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From: David Lechner <dlechner@baylibre.com>
To: Linmao Li <lilinmao@kylinos.cn>, Jonathan Cameron <jic23@kernel.org>
Cc: "Wadim Mueller" <wafgo01@gmail.com>,
	"Maxwell Doose" <maxwell@maxwelld.cc>,
	"Nuno Sá" <nuno.sa@analog.com>,
	"Andy Shevchenko" <andy@kernel.org>,
	linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iio: flow: slf3s: restart measurement if VDD disable fails
Date: Wed, 5 Aug 2026 07:59:58 -0500	[thread overview]
Message-ID: <1ed98f0e-04dd-4cbc-ab08-96d076e77da0@baylibre.com> (raw)
In-Reply-To: <20260805110255.504576-1-lilinmao@kylinos.cn>

On 8/5/26 6:02 AM, Linmao Li wrote:
> slf3s_suspend() stops continuous measurement before disabling VDD. If
> regulator_disable() fails while the supply remains enabled, the system
> sleep transition is aborted. Since the PM core does not call the
> corresponding resume callback for a device whose suspend callback failed,
> the sensor remains idle after the system returns to the running state and
> subsequent reads fail.
> 
Was this observed to happen on real hardware or was this just deduced
through code analysis?


  reply	other threads:[~2026-08-05 13:00 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-05 11:02 Linmao Li
2026-08-05 12:59 ` David Lechner [this message]
2026-08-06  2:18   ` Linmao Li
2026-08-05 16:45 ` Maxwell Doose
2026-08-06  2:21   ` Linmao Li
2026-08-11  0:24     ` Maxwell Doose
2026-08-11  9:48       ` Wadim Mueller
2026-08-06  9:39 ` Nuno Sá
2026-08-06 12:55   ` Wadim Mueller
2026-08-06 13:05     ` Nuno Sá
2026-08-15 21:05 ` Jonathan Cameron
2026-08-17  1:34   ` Linmao Li

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