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SubjectRe: [PATCH v4 19/23] ata: ahci: Add DWC AHCI SATA controller support
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Hi Serge,

On 6/10/22 14:58, Serge Semin wrote:
> On Fri, Jun 10, 2022 at 09:34:46AM -0700, Randy Dunlap wrote:
>> Hi--
>
> Hi Randy
>
>>
>> On 6/10/22 01:17, Serge Semin wrote:
>>> diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
>>> index bb45a9c00514..95e0e022b5bb 100644
>>> --- a/drivers/ata/Kconfig
>>> +++ b/drivers/ata/Kconfig
>>> @@ -176,6 +176,16 @@ config AHCI_DM816
>>>
>>> If unsure, say N.
>>>
>>> +config AHCI_DWC
>>> + tristate "Synopsys DWC AHCI SATA support"
>>> + select SATA_HOST
>>> + default SATA_AHCI_PLATFORM
>>
>
>> I don't think this needs to default to SATA_AHCI_PLATFORM.
>> It might build a driver that isn't needed.
>> And it's incompatible with "If unsure, say N."
>
> Basically you are right, but this particular setting is connected with
> the modification I've done in the drivers/ata/ahci_platform.c driver
> in the framework of this commit. I've moved the "snps,spear-ahci" and
> "snps,dwc-ahci" compatible devices support to the new driver. Thus
> should I omit the SATA_AHCI_PLATFORM dependency their default kernel
> configs will lack the corresponding controllers support. If it's not a
> problem and we can rely on the kernel build system ability to ask
> whether the new config needs to be set/cleared, then I would be very
> happy to drop the default setting. What do you think?

I'd prefer to try it like that.
If it becomes a problem, we can go back to this v4 patch.

>>> + help
>>> + This option enables support for the Synopsys DWC AHCI SATA
>>> + controller implementation.
>>> +
>>> + If unsure, say N.
>>
>> --
>> ~Randy

Thanks.
--
~Randy

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