netdev - Re: [PATCH v3 03/20] soc: rockchip: grf: switch to FIELD_PREP_WM16

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Message-ID: <6548370.QJadu78ljV@phil>
Date: Wed, 27 Aug 2025 08:55:24 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: Yury Norov <yury.norov@...il.com>,
 Rasmus Villemoes <linux@...musvillemoes.dk>,
 Jaehoon Chung <jh80.chung@...sung.com>, Ulf Hansson <ulf.hansson@...aro.org>,
 Shreeya Patel <shreeya.patel@...labora.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>, Sandy Huang <hjc@...k-chips.com>,
 Andy Yan <andy.yan@...k-chips.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
 Nicolas Frattaroli <frattaroli.nicolas@...il.com>,
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
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 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kwilczynski@...nel.org>,
 Manivannan Sadhasivam <mani@...nel.org>, Rob Herring <robh@...nel.org>,
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 MyungJoo Ham <myungjoo.ham@...sung.com>,
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 Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
Cc: kernel@...labora.com, linux-kernel@...r.kernel.org,
 linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-media@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-phy@...ts.infradead.org,
 linux-sound@...r.kernel.org, netdev@...r.kernel.org,
 linux-stm32@...md-mailman.stormreply.com, linux-pci@...r.kernel.org,
 linux-pm@...r.kernel.org, linux-clk@...r.kernel.org, llvm@...ts.linux.dev,
 Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
Subject:
 Re: [PATCH v3 03/20] soc: rockchip: grf: switch to FIELD_PREP_WM16_CONST
 macro

Am Montag, 25. August 2025, 10:28:23 Mitteleuropäische Sommerzeit schrieb Nicolas Frattaroli:
> The era of hand-rolled HIWORD_UPDATE macros is over, at least for those
> drivers that use constant masks.
> 
> Switch the rockchip grf driver to the FIELD_PREP_WM16_CONST macro, which
> brings with it more error checking while still being able to be used in
> initializers.
> 
> All HIWORD_UPDATE instances and its definition are removed from the
> driver, as the conversion here is obvious, and static_asserts were used
> during development to make sure the ones greater than one bit in width
> were really equivalent.
> 
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>

Reviewed-by: Heiko Stuebner <heiko@...ech.de>