WD_TIMER_CLK 23 drivers/watchdog/txx9wdt.c #define WD_MAX_TIMEOUT ((0xffffffff >> (32 - TXX9_TIMER_BITS)) / WD_TIMER_CLK) WD_TIMER_CLK 54 drivers/watchdog/txx9wdt.c __raw_writel(WD_TIMER_CLK * wdt_dev->timeout, &txx9wdt_reg->cpra);