From patchwork Sat Sep 16 07:58:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13388202 X-Patchwork-Delegate: kuba@kernel.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 82548134B9; Sat, 16 Sep 2023 08:11:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3E41DC433CC; Sat, 16 Sep 2023 08:11:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694851916; bh=isFMv5J3rpOHLVDhhNbIoTnhkQjoG9ObXVsYmwnSTWs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J8Dujy+CQpnn20jOp4hfFCrL0YMWPTrkPx9UkZC0mGwmsD581rKr8waQDUEiJymJM LF1FQ1gE9T6HbjfLot3zV+of7uE6E/pEmZ9eLTdV3CJ6W1rVeFDbNu9wEf4LCpNlUN 9apO353t7HkpmQ4zHf0TY1E4gYHIJZIEsqhGiSswJMKIOPKd4LQjrQZJ2kEVz/fGum SSwFsmFnB3mPyjZ0tLDDCwkHJYnY4Kg3JRc7wNCEoCtMDPXd+lYmfHqHZ6V4IDfirS D/heg3pY6tEx7VOuPsVmoSX4vsiblGAA9Wq9sKiQMW8/4qDX/ieAwK1znNJtQKn2ar y9xudAthRcg6A== From: Jisheng Zhang To: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Vladimir Zapolskiy , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Emil Renner Berthing , Samin Guo , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Thierry Reding , Nobuhiro Iwamatsu , Russell King , Matthias Brugger , AngeloGioacchino Del Regno Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH net-next v2 12/23] net: stmmac: dwmac-meson8b: use devm_stmmac_probe_config_dt() Date: Sat, 16 Sep 2023 15:58:18 +0800 Message-Id: <20230916075829.1560-13-jszhang@kernel.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230916075829.1560-1-jszhang@kernel.org> References: <20230916075829.1560-1-jszhang@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org 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 --- .../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,