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path: root/drivers/tty/serial/omap-serial.c
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Diffstat (limited to 'drivers/tty/serial/omap-serial.c')
-rw-r--r--drivers/tty/serial/omap-serial.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 1baf24b96469..c5b545f19a16 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -43,6 +43,8 @@
#include <plat/dmtimer.h>
#include <plat/omap-serial.h>
+#define DEFAULT_CLK_SPEED 48000000 /* 48Mhz*/
+
static struct uart_omap_port *ui[OMAP_MAX_HSUART_PORTS];
/* Forward declaration of functions */
@@ -1387,6 +1389,11 @@ static int serial_omap_probe(struct platform_device *pdev)
up->port.flags = omap_up_info->flags;
up->port.uartclk = omap_up_info->uartclk;
+ if (!up->port.uartclk) {
+ up->port.uartclk = DEFAULT_CLK_SPEED;
+ dev_warn(&pdev->dev, "No clock speed specified: using default:"
+ "%d\n", DEFAULT_CLK_SPEED);
+ }
up->uart_dma.uart_base = mem->start;
up->errata = omap_up_info->errata;