From: Jassi Brar <jassisinghbrar@gmail.com>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: "Mark Rutland" <mark.rutland@arm.com>,
"Devicetree List" <devicetree@vger.kernel.org>,
"André Przywara" <andre.przywara@arm.com>,
"Chen-Yu Tsai" <wens@csie.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
linux-sunxi@googlegroups.com, "Rob Herring" <robh+dt@kernel.org>,
"Icenowy Zheng" <icenowy@aosc.xyz>,
"Maxime Ripard" <maxime.ripard@free-electrons.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/8] mailbox: introduce ARM SMC based mailbox
Date: Mon, 24 Jul 2017 23:22:41 +0530 [thread overview]
Message-ID: <CABb+yY0LYagAOet-KgP+PB__t26LdCSCnxtH6h_X+T37sq_5Wg@mail.gmail.com> (raw)
In-Reply-To: <0aaba7fb-2183-2d4d-ba04-64b30cd0ae10@arm.com>
On Mon, Jul 24, 2017 at 11:08 PM, Sudeep Holla <sudeep.holla@arm.com> wrote:
> On 24/07/17 18:20, Jassi Brar wrote:
>>
>>> I see that the SCPI firmware driver (as the user of the mailbox API) is
>>> expecting the return value from a0 as returned above, translating the
>>> firmware error codes into Linux' ones.
>>>
>> I am afraid, SCPI driver is not the golden example for client drivers
>> to follow. It is supposed to work only with MHU, and then, it is
>> likely to break if some other protocol is running parallel to it.
>>
>
> Not sure why do you say it works only with ARM MHU ? AmLogic uses it
> with their mailbox driver. However they followed an interim version of
> the SCPI spec which is termed "legacy" in the driver.
>
Screw coding... Just tell me what stuff do you smoke? Must be really good!
next prev parent reply other threads:[~2017-07-24 17:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-30 9:56 [PATCH 0/8] mailbox: arm/arm64: introduce smc triggered mailbox Andre Przywara
[not found] ` <20170630095608.24943-1-andre.przywara-5wv7dgnIgG8@public.gmane.org>
2017-06-30 9:56 ` [PATCH 1/8] mailbox: introduce ARM SMC based mailbox Andre Przywara
2017-07-02 5:55 ` Jassi Brar
[not found] ` <CABb+yY18Aye3wr2A9-+jemqc=VSRyUA+xzKGo9s0G4KCt1ovyA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-07-23 23:20 ` André Przywara
2017-07-24 17:20 ` Jassi Brar
2017-07-24 17:38 ` Sudeep Holla
2017-07-24 17:52 ` Jassi Brar [this message]
2017-06-30 9:56 ` [PATCH 2/8] dt-bindings: mailbox: add binding doc for the ARM SMC mailbox Andre Przywara
[not found] ` <20170630095608.24943-3-andre.przywara-5wv7dgnIgG8@public.gmane.org>
2017-07-07 13:53 ` Rob Herring
2017-07-07 14:35 ` Mark Rutland
2017-07-07 16:06 ` Andre Przywara
2017-06-30 9:56 ` [PATCH 3/8] mailbox: Kconfig: enable ARM SMC mailbox on 64-bit Allwinner SoCs Andre Przywara
2017-06-30 9:56 ` [PATCH 4/8] arm64: dts: allwinner: a64: add SCPI support Andre Przywara
2017-06-30 9:56 ` [PATCH 5/8] arm64: dts: allwinner: a64: add SCPI DVFS nodes Andre Przywara
2017-06-30 9:56 ` [PATCH 6/8] arm64: dts: allwinner: a64: add SCPI sensors support Andre Przywara
2017-06-30 9:56 ` [PATCH 7/8] arm64: dts: allwinner: a64: add SCPI power domain support Andre Przywara
2017-06-30 9:56 ` [PATCH 8/8] arm64: dts: allwinner: a64: add (unused) MMC clock node Andre Przywara
2017-06-30 12:25 ` [PATCH 0/8] mailbox: arm/arm64: introduce smc triggered mailbox Maxime Ripard
2017-06-30 12:56 ` Andre Przywara
[not found] ` <7a58855c-7481-320e-19f0-83bd113ef2c0-5wv7dgnIgG8@public.gmane.org>
2017-07-05 6:55 ` Maxime Ripard
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