Re: Q: MTD RAM in OF Device Tree

Re: Q: MTD RAM in OF Device Tree

[Wolfram Sang]

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Hello Albrecht,

(adding linux-mtd)

On Tue, May 19, 2009 at 01:59:00PM +0200, Albrecht Dreß wrote:
> 
> is there a standard way to define a ram chip (in my case a battery-buffered
> nv ram, attached to the 5200's Local Bus) in the OF tree, and are there any
> drivers (on 2.6.29.1) which pick up the chip/partition specification for mtd?
> Does such a driver exist, or do I have to write one (probably based on
> plat-ram.c?)?  I think of something like

I wrote such a driver (yet without partitioning support) and I am trying to get
it mainline, just didn't get any comments so far:

http://patchwork.ozlabs.org/patch/23557/
http://patchwork.ozlabs.org/patch/23556/

I'd be happy if you could give it a try and donate some
{Acked|Tested|Reviewed}-by tags. Maybe this will help for my next try to get
it mainline.

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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Re: Q: MTD RAM in OF Device Tree

[Grant Likely]

On Tue, May 19, 2009 at 6:27 AM, Wolfram Sang <w.sang@pengutronix.de> wrote:
> Hello Albrecht,
>
> (adding linux-mtd)
>
> On Tue, May 19, 2009 at 01:59:00PM +0200, Albrecht Dreß wrote:
>>
>> is there a standard way to define a ram chip (in my case a battery-buffered
>> nv ram, attached to the 5200's Local Bus) in the OF tree, and are there any
>> drivers (on 2.6.29.1) which pick up the chip/partition specification for mtd?
>> Does such a driver exist, or do I have to write one (probably based on
>> plat-ram.c?)?  I think of something like
>
> I wrote such a driver (yet without partitioning support) and I am trying to get
> it mainline, just didn't get any comments so far:
>
> http://patchwork.ozlabs.org/patch/23557/
> http://patchwork.ozlabs.org/patch/23556/
>
> I'd be happy if you could give it a try and donate some
> {Acked|Tested|Reviewed}-by tags. Maybe this will help for my next try to get
> it mainline.

I missed them when you posted them.  I'll go look now.
-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.