[PATCH v4 1/7] riscv: asm: alternative-macros: Introduce ALTERNATIVE_3() macro

[Andrew Jones]

On Thu, Nov 24, 2022 at 08:05:40PM +0000, Conor Dooley wrote:
> On Thu, Nov 24, 2022 at 08:58:41PM +0100, Heiko Stübner wrote:
> > Am Donnerstag, 24. November 2022, 20:52:33 CET schrieb Conor Dooley:
> > > On Thu, Nov 24, 2022 at 05:22:01PM +0000, Prabhakar wrote:
> > > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
> > > > 
> > > > Introduce ALTERNATIVE_3() macro.
> > > 
> > > Bit perfunctory I think! There's a lovely comment down below that would
> > > make for a better commit message if you were to yoink it.
> > > Content looks about what I'd expect to see though.
> > 
> > Also both the comment on the original ALTERNATIVE_2 and the new ALTERNATIVE_3
> > should probably be merged into a single comment explaining this once for all
> > ALTERNATIVE_x variants.
> > 
> > Especially with the dma stuff, I'm pretty sure we'll get at least an ALTERNATIVE_4
> > if not even more ;-) . So we defnitly don't want to repeat this multiple times.
> 
> Oh I can promise you that there'll be a #4 ;)

I took a stab[*] at cleaning up alternative-macros.h a bit in order to
prepare for _3, _4, ..., _42. The idea was to try and find a way to
reduce as much duplication as possible, both in the current code and
in the new macros.

[*] https://lore.kernel.org/all/20221125113959.35328-1-ajones@ventanamicro.com/

Thanks,
drew