From: Albert Lee Date: Mon, 22 May 2006 03:43:46 +0000 (+0800) Subject: [PATCH] libata: add pio flush for via atapi (was: Re: TR: ASUS A8V Deluxe, x86_64) X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bb31a8faa270beafcc51a65880c5564c6b718bd6;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git [PATCH] libata: add pio flush for via atapi (was: Re: TR: ASUS A8V Deluxe, x86_64) Backport the "pio flush" from the libata major update to 2.6.17 for via atapi. Signed-off-by: Albert Lee Signed-off-by: Jeff Garzik --- diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 823dfa78c0b..fa476e7e0a4 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -3643,6 +3643,8 @@ static void ata_pio_block(struct ata_port *ap) ata_pio_sector(qc); } + + ata_altstatus(ap); /* flush */ } static void ata_pio_error(struct ata_port *ap) @@ -3759,11 +3761,14 @@ static void atapi_packet_task(void *_data) spin_lock_irqsave(&ap->host_set->lock, flags); ap->flags &= ~ATA_FLAG_NOINTR; ata_data_xfer(ap, qc->cdb, qc->dev->cdb_len, 1); + ata_altstatus(ap); /* flush */ + if (qc->tf.protocol == ATA_PROT_ATAPI_DMA) ap->ops->bmdma_start(qc); /* initiate bmdma */ spin_unlock_irqrestore(&ap->host_set->lock, flags); } else { ata_data_xfer(ap, qc->cdb, qc->dev->cdb_len, 1); + ata_altstatus(ap); /* flush */ /* PIO commands are handled by polling */ ap->hsm_task_state = HSM_ST;