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path: root/drivers/char/hw_random/atmel-rng.c
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Diffstat (limited to 'drivers/char/hw_random/atmel-rng.c')
-rw-r--r--drivers/char/hw_random/atmel-rng.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c
index 851bc7e20ad2..0bb0b2120a63 100644
--- a/drivers/char/hw_random/atmel-rng.c
+++ b/drivers/char/hw_random/atmel-rng.c
@@ -67,7 +67,7 @@ static int atmel_trng_probe(struct platform_device *pdev)
if (IS_ERR(trng->clk))
return PTR_ERR(trng->clk);
- ret = clk_enable(trng->clk);
+ ret = clk_prepare_enable(trng->clk);
if (ret)
return ret;
@@ -95,7 +95,7 @@ static int atmel_trng_remove(struct platform_device *pdev)
hwrng_unregister(&trng->rng);
writel(TRNG_KEY, trng->base + TRNG_CR);
- clk_disable(trng->clk);
+ clk_disable_unprepare(trng->clk);
return 0;
}
@@ -105,7 +105,7 @@ static int atmel_trng_suspend(struct device *dev)
{
struct atmel_trng *trng = dev_get_drvdata(dev);
- clk_disable(trng->clk);
+ clk_disable_unprepare(trng->clk);
return 0;
}
@@ -114,7 +114,7 @@ static int atmel_trng_resume(struct device *dev)
{
struct atmel_trng *trng = dev_get_drvdata(dev);
- return clk_enable(trng->clk);
+ return clk_prepare_enable(trng->clk);
}
static const struct dev_pm_ops atmel_trng_pm_ops = {
@@ -123,6 +123,12 @@ static const struct dev_pm_ops atmel_trng_pm_ops = {
};
#endif /* CONFIG_PM */
+static const struct of_device_id atmel_trng_dt_ids[] = {
+ { .compatible = "atmel,at91sam9g45-trng" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, atmel_trng_dt_ids);
+
static struct platform_driver atmel_trng_driver = {
.probe = atmel_trng_probe,
.remove = atmel_trng_remove,
@@ -132,6 +138,7 @@ static struct platform_driver atmel_trng_driver = {
#ifdef CONFIG_PM
.pm = &atmel_trng_pm_ops,
#endif /* CONFIG_PM */
+ .of_match_table = atmel_trng_dt_ids,
},
};