linux-kernel - Re: [PATCH 4/5] dt-bindings: clock: Add USB OTG clock for X1000.

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Date:   Wed, 27 Nov 2019 18:19:08 +0100
From:   Paul Cercueil <paul@...pouillou.net>
To:     Zhou Yanjie <zhouyanjie@...o.com>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, paul.burton@...s.com, paulburton@...nel.org,
        mturquette@...libre.com, sboyd@...nel.org, mark.rutland@....com,
        syq@...ian.org, sernia.zhou@...mail.com, zhenwenjin@...il.com
Subject: Re: [PATCH 4/5] dt-bindings: clock: Add USB OTG clock for X1000.

Hi Zhou,


Le mer., nov. 27, 2019 at 11:32, Zhou Yanjie <zhouyanjie@...o.com> a 
écrit :
> Add the USB OTC clock bindings for the X1000 Soc from Ingenic.
> 
> Signed-off-by: Zhou Yanjie <zhouyanjie@...o.com>
> ---
>  include/dt-bindings/clock/x1000-cgu.h | 23 ++++++++++++-----------
>  1 file changed, 12 insertions(+), 11 deletions(-)
> 
> diff --git a/include/dt-bindings/clock/x1000-cgu.h 
> b/include/dt-bindings/clock/x1000-cgu.h
> index bbaebaf..c401fce 100644
> --- a/include/dt-bindings/clock/x1000-cgu.h
> +++ b/include/dt-bindings/clock/x1000-cgu.h
> @@ -29,16 +29,17 @@
>  #define X1000_CLK_MSCMUX	14
>  #define X1000_CLK_MSC0		15
>  #define X1000_CLK_MSC1		16
> -#define X1000_CLK_SSIPLL	17
> -#define X1000_CLK_SSIMUX	18
> -#define X1000_CLK_SFC		19
> -#define X1000_CLK_I2C0		20
> -#define X1000_CLK_I2C1		21
> -#define X1000_CLK_I2C2		22
> -#define X1000_CLK_UART0		23
> -#define X1000_CLK_UART1		24
> -#define X1000_CLK_UART2		25
> -#define X1000_CLK_SSI		26
> -#define X1000_CLK_PDMA		27

You can't do that. These macros are ABI now, since they are used in the 
devicetree. Just use the next valid number for your OTG clock.

Cheers,
-Paul

> +#define X1000_CLK_OTG		17
> +#define X1000_CLK_SSIPLL	18
> +#define X1000_CLK_SSIMUX	19
> +#define X1000_CLK_SFC		20
> +#define X1000_CLK_I2C0		21
> +#define X1000_CLK_I2C1		22
> +#define X1000_CLK_I2C2		23
> +#define X1000_CLK_UART0		24
> +#define X1000_CLK_UART1		25
> +#define X1000_CLK_UART2		26
> +#define X1000_CLK_SSI		27
> +#define X1000_CLK_PDMA		28
> 
>  #endif /* __DT_BINDINGS_CLOCK_X1000_CGU_H__ */
> --
> 2.7.4
> 
>