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Date:	Thu, 20 Mar 2014 22:01:37 +0530
From:	Jassi Brar <>
To:	Arnd Bergmann <>
Cc:	"" 
	Girish K S <>,,
	Linux Kernel Mailing List <>,
	Suman Anna <>, Ilho Lee <>
Subject: Re: [PATCH 2/2] arm64: dts: exynos: added mailbox node

On Thu, Mar 20, 2014 at 9:42 PM, Arnd Bergmann <> wrote:
> On Thursday 20 March 2014 21:39:56 Jassi Brar wrote:
>> On Wed, Mar 19, 2014 at 11:16 PM, Arnd Bergmann <> wrote:
>> > On Monday 17 March 2014, Jassi Brar wrote:
>> >>   Perhaps the mailbox controller driver should name its links as it
>> >> wants. By how the remote works with the mailbox links, the client
>> >> driver asks for a specific mailbox link (which maybe a hardcoded
>> >> string in the driver or be gotten alongside other data via client's
>> >> DT) ?
>> >
>> > I don't see why we should do it any different from the other bindings.
>> > Let's just stick with mboxes/mbox-names or mailboxes/mailbox-names
>> > if you prefer.
>> >
>> >>   IOW we can't have a generic API/DT-bindings that could get us
>> >> reusable client drivers. But only common framework/code that would
>> >> otherwise be duplicated by every platform.
>> >
>> > That is a major benefit though.
>> > Also even if most drivers won't work across multiple platforms, there
>> > is still a reasonable chance that /some/ drivers will.
>> >
>> It seems those /some/ drivers will have to work with everything same
>> but the channel name (which the client could get from its DT node when
>> the second platform appears).
> Why would you ever have varying channel names? I would expect that
> the name is always fixed in the binding of the client driver, like
> we do for clocks or interrupts for instance.
I meant across platforms and without generic DT bindings for
mailboxes. Not during runtime.

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