also, check for a valid pad_ctrl_ofs before changing the pad control register. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This iomux is called iomux-v3 in the tree because it is the third known incarnation of MXC iomuxers. It is not only found on the MX35 but also on the MX51 and probably others. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>