On Tue, Nov 30, 2010 at 06:40:49PM +0000, Russell King - ARM Linux wrote: > On Tue, Nov 30, 2010 at 04:21:47PM +0100, Arnd Bergmann wrote: > > On Tuesday 30 November 2010, Linus Walleij wrote: > > > 2010/11/26 Arnd Bergmann <arnd@xxxxxxxx>: > > > > > > > * When you say that the devices are static, I hope you do not mean > > > > static in the C language sense. We used to allow devices to be > > > > declared as "static struct" and registered using > > > > platform_device_register (or other bus specific functions). This > > > > is no longer valid and we are removing the existing users, do not > > > > add new ones. When creating a platform device, use > > > > platform_device_register_simple or platform_device_register_resndata. > > > > > > Is this part of the generic ARM runtime multi-platform kernel > > > and device trees shebang? > > > > > > The Ux500 still isn't in that sector, it needs extensive rewriting > > > of arch/arm/mach-ux500 to be done first, so as to support e.g. > > > U8500 and U5500 with a single kernel image. > > > > > > Trying to skin that cat that as part of this review is a bit too > > > much to ask IMO, I'd rather have the author of this driver > > > adapt to whatever platform data registration mechanism is > > > in place for the merge window. Else it needs fixing as part > > > of a bigger endavour to root out compile-time platform > > > configuration. > > > > The 'no static devices' rule is something that Greg brought up > > at the embedded developer session during PlumbersConf this year, > > I wasn't aware of the problem before that either. > > > > It is not related to the multi-platform kernel work and it's > > not ARM specific. > > > > Maybe Greg can give a short explanation of the impact of this. > > AFAIR, static device definitions still work, but there are > > plans to remove that capability in the future. > > There's lots of static devices, not only platform devices, in the ARM > tree. It's going to be a hell of a lot of work to fix this all up > properly. I agree, it's been abused for many years this way :( > I hope that the capability for static devices won't disappear until > the huge pile of work on ARM has been completed. Don't worry, it will not. thanks, greg k-h _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
