[PATCH RFT v2 5/5] i3c: cdns: use get_parity8 helper instead of open coding it

Geert Uytterhoeven geert at linux-m68k.org
Thu Jan 2 01:28:22 PST 2025


Hi Wolfram,

On Thu, Jan 2, 2025 at 10:04 AM Wolfram Sang
<wsa+renesas at sang-engineering.com> wrote:
> > >         /* RR0[0] = ~XOR(addr[6:0]) */
> > > -       if (!(hweight8(addr & 0x7f) & 1))
> > > -               ret |= 1;
> > > +       ret |= parity8(addr & 0x7f) ? 0 : BIT(0);
> >
> > Perhaps keep the if()-construct, to better match the example in the
> > documentation in 1/5?
>
> Can do, don't care super much. I chose this construct because the other
> drivers in I3C use the above pattern. You still like the if() better?

Let's add more bike-shedding in 2025 ;-)

There's also a general dislike for the ternary operator (BTW, I do
agree it has its uses), especially if one of the paths is a no-op,
like ORing with zero.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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