Patch "phy: twl4030-usb: Relase usb phy on unload" has been added to the 3.14-stable tree

Patch "phy: twl4030-usb: Relase usb phy on unload" has been added to the 3.14-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    phy: twl4030-usb: Relase usb phy on unload

to the 3.14-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:
     phy-twl4030-usb-relase-usb-phy-on-unload.patch
and it can be found in the queue-3.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From b241d31ef2f6a289d33dcaa004714b26e06f476f Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Mon, 30 Nov 2015 21:39:53 -0800
Subject: phy: twl4030-usb: Relase usb phy on unload

From: Tony Lindgren <tony@atomide.com>

commit b241d31ef2f6a289d33dcaa004714b26e06f476f upstream.

Otherwise rmmod omap2430; rmmod phy-twl4030-usb; modprobe omap2430
will try to use a non-existing phy and oops:

Unable to handle kernel paging request at virtual address b6f7c1f0
...
[<c048a284>] (devm_usb_get_phy_by_node) from [<bf0758ac>]
(omap2430_musb_init+0x44/0x2b4 [omap2430])
[<bf0758ac>] (omap2430_musb_init [omap2430]) from [<bf055ec0>]
(musb_init_controller+0x194/0x878 [musb_hdrc])

Cc: Bin Liu <b-liu@ti.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: NeilBrown <neil@brown.name>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/phy/phy-twl4030-usb.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/phy/phy-twl4030-usb.c
+++ b/drivers/phy/phy-twl4030-usb.c
@@ -777,6 +777,7 @@ static int twl4030_usb_remove(struct pla
 	struct twl4030_usb *twl = platform_get_drvdata(pdev);
 	int val;
 
+	usb_remove_phy(&twl->phy);
 	pm_runtime_get_sync(twl->dev);
 	cancel_delayed_work(&twl->id_workaround_work);
 	device_remove_file(twl->dev, &dev_attr_vbus);


Patches currently in stable-queue which might be from tony@atomide.com are

queue-3.14/phy-twl4030-usb-relase-usb-phy-on-unload.patch