From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Cc: "Jean-Baptiste Maneyrol" <jean-baptiste.maneyrol@tdk.com>,
"Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"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: imu: fix unbalanced regulator_disable calls, when probe fails
Date: Sun, 8 Mar 2026 22:39:56 +0200 [thread overview]
Message-ID: <aa3enGhPrKG7WUUO@ashevche-desk.local> (raw)
In-Reply-To: <20260308110328.2859831-1-andrej.skvortzov@gmail.com>
On Sun, Mar 08, 2026 at 02:03:28PM +0300, Andrey Skvortsov wrote:
> During a probe functions after all regulators are enabled, runtime pm
> is enabled. Before probe function finishes, runtime pm triggers and
> disables vddio regulator. When probe function fails after that,
> inv_mpu_core_disable_regulator_action tries to disable already
> disabled by runtime pm vddio regulator causing following backtrace:
>
> inv-mpu6050-i2c 1-0068: trigger probe fail -19
> ------------[ cut here ]------------
Read Submitting Patches documentation (the section about backtraces
in the commit messages) and act accordingly in the next version.
> unbalanced disables a for vcc-dsi-sensor
> WARNING: drivers/regulator/core.c:3244 at _regulator_disable+0x118/0x260, CPU#3: (udev-worker)/357
--
With Best Regards,
Andy Shevchenko
prev parent reply other threads:[~2026-03-08 20:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-08 11:03 Andrey Skvortsov
2026-03-08 18:29 ` David Lechner
2026-03-08 20:39 ` Andy Shevchenko [this message]
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