serial tty name

[Richard Zhao]

On Wed, Dec 14, 2011 at 09:31:59AM -0600, Rob Herring wrote:
> Richard,
> 
> On 12/14/2011 08:43 AM, Richard Zhao wrote:
> > How to map different uart port to ttymxc0 (take imx for example)?
> > 
> > In rootfs, it usually "getty ttymxc0"  to get
> > serial console. And the rootfs may be shared by different boards.
> > Traditionaly way is to set right platform device ID.
> > 
> > But with DT, UART2 always generate ttymxc1, UART3 for ttymxc2. You
> > always needs to modify the getty command when your change another board.
> > 
> > Is there a way to fix it?
> 
> That's what the aliases are for.
so, why do I see people define uart aliases in $SOC.dtsi, rather not in $BOARD.dts?

Thanks
Richard
> 
> Rob
> 
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