[RFC] possible removal of omap-serial

Felipe Balbi balbi at ti.com
Fri Mar 21 13:36:53 EDT 2014


Hi,

On Fri, Mar 21, 2014 at 10:10:30AM -0700, Tony Lindgren wrote:
> > > On the support side, I'm not looking forward to this for beagle/panda
> > > users.  We've already converted them once from ttySx -> ttyOx back in
> > > 2.6.33/2.6.34? days.  That was an irc/email/u-boot/kernel nightmare...
> > 
> > that's exactly why we're talking about ways to maintain backwards
> > compatibility here. But I'm more interested in finding a way to switch
> > over to ttyS and have a symlink to ttyO, that way a simple debootstrap
> > (or any other ARM distro minimal rootfs) would work out of the box,
> > without any changes, just like in "normal" systems.
> 
> Yeah let's not break things. The symlink solution won't work for kernel

again. Let's not break things again.

> console output so it needs to be dealt with some other way.

it would if kernel itself would create the symlink, but that might not
be doable in a clean way.

> It seems that the biggest amount of work is making existing 8250
> support the missing features in a clean way and without breaking
> other platforms. Looks like 8250_dw.c has some pm_runtime_calls so
> obviously it's doable.

right

-- 
balbi
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