linux-kernel - Re: [PATCH v5 2/3] mailbox: add Samsung Exynos driver

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Message-ID: <CADrjBPp5M8+3eX75XEVPUO_voVBHP_ZbMXP6YRJbrw0xj8ftRQ@mail.gmail.com>
Date: Wed, 18 Dec 2024 11:58:47 +0000
From: Peter Griffin <peter.griffin@...aro.org>
To: Tudor Ambarus <tudor.ambarus@...aro.org>
Cc: Jassi Brar <jassisinghbrar@...il.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Krzysztof Kozlowski <krzk@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, linux-kernel@...r.kernel.org, 
	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, andre.draszik@...aro.org, 
	kernel-team@...roid.com, willmcvicker@...gle.com, daniel.lezcano@...aro.org, 
	vincent.guittot@...aro.org, ulf.hansson@...aro.org, arnd@...db.de
Subject: Re: [PATCH v5 2/3] mailbox: add Samsung Exynos driver

Hi Tudor,

On Tue, 17 Dec 2024 at 09:40, Tudor Ambarus <tudor.ambarus@...aro.org> wrote:
>
> The Samsung Exynos mailbox controller has 16 flag bits for hardware
> interrupt generation and a shared register for passing mailbox messages.
> When the controller is used by the ACPM protocol the shared register is
> ignored and the mailbox controller acts as a doorbell. The controller
> just raises the interrupt to APM after the ACPM protocol has written
> the message to SRAM.
>
> Add support for the Samsung Exynos mailbox controller.
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
> ---

Reviewed-by: Peter Griffin <peter.griffin@...aro.org>

regards,

Peter

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