This is a note to let you know that I've just added the patch titled
usb: dwc3: pci: PHY should be deleted later than dwc3 core
to the 3.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-dwc3-pci-phy-should-be-deleted-later-than-dwc3-core.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From f28c42c576b293b3a1daaed8ca2775ebc2fe5398 Mon Sep 17 00:00:00 2001
From: Peter Chen <[email protected]>
Date: Fri, 24 May 2013 14:29:20 +0800
Subject: usb: dwc3: pci: PHY should be deleted later than dwc3 core
From: Peter Chen <[email protected]>
commit f28c42c576b293b3a1daaed8ca2775ebc2fe5398 upstream.
If the glue layer is removed first (core layer later),
it deletes the phy device first, then the core device.
But at core's removal, it still uses PHY's resources, it may
cause kernel's oops. It is much like the problem
Paul Zimmerman reported at:
http://marc.info/?l=linux-usb&m=136547502011472&w=2.
Besides, it is reasonable the PHY is deleted at last as
the controller is the PHY's user.
Signed-off-by: Peter Chen <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/usb/dwc3/dwc3-pci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -196,9 +196,9 @@ static void dwc3_pci_remove(struct pci_d
{
struct dwc3_pci *glue = pci_get_drvdata(pci);
+ platform_device_unregister(glue->dwc3);
platform_device_unregister(glue->usb2_phy);
platform_device_unregister(glue->usb3_phy);
- platform_device_unregister(glue->dwc3);
pci_set_drvdata(pci, NULL);
pci_disable_device(pci);
}
Patches currently in stable-queue which might be from [email protected]
are
queue-3.9/usb-dwc3-pci-phy-should-be-deleted-later-than-dwc3-core.patch
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