From cbb5c0ee045133c66ee5d506d63f83d6abd291d1 Mon Sep 17 00:00:00 2001
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 21 Sep 2019 19:43:51 +0200
Subject: drm/komeda: Use devm_platform_ioremap_resource() in
Git-commit: 50ec5b563bed04b0b262822b755f6aa336f1f40a
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
komeda_dev_create()
Simplify this function implementation by using a known wrapper function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/64a6ea39-3e4b-2ebe-74f7-98720e581e3e@web.de
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/arm/display/komeda/komeda_dev.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
index 937a6d4c4865..14d5c5da9e3b 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
@@ -184,19 +184,12 @@ struct komeda_dev *komeda_dev_create(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
const struct komeda_product_data *product;
struct komeda_dev *mdev;
- struct resource *io_res;
int err = 0;
product = of_device_get_match_data(dev);
if (!product)
return ERR_PTR(-ENODEV);
- io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!io_res) {
- DRM_ERROR("No registers defined.\n");
- return ERR_PTR(-ENODEV);
- }
-
mdev = devm_kzalloc(dev, sizeof(*mdev), GFP_KERNEL);
if (!mdev)
return ERR_PTR(-ENOMEM);
@@ -204,7 +197,7 @@ struct komeda_dev *komeda_dev_create(struct device *dev)
mutex_init(&mdev->lock);
mdev->dev = dev;
- mdev->reg_base = devm_ioremap_resource(dev, io_res);
+ mdev->reg_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(mdev->reg_base)) {
DRM_ERROR("Map register space failed.\n");
err = PTR_ERR(mdev->reg_base);
--
2.28.0