linux-kernel - Re: [PATCH v1 0/7] i2c: busses: Introduce and use HZ_PER

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Message-ID: <803c76e7-30fc-4a0d-ab30-ea779747300b@collabora.com>
Date: Mon, 12 Jan 2026 17:15:33 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Andi Shyti <andi@...da.it>, Wolfram Sang <wsa+renesas@...g-engineering.com>,
 Qianfeng Rong <rongqianfeng@...o.com>, linux-i2c@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Cc: Khalil Blaiech <kblaiech@...dia.com>, Asmaa Mnebhi <asmaa@...dia.com>,
 Andi Shyti <andi.shyti@...nel.org>, Qii Wang <qii.wang@...iatek.com>,
 Matthias Brugger <matthias.bgg@...il.com>, Linus Walleij
 <linusw@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Patrice Chotard <patrice.chotard@...s.st.com>,
 Ard Biesheuvel <ardb@...nel.org>
Subject: Re: [PATCH v1 0/7] i2c: busses: Introduce and use HZ_PER_GHZ

Il 12/01/26 14:46, Andy Shevchenko ha scritto:
> A few drivers for I²C host controllers use HZ_PER_GHZ in numeric form.
> This is less readable and prone to subtle mistakes. Instead, introduce
> a well defined constant and use it in the drivers. No functional change
> implied except one case where 64-bit division replaced with 32-bit one.
> 
> Andy Shevchenko (7):
>    units: Add HZ_PER_GHZ
>    i2c: mlxbf: Use HZ_PER_GHZ constant instead of custom one
>    i2c: mt65xx: Use HZ_PER_GHZ constant instead of plain number
>    i2c: nomadik: Use HZ_PER_GHZ constant instead of plain number
>    i2c: rk3x: Use HZ_PER_GHZ constant instead of plain number
>    i2c: st: Use HZ_PER_GHZ constant instead of plain number
>    i2c: synquacer: Use HZ_PER_GHZ constant instead of plain number
> 
>   drivers/i2c/busses/i2c-mlxbf.c     |  5 ++---
>   drivers/i2c/busses/i2c-mt65xx.c    | 11 ++++++-----
>   drivers/i2c/busses/i2c-nomadik.c   |  7 ++++---
>   drivers/i2c/busses/i2c-rk3x.c      | 12 ++++++------
>   drivers/i2c/busses/i2c-st.c        |  3 ++-
>   drivers/i2c/busses/i2c-synquacer.c |  3 ++-
>   include/linux/units.h              |  3 +++
>   7 files changed, 25 insertions(+), 19 deletions(-)
> 

Whole series is

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>