Merge pobox.com:/spare/repo/linux-2.6

into pobox.com:/spare/repo/libata-2.6

drivers/scsi/ata_piix.c

@@ -125,15 +125,15 @@ static struct ata_port_operations piix_pata_ops = {
 	.set_piomode		= piix_set_piomode,
 	.set_dmamode		= piix_set_dmamode,
 
-	.tf_load		= ata_tf_load_pio,
-	.tf_read		= ata_tf_read_pio,
-	.check_status		= ata_check_status_pio,
-	.exec_command		= ata_exec_command_pio,
+	.tf_load		= ata_tf_load,
+	.tf_read		= ata_tf_read,
+	.check_status		= ata_check_status,
+	.exec_command		= ata_exec_command,
 
 	.phy_reset		= piix_pata_phy_reset,
 
-	.bmdma_setup		= ata_bmdma_setup_pio,
-	.bmdma_start		= ata_bmdma_start_pio,
+	.bmdma_setup		= ata_bmdma_setup,
+	.bmdma_start		= ata_bmdma_start,
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
 
@@ -149,15 +149,15 @@ static struct ata_port_operations piix_pata_ops = {
 static struct ata_port_operations piix_sata_ops = {
 	.port_disable		= ata_port_disable,
 
-	.tf_load		= ata_tf_load_pio,
-	.tf_read		= ata_tf_read_pio,
-	.check_status		= ata_check_status_pio,
-	.exec_command		= ata_exec_command_pio,
+	.tf_load		= ata_tf_load,
+	.tf_read		= ata_tf_read,
+	.check_status		= ata_check_status,
+	.exec_command		= ata_exec_command,
 
 	.phy_reset		= piix_sata_phy_reset,
 
-	.bmdma_setup		= ata_bmdma_setup_pio,
-	.bmdma_start		= ata_bmdma_start_pio,
+	.bmdma_setup		= ata_bmdma_setup,
+	.bmdma_start		= ata_bmdma_start,
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
 

drivers/scsi/sata_nv.c

@@ -50,8 +50,6 @@
 #define NV_PIO_MASK			0x1f
 #define NV_MWDMA_MASK			0x07
 #define NV_UDMA_MASK			0x7f
-#define NV_PORT0_BMDMA_REG_OFFSET	0x00
-#define NV_PORT1_BMDMA_REG_OFFSET	0x08
 #define NV_PORT0_SCR_REG_OFFSET		0x00
 #define NV_PORT1_SCR_REG_OFFSET		0x40
 
@@ -187,7 +185,7 @@ static Scsi_Host_Template nv_sht = {
 	.eh_strategy_handler	= ata_scsi_error,
 	.can_queue		= ATA_DEF_QUEUE,
 	.this_id		= ATA_SHT_THIS_ID,
-	.sg_tablesize		= ATA_MAX_PRD,
+	.sg_tablesize		= LIBATA_MAX_PRD,
 	.max_sectors		= ATA_MAX_SECTORS,
 	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
 	.emulated		= ATA_SHT_EMULATED,
@@ -200,13 +198,13 @@ static Scsi_Host_Template nv_sht = {
 
 static struct ata_port_operations nv_ops = {
 	.port_disable		= ata_port_disable,
-	.tf_load		= ata_tf_load_pio,
-	.tf_read		= ata_tf_read_pio,
-	.exec_command		= ata_exec_command_pio,
-	.check_status		= ata_check_status_pio,
+	.tf_load		= ata_tf_load,
+	.tf_read		= ata_tf_read,
+	.exec_command		= ata_exec_command,
+	.check_status		= ata_check_status,
 	.phy_reset		= sata_phy_reset,
-	.bmdma_setup		= ata_bmdma_setup_pio,
-	.bmdma_start		= ata_bmdma_start_pio,
+	.bmdma_setup		= ata_bmdma_setup,
+	.bmdma_start		= ata_bmdma_start,
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
 	.eng_timeout		= ata_eng_timeout,
@@ -219,6 +217,18 @@ static struct ata_port_operations nv_ops = {
 	.host_stop		= nv_host_stop,
 };
 
