linux-kernel - Re: [PATCH 2/2] soc: qcom: Add Qualcomm Ramp Controller driver

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Message-ID: <18f5bcaa-2a41-b2b0-44a2-273728c52cfb@linaro.org>
Date:   Fri, 4 Nov 2022 10:22:52 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, agross@...nel.org
Cc:     andersson@...nel.org, konrad.dybcio@...ainline.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, marijn.suijten@...ainline.org,
        kernel@...labora.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
Subject: Re: [PATCH 2/2] soc: qcom: Add Qualcomm Ramp Controller driver

On 04/11/2022 10:18, AngeloGioacchino Del Regno wrote:
> Il 04/11/22 15:04, Krzysztof Kozlowski ha scritto:
>> On 04/11/2022 09:35, AngeloGioacchino Del Regno wrote:
>>> From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
>>>
>>> The Ramp Controller is used to program the sequence ID for pulse
>>> swallowing, enable sequence and linking sequence IDs for the CPU
>>> cores on some Qualcomm SoCs.
>>>
>>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
>>> ---
>>>   drivers/soc/qcom/Kconfig           |   9 +
>>>   drivers/soc/qcom/Makefile          |   1 +
>>>   drivers/soc/qcom/ramp_controller.c | 330 +++++++++++++++++++++++++++++
>>>   3 files changed, 340 insertions(+)
>>>   create mode 100644 drivers/soc/qcom/ramp_controller.c
>>>
>>> diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
>>> index 024e420f1bb7..1e681f98bad4 100644
>>> --- a/drivers/soc/qcom/Kconfig
>>> +++ b/drivers/soc/qcom/Kconfig
>>> @@ -95,6 +95,15 @@ config QCOM_QMI_HELPERS
>>>   	tristate
>>>   	depends on NET
>>>   
>>> +config QCOM_RAMP_CTRL
>>> +	tristate "Qualcomm Ramp Controller driver"
>>> +	depends on ARCH_QCOM
>>
>> I propose:
>> depends on ARCH_QCOM && ARM || COMPILE_TEST
>>
>> I don't think it is used on ARM64 SoCs, so let's make life of distros
>> easier.
> 
> Forgot to reply to this one: MSM8956 and MSM8976 are ARM64 SoCs :-)

Yeah, indeed, I meant the other way around, so && ARM&64 :)

Best regards,
Krzysztof