From: Vivek Gautam <gautam.vivek@samsung.com>
Date: Thu, 10 Apr 2014 10:28:01 +0000 (+0530)
Subject: usb: ehci-exynos: Return immediately from suspend if ehci_suspend fails
X-Git-Tag: omap-for-v3.16/pm-signed~82^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d72175103f25783b0504f864a4f381621a789ca2;p=pandora-kernel.git

usb: ehci-exynos: Return immediately from suspend if ehci_suspend fails

Patch 'b8efdaf USB: EHCI: add check for wakeup/suspend race'
adds a check for possible race between suspend and wakeup interrupt,
and thereby it returns -EBUSY as error code if there's a wakeup
interrupt.
So the platform host controller should not proceed further with
its suspend callback, rather should return immediately to avoid
powering down the essential things, like phy.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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