linux-kernel - Re: [PATCH v5 3/3] rtc: spacemit: default module when MFD_SPACEMIT

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Message-ID: <efe5c5e8-6b29-47ff-a3cf-9449f03890e6@riscstar.com>
Date: Sun, 11 Jan 2026 13:58:01 -0600
From: Alex Elder <elder@...cstar.com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>,
 Troy Mitchell <troy.mitchell@...ux.spacemit.com>
Cc: Lee Jones <lee@...nel.org>, Yixun Lan <dlan@...too.org>,
 Andi Shyti <andi.shyti@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
 linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev,
 linux-i2c@...r.kernel.org, linux-rtc@...r.kernel.org
Subject: Re: [PATCH v5 3/3] rtc: spacemit: default module when MFD_SPACEMIT_P1
 is enabled

On 1/9/26 4:38 PM, Alexandre Belloni wrote:
> On 08/01/2026 16:38:56+0800, Troy Mitchell wrote:
>> The RTC driver defaulted to the same value as MFD_SPACEMIT_P1, which
>> caused it to be built-in automatically whenever the PMIC support was
>> set to y.
>>
>> This is not always desirable, as the RTC function is not required on
>> all platforms using the SpacemiT P1 PMIC.
>>
>> Acked-by: Alex Elder <elder@...cstar.com>
>> Signed-off-by: Troy Mitchell <troy.mitchell@...ux.spacemit.com>
>> ---
>> Change log in v5:
>> - add Alex's tag
>> - Link to v4: https://lore.kernel.org/all/20251225-p1-kconfig-fix-v4-3-44b6728117c1@linux.spacemit.com/
> 
> See my reply on v4, this is still a NAK for me, I don't believe this
> change is necessary as soon as the default for MFD_SPACEMIT_P1 is m.

Yes I have reconsidered what Alexandre was saying and now I
agree with him, I don't believe this patch is required.

					-Alex

>> ---
>>   drivers/rtc/Kconfig | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
>> index 50dc779f7f983074df7882200c90f0df21d142f2..53866493e9bbaf35ff0de85cbfe43e8343eadc1e 100644
>> --- a/drivers/rtc/Kconfig
>> +++ b/drivers/rtc/Kconfig
>> @@ -410,7 +410,7 @@ config RTC_DRV_SPACEMIT_P1
>>   	tristate "SpacemiT P1 RTC"
>>   	depends on ARCH_SPACEMIT || COMPILE_TEST
>>   	depends on MFD_SPACEMIT_P1
>> -	default MFD_SPACEMIT_P1
>> +	default m if MFD_SPACEMIT_P1
>>   	help
>>   	  Enable support for the RTC function in the SpacemiT P1 PMIC.
>>   	  This driver can also be built as a module, which will be called
>>
>> -- 
>> 2.52.0
>>