On Thu, Apr 07, 2022 at 01:18:49PM +0200, Lino Sanfilippo wrote: > --- /dev/null > +++ b/drivers/char/tpm/tpm_tis_spi_slb9670.c [...] > +int slb9670_spi_unset_reset(struct tpm_tis_data *data) [...] > +int slb9670_spi_set_reset(struct tpm_tis_data *data) [...] > +static const struct tpm_tis_phy_ops slb9670_spi_phy_ops = { > + .read_bytes = tpm_tis_spi_read_bytes, > + .write_bytes = tpm_tis_spi_write_bytes, > + .read16 = tpm_tis_spi_read16, > + .read32 = tpm_tis_spi_read32, > + .write32 = tpm_tis_spi_write32, > + .set_reset = slb9670_spi_set_reset, > + .unset_reset = slb9670_spi_unset_reset, > +}; 0-day is complaining that slb9670_spi_set_reset() / slb9670_spi_unset_reset() are not declared static: https://lore.kernel.org/all/202204081357.8SfjQosI-lkp@xxxxxxxxx/ Thanks, Lukas