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watchdog: JZ4740: Use devm_* functions 

- Use devm_clk_get instead of clk_get
- Use devm_watchdog_register_device instead of watchdog_register_device

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
Cc: Mathieu Malaterre <malat@debian.org>
Cc: linux-watchdog@vger.kernel.org
Cc: linux-mips@linux-mips.org
Signed-off-by: James Hogan <jhogan@kernel.org>
hifive-unleashed-5.1
Paul Cercueil 2018-05-10 20:47:45 +02:00 committed by James Hogan
parent 212c105481
commit 6bdbc1f7f6
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GPG Key ID: 35CEE4862B1023F2
1 changed files with 8 additions and 19 deletions
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27
drivers/watchdog/jz4740_wdt.c
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@ -179,40 +179,29 @@ static int jz4740_wdt_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
drvdata->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(drvdata->base)) {
ret = PTR_ERR(drvdata->base);
goto err_out;
}
if (IS_ERR(drvdata->base))
return PTR_ERR(drvdata->base);
drvdata->rtc_clk = clk_get(&pdev->dev, "rtc");
drvdata->rtc_clk = devm_clk_get(&pdev->dev, "rtc");
if (IS_ERR(drvdata->rtc_clk)) {
dev_err(&pdev->dev, "cannot find RTC clock\n");
ret = PTR_ERR(drvdata->rtc_clk);
goto err_out;
return PTR_ERR(drvdata->rtc_clk);
}
ret = watchdog_register_device(&drvdata->wdt);
ret = devm_watchdog_register_device(&pdev->dev, &drvdata->wdt);
if (ret < 0)
goto err_disable_clk;
return ret;
platform_set_drvdata(pdev, drvdata);
return 0;
err_disable_clk:
clk_put(drvdata->rtc_clk);
err_out:
return ret;
return 0;
}
static int jz4740_wdt_remove(struct platform_device *pdev)
{
struct jz4740_wdt_drvdata *drvdata = platform_get_drvdata(pdev);
jz4740_wdt_stop(&drvdata->wdt);
watchdog_unregister_device(&drvdata->wdt);
clk_put(drvdata->rtc_clk);
return 0;
return jz4740_wdt_stop(&drvdata->wdt);
}
static struct platform_driver jz4740_wdt_driver = {