+static struct ata_port_info nv_port_info = {
+	.sht		= &nv_sht,
+	.host_flags	= ATA_FLAG_SATA |
+			  ATA_FLAG_SATA_RESET |
+			  ATA_FLAG_SRST |
+			  ATA_FLAG_NO_LEGACY,
+	.pio_mask	= NV_PIO_MASK,
+	.mwdma_mask	= NV_MWDMA_MASK,
+	.udma_mask	= NV_UDMA_MASK,
+	.port_ops	= &nv_ops,
+};
+
 MODULE_AUTHOR("NVIDIA");
 MODULE_DESCRIPTION("low-level driver for NVIDIA nForce SATA controller");
 MODULE_LICENSE("GPL");
@@ -299,6 +309,7 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	static int printed_version = 0;
 	struct nv_host *host;
+	struct ata_port_info *ppi;
 	struct ata_probe_ent *probe_ent = NULL;
 	int rc;
 
@@ -320,7 +331,8 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc)
 		goto err_out_regions;
 
-	probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
+	ppi = &nv_port_info;
+	probe_ent = ata_pci_init_native_mode(pdev, &ppi);
 	if (!probe_ent) {
 		rc = -ENOMEM;
 		goto err_out_regions;
@@ -334,40 +346,6 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	host->host_desc = &nv_device_tbl[ent->driver_data];
 
-	memset(probe_ent, 0, sizeof(*probe_ent));
-	INIT_LIST_HEAD(&probe_ent->node);
-
-	probe_ent->pdev = pdev;
-	probe_ent->sht = &nv_sht;
-	probe_ent->host_flags = ATA_FLAG_SATA |
-				ATA_FLAG_SATA_RESET |
-				ATA_FLAG_SRST |
-				ATA_FLAG_NO_LEGACY;
-
-	probe_ent->port_ops = &nv_ops;
-	probe_ent->n_ports = NV_PORTS;
-	probe_ent->irq = pdev->irq;
-	probe_ent->irq_flags = SA_SHIRQ;
-	probe_ent->pio_mask = NV_PIO_MASK;
-	probe_ent->mwdma_mask = NV_MWDMA_MASK;
-	probe_ent->udma_mask = NV_UDMA_MASK;
-
-	probe_ent->port[0].cmd_addr = pci_resource_start(pdev, 0);
-	ata_std_ports(&probe_ent->port[0]);
-	probe_ent->port[0].altstatus_addr =
-	probe_ent->port[0].ctl_addr =
-		pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS;
-	probe_ent->port[0].bmdma_addr =
-		pci_resource_start(pdev, 4) | NV_PORT0_BMDMA_REG_OFFSET;
-
-	probe_ent->port[1].cmd_addr = pci_resource_start(pdev, 2);
-	ata_std_ports(&probe_ent->port[1]);
-	probe_ent->port[1].altstatus_addr =
-	probe_ent->port[1].ctl_addr =
-		pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS;
-	probe_ent->port[1].bmdma_addr =
-		pci_resource_start(pdev, 4) | NV_PORT1_BMDMA_REG_OFFSET;
-
 	probe_ent->private_data = host;
 
 	if (host->host_desc->host_flags & NV_HOST_FLAGS_SCR_MMIO) {

drivers/scsi/sata_promise.c

@@ -107,8 +107,8 @@ static Scsi_Host_Template pdc_sata_sht = {
 static struct ata_port_operations pdc_sata_ops = {
 	.port_disable		= ata_port_disable,
 	.tf_load		= pdc_tf_load_mmio,
-	.tf_read		= ata_tf_read_mmio,
-	.check_status		= ata_check_status_mmio,
+	.tf_read		= ata_tf_read,
+	.check_status		= ata_check_status,
 	.exec_command		= pdc_exec_command_mmio,
 	.phy_reset		= pdc_phy_reset,
 	.qc_prep		= pdc_qc_prep,
@@ -468,7 +468,7 @@ static void pdc_tf_load_mmio(struct ata_port *ap, struct ata_taskfile *tf)
 {
 	WARN_ON (tf->protocol == ATA_PROT_DMA ||
 		 tf->protocol == ATA_PROT_NODATA);
-	ata_tf_load_mmio(ap, tf);
+	ata_tf_load(ap, tf);
 }
 
