On Mon, Nov 28, 2022 at 09:17:38PM +0000, Conor Dooley wrote: > On 28/11/2022 21:11, Heiko Stübner wrote: > > Am Samstag, 26. November 2022, 17:40:11 CET schrieb Conor Dooley: > >> On Fri, Nov 25, 2022 at 05:46:56PM -0600, Samuel Holland wrote: > >>> Now that several D1-based boards are supported, enable the platform in > >>> our defconfig. Build in the drivers which are necessary to boot, such as > >>> the pinctrl, MMC, RTC (which provides critical clocks), SPI (for flash), > >>> and watchdog (which may be left enabled by the bootloader). > >> > >> All of that looks good. > >> > >>> Other common > >>> onboard peripherals are enabled as modules. > >> > >> This I am not sure about though. I'll leave that to Palmer since I'm > >> pretty sure it was him that said it, but I thought the plan was only > >> turning on stuff required to boot to a console & things that are > >> generally useful rather than enabling modules for everyone's "random" > >> drivers. Palmer? > > > > Isn't the defconfig meant as a starting point to get working systems > > with minimal config effort? At least that was always the way to go on arm > > so far :-) . > > > > So having boot-required drivers built-in with the rest enabled as modules > > for supported boards will allow people to boot theirs without headaches. > > > > Disabling unneeded drivers if you're starved for storage space in a special > > project is always easier than hunting down all the drivers to enable for a > > specific board. > > I wouldn't mind being able to turn on all the PolarFire SoC stuff and > yeah, that would be the way that arm64 does it. But I do recall hearing > that I should not turn stuff on this way, when I initially tried to > turn stuff on via selects, got a nack and asked if I could do this instead. > > But it may be that I misremember, which is why I appealed to the Higher > Powers for clarification :) FWIW, I don't worry too much about modules in defconfig because I always immediately apply a 'LSMOD=$PWD/L localmodconfig' to it, where the L file is an lsmod output which only includes modules I need. Thanks, drew > > _______________________________________________ > linux-riscv mailing list > linux-riscv@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-riscv
