linux-kernel - Re: [PATCH 01/20] bitfield: introduce HWORD

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Message-ID: <20250612124415.3399e26b@kernel.org>
Date: Thu, 12 Jun 2025 12:44:15 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
Cc: Yury Norov <yury.norov@...il.com>, Rasmus Villemoes
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Subject: Re: [PATCH 01/20] bitfield: introduce HWORD_UPDATE bitfield macros

On Thu, 12 Jun 2025 20:56:03 +0200 Nicolas Frattaroli wrote:
> Hardware of various vendors, but very notably Rockchip, often uses
> 32-bit registers where the upper 16-bit half of the register is a
> write-enable mask for the lower half.

Please limit the spread of this weirdness to a rockchip or "hiword"
specific header. To a normal reader of bitfield.h these macros will
be equally confusing and useless.