diff options
| author |   Rajendra Nayak <rnayak@ti.com> | 2011-12-14 17:25:44 +0530 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2011-12-16 14:10:55 -0800 |
| commit | 8fe789dc375a1929bf64a9b982140cf394c8bce5 (patch) | |
| tree | e64b153b1cc212d4eee2ec8ba221b8eb0c01c1ad /drivers/tty | |
| parent | omap-serial: Get rid of all pdev->id usage (diff) | |
| download | linux-dev-8fe789dc375a1929bf64a9b982140cf394c8bce5.tar.xz linux-dev-8fe789dc375a1929bf64a9b982140cf394c8bce5.zip | |
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 <rnayak@ti.com>
Reviewed-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | 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 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; |