[PATCH] hwrng: exynos: Use pm_runtime_resume_and_get() to replace open coding

[Tian Tao <tiantao6@xxxxxxxxxxxxx>]

use pm_runtime_resume_and_get() to replace pm_runtime_get_sync and
pm_runtime_put_noidle. this change is just to simplify the code, no
actual functional changes.

Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
---
 drivers/char/hw_random/exynos-trng.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/exynos-trng.c b/drivers/char/hw_random/exynos-trng.c
index 8e1fe3f..d71ef3c 100644
--- a/drivers/char/hw_random/exynos-trng.c
+++ b/drivers/char/hw_random/exynos-trng.c
@@ -196,10 +196,9 @@ static int __maybe_unused exynos_trng_resume(struct device *dev)
 {
 	int ret;
 
-	ret = pm_runtime_get_sync(dev);
-	if (ret < 0) {
+	ret = pm_runtime_resume_and_get(dev);
+	if (ret) {
 		dev_err(dev, "Could not get runtime PM.\n");
-		pm_runtime_put_noidle(dev);
 		return ret;
 	}
 
-- 
2.7.4