Re: [PATCH v2] ata: ahci: Add mask_port_map module parameter

[Damien Le Moal <dlemoal@kernel.org>]

On 4/6/24 07:53, Conrad Kostecki wrote:
> Hi Damien,
> 
> Am 05.04.2024 14:51:43, "Damien Le Moal" <dlemoal@kernel.org> schrieb:
> 
>> <PATCH v2>
> i did run a test on my hardware.
> It seems to work and adjusting the port_map. But I noticed a difference, that
> those virtual hostXY ports are not marked as DUMMY.
> With the previous patch, only six ports reported "ahci" and rest "DUMMY".
> I am not sure, if that should also not happen with your patch?

Let me check again.

> Conrad
> [   13.365573] ahci 0000:09:00.0: masking port_map 0xffffff3f -> 0x3f
> [   13.376511] ahci 0000:09:00.0: SSS flag set, parallel bus scan disabled
> [   13.395670] ahci 0000:09:00.0: AHCI 0001.0301 32 slots 32 ports 6 Gbps 0x3f
> impl SATA mode
> [   13.397111] ahci 0000:09:00.0: flags: 64bit ncq sntf stag pm led only pio
> sxs deso sadm sds apst
> [   13.593757] scsi host9: ahci
> [   13.597362] scsi host10: ahci
> [   13.600949] scsi host11: ahci
> [   13.604548] scsi host12: ahci
> [   13.612459] scsi host13: ahci
> [   13.616027] scsi host14: ahci
> [   13.616437] scsi host15: ahci
> [   13.616745] scsi host16: ahci
> [   13.617039] scsi host17: ahci
> [   13.617415] scsi host18: ahci
> [   13.617723] scsi host19: ahci
> [   13.637158] scsi host20: ahci
> [   13.640666] scsi host21: ahci
> [   13.651760] scsi host22: ahci
> [   13.652311] scsi host23: ahci
> [   13.652850] scsi host24: ahci
> [   13.656374] scsi host25: ahci
> [   13.664120] scsi host26: ahci
> [   13.664570] scsi host27: ahci
> [   13.686567] scsi host28: ahci
> [   13.690179] scsi host29: ahci
> [   13.697603] scsi host30: ahci
> [   13.698083] scsi host31: ahci
> [   13.698518] scsi host32: ahci
> [   13.701855] scsi host33: ahci
> [   13.702323] scsi host34: ahci
> [   13.702745] scsi host35: ahci
> [   13.721520] scsi host36: ahci
> [   13.725157] scsi host37: ahci
> [   13.736948] scsi host38: ahci
> [   13.737383] scsi host39: ahci
> [   13.748518] scsi host40: ahci

-- 
Damien Le Moal
Western Digital Research