From: Peter Chen <peter.chen@freescale.com>
Date: Tue, 22 Oct 2013 03:13:41 +0000 (+0800)
Subject: usb: chipidea: host: more enhancement when ci->hcd is NULL
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~66^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df101c531eb737915349a1c4b677da7db55eaf69;p=pandora-kernel.git

usb: chipidea: host: more enhancement when ci->hcd is NULL

Like http://marc.info/?l=linux-usb&m=138200449428874&w=2 said:
two more things are needed to be done:

- If host_start fails, the host_stop should not be called, so we
add check that ci->hcd is not NULL.
- if the host_start fails at the beginning, we need to consider
regulator mismatch issue.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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