watchdog: imgpdc: Add some documentation about the timeout
authorEzequiel Garcia <ezequiel.garcia@imgtec.com>
Mon, 11 May 2015 17:41:05 +0000 (14:41 -0300)
committerWim Van Sebroeck <wim@iguana.be>
Mon, 22 Jun 2015 13:54:15 +0000 (15:54 +0200)
commitc1f263878e99e44c6e23fee0dfe01ef05ad83024
tree889bdb164bc69be54df39ff51d1cfd5c146dcdbe
parentdeb8d50eb40085d304b42a524d4ba326fcecc73d
watchdog: imgpdc: Add some documentation about the timeout

This watchdog hardware can be configured in terms of power-of-two
clock cycles. Therefore, the watchdog timeout configured by the user
will be rounded-up to the next possible hardware timeout.

This commit adds a comment explaining this.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
drivers/watchdog/imgpdc_wdt.c