From a8a9b98057458cfcbf145af647916ca9f1a63ccb Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Sat, 31 Dec 2022 15:25:31 +0100 Subject: [PATCH] watchdog: pnx4008: Use devm_clk_get_enabled() helper The devm_clk_get_enabled() helper: - calls devm_clk_get() - calls clk_prepare_enable() and registers what is needed in order to call clk_disable_unprepare() when needed, as a managed resource. This simplifies the code and avoids the need of a dedicated function used with devm_add_action_or_reset(). Signed-off-by: Christophe JAILLET Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/61f4e39db4c88408ee0149580e9aa925b784bc93.1672496714.git.christophe.jaillet@wanadoo.fr Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/pnx4008_wdt.c | 15 +-------------- 1 file changed, 1 insertion(+), 14 deletions(-) diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c index e0ea133..87a44a5 100644 --- a/drivers/watchdog/pnx4008_wdt.c +++ b/drivers/watchdog/pnx4008_wdt.c @@ -179,11 +179,6 @@ static struct watchdog_device pnx4008_wdd = { .max_timeout = MAX_HEARTBEAT, }; -static void pnx4008_clk_disable_unprepare(void *data) -{ - clk_disable_unprepare(data); -} - static int pnx4008_wdt_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -195,18 +190,10 @@ static int pnx4008_wdt_probe(struct platform_device *pdev) if (IS_ERR(wdt_base)) return PTR_ERR(wdt_base); - wdt_clk = devm_clk_get(dev, NULL); + wdt_clk = devm_clk_get_enabled(dev, NULL); if (IS_ERR(wdt_clk)) return PTR_ERR(wdt_clk); - ret = clk_prepare_enable(wdt_clk); - if (ret) - return ret; - ret = devm_add_action_or_reset(dev, pnx4008_clk_disable_unprepare, - wdt_clk); - if (ret) - return ret; - pnx4008_wdd.bootstatus = (readl(WDTIM_RES(wdt_base)) & WDOG_RESET) ? WDIOF_CARDRESET : 0; pnx4008_wdd.parent = dev; -- 2.7.4