On 09/12/2018 03:32 PM, Andrew Lunn wrote: >> But the DT should correctly describe the hardware, if it doesn't, it's >> just broken. > > It is more subtle than that. It can be broken, yet work, because it > contains information which we don't use. I really expect there will be > cut/paste errors, meaning the more specific compatible is sometimes > wrong.
If your DT is bogus, nothing can be done about that. > But since at the moment we don't use it, such a broken DT blob > will work. Until the day we need to make use of the more specific > compatible because there really is broken silicon. At that point, we > introduce a regression. All the devices with broke, yet up until now > working DT blobs, stop working. Are you really going to argue they > where always broken, so we don't care we introduced a regression? If the DT is broken, it's already a bug and we cannot do anything about that but maybe fix the DT somehow. > Anyway, this is just rehasing an old discussion. Please go read the > archive. See if you have anything new to add which was not discussed > before. Hehe, I've seen those discussions before too. -- Best regards, Marek Vasut
