When displaying dev_err() messages it is useful to print the error value.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Acked-by: NHan Xu <han.xu@freescale.com>
[Brian: fix up "can not" at the same time]
Signed-off-by: NBrian Norris <computersforpeace@gmail.com>