diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index f1c036260d2537eeb5e1a52fd9c6ceb6c191adcf..f9e5c793f4f093d888ee34a1ab000830bec2538c 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -212,7 +212,7 @@ static unsigned int ps2_test_one(struct ps2if *ps2if,
 
 	writel_relaxed(PS2CR_ENA | mask, ps2if->base + PS2CR);
 
-	udelay(2);
+	udelay(10);
 
 	val = readl_relaxed(ps2if->base + PS2STAT);
 	return val & (PS2STAT_KBC | PS2STAT_KBD);