On Fri, Sep 02, 2016 at 04:45:31PM -0600, Jason Gunthorpe wrote: > On Sat, Sep 03, 2016 at 01:35:22AM +0300, Jarkko Sakkinen wrote: > > On Fri, Sep 02, 2016 at 04:11:22PM -0600, Jason Gunthorpe wrote: > > > On Sat, Sep 03, 2016 at 12:48:03AM +0300, Jarkko Sakkinen wrote: > > > > The struct tpm_class_ops is not used outside the TPM driver. Thus, > > > > it can be safely move to drivers/char/tpm/tpm.h. > > > > > > No, this is the wrong direction. > > > > > > The goal is to make things more like other subsystems, so we should be > > > moving struct tpm_chip into the public header, and that requires ops > > > to be in the public header. > > > > > > This is why I put ops here in the first place. > > > > I'm OK with it as long as you explain why this is necessary. I see no > > use for them outside the TPM subsystem. > > That is because the users out side the subsystem are Doing it Wrong. > > eg this: > > extern int tpm_is_tpm2(u32 chip_num); > > Should be: > > extern int tpm_is_tpm2(struct tpm_chip *chip); > > And same for all other examples. > > The 'chip_num' thing is bonkers.
OK, how would one get the chip instance? /Jarkko