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path: root/drivers/tty/serial/ip22zilog.c
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Diffstat (limited to 'drivers/tty/serial/ip22zilog.c')
-rw-r--r--drivers/tty/serial/ip22zilog.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c
index f4dc5fe4ba92..655e64b26852 100644
--- a/drivers/tty/serial/ip22zilog.c
+++ b/drivers/tty/serial/ip22zilog.c
@@ -990,7 +990,7 @@ static struct zilog_layout * __init get_zs(int chip)
#define ZS_PUT_CHAR_MAX_DELAY 2000 /* 10 ms */
#ifdef CONFIG_SERIAL_IP22_ZILOG_CONSOLE
-static void ip22zilog_put_char(struct uart_port *port, int ch)
+static void ip22zilog_put_char(struct uart_port *port, unsigned char ch)
{
struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);
int loops = ZS_PUT_CHAR_MAX_DELAY;