From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E746D31691C for ; Mon, 20 Oct 2025 13:09:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760965746; cv=none; b=ppIL8xRDetBlGf+NptLYzahvl0XEfL3broFsSCqEE90Hknu2m+ZghOMuQSLPSMqYeWSRd8JsKf7Wkg+X5BoVgg8o2W4+V/DlGDLFUsSItxhfCu7+20o3rLB4FxoFPr1Ap55BzoNxGjzwt9jQO6BqDIo3DIHsD7urQgocT6lsLnQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760965746; c=relaxed/simple; bh=EsIwTYcSVSiO4M5cWQmkFYAz4BI6YpaZ/sgbt+cGGgc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jX5HN6r3hARl0wIzK/G6HlLO0z8mvaGn7HjoEn2WpRCAuQuYKkurPIqlIQw3WMojoaOqxh+Im+L0ykxt70nrbaRghs4wO+Czs5J/f/2q6GnMtYjIDggJt32xo/uzXOBMiRkgPxRejjQLHOTIb75ZbrzEg69mXMkshNLVkkwRkO4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k+nfEHnR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="k+nfEHnR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CDA44C113D0; Mon, 20 Oct 2025 13:09:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760965745; bh=EsIwTYcSVSiO4M5cWQmkFYAz4BI6YpaZ/sgbt+cGGgc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=k+nfEHnRIuQ5H39YLE1Xjb413vO5uQv8wsXIY2fc/BVdDIHIsCgPG45UsU86Nnwe8 Xkf/D6XO0g07Y9rfxHCFzhy7pm5//FDN3yQmhMiv4TuBL6lceoLQEat6+md/Cfw3HW xOtjOLFPlgYpZkWYF/x7G3qsnvl+6OaUXD9NFs2vgeJoLgD71IGOkntuO7pyMFxCMh X1ZkN3hm4YSFUgw2iUQzsus3kN1cxT/o8fBE1e/XuzQIrF2C/Y3KGAF4i+jU7/gt/T nwzUvcfSDKSPrsg61KM4u3gm0aB7Lhjpt9OLxGMp6hjABjdn9bwx5nuIVTmUT/pkN5 f0IjvnIQ4IXoA== From: Sasha Levin To: stable@vger.kernel.org Cc: Sean Nyekjaer , Stable@vger.kernel.org, Jonathan Cameron , Sasha Levin Subject: [PATCH 6.6.y 2/2] iio: imu: inv_icm42600: Avoid configuring if already pm_runtime suspended Date: Mon, 20 Oct 2025 09:09:00 -0400 Message-ID: <20251020130900.1766996-2-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251020130900.1766996-1-sashal@kernel.org> References: <2025101623-dry-crummiest-15b3@gregkh> <20251020130900.1766996-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Sean Nyekjaer [ Upstream commit 466f7a2fef2a4e426f809f79845a1ec1aeb558f4 ] 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_runtime handles the power state transitions properly. Fixes: 31c24c1e93c3 ("iio: imu: inv_icm42600: add core of new inv_icm42600 driver") Signed-off-by: Sean Nyekjaer Link: https://patch.msgid.link/20250901-icm42pmreg-v3-3-ef1336246960@geanix.com Cc: Signed-off-by: Jonathan Cameron [ adjusted context due to missing APEX/WoM features in older kernel version ] Signed-off-by: Sasha Levin --- drivers/iio/imu/inv_icm42600/inv_icm42600_core.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c index a1f055014cc65..8a9383e87540a 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c @@ -697,17 +697,15 @@ EXPORT_SYMBOL_NS_GPL(inv_icm42600_core_probe, IIO_ICM42600); static int inv_icm42600_suspend(struct device *dev) { struct inv_icm42600_state *st = dev_get_drvdata(dev); - int ret; + int ret = 0; mutex_lock(&st->lock); st->suspended.gyro = st->conf.gyro.mode; st->suspended.accel = st->conf.accel.mode; st->suspended.temp = st->conf.temp_en; - if (pm_runtime_suspended(dev)) { - ret = 0; + if (pm_runtime_suspended(dev)) goto out_unlock; - } /* disable FIFO data streaming */ if (st->fifo.on) { @@ -739,10 +737,13 @@ static int inv_icm42600_resume(struct device *dev) struct inv_icm42600_state *st = dev_get_drvdata(dev); struct inv_sensors_timestamp *gyro_ts = iio_priv(st->indio_gyro); struct inv_sensors_timestamp *accel_ts = iio_priv(st->indio_accel); - int ret; + int ret = 0; mutex_lock(&st->lock); + if (pm_runtime_suspended(dev)) + goto out_unlock; + ret = inv_icm42600_enable_regulator_vddio(st); if (ret) goto out_unlock; -- 2.51.0