On Mon, Jul 24, 2017 at 11:06:49AM -0700, Frank Rowand wrote: > On 07/14/17 00:21, Pantelis Antoniou wrote: > > Keeping in mind that this thread was originally about libfdt, > not the Linux kernel, I am mostly talking about the Linux > kernel implementation in this email. > > > > Hi Frank, > > > > On Thu, 2017-07-13 at 14:40 -0700, Frank Rowand wrote: > >> On 07/13/17 14:22, Phil Elwell wrote: > >>> On 13/07/2017 21:07, Frank Rowand wrote: > >>>> On 07/13/17 12:38, Phil Elwell wrote: > >>>> > > > > [snip] > > > >>> hope an inability to solve the problem posed by this advanced usage won't > >>> prevent a solution to a simpler problem from being accepted. > > > > I have waited until people started commenting on this patchset before > > replying. > > > > I think we agree on a few things to keep the discussion moving forward. > > > > 1. Stacked overlays are useful and make overlays easier to use. > > Stacked overlays are required to handle an add-on board that > contains physical connectors to plug in yet more things. > > I'm not sure what you mean when you say they "make overlays > easier to use". Can you elaborate on that a little bit? > > > > 2. Changing the overlay symbols format now would be unwise. > > I strongly disagree. I would say that it is desirable to maintain > the current overlay format (not just __symbols__), and that there > will be pain (for bootloaders???) if the format changes. But > the Linux implementation is not locked in if there is a good > reason to change the format. > > > > 3. A number of extensions have been put forward/requested. > > > > 3.1. There should be a method to place a symbol on a node that didn't > > have one originally (due to vendor supplying broken DTB or being > > generated by firmware at runtime). > > You saw my reaction of what to do about a broken vendor DTB in that > thread. I do not think this method is a good idea. > > I don't know why a DTB generated by firmware would be missing a symbol. > Was that discussed in that thread, and I'm just forgetting it? Because 9 times out of 10, firmware is crap? -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson
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