linux-kernel - Re: [PATCH 0/3] mailbox: Allow direct registration to a channel

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Date:   Wed, 22 Feb 2023 13:59:56 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Elliot Berman <quic_eberman@...cinc.com>
Cc:     Jassi Brar <jassisinghbrar@...il.com>,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 0/3] mailbox: Allow direct registration to a channel

On Thu, Feb 16, 2023 at 08:41:05AM -0800, Elliot Berman wrote:
> 
> 
> On 2/16/2023 1:58 AM, Sudeep Holla wrote:
> > On Wed, Feb 15, 2023 at 08:58:10AM -0800, Elliot Berman wrote:
> > > 
> > > 
> > > On 2/15/2023 2:17 AM, Sudeep Holla wrote:
> > > > On Mon, Feb 13, 2023 at 03:25:34PM -0800, Elliot Berman wrote:
> > > > > Two mailbox controllers have channel/client binding mechanisms that are
> > > > > controller-specific and not using the devicetree binding mechanisms. Mailbox
> > > > > channel/client is conceptually done in two steps: selecting the channel
> > > > > and binding the selected to channel to a client. Channel selection is sometimes
> > > > > controller specific (pcc and omap are examples). The channel/client binding
> > > > > code is all the same.
> > > > > 
> > > > > This small series de-duplicates and refactors the channel/client binding
> > > > > into a common framework function: "mbox_bind_client" which all of the
> > > > > channel selection mechanisms can use.
> > > > > 
> > > > > I found this duplicate code while working on the support for Gunyah hypervisor
> > > > > message queues [1]. I've only been able to compile-test omap-maiblox and pcc,
> > > > > however it is a straightforward conversion here.
> > > > > 
> > > > > [1]: https://lore.kernel.org/all/20230120224627.4053418-9-quic_eberman@quicinc.com/
> > > > > 
> > > > > Elliot Berman (3):
> > > > >     mailbox: Allow direct registration to a channel
> > > > 
> > > > I am unable to find the above patch either in my inbox or in lore[1].
> > > > Can you please repost the same ? I would like to test/review w.r.t PCC
> > > > driver.
> > > > 
> > > 
> > > Hi Sudeep,
> > > 
> > > Not sure why the patch didn't end up your inbox; lore seems to have linked
> > > it correctly and indicates you were in To:. If I missed something, let me
> > > know and I'll make sure you're properly included if future versions needed.
> > > 
> > > https://lore.kernel.org/all/20230213232537.2040976-4-quic_eberman@quicinc.com/
> > 
> > No, I do have patch 2/3 and 3/3 in my inbox along with the cover letter.
> > Patch 1/3 is missing in both my inbox and lore. Can you send me the lore
> > link for patch 1/3 if you are able to find it ? Or just repost the series
> > if you can't.
> > 
> 
> Huh, not sure what happened there. I got a copy of Patch 1/3 but I also
> don't see it in lore. Resent:
> 
> https://lore.kernel.org/all/20230216163804.456714-1-quic_eberman@quicinc.com/

Thanks.

You can add(tested PCC driver)

Tested-by: Sudeep Holla <sudeep.holla@....com>

-- 
Regards,
Sudeep