standard property to convey device dma address width?

Kumar Gala galak at kernel.crashing.org
Wed Aug 18 06:54:19 EST 2010


On Aug 17, 2010, at 3:50 PM, Yoder Stuart-B08248 wrote:

> 
> 
>> -----Original Message-----
>> From: Kumar Gala [mailto:galak at kernel.crashing.org]
>> Sent: Monday, August 16, 2010 11:02 AM
>> To: devicetree-discuss
>> Cc: Yoder Stuart-B08248
>> Subject: standard property to convey device dma address width?
>> 
>> Do we or should we have a standard property to convey that address
>> width a device is capable of?
> 
> Is this a case of where a device can only address something like
> 32-bits, and you want some kind of per-device property to
> convey this?
> 
> Stuart

Exactly.  With SOC devices the address width different devices on the SOC can address may (and does) very.

- k


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