 
@@ -476,7 +476,7 @@ static void pdc_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf)
 {
 	WARN_ON (tf->protocol == ATA_PROT_DMA ||
 		 tf->protocol == ATA_PROT_NODATA);
-	ata_exec_command_mmio(ap, tf);
+	ata_exec_command(ap, tf);
 }
 
 

drivers/scsi/sata_sil.c

@@ -125,14 +125,14 @@ static Scsi_Host_Template sil_sht = {
 static struct ata_port_operations sil_ops = {
 	.port_disable		= ata_port_disable,
 	.dev_config		= sil_dev_config,
-	.tf_load		= ata_tf_load_mmio,
-	.tf_read		= ata_tf_read_mmio,
-	.check_status		= ata_check_status_mmio,
-	.exec_command		= ata_exec_command_mmio,
+	.tf_load		= ata_tf_load,
+	.tf_read		= ata_tf_read,
+	.check_status		= ata_check_status,
+	.exec_command		= ata_exec_command,
 	.phy_reset		= sata_phy_reset,
 	.post_set_mode		= sil_post_set_mode,
-	.bmdma_setup            = ata_bmdma_setup_mmio,
-	.bmdma_start            = ata_bmdma_start_mmio,
+	.bmdma_setup            = ata_bmdma_setup,
+	.bmdma_start            = ata_bmdma_start,
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
 	.eng_timeout		= ata_eng_timeout,

drivers/scsi/sata_sis.c

@@ -94,13 +94,13 @@ static Scsi_Host_Template sis_sht = {
 
 static struct ata_port_operations sis_ops = {
 	.port_disable		= ata_port_disable,
-	.tf_load		= ata_tf_load_pio,
-	.tf_read		= ata_tf_read_pio,
-	.check_status		= ata_check_status_pio,
-	.exec_command		= ata_exec_command_pio,
+	.tf_load		= ata_tf_load,
+	.tf_read		= ata_tf_read,
+	.check_status		= ata_check_status,
+	.exec_command		= ata_exec_command,
 	.phy_reset		= sata_phy_reset,
-	.bmdma_setup            = ata_bmdma_setup_pio,
-	.bmdma_start            = ata_bmdma_start_pio,
+	.bmdma_setup            = ata_bmdma_setup,
+	.bmdma_start            = ata_bmdma_start,
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
 	.eng_timeout		= ata_eng_timeout,
@@ -112,6 +112,16 @@ static struct ata_port_operations sis_ops = {
 	.port_stop		= ata_port_stop,
 };
 
+static struct ata_port_info sis_port_info = {
+	.sht		= &sis_sht,
+	.host_flags	= ATA_FLAG_SATA | ATA_FLAG_SATA_RESET |
+			  ATA_FLAG_NO_LEGACY,
+	.pio_mask	= 0x1f,
+	.mwdma_mask	= 0x7,
+	.udma_mask	= 0x7f,
+	.port_ops	= &sis_ops,
+};
+
 
 MODULE_AUTHOR("Uwe Koziolek");
 MODULE_DESCRIPTION("low-level driver for Silicon Integratad Systems SATA controller");
@@ -185,6 +195,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct ata_probe_ent *probe_ent = NULL;
 	int rc;
 	u32 genctl;
+	struct ata_port_info *ppi;
 
 	rc = pci_enable_device(pdev);
 	if (rc)
@@ -201,20 +212,13 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc)
 		goto err_out_regions;
 
