The patch below does not apply to the 3.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From dc99f16f076559235c92d3eb66d03d1310faea08 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@xxxxxx>
Date: Wed, 3 Sep 2014 16:13:37 -0500
Subject: [PATCH] usb: dwc3: core: fix ordering for PHY suspend
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)
Cc: <stable@xxxxxxxxxxxxxxx> # v3.9+
Suggested-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index a664d5b5bdfd..9069984fe5cf 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -799,15 +799,16 @@ 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);
--
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