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Also fixed some wrong ones. Added dev_err_probe where EPROBE_DEFER is possible. Signed-off-by: Rosen Penev --- drivers/mmc/host/mtk-sd.c | 55 ++++++++++++++------------------------- 1 file changed, 20 insertions(+), 35 deletions(-) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 89018b6c97b9..c607312dfe07 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -2736,20 +2736,18 @@ static int msdc_drv_probe(struct platform_device *p= dev) } =20 /* Allocate MMC host for this device */ - mmc =3D mmc_alloc_host(sizeof(struct msdc_host), &pdev->dev); + mmc =3D devm_mmc_alloc_host(&pdev->dev, sizeof(struct msdc_host)); if (!mmc) return -ENOMEM; =20 host =3D mmc_priv(mmc); ret =3D mmc_of_parse(mmc); if (ret) - goto host_free; + return ret; =20 host->base =3D devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(host->base)) { - ret =3D PTR_ERR(host->base); - goto host_free; - } + if (IS_ERR(host->base)) + return PTR_ERR(host->base); =20 res =3D platform_get_resource(pdev, IORESOURCE_MEM, 1); if (res) { @@ -2760,18 +2758,16 @@ static int msdc_drv_probe(struct platform_device *p= dev) =20 ret =3D mmc_regulator_get_supply(mmc); if (ret) - goto host_free; + return ret; =20 ret =3D msdc_of_clock_parse(pdev, host); if (ret) - goto host_free; + return ret; =20 host->reset =3D devm_reset_control_get_optional_exclusive(&pdev->dev, "hrst"); - if (IS_ERR(host->reset)) { - ret =3D PTR_ERR(host->reset); - goto host_free; - } + if (IS_ERR(host->reset)) + return PTR_ERR(host->reset); =20 /* only eMMC has crypto property */ if (!(mmc->caps2 & MMC_CAP2_NO_MMC)) { @@ -2783,30 +2779,24 @@ static int msdc_drv_probe(struct platform_device *p= dev) } =20 host->irq =3D platform_get_irq(pdev, 0); - if (host->irq < 0) { - ret =3D host->irq; - goto host_free; - } + if (host->irq < 0) + return host->irq; =20 host->pinctrl =3D devm_pinctrl_get(&pdev->dev); - if (IS_ERR(host->pinctrl)) { - ret =3D PTR_ERR(host->pinctrl); - dev_err(&pdev->dev, "Cannot find pinctrl!\n"); - goto host_free; - } + if (IS_ERR(host->pinctrl)) + return dev_err_probe(&pdev->dev, PTR_ERR(host->pinctrl), + "Cannot find pinctrl"); =20 host->pins_default =3D pinctrl_lookup_state(host->pinctrl, "default"); if (IS_ERR(host->pins_default)) { - ret =3D PTR_ERR(host->pins_default); dev_err(&pdev->dev, "Cannot find pinctrl default!\n"); - goto host_free; + return PTR_ERR(host->pins_default); } =20 host->pins_uhs =3D pinctrl_lookup_state(host->pinctrl, "state_uhs"); if (IS_ERR(host->pins_uhs)) { - ret =3D PTR_ERR(host->pins_uhs); dev_err(&pdev->dev, "Cannot find pinctrl uhs!\n"); - goto host_free; + return PTR_ERR(host->pins_uhs); } =20 /* Support for SDIO eint irq ? */ @@ -2895,14 +2885,14 @@ static int msdc_drv_probe(struct platform_device *p= dev) GFP_KERNEL); if (!host->cq_host) { ret =3D -ENOMEM; - goto host_free; + goto release_mem; } host->cq_host->caps |=3D CQHCI_TASK_DESC_SZ_128; host->cq_host->mmio =3D host->base + 0x800; host->cq_host->ops =3D &msdc_cmdq_ops; ret =3D cqhci_init(host->cq_host, mmc, true); if (ret) - goto host_free; + goto release_mem; mmc->max_segs =3D 128; /* cqhci 16bit length */ /* 0 size, means 65536 so we don't have to -1 here */ @@ -2939,11 +2929,8 @@ static int msdc_drv_probe(struct platform_device *pd= ev) host->dma.gpd, host->dma.gpd_addr); 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charset="utf-8" My guess is some automated tool missed this transformation. Now looks clearer as do what's happening. Also allows removal of struct resource. Signed-off-by: Rosen Penev --- drivers/mmc/host/mtk-sd.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index c607312dfe07..4be13b9c2d71 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -2727,7 +2727,6 @@ static int msdc_drv_probe(struct platform_device *pde= v) { struct mmc_host *mmc; struct msdc_host *host; - struct resource *res; int ret; =20 if (!pdev->dev.of_node) { @@ -2749,12 +2748,9 @@ static int msdc_drv_probe(struct platform_device *pd= ev) if (IS_ERR(host->base)) return PTR_ERR(host->base); =20 - res =3D platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (res) { - host->top_base =3D devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(host->top_base)) - host->top_base =3D NULL; - } + host->top_base =3D devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(host->top_base)) + host->top_base =3D NULL; =20 ret =3D mmc_regulator_get_supply(mmc); if (ret) --=20 2.46.2 From nobody Thu Nov 28 13:37:09 2024 Received: from mail-pf1-f174.google.com (mail-pf1-f174.google.com [209.85.210.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DD565199250; 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Mon, 30 Sep 2024 15:49:26 -0700 (PDT) Received: from ryzen.lan ([2601:644:8200:dab8::a86]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7e6db2b391bsm7029528a12.22.2024.09.30.15.49.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Sep 2024 15:49:25 -0700 (PDT) From: Rosen Penev To: linux-mmc@vger.kernel.org Cc: Chaotian Jing , Ulf Hansson , Matthias Brugger , AngeloGioacchino Del Regno , linux-kernel@vger.kernel.org (open list:ARM/Mediatek SoC support), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Mediatek SoC support), linux-mediatek@lists.infradead.org (moderated list:ARM/Mediatek SoC support) Subject: [PATCH 3/3] mmc: mtk-sd: fix devm_clk_get_optional usage Date: Mon, 30 Sep 2024 15:49:19 -0700 Message-ID: <20240930224919.355359-4-rosenp@gmail.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20240930224919.355359-1-rosenp@gmail.com> References: <20240930224919.355359-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This already returns NULL when not found. However, it can return EPROBE_DEFER and should thus return here. Signed-off-by: Rosen Penev --- drivers/mmc/host/mtk-sd.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 4be13b9c2d71..b02cbae96e89 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -2769,9 +2769,8 @@ static int msdc_drv_probe(struct platform_device *pde= v) if (!(mmc->caps2 & MMC_CAP2_NO_MMC)) { host->crypto_clk =3D devm_clk_get_optional(&pdev->dev, "crypto"); if (IS_ERR(host->crypto_clk)) - host->crypto_clk =3D NULL; - else - mmc->caps2 |=3D MMC_CAP2_CRYPTO; + return PTR_ERR(host->crypto_clk); + mmc->caps2 |=3D MMC_CAP2_CRYPTO; } =20 host->irq =3D platform_get_irq(pdev, 0); --=20 2.46.2