On Tue, Dec 7, 2021 at 10:22 AM Arnd Bergmann <arnd@xxxxxxxx> wrote: > > On Tue, Dec 7, 2021 at 1:20 AM Paul Cercueil <paul@xxxxxxxxxxxxxxx> wrote: > > > > This patchset reworks the pm_ptr() macro I introduced a few versions > > ago, so that it is not conditionally defined. > > > > It applies the same treatment to the *_PM_OPS macros. Instead of > > modifying the existing ones, which would mean a 2000+ patch bomb, this > > patchset introduce two new macros to replace the now deprecated > > UNIVERSAL_DEV_PM_OPS() and SIMPLE_DEV_PM_OPS(). > > > > The point of all of this, is to progressively switch from a code model > > where PM callbacks are all protected behind CONFIG_PM guards, to a code > > model where PM callbacks are always seen by the compiler, but discarded > > if not used. > > > > Patch [4/5] and [5/5] are just examples to illustrate the use of the new > > macros. As such they don't really have to be merged at the same time as > > the rest and can be delayed until a subsystem-wide patchset is proposed. > > > > - Patch [4/5] modifies a driver that already used the pm_ptr() macro, > > but had to use the __maybe_unused flag to avoid compiler warnings; > > - Patch [5/5] modifies a driver that used a #ifdef CONFIG_PM guard > > around its suspend/resume functions. > > This is fantastic, I love the new naming and it should provide a great path > towards converting all drivers eventually. I've added the patches to > my randconfig test build box to see if something breaks, but otherwise > I think these are ready to get into linux-next, at least patches 1-3, > so subsystem > maintainers can start queuing up the conversion patches once the > initial set is merged. > > Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx> Patches [0-3/5] applied as 5.17 material. The mmc patches need ACKs, but I can take them too.
