linux-kernel - Re: [microblaze-uclinux] [PATCH 11/11] microblaze: Kconfig: Enable drivers for Microblaze

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Date:	Fri, 17 Apr 2009 00:52:02 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	John Williams <john.williams@...alogix.com>
Cc:	microblaze-uclinux@...e.uq.edu.au, linux-kernel@...r.kernel.org,
	Michal Simek <monstr@...str.eu>
Subject: Re: [microblaze-uclinux] [PATCH 11/11] microblaze: Kconfig: Enable 
	drivers for Microblaze

On Thu, Apr 16, 2009 at 11:01 PM, John Williams
<john.williams@...alogix.com> wrote:
> On Thu, Apr 16, 2009 at 7:56 PM,  <monstr@...str.eu> wrote:
>> From: Michal Simek <monstr@...str.eu>
>>
>> Signed-off-by: Michal Simek <monstr@...str.eu>
>
> ACK from a MicroBlaze perspective, but some other comments below:

Acked-by: Grant Likely <grant.likely@...retlab.ca>

But I'm not sure who should pick this up.

>
> A note more for the Xilinx PPC folks (ie Grant Likely):
>
> Shouldn't some of these Kconfig depends for PPC be unified?  We have:
>
>>  config XILINX_SYSACE
>>        tristate "Xilinx SystemACE support"
>> -       depends on 4xx
>> +       depends on 4xx || MICROBLAZE
>
>>  config XILINX_HWICAP
>>        tristate "Xilinx HWICAP Support"
>> -       depends on XILINX_VIRTEX
>> +       depends on XILINX_VIRTEX || MICROBLAZE
>
>
>>  config GPIO_XILINX
>>        bool "Xilinx GPIO support"
>> -       depends on PPC_OF
>> +       depends on PPC_OF || MICROBLAZE
>>        help
>>          Say yes here to support the Xilinx FPGA GPIO device
>
> Are these all really different options?  PPC_OF?  XILINX_VIRTEX?  4xx?

xsysace should just depend on either PPC or OF.  It is applicable to
more than just virtex/spartan systems (I know of at least one
non-virtex 440 board with a systemace, hence the 4xx usage), and it is
conceivable that it would be used on other architectures.

XILINX_VIRTEX makes some sense for hwicap

PPC_OF doesn't have any real meaning anymore.  PPC would be better.

g.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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