Hello. On 11/25/2014 11:26 AM, Lucas Stach wrote:
The general agreed way to specify a fixed line number for a serial console is to provide a "serial" alias in the devicetree. Start parsing this property in of_serial.
Signed-off-by: Lucas Stach <dev@xxxxxxxxxx> Acked-by: Olof Johansson <olof@xxxxxxxxx> --- As 3.16-rc6 landed the fix to avoid the regression that this patch was causing on Tegra it should be safe to reapply it. --- drivers/tty/serial/of_serial.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c index 8bc2563..920a831 100644 --- a/drivers/tty/serial/of_serial.c +++ b/drivers/tty/serial/of_serial.c @@ -101,6 +101,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev, if (of_property_read_u32(np, "fifo-size", &prop) == 0) port->fifosize = prop; + /* Check for a fixed line number */ + if ((ret = of_alias_get_id(np, "serial")) >= 0)
Don't use assignment in the *if* statement. If you would have ran your patch thru scripts/checkpatch.pl, it would have complained about that.
+ port->line = ret; +
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