[PATCH net-next 03/22] net: stmmac: dwmac-generic: use devm_stmmac_probe_config_dt()

From: Jisheng Zhang
Date: Tue Aug 29 2023 - 06:53:53 EST


Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().

The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().

Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx>
---
.../net/ethernet/stmicro/stmmac/dwmac-generic.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
index 20fc455b3337..84582fc04d2e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
@@ -27,7 +27,7 @@ static int dwmac_generic_probe(struct platform_device *pdev)
return ret;

if (pdev->dev.of_node) {
- plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac);
+ plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac);
if (IS_ERR(plat_dat)) {
dev_err(&pdev->dev, "dt configuration failed\n");
return PTR_ERR(plat_dat);
@@ -46,17 +46,7 @@ static int dwmac_generic_probe(struct platform_device *pdev)
plat_dat->unicast_filter_entries = 1;
}

- ret = stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
- if (ret)
- goto err_remove_config_dt;
-
- return 0;
-
-err_remove_config_dt:
- if (pdev->dev.of_node)
- stmmac_remove_config_dt(pdev, plat_dat);
-
- return ret;
+ return stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
}

static const struct of_device_id dwmac_generic_match[] = {
@@ -77,7 +67,7 @@ MODULE_DEVICE_TABLE(of, dwmac_generic_match);

static struct platform_driver dwmac_generic_driver = {
.probe = dwmac_generic_probe,
- .remove_new = stmmac_pltfr_remove,
+ .remove_new = stmmac_pltfr_remove_no_dt,
.driver = {
.name = STMMAC_RESOURCE_NAME,
.pm = &stmmac_pltfr_pm_ops,
--
2.40.1