Suspend scenario in case of ohci-da8xx glue was not properly handled as it was not suspending generic part of ohci controller. Calling explicitly the ohci_suspend() routine in ohci_da8xx_suspend() will ensure proper handling of suspend scenario.
Signed-off-by: Manjunath Goudar manjunath.goudar@linaro.org Cc: Arnd Bergmann arnd@arndb.de Cc: Alan Stern stern@rowland.harvard.edu Cc: Greg KH greg@kroah.com Cc: linux-usb@vger.kernel.org
V2: -Incase ohci_suspend() fails, return right away without executing further. V3: -Aligned variable "do_wakeup" and "ret". -pdev->dev.power.power_state stuff has been removed. --- drivers/usb/host/ohci-da8xx.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c index 6aaa9c9..78a6124 100644 --- a/drivers/usb/host/ohci-da8xx.c +++ b/drivers/usb/host/ohci-da8xx.c @@ -406,19 +406,26 @@ static int ohci_hcd_da8xx_drv_remove(struct platform_device *dev) }
#ifdef CONFIG_PM -static int ohci_da8xx_suspend(struct platform_device *dev, pm_message_t message) +static int ohci_da8xx_suspend(struct platform_device *pdev, + pm_message_t message) { - struct usb_hcd *hcd = platform_get_drvdata(dev); + struct usb_hcd *hcd = platform_get_drvdata(pdev); struct ohci_hcd *ohci = hcd_to_ohci(hcd); + bool do_wakeup = device_may_wakeup(&pdev->dev); + int ret;
if (time_before(jiffies, ohci->next_statechange)) msleep(5); - ohci->next_statechange = jiffies;
+ ret = ohci_suspend(hcd, do_wakeup); + if (ret) + return ret; + + ohci->next_statechange = jiffies; ohci_da8xx_clock(0); hcd->state = HC_STATE_SUSPENDED; - dev->dev.power.power_state = PMSG_SUSPEND; - return 0; + + return ret; }
static int ohci_da8xx_resume(struct platform_device *dev)