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path: root/drivers/tty/serial/fsl_lpuart.c
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Diffstat (limited to 'drivers/tty/serial/fsl_lpuart.c')
-rw-r--r--drivers/tty/serial/fsl_lpuart.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 7d90c5a530ee..87789872f400 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -2333,13 +2333,13 @@ static const struct uart_ops lpuart32_pops = {
static struct lpuart_port *lpuart_ports[UART_NR];
#ifdef CONFIG_SERIAL_FSL_LPUART_CONSOLE
-static void lpuart_console_putchar(struct uart_port *port, int ch)
+static void lpuart_console_putchar(struct uart_port *port, unsigned char ch)
{
lpuart_wait_bit_set(port, UARTSR1, UARTSR1_TDRE);
writeb(ch, port->membase + UARTDR);
}
-static void lpuart32_console_putchar(struct uart_port *port, int ch)
+static void lpuart32_console_putchar(struct uart_port *port, unsigned char ch)
{
lpuart32_wait_bit_set(port, UARTSTAT, UARTSTAT_TDRE);
lpuart32_write(port, ch, UARTDATA);