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From: Mark Brown <broonie@kernel.org>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: Jassi Brar <jassisinghbrar@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org,
Arnd Bergmann <arnd@arndb.de>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Cristian Marussi <cristian.marussi@arm.com>
Subject: Re: [PATCH 0/6] mailbox: arm_mhu: add support to use in doorbell mode
Date: Wed, 5 Jun 2019 20:46:36 +0100 [thread overview]
Message-ID: <20190605194636.GW2456@sirena.org.uk> (raw)
In-Reply-To: <20190604093827.GA31069@e107533-lin.cambridge.arm.com>
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On Tue, Jun 04, 2019 at 10:44:24AM +0100, Sudeep Holla wrote:
> On Mon, Jun 03, 2019 at 08:39:46PM +0100, Mark Brown wrote:
>
> > It feels like the issues with sharing access to the hardware and with the
> > API for talking to doorbell hardware are getting tied together and
> > confusing things. But like I say I might be missing something here.
...
> So what I am trying to convey here is MHU controller hardware can be
> used choosing one of the different transport protocols available and
> that's platform choice based on the use-case.
> The driver in the kernel should identify the same from the firmware/DT
> and configure it appropriately.
> It may get inefficient and sometime impossible to address all use-case
> if we stick to one transport protocol in the driver and try to build
> an abstraction on top to use in different transport mode.
Right, what I was trying to get at was that it feels like the discussion
is getting wrapped up in the specifics of the MHU rather than
representing this sort of controller with multiple modes in the
framework. It's important for establishing the use case but ultimately
a separate issue.
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next prev parent reply other threads:[~2019-06-05 19:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-31 14:33 Sudeep Holla
2019-05-31 14:33 ` [PATCH 1/6] mailbox: add support for doorbell/signal mode controllers Sudeep Holla
2019-06-03 21:51 ` Jassi Brar
2019-06-04 9:01 ` Sudeep Holla
2019-05-31 14:33 ` [PATCH 2/6] mailbox: arm_mhu: reorder header inclusion and drop unneeded ones Sudeep Holla
2019-05-31 14:33 ` [PATCH 3/6] dt-bindings: mailbox: add bindings to support ARM MHU doorbells Sudeep Holla
2019-05-31 14:33 ` [PATCH 4/6] mailbox: arm_mhu: migrate to threaded irq handler Sudeep Holla
2019-05-31 14:33 ` [PATCH 5/6] mailbox: arm_mhu: re-factor data structure to add doorbell support Sudeep Holla
2019-05-31 14:33 ` [PATCH 6/6] mailbox: arm_mhu: add full support for the doorbells Sudeep Holla
2019-05-31 16:21 ` [PATCH 0/6] mailbox: arm_mhu: add support to use in doorbell mode Jassi Brar
2019-05-31 16:53 ` Sudeep Holla
2019-06-03 19:39 ` Mark Brown
2019-06-04 9:44 ` Sudeep Holla
2019-06-05 19:46 ` Mark Brown [this message]
2019-06-06 0:51 ` Jassi Brar
2019-06-06 12:51 ` Sudeep Holla
2019-06-06 15:20 ` Jassi Brar
2019-06-06 15:40 ` Sudeep Holla
2019-06-13 15:08 ` Sudeep Holla
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