-	probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
+	ppi = &sis_port_info;
+	probe_ent = ata_pci_init_native_mode(pdev, &ppi);
 	if (!probe_ent) {
 		rc = -ENOMEM;
 		goto err_out_regions;
 	}
 
-	memset(probe_ent, 0, sizeof(*probe_ent));
-	probe_ent->pdev = pdev;
-	INIT_LIST_HEAD(&probe_ent->node);
-
-	probe_ent->sht = &sis_sht;
-	probe_ent->host_flags = ATA_FLAG_SATA | ATA_FLAG_SATA_RESET |
-				ATA_FLAG_NO_LEGACY;
-
 	/* check and see if the SCRs are in IO space or PCI cfg space */
 	pci_read_config_dword(pdev, SIS_GENCTL, &genctl);
 	if ((genctl & GENCTL_IOMAPPED_SCR) == 0)
@@ -231,32 +235,12 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 		probe_ent->host_flags |= SIS_FLAG_CFGSCR;
 	}
 
-	probe_ent->pio_mask = 0x1f;
-	probe_ent->mwdma_mask = 0x7;
-	probe_ent->udma_mask = 0x7f;
-	probe_ent->port_ops = &sis_ops;
-
-	probe_ent->port[0].cmd_addr = pci_resource_start(pdev, 0);
-	ata_std_ports(&probe_ent->port[0]);
-	probe_ent->port[0].ctl_addr =
-		pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS;
-	probe_ent->port[0].bmdma_addr = pci_resource_start(pdev, 4);
-	if (!(probe_ent->host_flags & SIS_FLAG_CFGSCR))
+	if (!(probe_ent->host_flags & SIS_FLAG_CFGSCR)) {
 		probe_ent->port[0].scr_addr =
 			pci_resource_start(pdev, SIS_SCR_PCI_BAR);
-
-	probe_ent->port[1].cmd_addr = pci_resource_start(pdev, 2);
-	ata_std_ports(&probe_ent->port[1]);
-	probe_ent->port[1].ctl_addr =
-		pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS;
-	probe_ent->port[1].bmdma_addr = pci_resource_start(pdev, 4) + 8;
-	if (!(probe_ent->host_flags & SIS_FLAG_CFGSCR))
 		probe_ent->port[1].scr_addr =
 			pci_resource_start(pdev, SIS_SCR_PCI_BAR) + 64;
-
-	probe_ent->n_ports = 2;
-	probe_ent->irq = pdev->irq;
-	probe_ent->irq_flags = SA_SHIRQ;
+	}
 
 	pci_set_master(pdev);
 	pci_enable_intx(pdev);

drivers/scsi/sata_svw.c

@@ -148,6 +148,72 @@ static void k2_sata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
         }
 }
 
