From: Felipe Balbi <balbi@ti.com>
Date: Tue, 2 Sep 2014 19:57:20 +0000 (-0500)
Subject: usb: dwc3: core: fix order of PM runtime calls
X-Git-Tag: v3.2.64~80
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fbe002f7af62511e81f602497343c5a4bb8ab583;p=pandora-kernel.git

usb: dwc3: core: fix order of PM runtime calls

commit fed33afce0eda44a46ae24d93aec1b5198c0bac4 upstream.

Currently, we disable pm_runtime before all register
accesses are done, this is dangerous and might lead
to abort exceptions due to the driver trying to access
a register which is clocked by a clock which was long
gated.

Fix that by moving pm_runtime_put_sync() and pm_runtime_disable()
as the last thing we do before returning from our ->remove()
method.

Fixes: 72246da (usb: Introduce DesignWare USB3 DRD Driver)
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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