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path: root/drivers/watchdog/coh901327_wdt.c
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Diffstat (limited to 'drivers/watchdog/coh901327_wdt.c')
-rw-r--r--drivers/watchdog/coh901327_wdt.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c
index 6876430a9f5..4bd070f524e 100644
--- a/drivers/watchdog/coh901327_wdt.c
+++ b/drivers/watchdog/coh901327_wdt.c
@@ -263,6 +263,7 @@ static int __exit coh901327_remove(struct platform_device *pdev)
watchdog_unregister_device(&coh901327_wdt);
coh901327_disable();
free_irq(irq, pdev);
+ clk_unprepare(clk);
clk_put(clk);
iounmap(virtbase);
release_mem_region(phybase, physize);
@@ -300,9 +301,9 @@ static int __init coh901327_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "could not get clock\n");
goto out_no_clk;
}
- ret = clk_enable(clk);
+ ret = clk_prepare_enable(clk);
if (ret) {
- dev_err(&pdev->dev, "could not enable clock\n");
+ dev_err(&pdev->dev, "could not prepare and enable clock\n");
goto out_no_clk_enable;
}
@@ -353,9 +354,9 @@ static int __init coh901327_probe(struct platform_device *pdev)
clk_disable(clk);
- if (margin < 1 || margin > 327)
- margin = 60;
- coh901327_wdt.timeout = margin;
+ ret = watchdog_init_timeout(&coh901327_wdt, margin, &pdev->dev);
+ if (ret < 0)
+ coh901327_wdt.timeout = 60;
ret = watchdog_register_device(&coh901327_wdt);
if (ret == 0)
@@ -369,7 +370,7 @@ static int __init coh901327_probe(struct platform_device *pdev)
out_no_wdog:
free_irq(irq, pdev);
out_no_irq:
- clk_disable(clk);
+ clk_disable_unprepare(clk);
out_no_clk_enable:
clk_put(clk);
out_no_clk:
@@ -440,27 +441,23 @@ void coh901327_watchdog_reset(void)
/* Return and await doom */
}
+static const struct of_device_id coh901327_dt_match[] = {
+ { .compatible = "stericsson,coh901327" },
+ {},
+};
+
static struct platform_driver coh901327_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "coh901327_wdog",
+ .of_match_table = coh901327_dt_match,
},
.remove = __exit_p(coh901327_remove),
.suspend = coh901327_suspend,
.resume = coh901327_resume,
};
-static int __init coh901327_init(void)
-{
- return platform_driver_probe(&coh901327_driver, coh901327_probe);
-}
-module_init(coh901327_init);
-
-static void __exit coh901327_exit(void)
-{
- platform_driver_unregister(&coh901327_driver);
-}
-module_exit(coh901327_exit);
+module_platform_driver_probe(coh901327_driver, coh901327_probe);
MODULE_AUTHOR("Linus Walleij <linus.walleij@stericsson.com>");
MODULE_DESCRIPTION("COH 901 327 Watchdog");