From: Stefan Wahren <stefan.wahren@i2se.com>
Date: Mon, 15 Jun 2015 04:37:00 +0000 (+0000)
Subject: usb: phy: mxs: suspend to RAM causes NULL pointer dereference
X-Git-Tag: omap-for-v4.3/fixes-merge-window~230^2~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=543aa4867d4a2dff5fc11e1b688197ee3bad7f89;p=pandora-kernel.git

usb: phy: mxs: suspend to RAM causes NULL pointer dereference

Triggering suspend to RAM via sysfs on a i.MX28 causes a NULL pointer
dereference. This patch avoids the oops in mxs_phy_get_vbus_status()
by aborting since there is no syscon available.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fixes: efdbd3a5d6e ("usb: phy: mxs: do not set PWD.RXPWD1PT1 for low speed connection")
CC: <stable@vger.kernel.org> # 4.0
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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