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path: root/drivers/tty/serial/liteuart.c
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Diffstat (limited to 'drivers/tty/serial/liteuart.c')
-rw-r--r--drivers/tty/serial/liteuart.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
index 7f74bf7bdcff..328b50521f14 100644
--- a/drivers/tty/serial/liteuart.c
+++ b/drivers/tty/serial/liteuart.c
@@ -93,7 +93,7 @@ static void liteuart_timer(struct timer_list *t)
mod_timer(&uart->timer, jiffies + uart_poll_timeout(port));
}
-static void liteuart_putchar(struct uart_port *port, int ch)
+static void liteuart_putchar(struct uart_port *port, unsigned char ch)
{
while (litex_read8(port->membase + OFF_TXFULL))
cpu_relax();