Use the prescaler index, rather than its value, to configure the watchdog.
This will prevent a mismatch with the prescaler used to calculate the cycles.
Signed-off-by: NPer Gundberg <per.gundberg@icomera.com>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Reviewed-by: NMichael Brunner <michael.brunner@kontron.com>
Tested-by: NMichael Brunner <michael.brunner@kontron.com>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
Cc: stable <stable@vger.kernel.org>