linux-kernel - Re: (subset) [PATCH v2 1/2] mfd: bd96801: Add ERRB IRQ

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Message-Id: <172899925429.582805.1098830920671719671.b4-ty@kernel.org>
Date: Tue, 15 Oct 2024 14:34:14 +0100
From: Lee Jones <lee@...nel.org>
To: Matti Vaittinen <mazziesaccount@...il.com>, 
 Matti Vaittinen <mazziesaccount@...il.com>
Cc: Lee Jones <lee@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, 
 Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: (subset) [PATCH v2 1/2] mfd: bd96801: Add ERRB IRQ

On Thu, 03 Oct 2024 08:34:38 +0300, Matti Vaittinen wrote:
> The ROHM BD96801 "scalable PMIC" provides two physical IRQs. The ERRB
> handling can in many cases be omitted because it is used to inform fatal
> IRQs, which usually kill the power from the SOC.
> 
> There may however be use-cases where the SOC has a 'back-up' emergency
> power source which allows some very short time of operation to try to
> gracefully shut down sensitive hardware. Furthermore, it is possible the
> processor controlling the PMIC is not powered by the PMIC. In such cases
> handling the ERRB IRQs may be beneficial.
> 
> [...]

Applied, thanks!

[1/2] mfd: bd96801: Add ERRB IRQ
      commit: 44ce4f769494ff4777ae0dcb1f81363c887a6f7e

--
Lee Jones [李琼斯]