Use a default clock speed of 48Mhz, instead of ending up with 0, if platforms fail to specify a valid clock speed.
Signed-off-by: Rajendra Nayak rnayak@ti.com --- drivers/tty/serial/omap-serial.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index a02cc9f..f14b9c5 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 */ @@ -1386,6 +1388,11 @@ 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;