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 9C1E630B50F; Mon, 13 Apr 2026 16:26:16 +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=1776097576; cv=none; b=iqRziEe0L7GcaC/8sH0V+c/k2+wAH98rmoxtN5dUQovnIMkNx5bqyWuqiIrcIVtJFvVCGX3N6tEVzTZ10e28LN9EUVfd1PwjCXhxOQQqzY40QarZd6///infCTutPGha4j9x/upbNd+OOmj8YpHIdLrRvqjntvTlakj9L3ddE1U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776097576; c=relaxed/simple; bh=LvwynEWwVDJF9zM4SUtxayaoqm9qTRurCJBRy1XdB4Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Fj75Tzl6seqvlgbcezZdt7uBns3hs65wVXwyK4xa5giZwpLIpw/UVMFrC6KsUjveZ+HAgSGKW7VLI1ItAg74kwCRv23u+Uo8HEfbiNSigZ9LlFN/xSwt/gBZLXVL25RcvHgHBWtPLp4My2a/UX18ryxxAYsOjjwt+gnXJEQlsgk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Bfx4MYJG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Bfx4MYJG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 34050C2BCB3; Mon, 13 Apr 2026 16:26:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1776097576; bh=LvwynEWwVDJF9zM4SUtxayaoqm9qTRurCJBRy1XdB4Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bfx4MYJGqwPe4e9pDZJqJW+HNy4o662Z0Ia/0BLaA4fj0MAvF5Tj6s7v6MRX1Qe5E HYHswXSjxcW4ktwzumbYc8oroFsR/uXogqfE8+cLMcnaiW1FWThy5jWiCjUYNNrT4u 0ATeU3QzKOOc+LPac6U3tLNWCkNvKIBXKRR1KDP0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jean-Baptiste Maneyrol , Jonathan Cameron Subject: [PATCH 5.15 189/570] iio: imu: inv_icm42600: fix odr switch to the same value Date: Mon, 13 Apr 2026 17:55:20 +0200 Message-ID: <20260413155837.539015639@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260413155830.386096114@linuxfoundation.org> References: <20260413155830.386096114@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jean-Baptiste Maneyrol commit c9f3a593137d862d424130343e77d4b5260a4f5a upstream. ODR switch is done in 2 steps when FIFO is on : change the ODR register value and acknowledge change when reading the FIFO ODR change flag. When we are switching to the same odr value, we end up waiting for a FIFO ODR flag that is never happening. Fix the issue by doing nothing and exiting properly when we are switching to the same ODR value. Fixes: ec74ae9fd37c ("iio: imu: inv_icm42600: add accurate timestamping") Signed-off-by: Jean-Baptiste Maneyrol Cc: stable@vger.kernel.org Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c | 2 ++ drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c | 2 ++ 2 files changed, 4 insertions(+) --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c @@ -322,6 +322,8 @@ static int inv_icm42600_accel_write_odr( return -EINVAL; conf.odr = inv_icm42600_accel_odr_conv[idx / 2]; + if (conf.odr == st->conf.accel.odr) + return 0; pm_runtime_get_sync(dev); mutex_lock(&st->lock); --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c @@ -334,6 +334,8 @@ static int inv_icm42600_gyro_write_odr(s return -EINVAL; conf.odr = inv_icm42600_gyro_odr_conv[idx / 2]; + if (conf.odr == st->conf.gyro.odr) + return 0; pm_runtime_get_sync(dev); mutex_lock(&st->lock);