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Subject: Re: [PATCH 04/11] clk: divider: Introduce CLK_DIVIDER_EVEN_INTEGERS flag
From: Stephen Boyd <sboyd@kernel.org>
Cc: linux-mips@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>, Gregory CLEMENT <gregory.clement@bootlin.com>, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Tawfik Bayouk <tawfik.bayouk@mobileye.com>, =?utf-8?q?Th=C3=A9o?= Lebrun <theo.lebrun@bootlin.com>
To: Conor Dooley <conor+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Linus Walleij <linus.walleij@linaro.org>, Michael Turquette <mturquette@baylibre.com>, Philipp Zabel <p.zabel@pengutronix.de>, Rob Herring <robh@kernel.org>, =?utf-8?q?Th=C3=A9o?= Lebrun <theo.lebrun@bootlin.com>
Date: Wed, 10 Apr 2024 20:06:34 -0700
User-Agent: alot/0.10

Quoting Th=C3=A9o Lebrun (2024-04-10 10:12:33)
> index 4a537260f655..cb348e502e41 100644
> --- a/include/linux/clk-provider.h
> +++ b/include/linux/clk-provider.h
> @@ -675,13 +675,15 @@ struct clk_div_table {
>   * CLK_DIVIDER_BIG_ENDIAN - By default little endian register accesses a=
re used
>   *     for the divider register.  Setting this flag makes the register a=
ccesses
>   *     big endian.
> + * CLK_DIVIDER_EVEN_INTEGERS - clock divisor is 2, 4, 6, 8, 10, etc.
> + *     Formula is 2 * (value read from hardware + 1).
>   */
>  struct clk_divider {
>         struct clk_hw   hw;
>         void __iomem    *reg;
>         u8              shift;
>         u8              width;
> -       u8              flags;
> +       u16             flags;

This can stay u8

>         const struct clk_div_table      *table;
>         spinlock_t      *lock;
>  };

We should add a kunit test.