[3.13.y.z extended stable] Patch "usb: dwc3: omap: fix ordering for runtime pm calls" has been added to staging queue

Kamal Mostafa kamal at canonical.com
Wed Oct 8 22:14:04 UTC 2014


This is a note to let you know that I have just added a patch titled

    usb: dwc3: omap: fix ordering for runtime pm calls

to the linux-3.13.y-queue branch of the 3.13.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue

This patch is scheduled to be released in version 3.13.11.9.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From af57e4cfad1d05ed117e0c1ee5c74088bd552ae6 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi at ti.com>
Date: Wed, 3 Sep 2014 16:42:57 -0500
Subject: usb: dwc3: omap: fix ordering for runtime pm calls

commit 81a60b7f5c143ab3cdcd9943c9b4b7c63c32fc31 upstream.

we don't to gate clocks until our children are
done with their remove path.

Fixes: af310e9 (usb: dwc3: omap: use runtime API's to enable clocks)
Signed-off-by: Felipe Balbi <balbi at ti.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/usb/dwc3/dwc3-omap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 7f7ea62..2a0422b 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -592,9 +592,9 @@ static int dwc3_omap_remove(struct platform_device *pdev)
 	if (omap->extcon_id_dev.edev)
 		extcon_unregister_interest(&omap->extcon_id_dev);
 	dwc3_omap_disable_irqs(omap);
+	device_for_each_child(&pdev->dev, NULL, dwc3_omap_remove_core);
 	pm_runtime_put_sync(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
-	device_for_each_child(&pdev->dev, NULL, dwc3_omap_remove_core);

 	return 0;
 }
--
1.9.1





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