[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: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 3b1cfe93948..acde8868da2 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -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;
 }