Suspend scenario in case of ohci-ep93xx glue was not properly handled as it was not suspending generic part of ohci controller. Calling explicitly the ohci_suspend() routine in ohci_hcd_ep93xx_drv_suspend() will ensure proper handling of suspend scenario.
Signed-off-by: Manjunath Goudar manjunath.goudar@linaro.org Acked-by: Alan Stern stern@rowland.harvard.edu Cc: Arnd Bergmann arnd@arndb.de 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". V4: -The do_wakeup and ret variable alignment is removed. --- drivers/usb/host/ohci-ep93xx.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c index 8704e9f..f0aaa48 100644 --- a/drivers/usb/host/ohci-ep93xx.c +++ b/drivers/usb/host/ohci-ep93xx.c @@ -174,13 +174,20 @@ static int ohci_hcd_ep93xx_drv_suspend(struct platform_device *pdev, pm_message_ { 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; + ep93xx_stop_hc(&pdev->dev); - return 0; + + return ret; }
static int ohci_hcd_ep93xx_drv_resume(struct platform_device *pdev)