serial: mxs_auart: Staticize local functions
Staticize local functions in mxs_auart driver.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/drivers/serial/mxs_auart.c b/drivers/serial/mxs_auart.c
index 7cfe5bc..fc0fa96 100644
--- a/drivers/serial/mxs_auart.c
+++ b/drivers/serial/mxs_auart.c
@@ -40,7 +40,7 @@
* Sets the baud rate and settings.
* The settings are: 8 data bits, no parit and 1 stop bit.
*/
-void mxs_auart_setbrg(void)
+static void mxs_auart_setbrg(void)
{
u32 div;
u32 linectrl = 0;
@@ -77,7 +77,7 @@
writel(linectrl, ®s->hw_uartapp_linectrl);
}
-int mxs_auart_init(void)
+static int mxs_auart_init(void)
{
struct mxs_uartapp_regs *regs = get_uartapp_registers();
/* Reset everything */
@@ -99,7 +99,7 @@
return 0;
}
-void mxs_auart_putc(const char c)
+static void mxs_auart_putc(const char c)
{
struct mxs_uartapp_regs *regs = get_uartapp_registers();
/* Wait in loop while the transmit FIFO is full */
@@ -112,14 +112,14 @@
mxs_auart_putc('\r');
}
-int mxs_auart_tstc(void)
+static int mxs_auart_tstc(void)
{
struct mxs_uartapp_regs *regs = get_uartapp_registers();
/* Checks if receive FIFO is empty */
return !(readl(®s->hw_uartapp_stat) & UARTAPP_STAT_RXFE_MASK);
}
-int mxs_auart_getc(void)
+static int mxs_auart_getc(void)
{
struct mxs_uartapp_regs *regs = get_uartapp_registers();
/* Wait until a character is available to read */