tree 740d3db7dc54ca4a53d5b6a896b460af3630637e
parent b836005b4f95cccdc1f53849a31cac2dc375f4b7
author Anson Huang <Anson.Huang@nxp.com> 1558940597 +0800
committer Wim Van Sebroeck <wim@linux-watchdog.org> 1562608537 +0200

watchdog: imx_sc: Add pretimeout support

i.MX system controller watchdog can support pretimeout IRQ
via general SCU MU IRQ, it depends on IMX_SCU and driver MUST
be probed after SCU IPC ready, then enable corresponding SCU
IRQ group and register SCU IRQ notifier, when watchdog pretimeout
IRQ fires, SCU MU IRQ will be handled and watchdog pretimeout
notifier will be called to handle the event.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>