By enabling runtime pm in this driver is 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> Signed-off-by: Doug Anderson <dianders@xxxxxxxxxxxx> --- drivers/usb/host/xhci-plat.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index df90fe5..6ad7cfb 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -139,6 +139,10 @@ static int xhci_plat_probe(struct platform_device *pdev) goto dealloc_usb2_hcd; } + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + pm_runtime_forbid(&pdev->dev); + /* * Set the xHCI pointer before xhci_plat_setup() (aka hcd_driver.reset) * is called by usb_add_hcd(). @@ -149,10 +153,13 @@ static int xhci_plat_probe(struct platform_device *pdev) if (ret) goto put_usb3_hcd; + pm_runtime_allow(&pdev->dev); + return 0; put_usb3_hcd: usb_put_hcd(xhci->shared_hcd); + pm_runtime_disable(&pdev->dev); dealloc_usb2_hcd: usb_remove_hcd(hcd); @@ -174,6 +181,8 @@ 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); + 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-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
