drm/exynos: remove superfluous checks in g2d_check_reg_offset()

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The cases of the switch statement ensure that reg_type
can never be REG_TYPE_NONE here.

Signed-off-by: Tobias Jakobi <tjakobi@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_drm_g2d.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index ba00839..211af37 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -973,8 +973,6 @@ static int g2d_check_reg_offset(struct device *dev,
 				goto err;
 
 			reg_type = g2d_get_reg_type(reg_offset);
-			if (reg_type == REG_TYPE_NONE)
-				goto err;
 
 			/* check userptr buffer type. */
 			if ((cmdlist->data[index] & ~0x7fffffff) >> 31) {
@@ -989,8 +987,6 @@ static int g2d_check_reg_offset(struct device *dev,
 				goto err;
 
 			reg_type = g2d_get_reg_type(reg_offset);
-			if (reg_type == REG_TYPE_NONE)
-				goto err;
 
 			buf_desc = &buf_info->descs[reg_type];
 			value = cmdlist->data[index + 1];
@@ -1003,8 +999,6 @@ static int g2d_check_reg_offset(struct device *dev,
 				goto err;
 
 			reg_type = g2d_get_reg_type(reg_offset);
-			if (reg_type == REG_TYPE_NONE)
-				goto err;
 
 			buf_desc = &buf_info->descs[reg_type];
 			value = cmdlist->data[index + 1];
@@ -1018,8 +1012,6 @@ static int g2d_check_reg_offset(struct device *dev,
 				goto err;
 
 			reg_type = g2d_get_reg_type(reg_offset);
-			if (reg_type == REG_TYPE_NONE)
-				goto err;
 
 			buf_desc = &buf_info->descs[reg_type];
 			value = cmdlist->data[index + 1];
-- 
2.0.5

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