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
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+7 −4
Original line number Original line 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);
	struct usb_hcd *hcd = platform_get_drvdata(pdev);


	usb_hcd_pxa27x_remove(hcd, pdev);
	usb_hcd_pxa27x_remove(hcd, pdev);
	platform_set_drvdata(pdev, NULL);
	return 0;
	return 0;
}
}


#ifdef	CONFIG_PM
#ifdef	CONFIG_PM
static int ohci_hcd_pxa27x_drv_suspend(struct platform_device *pdev, pm_message_t state)
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))
	if (time_before(jiffies, ohci->next_statechange))
		msleep(5);
		msleep(5);
	ohci->next_statechange = jiffies;
	ohci->next_statechange = jiffies;


	pxa27x_stop_hc(&pdev->dev);
	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;
	pdev->dev.power.power_state = PMSG_SUSPEND;


	return 0;
	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)
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;
	int status;


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


	pdev->dev.power.power_state = PMSG_ON;
	pdev->dev.power.power_state = PMSG_ON;
	usb_hcd_resume_root_hub(platform_get_drvdata(pdev));
	usb_hcd_resume_root_hub(hcd);


	return 0;
	return 0;
}
}