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Message-Id: <20230829104033.955-13-jszhang@kernel.org>
Date: Tue, 29 Aug 2023 18:40:23 +0800
From: Jisheng Zhang <jszhang@...nel.org>
To: Giuseppe Cavallaro <peppe.cavallaro@...com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Vladimir Zapolskiy <vz@...ia.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Emil Renner Berthing <kernel@...il.dk>,
Samin Guo <samin.guo@...rfivetech.com>,
Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
Russell King <linux@...linux.org.uk>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Cc: netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: [PATCH net-next 12/22] net: stmmac: dwmac-meson8b: use devm_stmmac_probe_config_dt()
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@...nel.org>
---
.../ethernet/stmicro/stmmac/dwmac-meson8b.c | 55 ++++++-------------
1 file changed, 18 insertions(+), 37 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
index 0b159dc0d5f6..37f249980929 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
@@ -400,33 +400,27 @@ static int meson8b_dwmac_probe(struct platform_device *pdev)
if (ret)
return ret;
- 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))
return PTR_ERR(plat_dat);
dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
- if (!dwmac) {
- ret = -ENOMEM;
- goto err_remove_config_dt;
- }
+ if (!dwmac)
+ return -ENOMEM;
dwmac->data = (const struct meson8b_dwmac_data *)
of_device_get_match_data(&pdev->dev);
- if (!dwmac->data) {
- ret = -EINVAL;
- goto err_remove_config_dt;
- }
+ if (!dwmac->data)
+ return -EINVAL;
dwmac->regs = devm_platform_ioremap_resource(pdev, 1);
- if (IS_ERR(dwmac->regs)) {
- ret = PTR_ERR(dwmac->regs);
- goto err_remove_config_dt;
- }
+ if (IS_ERR(dwmac->regs))
+ return PTR_ERR(dwmac->regs);
dwmac->dev = &pdev->dev;
ret = of_get_phy_mode(pdev->dev.of_node, &dwmac->phy_mode);
if (ret) {
dev_err(&pdev->dev, "missing phy-mode property\n");
- goto err_remove_config_dt;
+ return ret;
}
/* use 2ns as fallback since this value was previously hardcoded */
@@ -448,53 +442,40 @@ static int meson8b_dwmac_probe(struct platform_device *pdev)
if (dwmac->rx_delay_ps > 3000 || dwmac->rx_delay_ps % 200) {
dev_err(dwmac->dev,
"The RGMII RX delay range is 0..3000ps in 200ps steps");
- ret = -EINVAL;
- goto err_remove_config_dt;
+ return -EINVAL;
}
} else {
if (dwmac->rx_delay_ps != 0 && dwmac->rx_delay_ps != 2000) {
dev_err(dwmac->dev,
"The only allowed RGMII RX delays values are: 0ps, 2000ps");
- ret = -EINVAL;
- goto err_remove_config_dt;
+ return -EINVAL;
}
}
dwmac->timing_adj_clk = devm_clk_get_optional(dwmac->dev,
"timing-adjustment");
- if (IS_ERR(dwmac->timing_adj_clk)) {
- ret = PTR_ERR(dwmac->timing_adj_clk);
- goto err_remove_config_dt;
- }
+ if (IS_ERR(dwmac->timing_adj_clk))
+ return PTR_ERR(dwmac->timing_adj_clk);
ret = meson8b_init_rgmii_delays(dwmac);
if (ret)
- goto err_remove_config_dt;
+ return ret;
ret = meson8b_init_rgmii_tx_clk(dwmac);
if (ret)
- goto err_remove_config_dt;
+ return ret;
ret = dwmac->data->set_phy_mode(dwmac);
if (ret)
- goto err_remove_config_dt;
+ return ret;
ret = meson8b_init_prg_eth(dwmac);
if (ret)
- goto err_remove_config_dt;
+ return ret;
plat_dat->bsp_priv = dwmac;
- ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
- if (ret)
- goto err_remove_config_dt;
-
- return 0;
-
-err_remove_config_dt:
- stmmac_remove_config_dt(pdev, plat_dat);
-
- return ret;
+ return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
}
static const struct meson8b_dwmac_data meson8b_dwmac_data = {
@@ -539,7 +520,7 @@ MODULE_DEVICE_TABLE(of, meson8b_dwmac_match);
static struct platform_driver meson8b_dwmac_driver = {
.probe = meson8b_dwmac_probe,
- .remove_new = stmmac_pltfr_remove,
+ .remove_new = stmmac_pltfr_remove_no_dt,
.driver = {
.name = "meson8b-dwmac",
.pm = &stmmac_pltfr_pm_ops,
--
2.40.1
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