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path: root/drivers/tty/serial/digicolor-usart.c
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Diffstat (limited to 'drivers/tty/serial/digicolor-usart.c')
-rw-r--r--drivers/tty/serial/digicolor-usart.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/digicolor-usart.c b/drivers/tty/serial/digicolor-usart.c
index 13ac36e2da4f..6d70fea76bb3 100644
--- a/drivers/tty/serial/digicolor-usart.c
+++ b/drivers/tty/serial/digicolor-usart.c
@@ -381,7 +381,7 @@ static const struct uart_ops digicolor_uart_ops = {
.request_port = digicolor_uart_request_port,
};
-static void digicolor_uart_console_putchar(struct uart_port *port, int ch)
+static void digicolor_uart_console_putchar(struct uart_port *port, unsigned char ch)
{
while (digicolor_uart_tx_full(port))
cpu_relax();