From: Marc Zyngier <marc.zyngier@arm.com>
To: Michal Simek <michal.simek@xilinx.com>,
linux-arm-kernel@lists.infradead.org,
Arnd Bergmann <arnd@arndb.de>
Cc: edgar.iglesias@xilinx.com, "Rob Herring" <robh@kernel.org>,
"Punnaiah Choudary Kalluri"
<punnaiah.choudary.kalluri@xilinx.com>,
"Jean Delvare" <jdelvare@suse.de>,
"Dinh Nguyen" <dinguyen@opensource.altera.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Tero Kristo" <t-kristo@ti.com>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Olof Johansson" <olof@lixom.net>,
"Sören Brinkmann" <soren.brinkmann@xilinx.com>,
"Kevin Hilman" <khilman@baylibre.com>,
"Nishanth Menon" <nm@ti.com>,
"Thierry Reding" <treding@nvidia.com>,
"Kevin Brodsky" <kevin.brodsky@arm.com>,
"Will Deacon" <will.deacon@arm.com>,
devicetree@vger.kernel.org, "Alexander Graf" <agraf@suse.de>,
"Sudeep Holla" <sudeep.holla@arm.com>,
"Moritz Fischer" <mdf@kernel.org>,
"Michal Simek" <monstr@monstr.eu>,
"Mark Rutland" <mark.rutland@arm.com>,
"Carlo Caione" <carlo@endlessm.com>,
"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
linux-kernel@vger.kernel.org,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: [PATCHv2 0/3] arm64 xilinx zynqmp firmware interface
Date: Wed, 16 Aug 2017 16:39:49 +0100 [thread overview]
Message-ID: <43deeed7-32c8-7914-5f44-862ebbe14a3b@arm.com> (raw)
In-Reply-To: <cover.1502886277.git.michal.simek@xilinx.com>
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...
next prev parent reply other threads:[~2017-08-16 15:39 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-16 12:24 Michal Simek
2017-08-16 12:24 ` [PATCHv2 1/3] dt: xilinx: zynqmp: Add bindings for PM firmware Michal Simek
2017-08-16 15:45 ` Sudeep Holla
2017-08-17 6:27 ` Michal Simek
2017-08-16 16:00 ` Mark Rutland
2017-08-17 6:26 ` Michal Simek
2017-08-16 12:24 ` [PATCHv2 2/3] arm64: zynqmp: dt: Add PM firmware node Michal Simek
2017-08-16 12:24 ` [PATCHv2 3/3] soc: xilinx: zynqmp: Add firmware interface Michal Simek
2017-08-16 15:58 ` Mark Rutland
2017-08-17 6:57 ` Michal Simek
2017-08-16 15:39 ` Marc Zyngier [this message]
2017-08-17 6:10 ` [PATCHv2 0/3] arm64 xilinx zynqmp " Michal Simek
2017-08-17 7:52 ` Marc Zyngier
2017-08-17 8:42 ` Michal Simek
2017-08-17 9:12 ` Sudeep Holla
2017-08-17 10:32 ` Michal Simek
2017-08-17 11:18 ` Sudeep Holla
2017-08-17 11:24 ` Michal Simek
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