diff options
Diffstat (limited to 'drivers/iio/light/tcs3472.c')
| -rw-r--r-- | drivers/iio/light/tcs3472.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c index a0dc447aeb68..371c6a39a165 100644 --- a/drivers/iio/light/tcs3472.c +++ b/drivers/iio/light/tcs3472.c @@ -64,7 +64,11 @@ struct tcs3472_data { u8 control; u8 atime; u8 apers; - u16 buffer[8]; /* 4 16-bit channels + 64-bit timestamp */ + /* Ensure timestamp is naturally aligned */ + struct { + u16 chans[4]; + s64 timestamp __aligned(8); + } scan; }; static const struct iio_event_spec tcs3472_events[] = { @@ -386,10 +390,10 @@ static irqreturn_t tcs3472_trigger_handler(int irq, void *p) if (ret < 0) goto done; - data->buffer[j++] = ret; + data->scan.chans[j++] = ret; } - iio_push_to_buffers_with_timestamp(indio_dev, data->buffer, + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, iio_get_time_ns(indio_dev)); done: @@ -531,7 +535,8 @@ static int tcs3472_probe(struct i2c_client *client, return 0; free_irq: - free_irq(client->irq, indio_dev); + if (client->irq) + free_irq(client->irq, indio_dev); buffer_cleanup: iio_triggered_buffer_cleanup(indio_dev); return ret; @@ -559,7 +564,8 @@ static int tcs3472_remove(struct i2c_client *client) struct iio_dev *indio_dev = i2c_get_clientdata(client); iio_device_unregister(indio_dev); - free_irq(client->irq, indio_dev); + if (client->irq) + free_irq(client->irq, indio_dev); iio_triggered_buffer_cleanup(indio_dev); tcs3472_powerdown(iio_priv(indio_dev)); |