From: Jassi Brar <jassisinghbrar@gmail.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Devicetree List <devicetree@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Sudeep Holla <sudeep.holla@arm.com>,
Frank Rowand <frowand.list@gmail.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [RFC] dt-bindings: mailbox: add doorbell support to ARM MHU
Date: Mon, 18 May 2020 19:53:54 -0500 [thread overview]
Message-ID: <CABb+yY0vihfQSi=067AUNZd8sHACJ_4CKvFvsoCfweVuL=RD0g@mail.gmail.com> (raw)
In-Reply-To: <20200518073514.tjodf6qxg3wjzyb4@vireshk-i7>
On Mon, May 18, 2020 at 2:42 AM Viresh Kumar <viresh.kumar@linaro.org> wrote:
>
> On 15-05-20, 11:46, Jassi Brar wrote:
> > As I asked you yesterday over the call, it may help if you could share
> > some numbers to back up the doomsday scenario.
>
> Yes, I have already asked Sudeep to get some numbers for this. He will
> get back to us.
>
Thanks, current bottleneck numbers and the patch/changes to improve
that, would help.
> > > - With the current approach it isn't possible to assign different bits
> > > (or doorbell numbers) to clients from DT and the only way of doing
> > > that without adding new bindings is by extending #mbox-cells to accept
> > > a value of 2 as done in this patch.
> > >
> > I am afraid you are confused. You can use bit/doorbell-6 by passing
> > 0x40 to mhu as the data to send.
>
> That's how the code will do it, right I agree. What I was asking was
> the way this information is passed from DT.
>
That is a client/protocol property and has nothing to do with the
controller dt node.
cheers!
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-05-19 0:54 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-15 5:17 [RFC] dt-bindings: mailbox: add doorbell support to ARM MHU Viresh Kumar
2020-05-15 16:46 ` Jassi Brar
2020-05-18 7:35 ` Viresh Kumar
2020-05-19 0:53 ` Jassi Brar [this message]
2020-05-19 4:39 ` Viresh Kumar
2020-05-19 1:29 ` Bjorn Andersson
2020-05-19 3:40 ` Viresh Kumar
2020-05-19 4:05 ` Jassi Brar
2020-06-03 18:31 ` Sudeep Holla
2020-06-03 18:42 ` Jassi Brar
2020-06-03 18:28 ` Sudeep Holla
2020-05-28 19:20 ` Rob Herring
2020-05-29 4:07 ` Viresh Kumar
2020-06-03 18:04 ` Sudeep Holla
2020-06-03 18:17 ` Sudeep Holla
2020-06-04 5:59 ` Viresh Kumar
2020-06-04 8:28 ` Sudeep Holla
2020-06-03 18:32 ` Jassi Brar
2020-06-04 9:20 ` Sudeep Holla
2020-06-04 15:15 ` Jassi Brar
2020-06-05 4:56 ` Sudeep Holla
2020-06-05 6:30 ` Jassi Brar
[not found] ` <20200605085830.GA32372@bogus>
2020-06-05 15:42 ` Jassi Brar
2020-06-10 9:33 ` Viresh Kumar
2020-06-11 10:00 ` Sudeep Holla
2020-06-12 0:34 ` Jassi Brar
2020-06-12 5:28 ` Viresh Kumar
2020-09-08 9:14 ` Arnd Bergmann
2020-09-08 9:27 ` Viresh Kumar
2020-09-08 13:26 ` Sudeep Holla
2020-09-09 3:23 ` Jassi Brar
2020-09-09 4:46 ` Viresh Kumar
2020-09-09 9:31 ` Sudeep Holla
2020-05-29 5:20 ` Jassi Brar
2020-05-29 6:27 ` Viresh Kumar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CABb+yY0vihfQSi=067AUNZd8sHACJ_4CKvFvsoCfweVuL=RD0g@mail.gmail.com' \
--to=jassisinghbrar@gmail.com \
--cc=arnd@arndb.de \
--cc=bjorn.andersson@linaro.org \
--cc=devicetree@vger.kernel.org \
--cc=frowand.list@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=robh+dt@kernel.org \
--cc=sudeep.holla@arm.com \
--cc=viresh.kumar@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).