diff options
| author | Hoan Nguyen An <na-hoan@jinso.co.jp> | 2019-05-23 11:29:38 +0200 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2019-07-08 16:10:11 +0200 |
| commit | b7fbd3e55c0f842551445d6dbe3dd92ab155b2e8 (patch) | |
| tree | c8d1fb508d39c969249490a7fe4a0e702a27bfba | |
| parent | dt-bindings: watchdog: add Allwinner H6 watchdog (diff) | |
| download | linux-b7fbd3e55c0f842551445d6dbe3dd92ab155b2e8.tar.xz linux-b7fbd3e55c0f842551445d6dbe3dd92ab155b2e8.zip | |
watchdog: renesas_wdt: Use 'dev' instead of dereferencing it repeatedly
Add helper variable dev = &pdev->dev
Signed-off-by: Hoan Nguyen An <na-hoan@jinso.co.jp>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
| -rw-r--r-- | drivers/watchdog/renesas_wdt.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/watchdog/renesas_wdt.c b/drivers/watchdog/renesas_wdt.c index 565dbc1ec638..d8ac2299400b 100644 --- a/drivers/watchdog/renesas_wdt.c +++ b/drivers/watchdog/renesas_wdt.c @@ -175,15 +175,16 @@ static inline bool rwdt_blacklisted(struct device *dev) { return false; } static int rwdt_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct rwdt_priv *priv; struct clk *clk; unsigned long clks_per_sec; int ret, i; - if (rwdt_blacklisted(&pdev->dev)) + if (rwdt_blacklisted(dev)) return -ENODEV; - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -191,16 +192,16 @@ static int rwdt_probe(struct platform_device *pdev) if (IS_ERR(priv->base)) return PTR_ERR(priv->base); - clk = devm_clk_get(&pdev->dev, NULL); + clk = devm_clk_get(dev, NULL); if (IS_ERR(clk)) return PTR_ERR(clk); - pm_runtime_enable(&pdev->dev); - pm_runtime_get_sync(&pdev->dev); + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); priv->clk_rate = clk_get_rate(clk); priv->wdev.bootstatus = (readb_relaxed(priv->base + RWTCSRA) & RWTCSRA_WOVF) ? WDIOF_CARDRESET : 0; - pm_runtime_put(&pdev->dev); + pm_runtime_put(dev); if (!priv->clk_rate) { ret = -ENOENT; @@ -216,14 +217,14 @@ static int rwdt_probe(struct platform_device *pdev) } if (i < 0) { - dev_err(&pdev->dev, "Can't find suitable clock divider\n"); + dev_err(dev, "Can't find suitable clock divider\n"); ret = -ERANGE; goto out_pm_disable; } priv->wdev.info = &rwdt_ident; priv->wdev.ops = &rwdt_ops; - priv->wdev.parent = &pdev->dev; + priv->wdev.parent = dev; priv->wdev.min_timeout = 1; priv->wdev.max_timeout = DIV_BY_CLKS_PER_SEC(priv, 65536); priv->wdev.timeout = min(priv->wdev.max_timeout, RWDT_DEFAULT_TIMEOUT); @@ -235,7 +236,7 @@ static int rwdt_probe(struct platform_device *pdev) watchdog_stop_on_unregister(&priv->wdev); /* This overrides the default timeout only if DT configuration was found */ - watchdog_init_timeout(&priv->wdev, 0, &pdev->dev); + watchdog_init_timeout(&priv->wdev, 0, dev); ret = watchdog_register_device(&priv->wdev); if (ret < 0) @@ -244,7 +245,7 @@ static int rwdt_probe(struct platform_device *pdev) return 0; out_pm_disable: - pm_runtime_disable(&pdev->dev); + pm_runtime_disable(dev); return ret; } |