linux-kernel - Re: [PATCH v4] pinctrl: Add lock to ensure the state atomization

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Message-ID: <CACRpkdZAU-H7tmacaOFJGhDGbyzfuYCG2k2B4YDVs-ZgNjDKFA@mail.gmail.com>
Date: Fri, 9 Feb 2024 14:32:09 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Alexander Stein <alexander.stein@...tq-group.com>
Cc: andersson@...nel.org, Maria Yu <quic_aiquny@...cinc.com>, kernel@...cinc.com, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v4] pinctrl: Add lock to ensure the state atomization

On Fri, Feb 9, 2024 at 9:37 AM Alexander Stein
<alexander.stein@...tq-group.com> wrote:

> This breaks pinctrl-imx on imx8qxp:
(...)
> With this commit pin_config_set callbacks need to be atomic suddenly which is
> a no-go for any device attached to i2c or spi and in this case IPC RPC.
> Once reverted systems start normally again.

OK I backed out the patch for now, let's see if this can be solved.

Yours,
Linus Walleij