[4/7] drm/exynos: rotator: use generic of_device_get_match_data helper

Message ID 1459516666-2004-5-git-send-email-m.szyprowski@samsung.com
State New
Headers show

Commit Message

Marek Szyprowski April 1, 2016, 1:17 p.m.
Simplify code by replacing custom code by generic helper.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

---
 drivers/gpu/drm/exynos/exynos_drm_rotator.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

-- 
1.9.2

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Patch

diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index f18fbe43f55f..404367a430b5 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -15,6 +15,7 @@ 
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/of_device.h>
 #include <linux/pm_runtime.h>
 
 #include <drm/drmP.h>
@@ -696,7 +697,6 @@  static int rotator_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct rot_context *rot;
 	struct exynos_drm_ippdrv *ippdrv;
-	const struct of_device_id *match;
 	int ret;
 
 	if (!dev->of_node) {
@@ -708,13 +708,8 @@  static int rotator_probe(struct platform_device *pdev)
 	if (!rot)
 		return -ENOMEM;
 
-	match = of_match_node(exynos_rotator_match, dev->of_node);
-	if (!match) {
-		dev_err(dev, "failed to match node\n");
-		return -ENODEV;
-	}
-	rot->limit_tbl = (struct rot_limit_table *)match->data;
-
+	rot->limit_tbl = (struct rot_limit_table *)
+				of_device_get_match_data(dev);
 	rot->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	rot->regs = devm_ioremap_resource(dev, rot->regs_res);
 	if (IS_ERR(rot->regs))