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 A5EE122B8BE for ; Sun, 24 Aug 2025 14:44:39 +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=1756046679; cv=none; b=oFvos4A+RRcaAmLlhA9mSkRr9y8mqquU3lPhi8J1Rlm7cfS2J+AS9ZQh6PlRozJcT8v8/IiqHcel5xOdznvajvn3EdI2hcGTP7oIE7BXu7Hi8ZGVQKmIK8xjQ+RW78kx0Qz/jZhf5sgbJg+iSOTYkoG0Iq9ODEgBbi78YiOSHd8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756046679; c=relaxed/simple; bh=xr8yoJnCqK8XTgilfNmdiGE8Gn6IGFLEQ4OQw/l6TG8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rG2bIjy1sXKBMnuz66I9Zey751TNMF63/gMepsb/NSGMd8kRZwFyWCF6zI+oanatuQAPR0yiTQAK6XsdXalLWC7GA8xgiDzaWOoHqGPuFIQJ0SkdsNW+KcQThyzwmX4iaQ4NVUj0S0ReYJhYCiRSn3aM4GuvHANibHFpHBmFWSM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YU931ZQc; 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="YU931ZQc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E304C4CEEB; Sun, 24 Aug 2025 14:44:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756046679; bh=xr8yoJnCqK8XTgilfNmdiGE8Gn6IGFLEQ4OQw/l6TG8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YU931ZQcuP+6xfJZF3C5cmlZLy/Qy/2T8+w8OhkP16Hcw/emOa+uv/sh+ETB4Pnwf gIUlPLZspN08KxlumA+LSt6SOe6STe2OeIi9hOcnCHXj1XJU3jwfYR0mKIjaX1ajxO AHbuBEtPKQQ+olx7jDn0vkLB+ERlOp1HBYpBz8TjY5QFmx5RcvTGYLJHdDmfdS88lr P5CDE3kM5Wdk9z8pTPMSZ+ptp3My4nO4CwoweSxFinTkbxakx9lAYfTYhhI9NR4faB Ec0Nuogel6wF3at35DAh0BrKxSVdP++KTsVwtcJ7AeD++G3een5uOsC11Mq2iW64GT nN/vpalHOS0tg== From: Sasha Levin To: stable@vger.kernel.org Cc: Jean-Baptiste Maneyrol , Andy Shevchenko , Sean Nyekjaer , Jonathan Cameron , Sasha Levin Subject: [PATCH 6.1.y] iio: imu: inv_icm42600: change invalid data error to -EBUSY Date: Sun, 24 Aug 2025 10:44:36 -0400 Message-ID: <20250824144436.3167804-1-sashal@kernel.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <2025082314-whoops-dandy-d7b1@gregkh> References: <2025082314-whoops-dandy-d7b1@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Jean-Baptiste Maneyrol [ Upstream commit dfdc31e7ccf3ac1d5ec01d5120c71e14745e3dd8 ] Temperature sensor returns the temperature of the mechanical parts of the chip. If both accel and gyro are off, the temperature sensor is also automatically turned off and returns invalid data. In this case, returning -EBUSY error code is better then -EINVAL and indicates userspace that it needs to retry reading temperature in another context. Fixes: bc3eb0207fb5 ("iio: imu: inv_icm42600: add temperature sensor support") Signed-off-by: Jean-Baptiste Maneyrol Cc: stable@vger.kernel.org Reviewed-by: Andy Shevchenko Reviewed-by: Sean Nyekjaer Link: https://patch.msgid.link/20250808-inv-icm42600-change-temperature-error-code-v1-1-986fbf63b77d@tdk.com Signed-off-by: Jonathan Cameron [ Adjust context ] Signed-off-by: Sasha Levin --- drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c index 91f0f381082b..8926b48d7661 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c @@ -32,8 +32,12 @@ static int inv_icm42600_temp_read(struct inv_icm42600_state *st, int16_t *temp) goto exit; *temp = (int16_t)be16_to_cpup(raw); + /* + * Temperature data is invalid if both accel and gyro are off. + * Return -EBUSY in this case. + */ if (*temp == INV_ICM42600_DATA_INVALID) - ret = -EINVAL; + ret = -EBUSY; exit: mutex_unlock(&st->lock); -- 2.50.1