diff options
| author |   Anson Huang <Anson.Huang@nxp.com> | 2019-09-24 15:07:08 +0800 |
|---|---|---|
| committer |   Wim Van Sebroeck <wim@linux-watchdog.org> | 2019-11-18 19:53:39 +0100 |
| commit | 86865322d227c82dd6edc5970d5b554a391fb2eb (patch) | |
| tree | f00a7036a130f217264891f1772c384d5494e945 /drivers/watchdog | |
| parent | watchdog: imx2_wdt: Use __maybe_unused instead of #if CONFIG_PM_SLEEP (diff) | |
| download | linux-dev-86865322d227c82dd6edc5970d5b554a391fb2eb.tar.xz linux-dev-86865322d227c82dd6edc5970d5b554a391fb2eb.zip | |
watchdog: imx2_wdt: Use 'dev' instead of dereferencing it repeatedly
Add helper variable dev = &pdev->dev to simply the code.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/1569308828-8320-3-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/imx2_wdt.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index 034f32c0a84e..f8d58bf0bf66 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c @@ -246,13 +246,14 @@ static const struct regmap_config imx2_wdt_regmap_config = { static int __init imx2_wdt_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct imx2_wdt_device *wdev; struct watchdog_device *wdog; void __iomem *base; int ret; u32 val; - wdev = devm_kzalloc(&pdev->dev, sizeof(*wdev), GFP_KERNEL); + wdev = devm_kzalloc(dev, sizeof(*wdev), GFP_KERNEL); if (!wdev) return -ENOMEM; @@ -260,16 +261,16 @@ static int __init imx2_wdt_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - wdev->regmap = devm_regmap_init_mmio_clk(&pdev->dev, NULL, base, + wdev->regmap = devm_regmap_init_mmio_clk(dev, NULL, base, &imx2_wdt_regmap_config); if (IS_ERR(wdev->regmap)) { - dev_err(&pdev->dev, "regmap init failed\n"); + dev_err(dev, "regmap init failed\n"); return PTR_ERR(wdev->regmap); } - wdev->clk = devm_clk_get(&pdev->dev, NULL); + wdev->clk = devm_clk_get(dev, NULL); if (IS_ERR(wdev->clk)) { - dev_err(&pdev->dev, "can't get Watchdog clock\n"); + dev_err(dev, "can't get Watchdog clock\n"); return PTR_ERR(wdev->clk); } @@ -279,12 +280,12 @@ static int __init imx2_wdt_probe(struct platform_device *pdev) wdog->min_timeout = 1; wdog->timeout = IMX2_WDT_DEFAULT_TIME; wdog->max_hw_heartbeat_ms = IMX2_WDT_MAX_TIME * 1000; - wdog->parent = &pdev->dev; + wdog->parent = dev; ret = platform_get_irq(pdev, 0); if (ret > 0) - if (!devm_request_irq(&pdev->dev, ret, imx2_wdt_isr, 0, - dev_name(&pdev->dev), wdog)) + if (!devm_request_irq(dev, ret, imx2_wdt_isr, 0, + dev_name(dev), wdog)) wdog->info = &imx2_wdt_pretimeout_info; ret = clk_prepare_enable(wdev->clk); @@ -294,13 +295,13 @@ static int __init imx2_wdt_probe(struct platform_device *pdev) regmap_read(wdev->regmap, IMX2_WDT_WRSR, &val); wdog->bootstatus = val & IMX2_WDT_WRSR_TOUT ? WDIOF_CARDRESET : 0; - wdev->ext_reset = of_property_read_bool(pdev->dev.of_node, + wdev->ext_reset = of_property_read_bool(dev->of_node, "fsl,ext-reset-output"); platform_set_drvdata(pdev, wdog); watchdog_set_drvdata(wdog, wdev); watchdog_set_nowayout(wdog, nowayout); watchdog_set_restart_priority(wdog, 128); - watchdog_init_timeout(wdog, timeout, &pdev->dev); + watchdog_init_timeout(wdog, timeout, dev); if (imx2_wdt_is_running(wdev)) { imx2_wdt_set_timeout(wdog, wdog->timeout); @@ -318,7 +319,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev) if (ret) goto disable_clk; - dev_info(&pdev->dev, "timeout %d sec (nowayout=%d)\n", + dev_info(dev, "timeout %d sec (nowayout=%d)\n", wdog->timeout, nowayout); return 0; |