+/**
+ *	k2_bmdma_setup_mmio - Set up PCI IDE BMDMA transaction (MMIO)
+ *	@qc: Info associated with this ATA transaction.
+ *
+ *	LOCKING:
+ *	spin_lock_irqsave(host_set lock)
+ */
+
+void k2_bmdma_setup_mmio (struct ata_queued_cmd *qc)
+{
+	struct ata_port *ap = qc->ap;
+	unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);
+	u8 dmactl;
+	void *mmio = (void *) ap->ioaddr.bmdma_addr;
+	/* load PRD table addr. */
+	mb();	/* make sure PRD table writes are visible to controller */
+	writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS);
+
+	/* specify data direction, triple-check start bit is clear */
+	dmactl = readb(mmio + ATA_DMA_CMD);
+	dmactl &= ~(ATA_DMA_WR | ATA_DMA_START);
+	if (!rw)
+		dmactl |= ATA_DMA_WR;
+	writeb(dmactl, mmio + ATA_DMA_CMD);
+
+	/* issue r/w command if this is not a ATA DMA command*/
+	if (qc->tf.protocol != ATA_PROT_DMA)
+		ap->ops->exec_command(ap, &qc->tf);
+}
+
+/**
+ *	k2_bmdma_start_mmio - Start a PCI IDE BMDMA transaction (MMIO)
+ *	@qc: Info associated with this ATA transaction.
+ *
+ *	LOCKING:
+ *	spin_lock_irqsave(host_set lock)
+ */
+
+void k2_bmdma_start_mmio (struct ata_queued_cmd *qc)
+{
+	struct ata_port *ap = qc->ap;
+	void *mmio = (void *) ap->ioaddr.bmdma_addr;
+	u8 dmactl;
+
+	/* start host DMA transaction */
+	dmactl = readb(mmio + ATA_DMA_CMD);
+	writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD);
+	/* There is a race condition in certain SATA controllers that can 
+	   be seen when the r/w command is given to the controller before the 
+	   host DMA is started. On a Read command, the controller would initiate
+	   the command to the drive even before it sees the DMA start. When there
+	   are very fast drives connected to the controller, or when the data request 
+	   hits in the drive cache, there is the possibility that the drive returns a part
+	   or all of the requested data to the controller before the DMA start is issued.
+	   In this case, the controller would become confused as to what to do with the data.
+	   In the worst case when all the data is returned back to the controller, the
+	   controller could hang. In other cases it could return partial data returning
+	   in data corruption. This problem has been seen in PPC systems and can also appear
+	   on an system with very fast disks, where the SATA controller is sitting behind a 
+	   number of bridges, and hence there is significant latency between the r/w command
+	   and the start command. */
+	/* issue r/w command if the access is to ATA*/
+	if (qc->tf.protocol == ATA_PROT_DMA)
+		ap->ops->exec_command(ap, &qc->tf);
+}
+
 									      
 static u8 k2_stat_check_status(struct ata_port *ap)
 {
@@ -230,10 +296,10 @@ static struct ata_port_operations k2_sata_ops = {
 	.tf_load		= k2_sata_tf_load,
 	.tf_read		= k2_sata_tf_read,
 	.check_status		= k2_stat_check_status,
-	.exec_command		= ata_exec_command_mmio,
+	.exec_command		= ata_exec_command,
 	.phy_reset		= sata_phy_reset,
-	.bmdma_setup            = ata_bmdma_setup_mmio,
-	.bmdma_start            = ata_bmdma_start_mmio,
+	.bmdma_setup		= k2_bmdma_setup_mmio,
+	.bmdma_start		= k2_bmdma_start_mmio,
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
 	.eng_timeout		= ata_eng_timeout,
@@ -373,6 +439,8 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 
 static struct pci_device_id k2_sata_pci_tbl[] = {
 	{ 0x1166, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+	{ 0x1166, 0x0241, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+	{ 0x1166, 0x0242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
 	{ }
 };
 

drivers/scsi/sata_sx4.c

@@ -193,8 +193,8 @@ static Scsi_Host_Template pdc_sata_sht = {
 static struct ata_port_operations pdc_20621_ops = {
 	.port_disable		= ata_port_disable,
 	.tf_load		= pdc_tf_load_mmio,
-	.tf_read		= ata_tf_read_mmio,
-	.check_status		= ata_check_status_mmio,
+	.tf_read		= ata_tf_read,
+	.check_status		= ata_check_status,
 	.exec_command		= pdc_exec_command_mmio,
 	.phy_reset		= pdc_20621_phy_reset,
 	.qc_prep		= pdc20621_qc_prep,
@@ -887,7 +887,7 @@ static void pdc_tf_load_mmio(struct ata_port *ap, struct ata_taskfile *tf)
 {
 	WARN_ON (tf->protocol == ATA_PROT_DMA ||
 		 tf->protocol == ATA_PROT_NODATA);
-	ata_tf_load_mmio(ap, tf);
+	ata_tf_load(ap, tf);
 }
 
