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Commit 8fe789dc authored by Rajendra Nayak's avatar Rajendra Nayak Committed by Tony Lindgren
Browse files

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: default avatarRajendra Nayak <rnayak@ti.com>
Reviewed-by: default avatarRob Herring <rob.herring@calxeda.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent ba77433d

drivers/tty/serial/omap-serial.c

+7 −0
Original line number Diff line number Diff line
@@ -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;