greybus: gpio: use dev_err and dev_warn

Use the more informative dev_err and dev_warn for messages, and make the
messages more uniform.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Johan Hovold 2015-03-19 16:51:16 +01:00 • committed by Greg Kroah-Hartman
commit e5032d8511