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Commit a5e36d20 authored by Richard Purdie's avatar Richard Purdie Committed by Greg Kroah-Hartman
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[PATCH] USB: Correct ohci-pxa27x suspend/resume struct confusion 



The device data in ohci-pxa27x is a struct hcd, not a struct ohci_hcd.
This correct the suspend/resume calls to account for this and adds some
code to invalidate the platform data when the module is removed.

Signed-off-by: default avatarRichard Purdie <rpurdie@rpsys.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 4c4c9432

drivers/usb/host/ohci-pxa27x.c

+7 −4
Original line number Diff line number Diff line
@@ -309,20 +309,22 @@ static int ohci_hcd_pxa27x_drv_remove(struct platform_device *pdev) 
	struct usb_hcd *hcd = platform_get_drvdata(pdev);



	usb_hcd_pxa27x_remove(hcd, pdev);

	platform_set_drvdata(pdev, NULL);

	return 0;

}



#ifdef	CONFIG_PM

static int ohci_hcd_pxa27x_drv_suspend(struct platform_device *pdev, pm_message_t state)

{

	struct ohci_hcd *ohci = platform_get_drvdata(pdev);

	struct usb_hcd *hcd = platform_get_drvdata(pdev);

	struct ohci_hcd *ohci = hcd_to_ohci(hcd);



	if (time_before(jiffies, ohci->next_statechange))

		msleep(5);

	ohci->next_statechange = jiffies;



	pxa27x_stop_hc(&pdev->dev);

	ohci_to_hcd(ohci)->state = HC_STATE_SUSPENDED;

	hcd->state = HC_STATE_SUSPENDED;

	pdev->dev.power.power_state = PMSG_SUSPEND;



	return 0;
@@ -330,7 +332,8 @@ static int ohci_hcd_pxa27x_drv_suspend(struct platform_device *pdev, pm_message_ 


static int ohci_hcd_pxa27x_drv_resume(struct platform_device *pdev)

{

	struct ohci_hcd	*ohci = platform_get_drvdata(pdev);

	struct usb_hcd *hcd = platform_get_drvdata(pdev);

	struct ohci_hcd *ohci = hcd_to_ohci(hcd);

	int status;



	if (time_before(jiffies, ohci->next_statechange))
@@ -341,7 +344,7 @@ static int ohci_hcd_pxa27x_drv_resume(struct platform_device *pdev) 
		return status;



	pdev->dev.power.power_state = PMSG_ON;

	usb_hcd_resume_root_hub(platform_get_drvdata(pdev));

	usb_hcd_resume_root_hub(hcd);



	return 0;

}