[PATCH] net/cadence: using pm_runtime_resume_and_get instead of pm_runtime_get_sync

From: cgel . zte
Date: Sun Apr 10 2022 - 21:38:25 EST


From: Minghao Chi <chi.minghao@xxxxxxxxxx>

Using pm_runtime_resume_and_get is more appropriate
for simplifing code

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx>
---
drivers/net/ethernet/cadence/macb_main.c | 22 ++++++++--------------
1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 800d5ced5800..5555daee6f13 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -337,11 +337,9 @@ static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
struct macb *bp = bus->priv;
int status;

- status = pm_runtime_get_sync(&bp->pdev->dev);
- if (status < 0) {
- pm_runtime_put_noidle(&bp->pdev->dev);
+ status = pm_runtime_resume_and_get(&bp->pdev->dev);
+ if (status < 0)
goto mdio_pm_exit;
- }

status = macb_mdio_wait_for_idle(bp);
if (status < 0)
@@ -391,11 +389,9 @@ static int macb_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
struct macb *bp = bus->priv;
int status;

- status = pm_runtime_get_sync(&bp->pdev->dev);
- if (status < 0) {
- pm_runtime_put_noidle(&bp->pdev->dev);
+ status = pm_runtime_resume_and_get(&bp->pdev->dev);
+ if (status < 0)
goto mdio_pm_exit;
- }

status = macb_mdio_wait_for_idle(bp);
if (status < 0)
@@ -2745,9 +2741,9 @@ static int macb_open(struct net_device *dev)

netdev_dbg(bp->dev, "open\n");

- err = pm_runtime_get_sync(&bp->pdev->dev);
+ err = pm_runtime_resume_and_get(&bp->pdev->dev);
if (err < 0)
- goto pm_exit;
+ return err;

/* RX buffers initialization */
macb_init_rx_buffer_size(bp, bufsz);
@@ -4134,11 +4130,9 @@ static int at91ether_open(struct net_device *dev)
u32 ctl;
int ret;

- ret = pm_runtime_get_sync(&lp->pdev->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(&lp->pdev->dev);
+ ret = pm_runtime_resume_and_get(&lp->pdev->dev);
+ if (ret < 0)
return ret;
- }

/* Clear internal statistics */
ctl = macb_readl(lp, NCR);
--
2.25.1