From 8fe789dc375a1929bf64a9b982140cf394c8bce5 Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Wed, 14 Dec 2011 17:25:44 +0530 Subject: omap-serial: Use default clock speed (48Mhz) if not specified 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 Reviewed-by: Rob Herring Signed-off-by: Tony Lindgren --- drivers/tty/serial/omap-serial.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/tty') 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 #include +#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; -- cgit v1.2.3