On Wed, Oct 17, 2018 at 04:18:41PM +0100, Andre Przywara wrote: > On Tue, 16 Oct 2018 22:09:30 -0700 > Vasily Khoruzhick <anars...@gmail.com> wrote: > > Hi, > > > Updates the device tree file from the the Linux tree as of v4.19-rc4, > > exactly Linux commit: > > Does this work easily without syncing the .dts files as well? > > > commit 7876320f8880 (tag: v4.19-rc4) > > Author: Linus Torvalds <torva...@linux-foundation.org> > > Date: Sun Sep 16 11:52:37 2018 -0700 > > > > Linux 4.19-rc4 > > So this sounds like the right thing to do, but in this particular case > breaks Ethernet with UEFI booting in all distribution installers or > kernels out there (except >= Linux 4.19-rc1). > I consider this a major use case of U-Boot's DTB, so what do we do > about this? > The reason is that we dropped the "syscon" compatible string at the end > of the system-controller node, which older kernels rely on to find the > syscon node. > I suggested to re-add this[1], but didn't have much success, > unfortunately. > The easiest would be to re-add (or not remove) "syscon" for U-Boot's > copy, but this would mean a deviation from the Linux DT's. I am fine > with this, but would like to hear more opinions.
tl; dr: You want to build something robust on top of assumptions that have never been guaranteed. I'm fine with having it as a U-Boot addition, if it's what it takes. Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
