Re: [PATCH 1/2] ARM: OMAP2+: move mailbox.h out of plat-omap headers

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* Omar Ramirez Luna <omar.luna@xxxxxxxxxx> [121030 05:20]:
> Tony,
> 
> On 29 October 2012 12:52, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> >> --- /dev/null
> >> +++ b/include/linux/platform_data/omap_mailbox.h
> >> @@ -0,0 +1,105 @@
> >
> > This file should only contain pure platform data needed
> > by the core omap code to pass to the mailbox driver.
> 
> Ok, looking at it closely, this header file is related to the API
> itself, there is nothing that could be actually considered as pure
> platform data, the structures are related with the mailbox framework
> and even if I split this file into two, the additional header would
> end up including the "platform_data" header unless I move
> save/restore_ctx functions and then export them as symbols for the
> API.
> 
> So, it might be better for the entire file to sit in
> linux/include/mailbox/ then.

OK to me.
 
> > The mailbox API header should be somewhere else,
> > like include/linux/mailbox/mailbox-omap.h or similar.
> 
> Ok.
> 
> > But shouldn't this all now be handled by using the
> > remoteproc framework?
> 
> Remoteproc doesn't handle the mailbox hardware directly, it still
> relies in the mailbox framework for the low level communications.
> E.g.: Proc1 has a message (virtqueue msg) queued to Proc2, uses
> mailbox msg to generate an interrupt to Proc2, Proc2 queries the
> message (virtqueue) based on the mailbox message received.

OK.

Greg, do these patches look OK to you to move to live under
drivers/mailbox?

Regards,

Tony
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