On 19/05/2021 01.48, trix@xxxxxxxxxx wrote: > From: Tom Rix <trix@xxxxxxxxxx> > > The build is failing with this link error > ld: fxls8962af-core.o: in function `fxls8962af_fifo_transfer': > fxls8962af-core.c: undefined reference to `i2c_verify_client' > > This is needed for the i2c variant, not the spi variant. So > conditionally compile based on CONFIG_FXLS8962AF_I2C. > Fixes: 68068fad0e1c ("iio: accel: fxls8962af: fix errata bug E3 - I2C burst reads") > Signed-off-by: Tom Rix <trix@xxxxxxxxxx> Reviewed-by: Sean Nyekjaer <sean@xxxxxxxxxx> > --- > drivers/iio/accel/fxls8962af-core.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/iio/accel/fxls8962af-core.c b/drivers/iio/accel/fxls8962af-core.c > index 9fe5a18a605cc..b6d833e2058c8 100644 > --- a/drivers/iio/accel/fxls8962af-core.c > +++ b/drivers/iio/accel/fxls8962af-core.c > @@ -624,6 +624,7 @@ static const struct iio_buffer_setup_ops fxls8962af_buffer_ops = { > .postdisable = fxls8962af_buffer_postdisable, > }; > > +#if IS_ENABLED(CONFIG_FXLS8962AF_I2C) > static int fxls8962af_i2c_raw_read_errata3(struct fxls8962af_data *data, > u16 *buffer, int samples, > int sample_length) > @@ -639,6 +640,7 @@ static int fxls8962af_i2c_raw_read_errata3(struct fxls8962af_data *data, > > return ret; > } > +#endif > > static int fxls8962af_fifo_transfer(struct fxls8962af_data *data, > u16 *buffer, int samples) > @@ -648,6 +650,7 @@ static int fxls8962af_fifo_transfer(struct fxls8962af_data *data, > int total_length = samples * sample_length; > int ret; > > +#if IS_ENABLED(CONFIG_FXLS8962AF_I2C) > if (i2c_verify_client(dev)) > /* > * Due to errata bug: > @@ -657,6 +660,7 @@ static int fxls8962af_fifo_transfer(struct fxls8962af_data *data, > ret = fxls8962af_i2c_raw_read_errata3(data, buffer, samples, > sample_length); > else > +#endif > ret = regmap_raw_read(data->regmap, FXLS8962AF_BUF_X_LSB, buffer, > total_length); > >