linux-kernel - Re: [PATCH 6/6] iio: imu: inv_icm42600: Avoid configuring if already pm

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Message-ID: <aG-DwJ-2l76Px2ko@smile.fi.intel.com>
Date: Thu, 10 Jul 2025 12:11:28 +0300
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Sean Nyekjaer <sean@...nix.com>
Cc: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@....com>,
	Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/6] iio: imu: inv_icm42600: Avoid configuring if already
 pm_runtime suspended

On Wed, Jul 09, 2025 at 02:35:14PM +0200, Sean Nyekjaer wrote:
> Do as in suspend, skip resume configuration steps if the device is already
> pm_runtime suspended. This avoids reconfiguring a device that is already
> in the correct low-power state and ensures that pm_runtimeM handles the
> power state transitions properly.

Can't it be done by one of the hints to the runtime PM? Something like
SMART_SUSPEND ?

-- 
With Best Regards,
Andy Shevchenko