linux-kernel - Re: [PATCH v5 2/5] dt-bindings: clock: Add AST2500/AST2600 HACE reset definition

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Date:   Wed, 29 Jun 2022 07:57:40 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Neal Liu <neal_liu@...eedtech.com>,
        Corentin Labbe <clabbe.montjoie@...il.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Randy Dunlap <rdunlap@...radead.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Dhananjay Phadke <dhphadke@...rosoft.com>,
        Johnny Huang <johnny_huang@...eedtech.com>
Cc:     linux-aspeed@...ts.ozlabs.org, linux-crypto@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, BMC-SW@...eedtech.com
Subject: Re: [PATCH v5 2/5] dt-bindings: clock: Add AST2500/AST2600 HACE reset
 definition

On 29/06/2022 05:20, Neal Liu wrote:
> Add HACE reset bit definition for AST2500/AST2600.
> 
> Signed-off-by: Neal Liu <neal_liu@...eedtech.com>
> Signed-off-by: Johnny Huang <johnny_huang@...eedtech.com>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  include/dt-bindings/clock/aspeed-clock.h  | 3 ++-
>  include/dt-bindings/clock/ast2600-clock.h | 1 +
>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/include/dt-bindings/clock/aspeed-clock.h b/include/dt-bindings/clock/aspeed-clock.h
> index 9ff4f6e4558c..6e040f7c3426 100644
> --- a/include/dt-bindings/clock/aspeed-clock.h
> +++ b/include/dt-bindings/clock/aspeed-clock.h
> @@ -46,11 +46,12 @@
>  #define ASPEED_RESET_MCTP		1
>  #define ASPEED_RESET_ADC		2
>  #define ASPEED_RESET_JTAG_MASTER	3
> -#define ASPEED_RESET_MIC		4
> +#define ASPEED_RESET_HACE		4

I did not ack such change. This is a significant change from previous
version, invalidating my previous ack.

This breaks the ABI, so NAK without proper explanation why ABI break is
accepted.

>  #define ASPEED_RESET_PWM		5
>  #define ASPEED_RESET_PECI		6
>  #define ASPEED_RESET_I2C		7
>  #define ASPEED_RESET_AHB		8
>  #define ASPEED_RESET_CRT1		9
> +#define ASPEED_RESET_MIC		18
>  
>  #endif
> diff --git a/include/dt-bindings/clock/ast2600-clock.h b/include/dt-bindings/clock/ast2600-clock.h
> index 62b9520a00fd..d8b0db2f7a7d 100644
> --- a/include/dt-bindings/clock/ast2600-clock.h
> +++ b/include/dt-bindings/clock/ast2600-clock.h
> @@ -111,6 +111,7 @@
>  #define ASPEED_RESET_PCIE_RC_O		19
>  #define ASPEED_RESET_PCIE_RC_OEN	18
>  #define ASPEED_RESET_PCI_DP		5
> +#define ASPEED_RESET_HACE		4
>  #define ASPEED_RESET_AHB		1
>  #define ASPEED_RESET_SDRAM		0
>  


Best regards,
Krzysztof