diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-14 06:57:52 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-14 06:57:52 +0200 |
commit | 1622d35453132a1acd6d650175f9f45e4bcf553e (patch) | |
tree | 063a2dfa220452590d068418c2b16b90690dae5a /drivers/iio/accel/mma8452.c | |
parent | 978620cc4f5577c5139da9d8377849aeac46687a (diff) | |
parent | 856deb866d16e29bd65952e0289066f6078af773 (diff) |
Merge 5.9-rc5 into staging-next
We want the staging/iio changes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio/accel/mma8452.c')
-rw-r--r-- | drivers/iio/accel/mma8452.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index 9b5f23b3a5fb..bf1d2c8afdbd 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -110,6 +110,12 @@ struct mma8452_data { int sleep_val; struct regulator *vdd_reg; struct regulator *vddio_reg; + + /* Ensure correct alignment of time stamp when present */ + struct { + __be16 channels[3]; + s64 ts __aligned(8); + } buffer; }; /** @@ -1091,14 +1097,13 @@ static irqreturn_t mma8452_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct mma8452_data *data = iio_priv(indio_dev); - u8 buffer[16]; /* 3 16-bit channels + padding + ts */ int ret; - ret = mma8452_read(data, (__be16 *)buffer); + ret = mma8452_read(data, data->buffer.channels); if (ret < 0) goto done; - iio_push_to_buffers_with_timestamp(indio_dev, buffer, + iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer, iio_get_time_ns(indio_dev)); done: @@ -1572,7 +1577,7 @@ static int mma8452_probe(struct i2c_client *client, case FXLS8471_DEVICE_ID: if (ret == data->chip_info->chip_id) break; - /* fall through */ + fallthrough; default: ret = -ENODEV; goto disable_regulators; |