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,
         },
 };