On 06/28/2013 08:49 PM, Sergei Shtylyov wrote: > Hello. > > On 27-06-2013 5:15, Aaron Lu wrote: > >>>>> There are some SATA controllers which have both devices 0 and 1 but this module > >>>> Do you mean a SATA port can connect to two SATA devices without PMP? > >>> No, I mean 2 SATA ports combined in one ATA channel as 2 devices. >>> Look for SLAVE_POSS in drivers/ata/[s]ata*.c... > >> Oh yes that happened when the SATA controller is in IDE programming >> mode, not AHCI. > > AHCI is not the only mode for the SATA controllers. Right. > >> ZPODD is only supported for SATA controllers in AHCI programming mode, > > Hm, really? How about the true SATA controllers that don't use AHCI? If they don't set ATA_FLAG_ACPI_SATA, no. > >> the ACPI table will not support power off the port if the controller is >> in IDE mode, so the device 1 case shouldn't happen in practice :-) > > Anyway, I need uniform setup for ata_exec_internal() call for my to > be posted cleanup patches. No problem. Thanks, Aaron -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
