> > +EXPORT_SYMBOL_GPL(mmc_send_ext_addr); > > Why is this exported? > > I was thinking that it should only be the mmc core (not the mmc block device > driver) that needs to keep track of how the card should be addressed. In that > case, why is the EXPORT_SYMBOL_GPL needed? > > Oh well, I guess I need to look at the following patches in the series to > understand better. I exported it following a kernel test robot warning got a in v1: >> ERROR: modpost: "mmc_send_ext_addr" [drivers/mmc/core/mmc_block.ko] undefined! Thanks, Avri