linux-kernel - [PATCH 08/12] drm/stm: move to devm_platform_ioremap

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Message-Id: <20250205-mem-cocci-newapi-v1-8-aebf2b0e2300@redhat.com>
Date: Wed, 05 Feb 2025 15:08:04 -0500
From: Anusha Srivatsa <asrivats@...hat.com>
To: Joel Stanley <joel@....id.au>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
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 Philippe Cornu <philippe.cornu@...s.st.com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
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Cc: linux-aspeed@...ts.ozlabs.org, dri-devel@...ts.freedesktop.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-mediatek@...ts.infradead.org, imx@...ts.linux.dev, 
 linux-rockchip@...ts.infradead.org, 
 linux-stm32@...md-mailman.stormreply.com, linux-tegra@...r.kernel.org, 
 linux-doc@...r.kernel.org, Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 08/12] drm/stm: 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: Yannick Fertre <yannick.fertre@...s.st.com>
Cc: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
Cc: Philippe Cornu <philippe.cornu@...s.st.com>
Acked-by: Raphaël Gallais-Pou <raphael.gallais-pou@...s.st.com>
Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
 drivers/gpu/drm/stm/ltdc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 54a73753eff98902012c6012914fa8c6482affbd..ba315c66a04d72758b9d3cfcd842432877f66d3a 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -1900,7 +1900,6 @@ int ltdc_load(struct drm_device *ddev)
 	struct drm_panel *panel;
 	struct drm_crtc *crtc;
 	struct reset_control *rstc;
-	struct resource *res;
 	int irq, i, nb_endpoints;
 	int ret = -ENODEV;
 
@@ -1966,8 +1965,7 @@ int ltdc_load(struct drm_device *ddev)
 		reset_control_deassert(rstc);
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ldev->regs = devm_ioremap_resource(dev, res);
+	ldev->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ldev->regs)) {
 		DRM_ERROR("Unable to get ltdc registers\n");
 		ret = PTR_ERR(ldev->regs);

-- 
2.47.0