statically allocate maximum size
Signed-off-by: Peter Meerwald <pmeerw@xxxxxxxxxx>
Cc: Oleksandr Kravchenko <o.v.kravchenko@xxxxxxxxxxxxxxx>
---
drivers/iio/accel/bma180.c | 18 +-----------------
1 file changed, 1 insertion(+), 17 deletions(-)
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index 91260a0..5838318 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -82,7 +82,7 @@ struct bma180_data {
int scale;
int bw;
bool pmode;
- char *buff;
+ u8 buff[16]; /* 3x 16-bit + 8-bit + padding + timestamp */
};
enum bma180_chan {
@@ -408,26 +408,10 @@ static int bma180_write_raw(struct iio_dev *indio_dev,
}
}
-static int bma180_update_scan_mode(struct iio_dev *indio_dev,
- const unsigned long *scan_mask)
-{
- struct bma180_data *data = iio_priv(indio_dev);
-
- if (data->buff)
- devm_kfree(&indio_dev->dev, data->buff);
- data->buff = devm_kzalloc(&indio_dev->dev,
- indio_dev->scan_bytes, GFP_KERNEL);
- if (!data->buff)
- return -ENOMEM;
-
- return 0;
-}
-
static const struct iio_info bma180_info = {
.attrs = &bma180_attrs_group,
.read_raw = bma180_read_raw,
.write_raw = bma180_write_raw,
- .update_scan_mode = bma180_update_scan_mode,
.driver_module = THIS_MODULE,
};
--
1.9.1
--
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