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

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Message-ID: <Z3ZWt0Whyppr6GKX@shikoro>
Date: Thu, 2 Jan 2025 10:04:55 +0100
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-i3c@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Przemysław Gaj <pgaj@...ence.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: Re: [PATCH RFT v2 5/5] i3c: cdns: use get_parity8 helper instead of
 open coding it


> >         /* 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?


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