linux-kernel - Re: [PATCH v4 03/42] dt-bindings: clock: Add Cirrus EP93xx

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Date:   Fri, 15 Sep 2023 12:36:04 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     nikita.shubin@...uefel.me,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v4 03/42] dt-bindings: clock: Add Cirrus EP93xx

On 15/09/2023 10:10, Nikita Shubin via B4 Relay wrote:
> From: Nikita Shubin <nikita.shubin@...uefel.me>
> 

Thank you for your patch. There is something to discuss/improve.


> diff --git a/include/dt-bindings/clock/cirrus,ep9301-clk.h b/include/dt-bindings/clock/cirrus,ep9301-clk.h
> new file mode 100644
> index 000000000000..3cd053c0fdea
> --- /dev/null
> +++ b/include/dt-bindings/clock/cirrus,ep9301-clk.h
> @@ -0,0 +1,41 @@
> +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
> +#ifndef DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
> +#define DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H
> +
> +#define EP93XX_CLK_UART1	0
> +#define EP93XX_CLK_UART2	1
> +#define EP93XX_CLK_UART3	2
> +
> +#define EP93XX_CLK_ADC		3
> +#define EP93XX_CLK_ADC_EN	4
> +
> +#define EP93XX_CLK_KEYPAD   5

Wrong indentation - use tab instead of spaces, just like in other places.

> +
> +#define EP93XX_CLK_VIDEO	6
> +
> +#define EP93XX_CLK_I2S_MCLK	7
> +#define EP93XX_CLK_I2S_SCLK	8
> +#define EP93XX_CLK_I2S_LRCLK	9
> +
> +#define EP93XX_CLK_UART		10
> +#define EP93XX_CLK_SPI		11
> +#define EP93XX_CLK_PWM		12
> +#define EP93XX_CLK_USB		13
> +
> +#define EP93XX_CLK_M2M0		14
> +#define EP93XX_CLK_M2M1		15
> +
> +#define EP93XX_CLK_M2P0		16
> +#define EP93XX_CLK_M2P1		17
> +#define EP93XX_CLK_M2P2		18
> +#define EP93XX_CLK_M2P3		19
> +#define EP93XX_CLK_M2P4		20
> +#define EP93XX_CLK_M2P5		21
> +#define EP93XX_CLK_M2P6		22
> +#define EP93XX_CLK_M2P7		23
> +#define EP93XX_CLK_M2P8		24
> +#define EP93XX_CLK_M2P9		25
> +
> +#define EP93XX_CLK_END      26

Here as well... except I propose to drop it. Number of clocks should not
be part of bindings, because then you cannot grow it.

With indentation fixed and CLK_END dropped:


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof