On Tue, Oct 25, 2022 at 12:19:39PM +0000, Christian Bach wrote: > Hello > > For a few weeks now I am trying to make the PTN5110 chip work with the new Kernel 5.15.74. The same hardware setup was working with the 4.19.72 Kernel. The steps I took so far are as follows: That is a huge jump. Why not use 'git bisect'? Or start with a smaller jump. Why not go to 5.4.y first, that's only a year's worth of changes, instead of 4 years of changes. thanks, greg k-h