[PATCH 4/6] Add multi mport support.

Kumar Gala galak at kernel.crashing.org
Thu Jan 31 17:15:21 EST 2008

On Jan 30, 2008, at 11:57 PM, Zhang Wei wrote:

>> -----Original Message-----
>> From: Kumar Gala [mailto:galak at kernel.crashing.org]
>> On Jan 30, 2008, at 4:30 AM, Zhang Wei wrote:
>>> Change lots of static variable to mport private. And add
>> mport to some
>>> function declaration.
>> Can you explain this patch further.  Its not clear exactly from this
>> commit message why we are doing this.
>> - k
> Sorry about I have a little hurry about it.
> The original RapidIO driver suppose there is only one mpc85xx RIO
> controller
> in system. So, some data structures are defined as mpc85xx_rio global,
> such as 'regs_win', 'dbell_ring', 'msg_tx_ring'. Now, I changed them  
> to
> mport's private members. And you can define multi RIO OF-nodes in dts
> file
> for multi RapidIO controller in one processor, such as PCI/PCI-Ex host
> controllers
> in Freescale's silicon. And the mport operation function declaration
> should be changed
> to know which RapidIO controller is target.

thanks, this makes a lot of sense and now reviewing the patch will  
make some sense to me :)

- k

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