By enabling runtime pm in this driver allows users of xhci-plat to enter into runtime pm. This is not full runtime pm support (AKA xhci-plat doesn't actually power anything off when in runtime suspend mode) but, just basic enablement. Signed-off-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx> CC: Doug Anderson <dianders@xxxxxxxxxxxx> --- drivers/usb/host/xhci-plat.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index c9c7e13..595cb52 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -12,6 +12,7 @@ */ #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/module.h> #include <linux/slab.h> @@ -149,6 +150,8 @@ static int xhci_plat_probe(struct platform_device *pdev) if (ret) goto put_usb3_hcd; + pm_runtime_enable(&pdev->dev); + return 0; put_usb3_hcd: @@ -174,6 +177,10 @@ static int xhci_plat_remove(struct platform_device *dev) struct usb_hcd *hcd = platform_get_drvdata(dev); struct xhci_hcd *xhci = hcd_to_xhci(hcd); + if (!pm_runtime_suspended(&dev->dev)) + pm_runtime_put(&dev->dev); + pm_runtime_disable(&dev->dev); + usb_remove_hcd(xhci->shared_hcd); usb_put_hcd(xhci->shared_hcd); -- 1.7.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
