linux-kernel - [PATCH] drivers: net: davinci_mdio: using pm_runtime_resume_and_get instead of pm_runtime_get

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220418062921.2557884-1-chi.minghao@zte.com.cn>
Date:   Mon, 18 Apr 2022 06:29:21 +0000
From:   cgel.zte@...il.com
To:     grygorii.strashko@...com
Cc:     davem@...emloft.net, kuba@...nel.org, 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] drivers: net: davinci_mdio: 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/davinci_mdio.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index fce2626e34fa..ea3772618043 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -134,11 +134,9 @@ static int davinci_mdio_reset(struct mii_bus *bus)
 	u32 phy_mask, ver;
 	int ret;
 
-	ret = pm_runtime_get_sync(data->dev);
-	if (ret < 0) {
-		pm_runtime_put_noidle(data->dev);
+	ret = pm_runtime_resume_and_get(data->dev);
+	if (ret < 0)
 		return ret;
-	}
 
 	/* wait for scan logic to settle */
 	msleep(PHY_MAX_ADDR * data->access_time);
@@ -232,11 +230,9 @@ static int davinci_mdio_read(struct mii_bus *bus, int phy_id, int phy_reg)
 	if (phy_reg & ~PHY_REG_MASK || phy_id & ~PHY_ID_MASK)
 		return -EINVAL;
 
-	ret = pm_runtime_get_sync(data->dev);
-	if (ret < 0) {
-		pm_runtime_put_noidle(data->dev);
+	ret = pm_runtime_resume_and_get(data->dev);
+	if (ret < 0)
 		return ret;
-	}
 
 	reg = (USERACCESS_GO | USERACCESS_READ | (phy_reg << 21) |
 	       (phy_id << 16));
@@ -276,11 +272,9 @@ static int davinci_mdio_write(struct mii_bus *bus, int phy_id,
 	if (phy_reg & ~PHY_REG_MASK || phy_id & ~PHY_ID_MASK)
 		return -EINVAL;
 
-	ret = pm_runtime_get_sync(data->dev);
-	if (ret < 0) {
-		pm_runtime_put_noidle(data->dev);
+	ret = pm_runtime_resume_and_get(data->dev);
+	if (ret < 0)
 		return ret;
-	}
 
 	reg = (USERACCESS_GO | USERACCESS_WRITE | (phy_reg << 21) |
 		   (phy_id << 16) | (phy_data & USERACCESS_DATA));
-- 
2.25.1