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-rw-r--r--arch/arm/mach-omap2/display.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index f86b72d1d59e..1444b4b4bd9f 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -83,6 +83,7 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
 	u32 enable_mask, enable_shift;
 	u32 pipd_mask, pipd_shift;
 	u32 reg;
+	int ret;
 
 	if (dsi_id == 0) {
 		enable_mask = OMAP4_DSI1_LANEENABLE_MASK;
@@ -98,7 +99,11 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
 		return -ENODEV;
 	}
 
-	regmap_read(omap4_dsi_mux_syscon, OMAP4_DSIPHY_SYSCON_OFFSET, &reg);
+	ret = regmap_read(omap4_dsi_mux_syscon,
+					  OMAP4_DSIPHY_SYSCON_OFFSET,
+					  &reg);
+	if (ret)
+		return ret;
 
 	reg &= ~enable_mask;
 	reg &= ~pipd_mask;