Tejun Heo wrote: > sata_promise uses two different command modes - packet and TF. Packet > mode is intelligent low-overhead mode while TF is the same old > taskfile interface. As with other advanced interface (ahci/sil24), > ATA_TFLAG_POLLING has no effect in packet mode. However, PIO commands > are issued using TF interface in polling mode, so pdc_interrupt() > considers interrupts spurious if ATA_TFLAG_POLLING is set. > > This is broken for polling NODATA commands because command is issued > using packet mode but the interrupt handler ignores it due to > ATA_TFLAG_POLLING. Fix pdc_qc_issue_prot() such that ATA/ATAPI NODATA > commands are issued using TF interface if ATA_TFLAG_POLLING is set. > > This patch fixes detection failure introduced by polling SETXFERMODE. > > Signed-off-by: Tejun Heo <htejun@xxxxxxxxx> Eeeek... Wrong thread. Please ignore this posting. Will repost. Sorry. -- tejun _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
