linux-kernel - [PATCH] net: ethernet: ti: cpsw_priv: using pm_runtime_resume_and_get instead of pm_runtime_get

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Date:   Wed, 13 Apr 2022 09:38:36 +0000
From:   cgel.zte@...il.com
To:     grygorii.strashko@...com
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        toke@...hat.com, linux-omap@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] net: ethernet: ti: cpsw_priv: using pm_runtime_resume_and_get instead of pm_runtime_get_sync

From: Minghao Chi <chi.minghao@....com.cn>

Using pm_runtime_resume_and_get is more appropriate
for simplifing code

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Minghao Chi <chi.minghao@....com.cn>
---
 drivers/net/ethernet/ti/cpsw_priv.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/ti/cpsw_priv.c b/drivers/net/ethernet/ti/cpsw_priv.c
index 8f6817f346ba..917e0392cfe8 100644
--- a/drivers/net/ethernet/ti/cpsw_priv.c
+++ b/drivers/net/ethernet/ti/cpsw_priv.c
@@ -754,11 +754,9 @@ int cpsw_ndo_set_tx_maxrate(struct net_device *ndev, int queue, u32 rate)
 		return -EINVAL;
 	}
 
-	ret = pm_runtime_get_sync(cpsw->dev);
-	if (ret < 0) {
-		pm_runtime_put_noidle(cpsw->dev);
+	ret = pm_runtime_resume_and_get(cpsw->dev);
+	if (ret < 0)
 		return ret;
-	}
 
 	ret = cpdma_chan_set_rate(cpsw->txv[queue].ch, ch_rate);
 	pm_runtime_put(cpsw->dev);
@@ -970,11 +968,9 @@ static int cpsw_set_cbs(struct net_device *ndev,
 		return -1;
 	}
 
-	ret = pm_runtime_get_sync(cpsw->dev);
-	if (ret < 0) {
-		pm_runtime_put_noidle(cpsw->dev);
+	ret = pm_runtime_resume_and_get(cpsw->dev);
+	if (ret < 0)
 		return ret;
-	}
 
 	bw = qopt->enable ? qopt->idleslope : 0;
 	ret = cpsw_set_fifo_rlimit(priv, fifo, bw);
@@ -1008,11 +1004,9 @@ static int cpsw_set_mqprio(struct net_device *ndev, void *type_data)
 	if (mqprio->mode != TC_MQPRIO_MODE_DCB)
 		return -EINVAL;
 
-	ret = pm_runtime_get_sync(cpsw->dev);
-	if (ret < 0) {
-		pm_runtime_put_noidle(cpsw->dev);
+	ret = pm_runtime_resume_and_get(cpsw->dev);
+	if (ret < 0)
 		return ret;
-	}
 
 	if (num_tc) {
 		for (i = 0; i < 8; i++) {
-- 
2.25.1