diff options
Diffstat (limited to 'drivers/iio/proximity/as3935.c')
| -rw-r--r-- | drivers/iio/proximity/as3935.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index 4a48b7ba3a1c..105fe680e8ca 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -70,7 +70,11 @@ struct as3935_state { unsigned long noise_tripped; u32 tune_cap; u32 nflwdth_reg; - u8 buffer[16]; /* 8-bit data + 56-bit padding + 64-bit timestamp */ + /* Ensure timestamp is naturally aligned */ + struct { + u8 chan; + s64 timestamp __aligned(8); + } scan; u8 buf[2] ____cacheline_aligned; }; @@ -237,8 +241,8 @@ static irqreturn_t as3935_trigger_handler(int irq, void *private) if (ret) goto err_read; - st->buffer[0] = val & AS3935_DATA_MASK; - iio_push_to_buffers_with_timestamp(indio_dev, &st->buffer, + st->scan.chan = val & AS3935_DATA_MASK; + iio_push_to_buffers_with_timestamp(indio_dev, &st->scan, iio_get_time_ns(indio_dev)); err_read: iio_trigger_notify_done(indio_dev->trig); |