linux-kernel - [PATCH 2/2] iio: accel: fxls8962af: errata bug only applicable for FXLS8962AF

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Date:   Mon,  5 Jun 2023 12:32:22 +0200
From:   Sean Nyekjaer <sean@...nix.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Sean Nyekjaer <sean@...nix.com>
Cc:     stable@...r.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] iio: accel: fxls8962af: errata bug only applicable for FXLS8962AF

Remove special errata handling if FXLS8964AF is used.

Fixes: af959b7b96b8 ("iio: accel: fxls8962af: fix errata bug E3 - I2C burst reads")
Signed-off-by: Sean Nyekjaer <sean@...nix.com>
Cc: stable@...r.kernel.org
---
 drivers/iio/accel/fxls8962af-core.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/accel/fxls8962af-core.c b/drivers/iio/accel/fxls8962af-core.c
index bf7949e51e6c..3f27834ef04c 100644
--- a/drivers/iio/accel/fxls8962af-core.c
+++ b/drivers/iio/accel/fxls8962af-core.c
@@ -904,9 +904,10 @@ static int fxls8962af_fifo_transfer(struct fxls8962af_data *data,
 	int total_length = samples * sample_length;
 	int ret;
 
-	if (i2c_verify_client(dev))
+	if (i2c_verify_client(dev) &&
+	    data->chip_info->chip_id == FXLS8962AF_DEVICE_ID)
 		/*
-		 * Due to errata bug:
+		 * Due to errata bug (only applicable on fxls8962af):
 		 * E3: FIFO burst read operation error using I2C interface
 		 * We have to avoid burst reads on I2C..
 		 */
-- 
2.40.0