From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Tue, 27 Apr 2010 01:20:43 +0000 (-0700)
Subject: cbus: handle possible errors on cbus_send/receive_bit
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb05a0ea303ecd7f99ca2df6ac6edb545877121e;p=pandora-kernel.git

cbus: handle possible errors on cbus_send/receive_bit

gpio_direction_input might fail and we have
to handle that possibility. While at that,
also add the device pointer to struct cbus_host
and use that for printing debugging messages and
make cbus_receive_bit return int.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
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