From: Heiner Kallweit <hkallwe...@gmail.com> Date: Wed, 16 Oct 2019 21:53:31 +0200
> Currently there's a bug in the module subsystem [0] preventing load of > the PHY driver module on certain systems (as one symptom). > This results in a NPE on such systems for the following reason: > Instead of the correct PHY driver the genphy driver is loaded that > doesn't implement the read_page/write_page callbacks. Every call to > phy_read_paged() et al will result in a NPE therefore. > > In parallel to fixing the root cause we should make sure that this one > and maybe similar issues in other subsystems don't result in a NPE > in phylib. So let's check for the callbacks before using them and warn > once if they are not available. > > [0] https://marc.info/?t=157072642100001&r=1&w=2 > > Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com> I read the discussion over a few times and this looks good to me for now, so applied. Thanks.
