Commits
Dan Carpenter committed 14d653af4e3
mailbox/xgene-slimpro: Checking for IS_ERR instead of NULL
devm_ioremap() returns NULL, it never returns an ERR_PTR.
Fixes: f700e84f417b ('mailbox: Add support for APM X-Gene platform mailbox driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>