1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/input/serio/at32psif.c b/drivers/input/serio/at32psif.c
index 50bdc00c49d..b54452a8c77 100644
--- a/drivers/input/serio/at32psif.c
+++ b/drivers/input/serio/at32psif.c
@@ -137,7 +137,7 @@ static int psif_write(struct serio *io, unsigned char val)
         spin_lock_irqsave(&psif->lock, flags);
 
         while (!(psif_readl(psif, SR) & PSIF_BIT(TXEMPTY)) && timeout--)
-                msleep(10);
+                udelay(50);
 
         if (timeout >= 0) {
                 psif_writel(psif, THR, val);