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Message-ID: <20240226121803.5a7r5wkpbbowcxgx@dhruva>
Date: Mon, 26 Feb 2024 17:48:03 +0530
From: Dhruva Gole <d-gole@...com>
To: Mark Brown <broonie@...nel.org>
CC: Apurva Nandan <a-nandan@...com>,
        Théo Lebrun
	<theo.lebrun@...tlin.com>,
        <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Gregory CLEMENT
	<gregory.clement@...tlin.com>,
        Vladimir Kondratiev
	<vladimir.kondratiev@...ileye.com>,
        Thomas Petazzoni
	<thomas.petazzoni@...tlin.com>,
        Tawfik Bayouk <tawfik.bayouk@...ileye.com>, Nishanth <nm@...com>,
        Vignesh <vigneshr@...com>
Subject: Re: [PATCH v4 0/4] spi: cadence-qspi: Fix runtime PM and system-wide
 suspend

Hi Mark, Theo,

+ Nishanth, Vignesh (maintainers of TI K3)

On Feb 22, 2024 at 19:13:29 +0000, Mark Brown wrote:
> On Thu, 22 Feb 2024 11:12:28 +0100, Théo Lebrun wrote:
> > This fixes runtime PM and system-wide suspend for the cadence-qspi
> > driver. Seeing how runtime PM and autosuspend are enabled by default, I
> > believe this affects all users of the driver.
> > 
> > This series has been tested on both Mobileye EyeQ5 hardware and the TI
> > J7200 EVM board, under s2idle.
> > 
> > [...]
> 
> Applied to
> 
>    https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
> 
> Thanks!
> 
> [1/4] spi: cadence-qspi: fix pointer reference in runtime PM hooks
>       commit: 32ce3bb57b6b402de2aec1012511e7ac4e7449dc
> [2/4] spi: cadence-qspi: remove system-wide suspend helper calls from runtime PM hooks
>       commit: 959043afe53ae80633e810416cee6076da6e91c6
> [3/4] spi: cadence-qspi: put runtime in runtime PM hooks names
>       commit: 4efa1250b59ebf47ce64a7b6b7c3e2e0a2a9d35a
> [4/4] spi: cadence-qspi: add system-wide suspend and resume callbacks
>       commit: 078d62de433b4f4556bb676e5dd670f0d4103376

It seems like between 6.8.0-rc5-next-20240220 and
6.8.0-rc5-next-20240222 some of TI K3 platform boot have been broken.

It particularly seemed related to these patches because we can see
cqspi_probe in the call trace and also cqspi_suspend toward the top.

See logs for kernel crash in [0] and working in [1]


[0] https://gist.github.com/DhruvaG2000/ed997452b41d6e5301598225fc579800
[1] https://gist.github.com/DhruvaG2000/d4e73111aeafaca555ba2d5208deb6dd

-- 
Best regards,
Dhruva Gole <d-gole@...com>

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