[PATCH] drm/arcpgu: Use devm_platform_get_and_ioremap_resource() in arcpgu_load()

[PATCH] drm/arcpgu: Use devm_platform_get_and_ioremap_resource() in arcpgu_load()

[Markus Elfring]

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 5 Feb 2024 11:16:27 +0100

A wrapper function is available since the commit 890cc39a879906b63912482dfc41944579df2dc6
("drivers: provide devm_platform_get_and_ioremap_resource()").
Thus reuse existing functionality instead of keeping duplicate source code.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/gpu/drm/tiny/arcpgu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c
index 4f8f3172379e..29929f093d55 100644
--- a/drivers/gpu/drm/tiny/arcpgu.c
+++ b/drivers/gpu/drm/tiny/arcpgu.c
@@ -268,8 +268,7 @@ static int arcpgu_load(struct arcpgu_drm_private *arcpgu)
 	drm->mode_config.max_height = 1080;
 	drm->mode_config.funcs = &arcpgu_drm_modecfg_funcs;

-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	arcpgu->regs = devm_ioremap_resource(&pdev->dev, res);
+	arcpgu->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(arcpgu->regs))
 		return PTR_ERR(arcpgu->regs);

--
2.43.0

[PATCH v2] drm/arcpgu: Use devm_platform_ioremap_resource() in arcpgu_load()

[Markus Elfring]

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 6 Feb 2024 20:43:10 +0100

A wrapper function is available since the commit 7945f929f1a77a1c8887a97ca07f87626858ff42
("drivers: provide devm_platform_ioremap_resource()").

* Thus reuse existing functionality instead of keeping duplicate source code.

* Delete a local variable which became unnecessary with this refactoring.


This issue was transformed by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---

v2:
The transformation pattern was adjusted based on advices by known contributors.

Examples:
* Douglas Anderson
* Geert Uytterhoeven
* Robin Murphy


 drivers/gpu/drm/tiny/arcpgu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c
index 4f8f3172379e..231173138f5e 100644
--- a/drivers/gpu/drm/tiny/arcpgu.c
+++ b/drivers/gpu/drm/tiny/arcpgu.c
@@ -251,7 +251,6 @@ static int arcpgu_load(struct arcpgu_drm_private *arcpgu)
 	struct device_node *encoder_node = NULL, *endpoint_node = NULL;
 	struct drm_connector *connector = NULL;
 	struct drm_device *drm = &arcpgu->drm;
-	struct resource *res;
 	int ret;

 	arcpgu->clk = devm_clk_get(drm->dev, "pxlclk");
@@ -268,8 +267,7 @@ static int arcpgu_load(struct arcpgu_drm_private *arcpgu)
 	drm->mode_config.max_height = 1080;
 	drm->mode_config.funcs = &arcpgu_drm_modecfg_funcs;

-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	arcpgu->regs = devm_ioremap_resource(&pdev->dev, res);
+	arcpgu->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(arcpgu->regs))
 		return PTR_ERR(arcpgu->regs);

--
2.43.0