Simplify code by replacing custom code by generic helper.

Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_rotator.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

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))
-- 
1.9.2

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