clk_prepare_enable() and clk_disable_unprepare() already checked NULL clock parameter.Remove unneeded NULL check for clk here. Signed-off-by: Chen Ni <nichen@xxxxxxxxxxx> --- drivers/watchdog/npcm_wdt.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/watchdog/npcm_wdt.c b/drivers/watchdog/npcm_wdt.c index a5dd1c230137..e62ea054bc61 100644 --- a/drivers/watchdog/npcm_wdt.c +++ b/drivers/watchdog/npcm_wdt.c @@ -68,8 +68,7 @@ static int npcm_wdt_start(struct watchdog_device *wdd) struct npcm_wdt *wdt = to_npcm_wdt(wdd); u32 val; - if (wdt->clk) - clk_prepare_enable(wdt->clk); + clk_prepare_enable(wdt->clk); if (wdd->timeout < 2) val = 0x800; @@ -105,8 +104,7 @@ static int npcm_wdt_stop(struct watchdog_device *wdd) writel(0, wdt->reg); - if (wdt->clk) - clk_disable_unprepare(wdt->clk); + clk_disable_unprepare(wdt->clk); return 0; } @@ -156,8 +154,7 @@ static int npcm_wdt_restart(struct watchdog_device *wdd, struct npcm_wdt *wdt = to_npcm_wdt(wdd); /* For reset, we start the WDT clock and leave it running. */ - if (wdt->clk) - clk_prepare_enable(wdt->clk); + clk_prepare_enable(wdt->clk); writel(NPCM_WTR | NPCM_WTRE | NPCM_WTE, wdt->reg); udelay(1000); -- 2.25.1
