Bug in drivers/serial/of_serial.c?

[Stephen Neuendorffer]

> -----Original Message-----
> From: linuxppc-dev-bounces+stephen=neuendorffer.name at lists.ozlabs.org
[mailto:linuxppc-dev-
> bounces+stephen=neuendorffer.name at lists.ozlabs.org] On Behalf Of Arnd
Bergmann
> Sent: Thursday, November 19, 2009 9:33 AM
> To: Stephen Neuendorffer
> Cc: John Linn; Alon Ziv; linuxppc-dev at lists.ozlabs.org
> Subject: Re: Bug in drivers/serial/of_serial.c?
> 
> On Thursday 19 November 2009, Stephen Neuendorffer wrote:
> > If the problem is in the device trees that are being generated, we
> > should fix the issue there.
> > We've been trying to avoid putting the fully specified IP versions
in
> > the kernel like this, since
> > the IP changes so often.
> 
> No, the problem that Alon has is that the firmware currently has no
> way whatsoever to give a correct device tree, because of-serial.c
> does not even know about ns16550a.
> 
> The patch adds both a special-case for the specific uart he
> is using so that one is grandfathered in and a new compatible
> value so future boards can specify both ns16550a and ns16550.

That's true...  The 16550a line still needs to get added, but not the
xlnx-
specific line.

Steve


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