1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index bbae5a220219..e1a2e413eb7d 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -685,7 +685,7 @@ static void dz_console_putchar(struct uart_port *uport, int ch)
         iob();
         spin_unlock_irqrestore(&dport->port.lock, flags);
 
-        while (loops--) {
+        do {
                 trdy = dz_in(dport, DZ_CSR);
                 if (!(trdy & DZ_TRDY))
                         continue;
@@ -696,7 +696,7 @@ static void dz_console_putchar(struct uart_port *uport, int ch)
                 dz_out(dport, DZ_TCR, mask);
                 iob();
                 udelay(2);
-        }
+        } while (loops--);
 
         if (loops)                              /* Cannot send otherwise. */
                 dz_out(dport, DZ_TDR, ch);