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authorWonhong Kwon <wonhongkwon@gmail.com>2014-10-24 08:45:47 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-04 02:38:17 +0300
commit5e4ccd9ee2508d04a39fa27de9eb7bf65bad7594 (patch)
treee9d499feb97308959792dc86f0560326e541320a /drivers/usb/host/ehci-platform.c
parenta57971bfa1e9aa9b42ed72df027d5b985b31b56b (diff)
downloadlinux-5e4ccd9ee2508d04a39fa27de9eb7bf65bad7594.tar.xz
usb: ehci/ohci-platform: use SIMPLE_DEV_PM_OPS to support hibernation
ehci/ohci-platform just define .suspend/.resume functions for dev_pm_ops, but in order to support both STR(suspend-to-ram) and hibernation, other callbacks such as .freeze/.thaw are also required. Registering all required callbacks for both STR and hibernation can be done by SIMPLE_DEV_PM_OPS macro function. Signed-off-by: Wonhong Kwon <wonhong.kwon@lge.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-platform.c')
-rw-r--r--drivers/usb/host/ehci-platform.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 2f5b9ce3e042..da056fe9d15b 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -311,8 +311,7 @@ static int ehci_platform_remove(struct platform_device *dev)
return 0;
}
-#ifdef CONFIG_PM
-
+#ifdef CONFIG_PM_SLEEP
static int ehci_platform_suspend(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
@@ -348,11 +347,7 @@ static int ehci_platform_resume(struct device *dev)
ehci_resume(hcd, false);
return 0;
}
-
-#else /* !CONFIG_PM */
-#define ehci_platform_suspend NULL
-#define ehci_platform_resume NULL
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
static const struct of_device_id vt8500_ehci_ids[] = {
{ .compatible = "via,vt8500-ehci", },
@@ -368,10 +363,8 @@ static const struct platform_device_id ehci_platform_table[] = {
};
MODULE_DEVICE_TABLE(platform, ehci_platform_table);
-static const struct dev_pm_ops ehci_platform_pm_ops = {
- .suspend = ehci_platform_suspend,
- .resume = ehci_platform_resume,
-};
+static SIMPLE_DEV_PM_OPS(ehci_platform_pm_ops, ehci_platform_suspend,
+ ehci_platform_resume);
static struct platform_driver ehci_platform_driver = {
.id_table = ehci_platform_table,