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USB: OHCI: Properly handle ohci-sm501 suspend 

Suspend scenario in case of ohci-sm501 glue was not
properly handled as it was not suspending generic part
of ohci controller.  Alan Stern suggested, properly
handle ohci-sm501 suspend scenario.

Calling explicitly the ohci_suspend() routine in
ohci_sm501_suspend() will ensure proper handling of suspend
scenario.

Signed-off-by: Manjunath Goudar <manjunath.goudar@linaro.org>
Signed-off-by: Manjunath Goudar <csmanjuvijay@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Manjunath Goudar 2013-10-04 09:58:16 +05:30 committed by Greg Kroah-Hartman
parent 4ceaa893be
commit f3c60599d6
1 changed files with 9 additions and 2 deletions
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11
drivers/usb/host/ohci-sm501.c
View File

@ -216,14 +216,21 @@ static int ohci_hcd_sm501_drv_remove(struct platform_device *pdev)
static int ohci_sm501_suspend(struct platform_device *pdev, pm_message_t msg)
{
struct device *dev = &pdev->dev;
struct ohci_hcd *ohci = hcd_to_ohci(platform_get_drvdata(pdev));
struct usb_hcd *hcd = platform_get_drvdata(pdev);
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
bool do_wakeup = device_may_wakeup(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;
sm501_unit_power(dev->parent, SM501_GATE_USB_HOST, 0);
return 0;
return ret;
}
static int ohci_sm501_resume(struct platform_device *pdev)