iio: accel: bcm150: Remove handling for regmap raw_read_max
authorCharles Keepax <ckeepax@opensource.cirrus.com>
Tue, 24 Apr 2018 15:05:51 +0000 (16:05 +0100)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sat, 28 Apr 2018 16:01:55 +0000 (17:01 +0100)
The regmap core now handles splitting up transactions according to
max_raw_read, so this code is no longer required in client drivers.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/accel/bmc150-accel-core.c

index 208f2d9f0e8ac2b2bc918811638eb9e01a524129..383c802eb5b86a3d4865d28cecde8fba5319fdff 100644 (file)
@@ -837,29 +837,12 @@ static int bmc150_accel_fifo_transfer(struct bmc150_accel_data *data,
        int sample_length = 3 * 2;
        int ret;
        int total_length = samples * sample_length;
-       int i;
-       size_t step = regmap_get_raw_read_max(data->regmap);
-
-       if (!step || step > total_length)
-               step = total_length;
-       else if (step < total_length)
-               step = sample_length;
-
-       /*
-        * Seems we have a bus with size limitation so we have to execute
-        * multiple reads
-        */
-       for (i = 0; i < total_length; i += step) {
-               ret = regmap_raw_read(data->regmap, BMC150_ACCEL_REG_FIFO_DATA,
-                                     &buffer[i], step);
-               if (ret)
-                       break;
-       }
 
+       ret = regmap_raw_read(data->regmap, BMC150_ACCEL_REG_FIFO_DATA,
+                             buffer, total_length);
        if (ret)
                dev_err(dev,
-                       "Error transferring data from fifo in single steps of %zu\n",
-                       step);
+                       "Error transferring data from fifo: %d\n", ret);
 
        return ret;
 }