hwrng: ks-sa - Use pm_runtime_resume_and_get() to replace open coding

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@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/char/hw_random/ks-sa-rng.c b/drivers/char/hw_random/ks-sa-rng.c
index 8f1d47f..2f2f21f 100644 (file)
--- a/drivers/char/hw_random/ks-sa-rng.c
+++ b/drivers/char/hw_random/ks-sa-rng.c
@@ -241,10 +241,9 @@ static int ks_sa_rng_probe(struct platform_device *pdev)
        }
 
        pm_runtime_enable(dev);
-       ret = pm_runtime_get_sync(dev);
+       ret = pm_runtime_resume_and_get(dev);
        if (ret < 0) {
                dev_err(dev, "Failed to enable SA power-domain\n");
-               pm_runtime_put_noidle(dev);
                pm_runtime_disable(dev);
                return ret;
        }