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watchdog: tegra_wdt: Convert to use device managed functions 

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

- Use devm_watchdog_register_driver() to register watchdog device

Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2017-01-10 18:09:11 -08:00
parent 64b849e28b
commit 4b448c96a7
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/watchdog/tegra_wdt.c
View File

@ -226,7 +226,7 @@ static int tegra_wdt_probe(struct platform_device *pdev)
watchdog_set_nowayout(wdd, nowayout);
ret = watchdog_register_device(wdd);
ret = devm_watchdog_register_device(&pdev->dev, wdd);
if (ret) {
dev_err(&pdev->dev,
"failed to register watchdog device\n");
@ -248,8 +248,6 @@ static int tegra_wdt_remove(struct platform_device *pdev)
tegra_wdt_stop(&wdt->wdd);
watchdog_unregister_device(&wdt->wdd);
dev_info(&pdev->dev, "removed wdt\n");
return 0;