imx: wdog: correct wcr register settings
authorPeng Fan <Peng.Fan@freescale.com>
Mon, 14 Sep 2015 05:34:44 +0000 (13:34 +0800)
committerStefano Babic <sbabic@denx.de>
Sun, 20 Sep 2015 07:39:35 +0000 (09:39 +0200)
commit623d96e89aca64c2762150087f4e872c55481f13
tree2e5b5b45143720e6352ebe854580eb7f956bc1f6
parentc3c8a5748897b24f18618047804317167a531dd3
imx: wdog: correct wcr register settings

We should not simple use "writew(WCR_WDE, &wdog->wcr)" to set
wcr, since this will override bits set before reset_cpu.

Use clrsetbits_le16 instead of writew to fix this issue.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
drivers/watchdog/imx_watchdog.c