On 13/03/17 12:16, Andy Shevchenko wrote: > On Mon, Mar 13, 2017 at 1:11 PM, Eva Rachel Retuya <eraretuya@xxxxxxxxx> wrote: >> Provide an all-axes read for triggered buffering. > > Better description is needed. > >> -static int adxl345_get_triple(struct adxl345_data *data, void *buf) >> +static int adxl345_get_triple(struct adxl345_data *data) > > Ping-ponging again. This should be essentially a change in the patch > where you introduce a helper. > >> +err_buffer_cleanup: >> + iio_triggered_buffer_cleanup(indio_dev); >> err_trigger_unregister: >> if (data->drdy_trig) >> iio_trigger_unregister(data->drdy_trig); > > devm_iio_*() ? > >> @@ -334,6 +435,7 @@ int adxl345_core_remove(struct device *dev) >> struct adxl345_data *data = iio_priv(indio_dev); >> >> iio_device_unregister(indio_dev); >> + iio_triggered_buffer_cleanup(indio_dev); >> if (data->drdy_trig) >> iio_trigger_unregister(data->drdy_trig); > > Ditto. > >> diff --git a/drivers/iio/accel/adxl345_i2c.c b/drivers/iio/accel/adxl345_i2c.c >> index 8c791b8..1e0f071 100644 >> --- a/drivers/iio/accel/adxl345_i2c.c >> +++ b/drivers/iio/accel/adxl345_i2c.c >> @@ -30,6 +30,10 @@ static int adxl345_i2c_probe(struct i2c_client *client, >> bool use_int2 = false; >> int irq; >> >> + if (!i2c_check_functionality(client->adapter, >> + I2C_FUNC_SMBUS_READ_I2C_BLOCK)) >> + return -EOPNOTSUPP; > > And if driver works before, you make a regression here. Absolutely. Need a fallback if it's not supported... Jonathan > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html