Automatic merge of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-2.6.git
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ad542ef5b2
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@ -1253,11 +1253,11 @@ void __sata_phy_reset(struct ata_port *ap)
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unsigned long timeout = jiffies + (HZ * 5);
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if (ap->flags & ATA_FLAG_SATA_RESET) {
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scr_write(ap, SCR_CONTROL, 0x301); /* issue phy wake/reset */
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scr_read(ap, SCR_STATUS); /* dummy read; flush */
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/* issue phy wake/reset */
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scr_write_flush(ap, SCR_CONTROL, 0x301);
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udelay(400); /* FIXME: a guess */
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}
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scr_write(ap, SCR_CONTROL, 0x300); /* issue phy wake/clear reset */
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scr_write_flush(ap, SCR_CONTROL, 0x300); /* phy wake/clear reset */
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/* wait for phy to become ready, if necessary */
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do {
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@ -2539,7 +2539,7 @@ static void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
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ata_sg_init_one(qc, cmd->sense_buffer, sizeof(cmd->sense_buffer));
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qc->dma_dir = DMA_FROM_DEVICE;
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memset(&qc->cdb, 0, sizeof(ap->cdb_len));
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memset(&qc->cdb, 0, ap->cdb_len);
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qc->cdb[0] = REQUEST_SENSE;
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qc->cdb[4] = SCSI_SENSE_BUFFERSIZE;
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@ -2811,6 +2811,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
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/* call completion callback */
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rc = qc->complete_fn(qc, drv_stat);
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qc->flags &= ~ATA_QCFLAG_ACTIVE;
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/* if callback indicates not to complete command (non-zero),
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* return immediately
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@ -3229,7 +3230,8 @@ irqreturn_t ata_interrupt (int irq, void *dev_instance, struct pt_regs *regs)
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struct ata_queued_cmd *qc;
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qc = ata_qc_from_tag(ap, ap->active_tag);
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if (qc && (!(qc->tf.ctl & ATA_NIEN)))
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if (qc && (!(qc->tf.ctl & ATA_NIEN)) &&
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(qc->flags & ATA_QCFLAG_ACTIVE))
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handled |= ata_host_intr(ap, qc);
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}
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}
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@ -347,7 +347,10 @@ int ata_scsi_slave_config(struct scsi_device *sdev)
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*/
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if ((dev->flags & ATA_DFLAG_LBA48) &&
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((dev->flags & ATA_DFLAG_LOCK_SECTORS) == 0)) {
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sdev->host->max_sectors = 2048;
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/*
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* do not overwrite sdev->host->max_sectors, since
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* other drives on this host may not support LBA48
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*/
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blk_queue_max_sectors(sdev->request_queue, 2048);
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}
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}
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@ -395,7 +395,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
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/* Clear a magic bit in SCR1 according to Darwin, those help
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* some funky seagate drives (though so far, those were already
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* set by the firmware on the machines I had access to
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* set by the firmware on the machines I had access to)
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*/
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writel(readl(mmio_base + K2_SATA_SICR1_OFFSET) & ~0x00040000,
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mmio_base + K2_SATA_SICR1_OFFSET);
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@ -584,6 +584,13 @@ static inline void scr_write(struct ata_port *ap, unsigned int reg, u32 val)
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ap->ops->scr_write(ap, reg, val);
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}
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static inline void scr_write_flush(struct ata_port *ap, unsigned int reg,
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u32 val)
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{
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ap->ops->scr_write(ap, reg, val);
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(void) ap->ops->scr_read(ap, reg);
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}
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static inline unsigned int sata_dev_present(struct ata_port *ap)
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{
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return ((scr_read(ap, SCR_STATUS) & 0xf) == 0x3) ? 1 : 0;
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