diff options
Diffstat (limited to 'drivers/watchdog/lpc18xx_wdt.c')
-rw-r--r-- | drivers/watchdog/lpc18xx_wdt.c | 30 |
1 files changed, 2 insertions, 28 deletions
diff --git a/drivers/watchdog/lpc18xx_wdt.c b/drivers/watchdog/lpc18xx_wdt.c index 60b6d74f267d..1b9b5f21a0df 100644 --- a/drivers/watchdog/lpc18xx_wdt.c +++ b/drivers/watchdog/lpc18xx_wdt.c @@ -197,16 +197,10 @@ static const struct watchdog_ops lpc18xx_wdt_ops = { .restart = lpc18xx_wdt_restart, }; -static void lpc18xx_clk_disable_unprepare(void *data) -{ - clk_disable_unprepare(data); -} - static int lpc18xx_wdt_probe(struct platform_device *pdev) { struct lpc18xx_wdt_dev *lpc18xx_wdt; struct device *dev = &pdev->dev; - int ret; lpc18xx_wdt = devm_kzalloc(dev, sizeof(*lpc18xx_wdt), GFP_KERNEL); if (!lpc18xx_wdt) @@ -216,38 +210,18 @@ static int lpc18xx_wdt_probe(struct platform_device *pdev) if (IS_ERR(lpc18xx_wdt->base)) return PTR_ERR(lpc18xx_wdt->base); - lpc18xx_wdt->reg_clk = devm_clk_get(dev, "reg"); + lpc18xx_wdt->reg_clk = devm_clk_get_enabled(dev, "reg"); if (IS_ERR(lpc18xx_wdt->reg_clk)) { dev_err(dev, "failed to get the reg clock\n"); return PTR_ERR(lpc18xx_wdt->reg_clk); } - lpc18xx_wdt->wdt_clk = devm_clk_get(dev, "wdtclk"); + lpc18xx_wdt->wdt_clk = devm_clk_get_enabled(dev, "wdtclk"); if (IS_ERR(lpc18xx_wdt->wdt_clk)) { dev_err(dev, "failed to get the wdt clock\n"); return PTR_ERR(lpc18xx_wdt->wdt_clk); } - ret = clk_prepare_enable(lpc18xx_wdt->reg_clk); - if (ret) { - dev_err(dev, "could not prepare or enable sys clock\n"); - return ret; - } - ret = devm_add_action_or_reset(dev, lpc18xx_clk_disable_unprepare, - lpc18xx_wdt->reg_clk); - if (ret) - return ret; - - ret = clk_prepare_enable(lpc18xx_wdt->wdt_clk); - if (ret) { - dev_err(dev, "could not prepare or enable wdt clock\n"); - return ret; - } - ret = devm_add_action_or_reset(dev, lpc18xx_clk_disable_unprepare, - lpc18xx_wdt->wdt_clk); - if (ret) - return ret; - /* We use the clock rate to calculate timeouts */ lpc18xx_wdt->clk_rate = clk_get_rate(lpc18xx_wdt->wdt_clk); if (lpc18xx_wdt->clk_rate == 0) { |