[PATCH] net: ethernet: ti: cpsw_new: use pm_runtime_resume_and_get() instead of pm_runtime_get_sync()

From: cgel . zte
Date: Wed Apr 13 2022 - 05:35:44 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/ti/cpsw_new.c | 33 ++++++++++--------------------
1 file changed, 11 insertions(+), 22 deletions(-)

diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c
index bd4b1528cf99..13e54b05953c 100644
--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -449,11 +449,9 @@ static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev,
if (vid == cpsw->data.default_vlan)
return 0;

- 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;
- }

/* In dual EMAC, reserved VLAN id should not be used for
* creating VLAN interfaces as this can break the dual
@@ -829,11 +827,9 @@ static int cpsw_ndo_open(struct net_device *ndev)

dev_info(priv->dev, "starting ndev. mode: %s\n",
cpsw_is_switch_en(cpsw) ? "switch" : "dual_mac");
- 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;
- }

/* Notify the stack of the actual queue counts. */
ret = netif_set_real_num_tx_queues(ndev, cpsw->tx_ch_num);
@@ -985,11 +981,9 @@ static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;

- 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;
- }

vid = cpsw->slaves[slave_no].port_vlan;
flags = ALE_VLAN | ALE_SECURE;
@@ -1024,11 +1018,9 @@ static int cpsw_ndo_vlan_rx_kill_vid(struct net_device *ndev,
if (vid == cpsw->data.default_vlan)
return 0;

- 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;
- }

/* reset the return code as pm_runtime_get_sync() can return
* non zero values as well.
@@ -1918,9 +1910,8 @@ static int cpsw_probe(struct platform_device *pdev)
/* Need to enable clocks with runtime PM api to access module
* registers
*/
- ret = pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
if (ret < 0) {
- pm_runtime_put_noidle(dev);
pm_runtime_disable(dev);
return ret;
}
@@ -2045,11 +2036,9 @@ static int cpsw_remove(struct platform_device *pdev)
struct cpsw_common *cpsw = platform_get_drvdata(pdev);
int ret;

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

cpsw_unregister_notifiers(cpsw);
cpsw_unregister_devlink(cpsw);
--
2.25.1