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 1FD7A1E4A4 for ; Sun, 24 Aug 2025 13:53:32 +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=1756043612; cv=none; b=qMWLq5dzUxdm85bk2bDE5/Tc9FlNKhew5AWOkW44tibQRxQq4iGXK2AlW1/qRy1gZKl/wBANdVaksCAvb8QdMV8KnCpoSEvfnrBgIzPz0eLwAYrwZxVmMZVrfz5CDCp/P9EdnOPIKp7HXw8256MkzNLV7on0191ZIKTA6fe4eHo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756043612; c=relaxed/simple; bh=AYCF9hYuhTNArkH9mNIM9cWddP+AHvjq10FP/H7HAlw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kBdhiJgQKi03AOC7xsmGriOPrf1+bJLy1K+s8SbZHTDhUqGJRTHklxMh5Uso5FbbH+L+2/CnExC62raRyAYm7NcmaTYDldUgSWWPtsOhTRHsnmCcDWNEsuDRUGEa2qeI4KJ56arfCS4Qp3v6yRFBgM1dXyqQFbsadCPgUARYgMM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EY+qzJ3W; 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="EY+qzJ3W" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AC1CC116D0; Sun, 24 Aug 2025 13:53:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756043612; bh=AYCF9hYuhTNArkH9mNIM9cWddP+AHvjq10FP/H7HAlw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EY+qzJ3WHP+5xuQekWH4BibeWMvdy9cf+ORR5MyXQAXEmv0kBoJWvCxU9Cn2hovVE rGgnkIbD8iPXlb2INSNb69D6kDCtzVqRgr6u/CSUIwXUJDUAnF4uc7DXy+xKm5p6hC ZpNjoSyV9stKgGaMhtF4NVM6t/gHTT0c5hkCVAUbYMJbtw5L7nS43xsWr9Wx7wsmkb dEXVOC2DCIXnIRNL63WaL9IvIxvAglDiCb3bbdPluzv37X+0ilY6G3q7+WB3OArirg 2/tobOmcLLwsZ9MHQaINsB8fs+l8+kXt31OwF6IOavvIMFTgmTxxqOIX4lIBCQNlyC sfUI433SprJvg== From: Sasha Levin To: stable@vger.kernel.org Cc: Jean-Baptiste Maneyrol , Andy Shevchenko , Sean Nyekjaer , Jonathan Cameron , Sasha Levin Subject: [PATCH 6.6.y 4/4] iio: imu: inv_icm42600: change invalid data error to -EBUSY Date: Sun, 24 Aug 2025 09:53:27 -0400 Message-ID: <20250824135327.2919985-4-sashal@kernel.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250824135327.2919985-1-sashal@kernel.org> References: <2025082314-steed-eldercare-ccf9@gregkh> <20250824135327.2919985-1-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: 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 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 295f220eab04..51430b4f5e51 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, s16 *temp) goto exit; *temp = (s16)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