]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
usb: dwc3: core: fix ordering for PHY suspend
authorFelipe Balbi <balbi@ti.com>
Wed, 3 Sep 2014 21:13:37 +0000 (16:13 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 5 Oct 2014 20:40:59 +0000 (13:40 -0700)
commit dc99f16f076559235c92d3eb66d03d1310faea08 upstream.

We can't suspend the PHYs before dwc3_core_exit_mode()
has been called, that's because the host and/or device
sides might still need to communicate with the far end
link partner.

Fixes: 8ba007a (usb: dwc3: core: enable the USB2 and USB3 phy in probe)
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/dwc3/core.c

index 81e7a0cf239786639b12878ac25ed360f89300d5..52b30c5b000e3828d3ecf41aced3e38f165b6d3d 100644 (file)
@@ -786,15 +786,16 @@ static int dwc3_remove(struct platform_device *pdev)
 {
        struct dwc3     *dwc = platform_get_drvdata(pdev);
 
+       dwc3_debugfs_exit(dwc);
+       dwc3_core_exit_mode(dwc);
+       dwc3_event_buffers_cleanup(dwc);
+       dwc3_free_event_buffers(dwc);
+
        usb_phy_set_suspend(dwc->usb2_phy, 1);
        usb_phy_set_suspend(dwc->usb3_phy, 1);
        phy_power_off(dwc->usb2_generic_phy);
        phy_power_off(dwc->usb3_generic_phy);
 
-       dwc3_debugfs_exit(dwc);
-       dwc3_core_exit_mode(dwc);
-       dwc3_event_buffers_cleanup(dwc);
-       dwc3_free_event_buffers(dwc);
        dwc3_core_exit(dwc);
 
        pm_runtime_put_sync(&pdev->dev);