_resume);
static struct acpi_driver acpi_button_driver = {
@@ -310,6 +312,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
}
}
+#ifdef CONFIG_PM_SLEEP
static int acpi_button_resume(struct device *dev)
{
struct acpi_device *device = to_acpi_device(dev);
@@ -319,6 +322,7 @@ static int acpi_button_resume(struct device *dev)
return acpi_lid_send_state(device);
return 0;
}
+#endif
static int acpi_button_add(struct acpi_device *device)
{