Thread (25 messages) 25 messages, 5 authors, 2008-02-18

RE: [PATCH 4/6] Add multi mport support.

From: Zhang Wei <hidden>
Date: 2008-02-18 07:33:47
Also in: lkml

Hi, Matt,

So glad to see you again!
-----Original Message-----
From: Matt Porter [mailto:mporter@kernel.crashing.org]=20
On Thu, Jan 31, 2008 at 02:30:13PM +0800, Zhang Wei wrote:
quoted
quoted
-----Original Message-----
From: Kumar Gala [mailto:galak@kernel.crashing.org]=20
when we have multiple ports are the device IDs on the=20
ports intended =20
quoted
quoted
to be unique only to a port or unique across all ports?
=20
I consider each RIO controller will has its own network,=20
the device IDs
quoted
should be
unique only in its port network.
=20
This is a bad assumption IMHO. It pushes policy on to the system
designer of a RapidIO network.
I know it is a real bad assumption. However, the RIO initial ID is only
transported to
 driver by kernel parameter "riohdid", which can not distinguish the
multi
 rio controllers. It may be more better add a "rio-id" property in RIO
dts node, but
 the u-boot need some changes to support the rio-id assignment.

Cheers!
Wei.
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