Hi Andrew, On 15:04 Thu 22 Aug , Andrew Lunn wrote: > > 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. Ack. > > > > 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. The dtso is compiled into an obj and linked with the driver which is in a different transaltion unit. I'm not aware on other ways to include that symbol without declaring it extern (the exception being some hackery trick that compile the dtso into a .c file to be included into the driver main source file). Or probably I'm not seeing what you are proposing, could you please elaborate on that? Many thanks, Andrea > > Andrew