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Commit f3c60599 authored by Manjunath Goudar's avatar Manjunath Goudar Committed by Greg Kroah-Hartman
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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: default avatarManjunath Goudar <manjunath.goudar@linaro.org>
Signed-off-by: default avatarManjunath Goudar <csmanjuvijay@gmail.com>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4ceaa893

drivers/usb/host/ohci-sm501.c

+9 −2
Original line number Diff line number Diff line
@@ -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)