Re: [PATCH 2/2] ata: libata-core: Apply ATI NCQ horkage to ASPEED as well

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On 4/18/23 14:24, Christoph Hellwig wrote:
> On Mon, Apr 17, 2023 at 06:17:20PM -0700, Patrick McLean wrote:
>> We have some machines with ASPEED SATA controllers, and are seeing the same NCQ
>> issues that ATI controllers (I am not sure if it's a rebranded ATI controller,
>> or they both have some faulty implementation). This NCQ breakage is consistent
>> across a few different types of drives.
>> Instead of maintaining a list of drives that are broken with ASPEED controllers
> Are these ASPEED controllers all the same or a wide variety?
> Quirking all controllers from the same vendor seems like an overly
> broad approach to me.

Indeed. If you checked only one adapter model from ASPEED, then all that is
needed is define it with "board_ahci_noncq" in drivers/ata/ahci.c (see
ahci_pci_tbl array). NCQ support will be turned off for that particular adapter
with that.

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