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authorGuenter Roeck <linux@roeck-us.net>2017-01-11 02:21:44 +0300
committerGuenter Roeck <linux@roeck-us.net>2017-02-25 01:00:23 +0300
commit7db1634d62d4b521c97ca3439221ee870bcc38f2 (patch)
tree92096b821b3f83137c8665e1986c6003f6d91733 /drivers/watchdog/aspeed_wdt.c
parent9e14375880c4a64e190b296023f52e987cb9d33e (diff)
downloadlinux-7db1634d62d4b521c97ca3439221ee870bcc38f2.tar.xz
watchdog: aspeed_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 - Drop assignments to otherwise unused variables - Drop remove function - Drop platform_set_drvdata() - Use devm_watchdog_register_driver() to register watchdog device Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/watchdog/aspeed_wdt.c')
-rw-r--r--drivers/watchdog/aspeed_wdt.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
index f5ad8023c2e6..1c652582de40 100644
--- a/drivers/watchdog/aspeed_wdt.c
+++ b/drivers/watchdog/aspeed_wdt.c
@@ -136,15 +136,6 @@ static const struct watchdog_info aspeed_wdt_info = {
.identity = KBUILD_MODNAME,
};
-static int aspeed_wdt_remove(struct platform_device *pdev)
-{
- struct aspeed_wdt *wdt = platform_get_drvdata(pdev);
-
- watchdog_unregister_device(&wdt->wdd);
-
- return 0;
-}
-
static int aspeed_wdt_probe(struct platform_device *pdev)
{
struct aspeed_wdt *wdt;
@@ -187,20 +178,17 @@ static int aspeed_wdt_probe(struct platform_device *pdev)
set_bit(WDOG_HW_RUNNING, &wdt->wdd.status);
}
- ret = watchdog_register_device(&wdt->wdd);
+ ret = devm_watchdog_register_device(&pdev->dev, &wdt->wdd);
if (ret) {
dev_err(&pdev->dev, "failed to register\n");
return ret;
}
- platform_set_drvdata(pdev, wdt);
-
return 0;
}
static struct platform_driver aspeed_watchdog_driver = {
.probe = aspeed_wdt_probe,
- .remove = aspeed_wdt_remove,
.driver = {
.name = KBUILD_MODNAME,
.of_match_table = of_match_ptr(aspeed_wdt_of_table),