 
@@ -895,7 +895,7 @@ static void pdc_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf)
 {
 	WARN_ON (tf->protocol == ATA_PROT_DMA ||
 		 tf->protocol == ATA_PROT_NODATA);
-	ata_exec_command_mmio(ap, tf);
+	ata_exec_command(ap, tf);
 }
 
 

drivers/scsi/sata_via.c

@@ -100,15 +100,15 @@ static Scsi_Host_Template svia_sht = {
 static struct ata_port_operations svia_sata_ops = {
 	.port_disable		= ata_port_disable,
 
-	.tf_load		= ata_tf_load_pio,
-	.tf_read		= ata_tf_read_pio,
-	.check_status		= ata_check_status_pio,
-	.exec_command		= ata_exec_command_pio,
+	.tf_load		= ata_tf_load,
+	.tf_read		= ata_tf_read,
+	.check_status		= ata_check_status,
+	.exec_command		= ata_exec_command,
 
 	.phy_reset		= sata_phy_reset,
 
-	.bmdma_setup            = ata_bmdma_setup_pio,
-	.bmdma_start            = ata_bmdma_start_pio,
+	.bmdma_setup            = ata_bmdma_setup,
+	.bmdma_start            = ata_bmdma_start,
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
 
@@ -124,6 +124,15 @@ static struct ata_port_operations svia_sata_ops = {
 	.port_stop		= ata_port_stop,
 };
 
+static struct ata_port_info svia_port_info = {
+	.sht		= &svia_sht,
+	.host_flags	= ATA_FLAG_SATA | ATA_FLAG_SRST | ATA_FLAG_NO_LEGACY,
+	.pio_mask	= 0x1f,
+	.mwdma_mask	= 0x07,
+	.udma_mask	= 0x7f,
+	.port_ops	= &svia_sata_ops,
+};
+
 MODULE_AUTHOR("Jeff Garzik");
 MODULE_DESCRIPTION("SCSI low-level driver for VIA SATA controllers");
 MODULE_LICENSE("GPL");
@@ -157,6 +166,7 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	static int printed_version;
 	unsigned int i;
 	int rc;
+	struct ata_port_info *ppi;
 	struct ata_probe_ent *probe_ent;
 	u8 tmp8;
 
@@ -197,42 +207,17 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc)
 		goto err_out_regions;
 
-	probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
+	ppi = &svia_port_info;
+	probe_ent = ata_pci_init_native_mode(pdev, &ppi);
 	if (!probe_ent) {
 		printk(KERN_ERR DRV_NAME "(%s): out of memory\n",
 		       pci_name(pdev));
 		rc = -ENOMEM;
 		goto err_out_regions;
 	}
-	memset(probe_ent, 0, sizeof(*probe_ent));
-	INIT_LIST_HEAD(&probe_ent->node);
-	probe_ent->pdev = pdev;
-	probe_ent->sht = &svia_sht;
-	probe_ent->host_flags = ATA_FLAG_SATA | ATA_FLAG_SRST |
-				ATA_FLAG_NO_LEGACY;
-	probe_ent->port_ops = &svia_sata_ops;
-	probe_ent->n_ports = 2;
-	probe_ent->irq = pdev->irq;
-	probe_ent->irq_flags = SA_SHIRQ;
-	probe_ent->pio_mask = 0x1f;
-	probe_ent->mwdma_mask = 0x07;
-	probe_ent->udma_mask = 0x7f;
-
-	probe_ent->port[0].cmd_addr = pci_resource_start(pdev, 0);
-	ata_std_ports(&probe_ent->port[0]);
-	probe_ent->port[0].altstatus_addr =
-	probe_ent->port[0].ctl_addr =
-		pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS;
-	probe_ent->port[0].bmdma_addr = pci_resource_start(pdev, 4);
+
 	probe_ent->port[0].scr_addr =
 		svia_scr_addr(pci_resource_start(pdev, 5), 0);
-
-	probe_ent->port[1].cmd_addr = pci_resource_start(pdev, 2);
-	ata_std_ports(&probe_ent->port[1]);
-	probe_ent->port[1].altstatus_addr =
-	probe_ent->port[1].ctl_addr =
-		pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS;
-	probe_ent->port[1].bmdma_addr = pci_resource_start(pdev, 4) + 8;
 	probe_ent->port[1].scr_addr =
 		svia_scr_addr(pci_resource_start(pdev, 5), 1);
 

