Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964862AbaF3Mbs (ORCPT ); Mon, 30 Jun 2014 08:31:48 -0400 Received: from ip4-83-240-18-248.cust.nbox.cz ([83.240.18.248]:53045 "EHLO ip4-83-240-18-248.cust.nbox.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755127AbaF3Mbk (ORCPT ); Mon, 30 Jun 2014 08:31:40 -0400 From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Peter Meerwald , Jonathan Cameron , Jiri Slaby Subject: [PATCH 3.12 071/181] iio: Fix endianness issue in ak8975_read_axis() Date: Mon, 30 Jun 2014 13:51:32 +0200 Message-Id: <19e0dc1edc5e235b298d793a5fd136d154f354c8.1404128998.git.jslaby@suse.cz> X-Mailer: git-send-email 2.0.0 In-Reply-To: <61844d8e25eb8899b0836afa9796fa239db80f1f.1404128997.git.jslaby@suse.cz> References: <61844d8e25eb8899b0836afa9796fa239db80f1f.1404128997.git.jslaby@suse.cz> In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Meerwald 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit 8ba42fb7b17649c9ab5b5e79d4e90370a0b4645e upstream. i2c_smbus_read_word_data() does host endian conversion already, no need for le16_to_cpu() Signed-off-by: Peter Meerwald Signed-off-by: Jonathan Cameron Signed-off-by: Jiri Slaby --- drivers/iio/magnetometer/ak8975.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 9edf4c935fd7..aeba3bbdadb0 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -352,8 +352,6 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) { struct ak8975_data *data = iio_priv(indio_dev); struct i2c_client *client = data->client; - u16 meas_reg; - s16 raw; int ret; mutex_lock(&data->lock); @@ -401,16 +399,11 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) dev_err(&client->dev, "Read axis data fails\n"); goto exit; } - meas_reg = ret; mutex_unlock(&data->lock); - /* Endian conversion of the measured values. */ - raw = (s16) (le16_to_cpu(meas_reg)); - /* Clamp to valid range. */ - raw = clamp_t(s16, raw, -4096, 4095); - *val = raw; + *val = clamp_t(s16, ret, -4096, 4095); return IIO_VAL_INT; exit: -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/