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Message-ID: <20190807102817.GG16546@e107155-lin>
Date: Wed, 7 Aug 2019 11:28:17 +0100
From: Sudeep Holla <sudeep.holla@....com>
To: Peng Fan <peng.fan@....com>
Cc: "linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Bo Zhang <bozhang.zhang@...adcom.com>,
Jim Quinlan <james.quinlan@...adcom.com>,
Volodymyr Babchuk <volodymyr_babchuk@...m.com>,
Gaku Inami <gaku.inami.xh@...esas.com>,
"aidapala@....qualcomm.com" <aidapala@....qualcomm.com>,
"pajay@....qualcomm.com" <pajay@....qualcomm.com>,
Etienne Carriere <etienne.carriere@...aro.org>,
Souvik Chakravarty <Souvik.Chakravarty@....com>,
"wesleys@...inx.com" <wesleys@...inx.com>,
Felix Burton <fburton@...inx.com>,
Saeed Nowshadi <saeed.nowshadi@...inx.com>,
Ionela Voinescu <Ionela.Voinescu@....com>,
Chris Redpath <Chris.Redpath@....com>,
Quentin Perret <Quentin.Perret@....com>
Subject: Re: [PATCH v2 1/5] firmware: arm_scmi: Add discovery of SCMI v2.0
performance fastchannels
On Wed, Aug 07, 2019 at 09:23:41AM +0000, Peng Fan wrote:
> > Subject: [PATCH v2 1/5] firmware: arm_scmi: Add discovery of SCMI v2.0
> > performance fastchannels
> >
> > SCMI v2.0 adds support for "FastChannel", a lightweight unidirectional
> > channel that is dedicated to a single SCMI message type for controlling a
> > specific platform resource. They do not use a message header as they are
> > specialized for a single message.
> >
> > Only PERFORMANCE_LIMITS_{SET,GET} and
> > PERFORMANCE_LEVEL_{SET,GET} commands are supported over
> > fastchannels. As they are optional, they need to be discovered by
> > PERFORMANCE_DESCRIBE_FASTCHANNEL command.
> > Further {LIMIT,LEVEL}_SET commands can have optional doorbell support.
> >
> > Add support for discovery of these fastchannels.
> >
> > Cc: Ionela Voinescu <Ionela.Voinescu@....com>
> > Cc: Chris Redpath <Chris.Redpath@....com>
> > Cc: Quentin Perret <Quentin.Perret@....com>
> > Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> > ---
> > drivers/firmware/arm_scmi/perf.c | 153
> > ++++++++++++++++++++++++++++++-
> > 1 file changed, 149 insertions(+), 4 deletions(-)
> >
[...]
>
> Reviewed-by: Peng Fan <peng.fan@....com>
>
Thanks for the review.
--
Regards,
Sudeep
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