From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Mon, 21 Dec 2009 22:58:14 +0000 (+0200)
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=bec1427321ce00e4e974da896b1c1dd924fae1d9;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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