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

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Date:   Fri, 4 Nov 2022 15:18:00 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        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

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 :-)

Cheers,
Angelo