Re: [PATCH v2 8/8] arm64: defconfig: enable interconnect and pinctrl for SM4450

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On 9/15/2023 4:29 AM, Krzysztof Kozlowski wrote:
> On 15/09/2023 13:18, Tengfei Fan wrote:
>>
>>
>> 在 9/15/2023 5:16 PM, Krzysztof Kozlowski 写道:
>>> On 15/09/2023 11:12, Tengfei Fan wrote:
>>>>
>>>>
>>>> 在 9/15/2023 3:21 PM, Krzysztof Kozlowski 写道:
>>>>> On 15/09/2023 04:15, Tengfei Fan wrote:
>>>>>> Add the SM4450 interconnect and pinctrl drivers as built-in for
>>>>>> support the Qualcomm SM4450 platform to boot to uart shell.
>>>>>>
>>>>>> Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx>
>>>>>> ---
>>>>>>    arch/arm64/configs/defconfig | 2 ++
>>>>>>    1 file changed, 2 insertions(+)
>>>>>>
>>>>>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
>>>>>> index ec59174b14db..e91993de865e 100644
>>>>>> --- a/arch/arm64/configs/defconfig
>>>>>> +++ b/arch/arm64/configs/defconfig
>>>>>> @@ -598,6 +598,7 @@ CONFIG_PINCTRL_SC8280XP=y
>>>>>>    CONFIG_PINCTRL_SDM660=y
>>>>>>    CONFIG_PINCTRL_SDM670=y
>>>>>>    CONFIG_PINCTRL_SDM845=y
>>>>>> +CONFIG_PINCTRL_SM4450=y
>>>>>>    CONFIG_PINCTRL_SM6115=y
>>>>>>    CONFIG_PINCTRL_SM6125=y
>>>>>>    CONFIG_PINCTRL_SM6350=y
>>>>>> @@ -1500,6 +1501,7 @@ CONFIG_INTERCONNECT_QCOM_SC7280=y
>>>>>>    CONFIG_INTERCONNECT_QCOM_SC8180X=y
>>>>>>    CONFIG_INTERCONNECT_QCOM_SC8280XP=y
>>>>>>    CONFIG_INTERCONNECT_QCOM_SDM845=y
>>>>>> +CONFIG_INTERCONNECT_QCOM_SM4450=y
>>>>>
>>>>> Why it cannot be =m?
>>>>>
>>>>> Best regards,
>>>>> Krzysztof
>>>>>
>>>>
>>>> Hi Krzysztof,
>>>> Because system haven't capacity of loading ko files at this time on
>>>> SM4450 platform, so setting to "Y".
>>>
>>> Hm? System has this capability. All systems have. What is so different
>>> on SM4450 comparing to everything else we have here?
>>>
>>> No, this should be =m and you need to fix your system.
>>>
>>> Best regards,
>>> Krzysztof
>>>
>> Hi Krzysztof,
>> Find new way which can load ko files on SM4450 platform, still need use 
>> "Y", because of some other modules have dependence to these two config, 
>> like scm, smmu module drivers, uart shell console cannot be got if set 
>> to "m".
> 
> That's what I am asking, which device exactly needs it.
> 
>>
>> Also do test for setting these two config to "m" on SM8450 platform, get 
>> uart shell consle failed if so setting.
> 
> Yeah, this we know, I did this. I am asking about SM4450.

Why we have =m requirement when other drivers above are =Y?. Can we confirm
w/ Georgi? I am not aware that Interconnect drivers needs to be =m only.

CONFIG_INTERCONNECT_QCOM_SC8180X=y
CONFIG_INTERCONNECT_QCOM_SC8280XP=y
CONFIG_INTERCONNECT_QCOM_SDM845=y

-- 
---Trilok Soni





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