On Wed, Jul 12, 2023 at 06:17:19PM +0200, Emil Renner Berthing wrote: > On Mon, 10 Jul 2023 at 20:29, Conor Dooley <conor@xxxxxxxxxx> wrote: > > > > > > Emil, Walker, > > > > On Tue, Jun 27, 2023 at 04:06:20PM +0800, Felix Moessbauer wrote: > > > Add the '-@' DTC option for the starfive devices. This option > > > populates the '__symbols__' node that contains all the necessary symbols > > > for supporting device-tree overlays (for instance from the firmware or > > > the bootloader) on these devices. > > > > > > The starfive devices allow various modules to be connected and this > > > enables users to create out-of-tree device-tree overlays for these modules. > > > > > > Please note that this change does increase the size of the resulting DTB > > > by ~20%. For example, with v6.4 increase in size is as follows: > > > > Whatcha think? > > I'm fine with it. I just wonder why it's only the Nvidia Tegra boards > and the VisionFive's that need this. Surely other boards have pins for > expansion cards. It's totally not just these two - there's been a flurry of similar patches recently. The RPi stuff got it - I think I Acked that one from the DT side while Rob and Krzysztof were out of office, partially on the basis that the Nvidia stuff had it (and IIRC Renesas). Since then there's been a couple other ones that got the same treatment, including 32-bit ARM Microchip stuff. I've been avoiding doing it for the RISC-V Microchip to see if Rob decides that what I Acked was a problem. It seems generally helpful, so I've been a little suspicious as to why it was not done already...
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