linux-kernel - Re: [PATCH 1/2] dt-bindings: firmware: imx: sync with SCFW kit v1.13.0

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Date:   Fri, 16 Sep 2022 11:30:13 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Viorel Suman <viorel.suman@....nxp.com>
Cc:     Abel Vesa <abelvesa@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Viorel Suman <viorel.suman@....com>, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: firmware: imx: sync with SCFW kit
 v1.13.0

On 16/09/2022 11:17, Viorel Suman wrote:
> On 22-09-16 10:38:30, Krzysztof Kozlowski wrote:
>> On 15/09/2022 19:18, Viorel Suman (OSS) wrote:
>>> From: Viorel Suman <viorel.suman@....com>
>>>
>>> Sync defines with the latest available SCFW kit version 1.13.0,
>>> may be found at the address below:
>>>
>>> https://www.nxp.com/webapp/Download?colCode=L5.15.32_2.0.0_SCFWKIT-1.13.0&appType=license
>>>
>>> Signed-off-by: Viorel Suman <viorel.suman@....com>
>>> ---
>>>  include/dt-bindings/firmware/imx/rsrc.h | 299 ++++++++++++++++--------
>>>  1 file changed, 203 insertions(+), 96 deletions(-)
>>>
>>> diff --git a/include/dt-bindings/firmware/imx/rsrc.h b/include/dt-bindings/firmware/imx/rsrc.h
>>> index 43885056557c..a4c68f394986 100644
>>> --- a/include/dt-bindings/firmware/imx/rsrc.h
>>> +++ b/include/dt-bindings/firmware/imx/rsrc.h
>>> @@ -13,34 +13,38 @@
>>>   * never be changed or removed (only added to at the end of the list).
>>>   */
>>>  
>>> -#define IMX_SC_R_A53			0
>>> -#define IMX_SC_R_A53_0			1
>>
>> You cannot change binding constants... Aren't you breaking all possible
>> boards and users?
> 
> Hi Krzysztof,
> 
> There is a backward compatibility section added in the end of the patch,
> it follows the same approach as in SCFW kit v1.13.0:
> 
> +/*
> + * Compatibility defines for sc_rsrc_t
> + */
> +#define IMX_SC_R_A35                   IMX_SC_R_AP_2

Then it looks fine, except someone would need to compare/test the numbers...


Best regards,
Krzysztof