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([2001:861:3385:e20:2acd:89a8:83d9:4be5]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4390db11750sm222041925e9.40.2025.02.11.09.45.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Feb 2025 09:45:36 -0800 (PST) Message-ID: Date: Tue, 11 Feb 2025 18:45:31 +0100 Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 07/12] drm/sti: move to devm_platform_ioremap_resource() usage To: Anusha Srivatsa , 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 , Sandy Huang , =?UTF-8?Q?Heiko_St=C3=BCbner?= , Andy Yan , Orson Zhai , Baolin Wang , Chunyan Zhang , Alain Volmat , 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_Canal?= , 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-rockchip@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-tegra@vger.kernel.org, linux-doc@vger.kernel.org References: <20250205-mem-cocci-newapi-v1-0-aebf2b0e2300@redhat.com> <20250205-mem-cocci-newapi-v1-7-aebf2b0e2300@redhat.com> Content-Language: en-US, fr From: =?UTF-8?Q?Rapha=C3=ABl_Gallais-Pou?= In-Reply-To: <20250205-mem-cocci-newapi-v1-7-aebf2b0e2300@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Le 05/02/2025 à 21:08, Anusha Srivatsa a écrit : > Replace platform_get_resource/_byname + devm_ioremap > with just devm_platform_ioremap_resource() > > Used Coccinelle to do this change. SmPl patch: > > @rule@ > 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); > > and > @rule_2@ > identifier res; > expression ioremap; > identifier pdev; > @@ > -struct resource *res; > ... > -res = platform_get_resource(pdev,...); > <... > -if (!res) { > -... > -} > ...> > -ioremap = devm_ioremap(...); > +ioremap = devm_platform_ioremap_resource(pdev,0); > > v2: Fix compilation error. Hi Anusha, Just a nit: changelog should be after the ‘---’ separator. :-) Other than this, it is Acked-by: Raphael Gallais-Pou Thanks, Regards, Raphaël > > Cc: Raphael Gallais-Pou > Cc: Alain Volmat > Signed-off-by: Anusha Srivatsa > --- > drivers/gpu/drm/sti/sti_compositor.c | 10 +--------- > drivers/gpu/drm/sti/sti_dvo.c | 10 +--------- > drivers/gpu/drm/sti/sti_hda.c | 9 +-------- > drivers/gpu/drm/sti/sti_hdmi.c | 11 +---------- > drivers/gpu/drm/sti/sti_hqvdp.c | 10 +--------- > drivers/gpu/drm/sti/sti_tvout.c | 10 +--------- > drivers/gpu/drm/sti/sti_vtg.c | 10 +--------- > 7 files changed, 7 insertions(+), 63 deletions(-) > > diff --git a/drivers/gpu/drm/sti/sti_compositor.c b/drivers/gpu/drm/sti/sti_compositor.c > index 063f82d23d80c4ba83624a0066a18416a2b37351..7aefce6706ba2cd7d97a33228c9b9812edecf06f 100644 > --- a/drivers/gpu/drm/sti/sti_compositor.c > +++ b/drivers/gpu/drm/sti/sti_compositor.c > @@ -177,7 +177,6 @@ static int sti_compositor_probe(struct platform_device *pdev) > struct device_node *np = dev->of_node; > struct device_node *vtg_np; > struct sti_compositor *compo; > - struct resource *res; > unsigned int i; > > compo = devm_kzalloc(dev, sizeof(*compo), GFP_KERNEL); > @@ -194,14 +193,7 @@ static int sti_compositor_probe(struct platform_device *pdev) > > memcpy(&compo->data, of_match_node(compositor_of_match, np)->data, > sizeof(struct sti_compositor_data)); > - > - /* Get Memory ressources */ > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - if (res == NULL) { > - DRM_ERROR("Get memory resource failed\n"); > - return -ENXIO; > - } > - compo->regs = devm_ioremap(dev, res->start, resource_size(res)); > + compo->regs = devm_platform_ioremap_resource(pdev, 0); > if (compo->regs == NULL) { > DRM_ERROR("Register mapping failed\n"); > return -ENXIO; > diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c > index c6c2abaa1891cd3ea025805b50d275ec314512c3..660588f01f90950a9b2c180ab230188c19901f26 100644 > --- a/drivers/gpu/drm/sti/sti_dvo.c > +++ b/drivers/gpu/drm/sti/sti_dvo.c > @@ -511,7 +511,6 @@ static int sti_dvo_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > struct sti_dvo *dvo; > - struct resource *res; > struct device_node *np = dev->of_node; > > DRM_INFO("%s\n", __func__); > @@ -523,14 +522,7 @@ static int sti_dvo_probe(struct platform_device *pdev) > } > > dvo->dev = pdev->dev; > - > - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dvo-reg"); > - if (!res) { > - DRM_ERROR("Invalid dvo resource\n"); > - return -ENOMEM; > - } > - dvo->regs = devm_ioremap(dev, res->start, > - resource_size(res)); > + dvo->regs = devm_platform_ioremap_resource_byname(pdev, "dvo-reg"); > if (!dvo->regs) > return -ENOMEM; > > diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c > index b12863bea95559c4f874eb94cea8938609d435d4..0b5dbaf4d5305989846e25a1cab6f82d191aa9a5 100644 > --- a/drivers/gpu/drm/sti/sti_hda.c > +++ b/drivers/gpu/drm/sti/sti_hda.c > @@ -750,14 +750,7 @@ static int sti_hda_probe(struct platform_device *pdev) > return -ENOMEM; > > hda->dev = pdev->dev; > - > - /* Get resources */ > - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hda-reg"); > - if (!res) { > - DRM_ERROR("Invalid hda resource\n"); > - return -ENOMEM; > - } > - hda->regs = devm_ioremap(dev, res->start, resource_size(res)); > + hda->regs = devm_platform_ioremap_resource_byname(pdev, "hda-reg"); > if (!hda->regs) > return -ENOMEM; > > diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c > index ca2fe17de4a5d1e0199e59a97e6c7601e139ed9e..666143c48b0d0f2c20cd26323ddbc8e69d966622 100644 > --- a/drivers/gpu/drm/sti/sti_hdmi.c > +++ b/drivers/gpu/drm/sti/sti_hdmi.c > @@ -1380,7 +1380,6 @@ static int sti_hdmi_probe(struct platform_device *pdev) > struct device *dev = &pdev->dev; > struct sti_hdmi *hdmi; > struct device_node *np = dev->of_node; > - struct resource *res; > struct device_node *ddc; > int ret; > > @@ -1399,15 +1398,7 @@ static int sti_hdmi_probe(struct platform_device *pdev) > } > > hdmi->dev = pdev->dev; > - > - /* Get resources */ > - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi-reg"); > - if (!res) { > - DRM_ERROR("Invalid hdmi resource\n"); > - ret = -ENOMEM; > - goto release_adapter; > - } > - hdmi->regs = devm_ioremap(dev, res->start, resource_size(res)); > + hdmi->regs = devm_platform_ioremap_resource_byname(pdev, "hdmi-reg"); > if (!hdmi->regs) { > ret = -ENOMEM; > goto release_adapter; > diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c > index 0f658709c9d0d398c4eed65202443db9d0b41f8c..420395598d119a403d531211022e6005d6a2bd59 100644 > --- a/drivers/gpu/drm/sti/sti_hqvdp.c > +++ b/drivers/gpu/drm/sti/sti_hqvdp.c > @@ -1356,7 +1356,6 @@ static int sti_hqvdp_probe(struct platform_device *pdev) > struct device *dev = &pdev->dev; > struct device_node *vtg_np; > struct sti_hqvdp *hqvdp; > - struct resource *res; > > DRM_DEBUG_DRIVER("\n"); > > @@ -1367,14 +1366,7 @@ static int sti_hqvdp_probe(struct platform_device *pdev) > } > > hqvdp->dev = dev; > - > - /* Get Memory resources */ > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - if (!res) { > - DRM_ERROR("Get memory resource failed\n"); > - return -ENXIO; > - } > - hqvdp->regs = devm_ioremap(dev, res->start, resource_size(res)); > + hqvdp->regs = devm_platform_ioremap_resource(pdev, 0); > if (!hqvdp->regs) { > DRM_ERROR("Register mapping failed\n"); > return -ENXIO; > diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c > index af6c06f448c4819def8cc0d0836e30f991529690..0bebe815f5e7567f84388af93723a6fa7d2cc7a2 100644 > --- a/drivers/gpu/drm/sti/sti_tvout.c > +++ b/drivers/gpu/drm/sti/sti_tvout.c > @@ -838,7 +838,6 @@ static int sti_tvout_probe(struct platform_device *pdev) > struct device *dev = &pdev->dev; > struct device_node *node = dev->of_node; > struct sti_tvout *tvout; > - struct resource *res; > > DRM_INFO("%s\n", __func__); > > @@ -850,14 +849,7 @@ static int sti_tvout_probe(struct platform_device *pdev) > return -ENOMEM; > > tvout->dev = dev; > - > - /* get memory resources */ > - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "tvout-reg"); > - if (!res) { > - DRM_ERROR("Invalid glue resource\n"); > - return -ENOMEM; > - } > - tvout->regs = devm_ioremap(dev, res->start, resource_size(res)); > + tvout->regs = devm_platform_ioremap_resource_byname(pdev, "tvout-reg"); > if (!tvout->regs) > return -ENOMEM; > > diff --git a/drivers/gpu/drm/sti/sti_vtg.c b/drivers/gpu/drm/sti/sti_vtg.c > index 5ba469b711b5318e9e9e6d8df127fb8933d1fac1..b5353fe774d72fd629ecd3ef75a5d2817ca8617f 100644 > --- a/drivers/gpu/drm/sti/sti_vtg.c > +++ b/drivers/gpu/drm/sti/sti_vtg.c > @@ -380,20 +380,12 @@ static int vtg_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > struct sti_vtg *vtg; > - struct resource *res; > int ret; > > vtg = devm_kzalloc(dev, sizeof(*vtg), GFP_KERNEL); > if (!vtg) > return -ENOMEM; > - > - /* Get Memory ressources */ > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - if (!res) { > - DRM_ERROR("Get memory resource failed\n"); > - return -ENOMEM; > - } > - vtg->regs = devm_ioremap(dev, res->start, resource_size(res)); > + vtg->regs = devm_platform_ioremap_resource(pdev, 0); > if (!vtg->regs) { > DRM_ERROR("failed to remap I/O memory\n"); > return -ENOMEM; > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 34EB9C0219E for ; Tue, 11 Feb 2025 18:56:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=jFiN/nQlJEsCaJF2nwmW3ZnuJRq/Tov93vveWofiVAY=; 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