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| author |   Chen Ni <nichen@iscas.ac.cn> | 2025-03-13 16:44:19 +0800 |
|---|---|---|
| committer |   Wim Van Sebroeck <wim@linux-watchdog.org> | 2025-03-16 11:00:32 +0100 |
| commit | ad3746700ae238a96a9a4244d02a2e8eb00f157e (patch) | |
| tree | 0f4e80f29cd0a2e87c6903c0b87edc811c4b8a52 | |
| parent | dt-bindings: watchdog: renesas,wdt: Document RZ/G3E support (diff) | |
| download | wireguard-linux-ad3746700ae238a96a9a4244d02a2e8eb00f157e.tar.xz wireguard-linux-ad3746700ae238a96a9a4244d02a2e8eb00f157e.zip | |
watchdog: npcm: Remove unnecessary NULL check before clk_prepare_enable/clk_disable_unprepare
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@iscas.ac.cn>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250313084420.2481763-1-nichen@iscas.ac.cn
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
| -rw-r--r-- | drivers/watchdog/npcm_wdt.c | 9 |
1 files 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); |