From 89f944c0f9abce176cf442894d29a7ab25f81c76 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Tue, 10 Jan 2017 15:21:47 -0800 Subject: [PATCH] watchdog: da9055_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 - Replace 'goto l; ... l: return e;' with 'return e;' - Drop assignments to otherwise unused variables - Drop remove function - Drop platform_set_drvdata() - Use devm_watchdog_register_driver() to register watchdog device Acked-by: Adam Thomson Signed-off-by: Guenter Roeck --- drivers/watchdog/da9055_wdt.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/drivers/watchdog/da9055_wdt.c b/drivers/watchdog/da9055_wdt.c index 4f30818cf93f..50bdd1022186 100644 --- a/drivers/watchdog/da9055_wdt.c +++ b/drivers/watchdog/da9055_wdt.c @@ -147,32 +147,19 @@ static int da9055_wdt_probe(struct platform_device *pdev) ret = da9055_wdt_stop(da9055_wdt); if (ret < 0) { dev_err(&pdev->dev, "Failed to stop watchdog, %d\n", ret); - goto err; + return ret; } - platform_set_drvdata(pdev, driver_data); - - ret = watchdog_register_device(&driver_data->wdt); + ret = devm_watchdog_register_device(&pdev->dev, &driver_data->wdt); if (ret != 0) dev_err(da9055->dev, "watchdog_register_device() failed: %d\n", ret); -err: return ret; } -static int da9055_wdt_remove(struct platform_device *pdev) -{ - struct da9055_wdt_data *driver_data = platform_get_drvdata(pdev); - - watchdog_unregister_device(&driver_data->wdt); - - return 0; -} - static struct platform_driver da9055_wdt_driver = { .probe = da9055_wdt_probe, - .remove = da9055_wdt_remove, .driver = { .name = "da9055-watchdog", }, -- 2.45.2