linux-kernel - Re: [PATCH v5 00/16] Add support for Tesla Full Self-Driving (FSD) SoC

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Date:   Wed, 26 Jan 2022 10:19:36 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Alim Akhtar <alim.akhtar@...sung.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     soc@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, olof@...om.net, arnd@...db.de,
        linus.walleij@...aro.org, catalin.marinas@....com,
        robh+dt@...nel.org, s.nawrocki@...sung.com,
        linux-samsung-soc@...r.kernel.org, pankaj.dubey@...sung.com,
        sboyd@...nel.org
Subject: Re: [PATCH v5 00/16] Add support for Tesla Full Self-Driving (FSD)
 SoC

On 26/01/2022 07:50, Alim Akhtar wrote:
> Hi Krzysztof
> 
>> -----Original Message-----
>> From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@...onical.com]
>> Sent: Tuesday, January 25, 2022 10:56 PM
>> To: Alim Akhtar <alim.akhtar@...sung.com>; linux-arm-
>> kernel@...ts.infradead.org; linux-kernel@...r.kernel.org
>> Cc: soc@...nel.org; linux-clk@...r.kernel.org; devicetree@...r.kernel.org;
>> olof@...om.net; arnd@...db.de; linus.walleij@...aro.org;
>> catalin.marinas@....com; robh+dt@...nel.org; s.nawrocki@...sung.com;
>> linux-samsung-soc@...r.kernel.org; pankaj.dubey@...sung.com;
>> sboyd@...nel.org
>> Subject: Re: [PATCH v5 00/16] Add support for Tesla Full Self-Driving (FSD) SoC
>>
>> On 25/01/2022 18:12, Krzysztof Kozlowski wrote:
>>> On 24/01/2022 15:16, Alim Akhtar wrote:
>>>> Adds basic support for the Tesla Full Self-Driving (FSD) SoC. This
>>>> SoC contains three clusters of four Cortex-A72 CPUs, as well as
>>>> several IPs.
>>>>
>>>> Patches 1 to 9 provide support for the clock controller (which is
>>>> designed similarly to Exynos SoCs).
>>>>
>>>> The remaining changes provide pinmux support, initial device tree support.
>>>>
>>>> - Changes since v4
>>>> * fixed 'make dtbs_check' warnings on patch 14/16
>>>>
>>>> - Changes since v3
>>>> * Addressed Stefen's review comments on patch 14/16
>>>> * Fixed kernel test robot warning on patch 04/16
>>>> * rebsaed this series on Krzysztof's pinmux new binding schema work
>>>> [1]
>>>>
>>>> - Changes since v2
>>>> * Addressed Krzysztof's and Stephen's review comments
>>>> * Added Reviewed-by and Acked-by tags
>>>> * Rebased on next-20220120
>>>>
>>>> - Changes since v1
>>>> * fixed make dt_binding_check error as pointed by Rob
>>>> * Addressed Krzysztof's and Rob's review comments
>>>> * Added Reviewed-by and Acked-by tags
>>>> * Dropped SPI, MCT and ADC from this series (to be posted in small
>>>> sets)
>>>>
>>>> NOTE: These patches are based on Krzysztof's pinmux for-next branch
>>>> commit 832ae134ccc1 ("pinctrl: samsung: add support for Exynos850 and
>>>> ExynosAutov9 wake-ups") [1]
>>>> https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung.git/l
>>>> og/?h=for-next
>>>>
>>>>
>>>
>>> Thanks, applied DTS/soc and pinctrl patches.
>>>
>>> I expect Sylwester will pick up the clock ones. Otherwise please let
>>> me know to pick it up as well.
>>
>> I forgot that clock macros are used in DTS. This does not compile and I cannot
>> take drivers into DTS branch.
>>
>> Alim,
>> DTS changes dropped. Please resend with the same trick we did for
>> Exynos850 board - hard-coded clock IDs as defines. See:
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git/diff/arch/arm6
>> 4/boot/dts/exynos/exynos850.dtsi?h=samsung-dt64-5.17-
>> 2&id=e3493220fd3e474abcdcefbe14fb60485097ce06
>>
> Ok, I will resend patch 14 and 15 (DTS changes) only as suggested above.

I see Sylwester acked clock patches, so I will take them. No need to
resend, I'll organize the patches so they will compile.


Best regards,
Krzysztof