> WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP > #673: FILE: drivers/pinctrl/pinctrl-rp1.c:600: > + return -ENOTSUPP; > > This I must investigate: I've already tried to fix it before sending the patchset > but for some reason it wouldn't work, so I planned to fix it in the upcoming > releases. ENOTSUPP is an NFS error. It should not be used outside for NFS. You want EOPNOTSUPP. > WARNING: externs should be avoided in .c files > #331: FILE: drivers/misc/rp1/rp1-pci.c:58: > +extern char __dtbo_rp1_pci_begin[]; > > True, but in this case we don't have a symbol that should be exported to other > translation units, it just needs to be referenced inside the driver and > consumed locally. Hence it would be better to place the extern in .c file. Did you try making it static. Andrew