lkml.org 
[lkml]   [2017]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 23/62] watchdog: intel-mid_wdt: Convert to use device managed functions
On Wed, Jan 11, 2017 at 1:34 AM, Guenter Roeck <linux@roeck-us.net> wrote:
> Use device managed functions to simplify error handling, reduce
> source code size, improve readability, and reduce the likelyhood of bugs.
>
> The conversion was done automatically with coccinelle using the
> following semantic patches. The semantic patches and the scripts used
> to generate this commit log are available at
> https://github.com/groeck/coccinelle-patches
>
> - Drop assignments to otherwise unused variables
> - Drop remove function
> - Drop platform_set_drvdata()
> - Use devm_watchdog_register_driver() to register watchdog device

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
> drivers/watchdog/intel-mid_wdt.c | 11 +----------
> 1 file changed, 1 insertion(+), 10 deletions(-)
>
> diff --git a/drivers/watchdog/intel-mid_wdt.c b/drivers/watchdog/intel-mid_wdt.c
> index a4b729259b12..45e4d02221b5 100644
> --- a/drivers/watchdog/intel-mid_wdt.c
> +++ b/drivers/watchdog/intel-mid_wdt.c
> @@ -137,7 +137,6 @@ static int mid_wdt_probe(struct platform_device *pdev)
> wdt_dev->parent = &pdev->dev;
>
> watchdog_set_drvdata(wdt_dev, &pdev->dev);
> - platform_set_drvdata(pdev, wdt_dev);
>
> ret = devm_request_irq(&pdev->dev, pdata->irq, mid_wdt_irq,
> IRQF_SHARED | IRQF_NO_SUSPEND, "watchdog",
> @@ -151,7 +150,7 @@ static int mid_wdt_probe(struct platform_device *pdev)
> /* Make sure the watchdog is not running */
> wdt_stop(wdt_dev);
>
> - ret = watchdog_register_device(wdt_dev);
> + ret = devm_watchdog_register_device(&pdev->dev, wdt_dev);
> if (ret) {
> dev_err(&pdev->dev, "error registering watchdog device\n");
> return ret;
> @@ -162,16 +161,8 @@ static int mid_wdt_probe(struct platform_device *pdev)
> return 0;
> }
>
> -static int mid_wdt_remove(struct platform_device *pdev)
> -{
> - struct watchdog_device *wd = platform_get_drvdata(pdev);
> - watchdog_unregister_device(wd);
> - return 0;
> -}
> -
> static struct platform_driver mid_wdt_driver = {
> .probe = mid_wdt_probe,
> - .remove = mid_wdt_remove,
> .driver = {
> .name = "intel_mid_wdt",
> },
> --
> 2.7.4
>



--
With Best Regards,
Andy Shevchenko

\
 
 \ /
  Last update: 2017-01-12 00:36    [W:0.353 / U:6.356 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site