diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
index a1453053e31ab..ef8169f6c428c 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -1060,7 +1060,7 @@ static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
 	}
 
 	/* aspect ratio VUI */
-	readl(mfc_regs->e_h264_options);
+	reg = readl(mfc_regs->e_h264_options);
 	reg &= ~(0x1 << 5);
 	reg |= ((p_h264->vui_sar & 0x1) << 5);
 	writel(reg, mfc_regs->e_h264_options);
@@ -1083,7 +1083,7 @@ static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
 
 	/* intra picture period for H.264 open GOP */
 	/* control */
-	readl(mfc_regs->e_h264_options);
+	reg = readl(mfc_regs->e_h264_options);
 	reg &= ~(0x1 << 4);
 	reg |= ((p_h264->open_gop & 0x1) << 4);
 	writel(reg, mfc_regs->e_h264_options);
@@ -1097,23 +1097,23 @@ static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
 	}
 
 	/* 'WEIGHTED_BI_PREDICTION' for B is disable */
-	readl(mfc_regs->e_h264_options);
+	reg = readl(mfc_regs->e_h264_options);
 	reg &= ~(0x3 << 9);
 	writel(reg, mfc_regs->e_h264_options);
 
 	/* 'CONSTRAINED_INTRA_PRED_ENABLE' is disable */
-	readl(mfc_regs->e_h264_options);
+	reg = readl(mfc_regs->e_h264_options);
 	reg &= ~(0x1 << 14);
 	writel(reg, mfc_regs->e_h264_options);
 
 	/* ASO */
-	readl(mfc_regs->e_h264_options);
+	reg = readl(mfc_regs->e_h264_options);
 	reg &= ~(0x1 << 6);
 	reg |= ((p_h264->aso & 0x1) << 6);
 	writel(reg, mfc_regs->e_h264_options);
 
 	/* hier qp enable */
-	readl(mfc_regs->e_h264_options);
+	reg = readl(mfc_regs->e_h264_options);
 	reg &= ~(0x1 << 8);
 	reg |= ((p_h264->open_gop & 0x1) << 8);
 	writel(reg, mfc_regs->e_h264_options);
@@ -1134,7 +1134,7 @@ static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
 	writel(reg, mfc_regs->e_h264_num_t_layer);
 
 	/* frame packing SEI generation */
-	readl(mfc_regs->e_h264_options);
+	reg = readl(mfc_regs->e_h264_options);
 	reg &= ~(0x1 << 25);
 	reg |= ((p_h264->sei_frame_packing & 0x1) << 25);
 	writel(reg, mfc_regs->e_h264_options);