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Message-ID: <43deeed7-32c8-7914-5f44-862ebbe14a3b@arm.com>
Date: Wed, 16 Aug 2017 16:39:49 +0100
From: Marc Zyngier <marc.zyngier@....com>
To: Michal Simek <michal.simek@...inx.com>,
linux-arm-kernel@...ts.infradead.org, Arnd Bergmann <arnd@...db.de>
Cc: edgar.iglesias@...inx.com, Rob Herring <robh@...nel.org>,
Punnaiah Choudary Kalluri
<punnaiah.choudary.kalluri@...inx.com>,
Jean Delvare <jdelvare@...e.de>,
Dinh Nguyen <dinguyen@...nsource.altera.com>,
Rob Herring <robh+dt@...nel.org>,
Tero Kristo <t-kristo@...com>,
Catalin Marinas <catalin.marinas@....com>,
Olof Johansson <olof@...om.net>,
Sören Brinkmann <soren.brinkmann@...inx.com>,
Kevin Hilman <khilman@...libre.com>,
Nishanth Menon <nm@...com>,
Thierry Reding <treding@...dia.com>,
Kevin Brodsky <kevin.brodsky@....com>,
Will Deacon <will.deacon@....com>, devicetree@...r.kernel.org,
Alexander Graf <agraf@...e.de>,
Sudeep Holla <sudeep.holla@....com>,
Moritz Fischer <mdf@...nel.org>,
Michal Simek <monstr@...str.eu>,
Mark Rutland <mark.rutland@....com>,
Carlo Caione <carlo@...lessm.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
linux-kernel@...r.kernel.org,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCHv2 0/3] arm64 xilinx zynqmp firmware interface
On 16/08/17 13:24, Michal Simek wrote:
> Hi,
>
> xilinx is using this interface for very long time and we can't merge our
> driver changes to Linux because of missing communication layer with
> firmware. This interface was developed before scpi and scmi was
> available. In connection to power management scpi and scmi are missing
> pieces which we already use. There is a separate discussion how to
> extend scmi to support all our use cases.
So maybe we should wait and see where this discussion is going before we
merge yet another firmware interface?
> This simply patch is not adding any power management features but only
> adding minimum functionality which are needed for drivers.
I don't get it. 600 lines of firmware interface that isn't used by
anything? Or is it? Needed by which driver?
Thanks,
M.
--
Jazz is not dead. It just smells funny...
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