Hi David, On Fri, 10 Jan 2025 15:26:23 +1100 David Gibson <david@xxxxxxxxxxxxxxxxxxxxx> wrote: > On Wed, Jan 08, 2025 at 10:47:19AM +0100, Herve Codina wrote: > > Hi Ayush, > > > > On Wed, 8 Jan 2025 13:58:04 +0530 > > Ayush Singh <ayush@xxxxxxxxxxxxxxx> wrote: > > > > ... > > > > > > I will experiment with adding support to dtc and see how things look. > > > Hopefully, 2025 is the year of addon board support. > > > > > > > Also one point different between fdtoverlay an runtime loading is > > that runtime loading allows to set the target node of the overlay > > at runtime. > > I'm not really sure what you mean by "runtime loading". Do you mean > the kernel's implementation of loading dtbo overlays? Yes, exactly. > > While that is a different implementation from the one in fdtoverlay > (AIUI), they're both working from the same dtb format. As we > discovered attempting Ayush's proposal, it turns out that the dtbo > simply doesn't have the information we need to correctly path > substitutions; and it's not at all easy to add it. > > So, the problem of the encoding format needs to be solved regardless > of which implementation is actually processing the overlays. > What is the issue with the encoding format? It works on my side (kernel loading) and I didn't see anything problematic. Best regards Hervé
