linux-kernel - [PATCH v5 3/7] drm/mxsfb: move to devm_platform_ioremap

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Message-Id: <20250304-mem-fixes-v1-3-fb3dab8d901f@redhat.com>
Date: Tue, 04 Mar 2025 16:05:33 -0500
From: Anusha Srivatsa <asrivats@...hat.com>
To: Stefan Agner <stefan@...er.ch>, Alison Wang <alison.wang@....com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Xinliang Liu <xinliang.liu@...aro.org>, Tian Tao <tiantao6@...ilicon.com>, 
 Xinwei Kong <kong.kongxinwei@...ilicon.com>, 
 Sumit Semwal <sumit.semwal@...aro.org>, 
 Yongqin Liu <yongqin.liu@...aro.org>, John Stultz <jstultz@...gle.com>, 
 Marek Vasut <marex@...x.de>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>, 
 Alain Volmat <alain.volmat@...s.st.com>, 
 Raphael Gallais-Pou <rgallaispou@...il.com>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Mikko Perttunen <mperttunen@...dia.com>, 
 Jonathan Hunter <jonathanh@...dia.com>, Jonathan Corbet <corbet@....net>
Cc: Dan Carpenter <dan.carpenter@...aro.org>, 
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-tegra@...r.kernel.org, linux-doc@...r.kernel.org, 
 Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH v5 3/7] drm/mxsfb: move to devm_platform_ioremap_resource()
 usage

Replace platform_get_resource + devm_ioremap_resource
with just devm_platform_ioremap_resource()

Used Coccinelle to do this change. SmPl patch:
@rule_1@
identifier res;
expression ioremap_res;
identifier pdev;
@@
-struct resource *res;
...
-res = platform_get_resource(pdev,...);
-ioremap_res = devm_ioremap_resource(...);
+ioremap_res = devm_platform_ioremap_resource(pdev,0);

Cc: Marek Vasut <marex@...x.de>
Cc: Stefan Agner <stefan@...er.ch>
Reviewed-by: Maxime Ripard <mripard@...nel.org>
Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
 drivers/gpu/drm/mxsfb/lcdif_drv.c | 4 +---
 drivers/gpu/drm/mxsfb/mxsfb_drv.c | 4 +---
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/mxsfb/lcdif_drv.c b/drivers/gpu/drm/mxsfb/lcdif_drv.c
index 8ee00f59ca821cea8e823e7100fb4d7534283994..fcb2a7517377e9a5bbd2997c578c579b1b079f92 100644
--- a/drivers/gpu/drm/mxsfb/lcdif_drv.c
+++ b/drivers/gpu/drm/mxsfb/lcdif_drv.c
@@ -134,7 +134,6 @@ static int lcdif_load(struct drm_device *drm)
 {
 	struct platform_device *pdev = to_platform_device(drm->dev);
 	struct lcdif_drm_private *lcdif;
-	struct resource *res;
 	int ret;
 
 	lcdif = devm_kzalloc(&pdev->dev, sizeof(*lcdif), GFP_KERNEL);
@@ -144,8 +143,7 @@ static int lcdif_load(struct drm_device *drm)
 	lcdif->drm = drm;
 	drm->dev_private = lcdif;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	lcdif->base = devm_ioremap_resource(drm->dev, res);
+	lcdif->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(lcdif->base))
 		return PTR_ERR(lcdif->base);
 
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index 59020862cf65e5cc488903f1263ed16dfbce06f9..377d4c4c9979ad9538cfec5464827a82936f811b 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -215,7 +215,6 @@ static int mxsfb_load(struct drm_device *drm,
 {
 	struct platform_device *pdev = to_platform_device(drm->dev);
 	struct mxsfb_drm_private *mxsfb;
-	struct resource *res;
 	int ret;
 
 	mxsfb = devm_kzalloc(&pdev->dev, sizeof(*mxsfb), GFP_KERNEL);
@@ -226,8 +225,7 @@ static int mxsfb_load(struct drm_device *drm,
 	drm->dev_private = mxsfb;
 	mxsfb->devdata = devdata;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mxsfb->base = devm_ioremap_resource(drm->dev, res);
+	mxsfb->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mxsfb->base))
 		return PTR_ERR(mxsfb->base);
 

-- 
2.48.1