drivers/scsi/sata_vsc.c

@@ -211,11 +211,11 @@ static struct ata_port_operations vsc_sata_ops = {
 	.port_disable		= ata_port_disable,
 	.tf_load		= vsc_sata_tf_load,
 	.tf_read		= vsc_sata_tf_read,
-	.exec_command		= ata_exec_command_mmio,
-	.check_status		= ata_check_status_mmio,
+	.exec_command		= ata_exec_command,
+	.check_status		= ata_check_status,
 	.phy_reset		= sata_phy_reset,
-	.bmdma_setup            = ata_bmdma_setup_mmio,
-	.bmdma_start            = ata_bmdma_start_mmio,
+	.bmdma_setup            = ata_bmdma_setup,
+	.bmdma_start            = ata_bmdma_start,
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
 	.eng_timeout		= ata_eng_timeout,

include/linux/libata.h

@@ -379,19 +379,19 @@ extern unsigned int ata_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc
 /*
  * Default driver ops implementations
  */
-extern void ata_tf_load_pio(struct ata_port *ap, struct ata_taskfile *tf);
-extern void ata_tf_load_mmio(struct ata_port *ap, struct ata_taskfile *tf);
-extern void ata_tf_read_pio(struct ata_port *ap, struct ata_taskfile *tf);
-extern void ata_tf_read_mmio(struct ata_port *ap, struct ata_taskfile *tf);
+extern void ata_tf_load(struct ata_port *ap, struct ata_taskfile *tf);
+extern void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
 extern void ata_tf_to_fis(struct ata_taskfile *tf, u8 *fis, u8 pmp);
 extern void ata_tf_from_fis(u8 *fis, struct ata_taskfile *tf);
-extern u8 ata_check_status_pio(struct ata_port *ap);
-extern u8 ata_check_status_mmio(struct ata_port *ap);
-extern void ata_exec_command_pio(struct ata_port *ap, struct ata_taskfile *tf);
-extern void ata_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf);
+extern u8 ata_check_status(struct ata_port *ap);
+extern void ata_exec_command(struct ata_port *ap, struct ata_taskfile *tf);
 extern int ata_port_start (struct ata_port *ap);
 extern void ata_port_stop (struct ata_port *ap);
 extern irqreturn_t ata_interrupt (int irq, void *dev_instance, struct pt_regs *regs);
+extern struct ata_probe_ent *
+ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port);
+extern struct ata_probe_ent *
+ata_pci_init_legacy_mode(struct pci_dev *pdev, struct ata_port_info **port);
 extern void ata_qc_prep(struct ata_queued_cmd *qc);
 extern int ata_qc_issue_prot(struct ata_queued_cmd *qc);
 extern void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf,
@@ -400,10 +400,8 @@ extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
 		 unsigned int n_elem);
 extern void ata_dev_id_string(struct ata_device *dev, unsigned char *s,
 			      unsigned int ofs, unsigned int len);
-extern void ata_bmdma_setup_mmio (struct ata_queued_cmd *qc);
-extern void ata_bmdma_start_mmio (struct ata_queued_cmd *qc);
-extern void ata_bmdma_setup_pio (struct ata_queued_cmd *qc);
-extern void ata_bmdma_start_pio (struct ata_queued_cmd *qc);
+extern void ata_bmdma_setup (struct ata_queued_cmd *qc);
+extern void ata_bmdma_start (struct ata_queued_cmd *qc);
 extern void ata_bmdma_irq_clear(struct ata_port *ap);
 extern int pci_test_config_bits(struct pci_dev *pdev, struct pci_bits *bits);
 extern void ata_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat);