linux-kernel - Re: [PATCH v3 0/2] firmware: exynos-acpm: allow use during system shutdown

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Message-Id: <174400843030.38277.2924199101043205009.b4-ty@linaro.org>
Date: Mon, 07 Apr 2025 08:47:10 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Krzysztof Kozlowski <krzk@...nel.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>, 
 André Draszik <andre.draszik@...aro.org>
Cc: Peter Griffin <peter.griffin@...aro.org>, 
 Will McVicker <willmcvicker@...gle.com>, kernel-team@...roid.com, 
 linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 0/2] firmware: exynos-acpm: allow use during system
 shutdown


On Tue, 25 Mar 2025 09:46:06 +0000, André Draszik wrote:
> One user of this ACPM driver is a PMIC driver that needs to communicate
> with the PMIC during late system shutdown [1] and at that time we are
> not allowed to sleep anymore.
> 
> This series address this by switching the code to using udelay() in the
> specific case of system shutdown. This approach was inspired by I2C's
> i2c_in_atomic_xfer_mode(), which has to deal with a similar corner
> case.
> 
> [...]

Applied, thanks!

[1/2] firmware: exynos-acpm: use ktime APIs for timeout detection
      https://git.kernel.org/krzk/linux/c/d2098981eb7b7d20edd294a8431908f8a0d2f9c0
[2/2] firmware: exynos-acpm: allow use during system shutdown
      https://git.kernel.org/krzk/linux/c/2d14c680e92f09d18b984cd1a8fae437f9ebc2ab

Best regards,
-- 
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>