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Fri, 14 Feb 2025 00:21:23 +0000 (UTC) Received: from asrivats-na.rmtustx.csb (unknown [10.2.16.199]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 4D02619373C4; Fri, 14 Feb 2025 00:21:14 +0000 (UTC) From: Anusha Srivatsa Date: Thu, 13 Feb 2025 19:19:24 -0500 Subject: [PATCH 11/12] drm/vc4: move to devm_platform_ioremap_resource() usage MIME-Version: 1.0 Message-Id: <20250213-mem-cocci-v3-v1-11-93466d165349@redhat.com> References: <20250213-mem-cocci-v3-v1-0-93466d165349@redhat.com> In-Reply-To: <20250213-mem-cocci-v3-v1-0-93466d165349@redhat.com> To: Joel Stanley , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Andrew Jeffery , Stefan Agner , Alison Wang , Xinliang Liu , Tian Tao , Xinwei Kong , Sumit Semwal , Yongqin Liu , John Stultz , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Marek Vasut , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Orson Zhai , Baolin Wang , Chunyan Zhang , Alain Volmat , Raphael Gallais-Pou , Yannick Fertre , Raphael Gallais-Pou , Philippe Cornu , Maxime Coquelin , Alexandre Torgue , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Alexey Brodkin , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Cana?= =?utf-8?q?l?= , Raspberry Pi Kernel Maintenance , Jonathan Corbet Cc: linux-aspeed@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, imx@lists.linux.dev, linux-stm32@st-md-mailman.stormreply.com, linux-tegra@vger.kernel.org, linux-doc@vger.kernel.org, Anusha Srivatsa X-Developer-Signature: v=1; a=ed25519-sha256; t=1739492356; l=4256; i=asrivats@redhat.com; s=20250122; h=from:subject:message-id; bh=qNRQxkfMur7BPqwRSoUD0Y1xSb+mBLR8VcBDJdlCxGw=; b=ijXOEGX0OJP9agRtmiVCHuzM1ADlEbiLLq8nwfqtGrIMhF6NnUgGf9xdYkRygezmigyj/NY28 dpk6p9JnRIbCdyD82YA5mRuUqWeRxMu9++9Uw5H3KYi2vCPipmO/YvS X-Developer-Key: i=asrivats@redhat.com; a=ed25519; pk=brnIHkBsUZEhyW6Zyn0U92AeIZ1psws/q8VFbIkf1AU= X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250213_162133_769260_78722D91 X-CRM114-Status: GOOD ( 13.42 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Replace platform_get_resource_byname + devm_ioremap_resource with just devm_platform_ioremap_resource() Used Coccinelle to do this change. SmPl patch: //rule s/(devm_)platform_get_resource_byname + //(devm_)ioremap/devm_platform_ioremap_resource. @rule_3@ identifier res; expression ioremap; identifier pdev; constant mem; expression name; @@ -struct resource *res; <+... -res = platform_get_resource_byname(pdev,mem,name); <... -if (!res) { -... -} ...> -ioremap = devm_ioremap(...); +ioremap = devm_platform_ioremap_resource_byname(pdev,name); ...+> v2: Change the SmPl patch to work on multiple occurences of the pattern. This also fixes the compilation error. v3: Do not convert "hd" resource to follow the rest of the refactor. (Maxime) Cc: Maxime Ripard Cc: Dave Stevenson Cc: Maíra Canal Signed-off-by: Anusha Srivatsa Reviewed-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_hdmi.c | 54 ++++++++++++++---------------------------- 1 file changed, 18 insertions(+), 36 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 47d9ada98430634cfd8c1e21c2a4d00d501bab7e..aacc7a3aa007a66c22f68158377f025adcbb4df1 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -2951,18 +2951,18 @@ static int vc5_hdmi_init_resources(struct drm_device *drm, { struct platform_device *pdev = vc4_hdmi->pdev; struct device *dev = &pdev->dev; - struct resource *res; int ret; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi"); - if (!res) - return -ENODEV; - - vc4_hdmi->hdmicore_regs = devm_ioremap(dev, res->start, - resource_size(res)); + vc4_hdmi->hdmicore_regs = devm_platform_ioremap_resource_byname(pdev, + "hdmi"); if (!vc4_hdmi->hdmicore_regs) return -ENOMEM; + /* This is shared between both HDMI controllers. Cannot + * claim for both instances. Lets not convert to using + * devm_platform_ioremap_resource_byname() like + * the rest + */ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hd"); if (!res) return -ENODEV; @@ -2971,51 +2971,33 @@ static int vc5_hdmi_init_resources(struct drm_device *drm, if (!vc4_hdmi->hd_regs) return -ENOMEM; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cec"); - if (!res) - return -ENODEV; - - vc4_hdmi->cec_regs = devm_ioremap(dev, res->start, resource_size(res)); + vc4_hdmi->cec_regs = devm_platform_ioremap_resource_byname(pdev, + "cec"); if (!vc4_hdmi->cec_regs) return -ENOMEM; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "csc"); - if (!res) - return -ENODEV; - - vc4_hdmi->csc_regs = devm_ioremap(dev, res->start, resource_size(res)); + vc4_hdmi->csc_regs = devm_platform_ioremap_resource_byname(pdev, + "csc"); if (!vc4_hdmi->csc_regs) return -ENOMEM; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dvp"); - if (!res) - return -ENODEV; - - vc4_hdmi->dvp_regs = devm_ioremap(dev, res->start, resource_size(res)); + vc4_hdmi->dvp_regs = devm_platform_ioremap_resource_byname(pdev, + "dvp"); if (!vc4_hdmi->dvp_regs) return -ENOMEM; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy"); - if (!res) - return -ENODEV; + vc4_hdmi->phy_regs = devm_platform_ioremap_resource_byname(pdev, + "phy"); - vc4_hdmi->phy_regs = devm_ioremap(dev, res->start, resource_size(res)); if (!vc4_hdmi->phy_regs) return -ENOMEM; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "packet"); - if (!res) - return -ENODEV; - - vc4_hdmi->ram_regs = devm_ioremap(dev, res->start, resource_size(res)); + vc4_hdmi->ram_regs = devm_platform_ioremap_resource_byname(pdev, + "packet"); if (!vc4_hdmi->ram_regs) return -ENOMEM; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rm"); - if (!res) - return -ENODEV; - - vc4_hdmi->rm_regs = devm_ioremap(dev, res->start, resource_size(res)); + vc4_hdmi->rm_regs = devm_platform_ioremap_resource_byname(pdev, "rm"); if (!vc4_hdmi->rm_regs) return -ENOMEM;