linux-kernel - Re: [PATCH 0/3] at91

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Date:	26 Sep 2006 11:06:24 +0200
From:	Andrew Victor <andrew@...people.com>
To:	Russell King <rmk+lkml@....linux.org.uk>
Cc:	Haavard Skinnemoen <hskinnemoen@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] at91_serial: Introduction

hi,

> On Wed, Aug 02, 2006 at 04:51:45PM +0200, Haavard Skinnemoen wrote:
> > Another thing: Andrew, are you the official maintainer of this driver?
> > If not, who is?
> 
> I've not heard from Andrew, so I'm not sure what to do about this.  I
> think these changes need validating by someone with the existing driver's
> hardware (iow, AT91RM9200 and/or AT91SAM9261) so we can be sure we don't
> break that support.

For patch 1, I'm not to keen on the:

  +#ifdef CONFIG_AVR32
  +       port->flags |= UPF_IOREMAP;
  +       port->membase = ioremap(pdev->resource[0].start,
  +                               pdev->resource[0].end
  +                               - pdev->resource[0].start + 1);
  +#else

part.  It might be better to pass a flag (in the platform_data
structure) whether we are providing a virtual or a physical address.
(If you want early init on the serial console, then I recommend just
using a static mapping for the DBGU peripheral).

Patch 2 & 3 look correct, but they would need to be tested.


Regards,
  Andrew Victor


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