linux-kernel - Re: [REGRESSION] spi: cadence-quadspi: STIG mode results in timeouts for Micron MT25QL01 flash

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Message-ID: <1127989f-3175-49c0-9611-e30194b04018@sirena.org.uk>
Date: Tue, 22 Oct 2024 17:39:15 +0100
From: Mark Brown <broonie@...nel.org>
To: Linux regressions mailing list <regressions@...ts.linux.dev>
Cc: Dhruva Gole <d-gole@...com>, Yoshitaka Ikeda <ikeda@...int.co.jp>,
	linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-team@...gutronix.de,
	Stefan Kerkmann <s.kerkmann@...gutronix.de>
Subject: Re: [REGRESSION] spi: cadence-quadspi: STIG mode results in timeouts
 for Micron MT25QL01 flash

On Mon, Oct 21, 2024 at 11:58:07AM +0200, Linux regression tracking (Thorsten Leemhuis) wrote:

> The culprit afaics was merged for v6.3-rc1. Makes me wonder: would
> reverting this now even an option to fix this in mainline, or would this
> just lead to a regression for someone else?

Given the description of the original commit I'd expect so.  My guess
would be that this is either tuning of the lengths involved or a quirk
that's needed to disable STIG on some devices.

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