2014-01-28 14:14:56

by Pavel Machek

Subject: Re: [PATCH 01/11] resolve PXA<->8250 serial device address conflict

Hi!

> PXA serial ports have "standard" UART names (ttyS[0-3]), major
> device number (4) and first minor device number (64) by default.
>
> If the system has extra 8250 serial port hardware in addition
> to onboard PXA serial ports, default settings produce a device
> allocation conflict.
>
> The patch provides a configuration option which can move onboard
> ports out of the way of 8250_core by assigning a different (204)
> major number and corresponding device names (ttySA[0-3]).

Yes, please. I was hitting the same issue with Sharp Zaurus and bluetooth
CF card... Bluetooth card had 8250 inside...


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2014-01-28 14:20:42

by Sergei Ianovich

Subject: Re: [PATCH 01/11] resolve PXA<->8250 serial device address conflict

On Tue, 2014-01-28 at 15:14 +0100, Pavel Machek wrote:
> Yes, please. I was hitting the same issue with Sharp Zaurus and bluetooth
> CF card... Bluetooth card had 8250 inside...

A better implementation is posted as v3 of the patch.

http://linux-kernel.2935.n7.nabble.com/PATCH-00-11-ARM-support-for-ICP-DAS-LP-8x4x-tp761919p773485.html

It would be great if you could test that patch add post back the
results.