[libata] Move PCI IDE BMDMA-related code to new file libata-bmdma.c.

1 files changed, 20 insertions, 673 deletions

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 14cdbb336dd5..22db73932253 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -83,403 +83,6 @@ MODULE_DESCRIPTION("Library module for ATA devices");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 
-/**
- *      ata_tf_load_pio - send taskfile registers to host controller
- *      @ap: Port to which output is sent
- *      @tf: ATA taskfile register set
- *
- *      Outputs ATA taskfile to standard ATA host controller.
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-
-static void ata_tf_load_pio(struct ata_port *ap, const struct ata_taskfile *tf)
-{
-        struct ata_ioports *ioaddr = &ap->ioaddr;
-        unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
-
-        if (tf->ctl != ap->last_ctl) {
-                outb(tf->ctl, ioaddr->ctl_addr);
-                ap->last_ctl = tf->ctl;
-                ata_wait_idle(ap);
-        }
-
-        if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
-                outb(tf->hob_feature, ioaddr->feature_addr);
-                outb(tf->hob_nsect, ioaddr->nsect_addr);
-                outb(tf->hob_lbal, ioaddr->lbal_addr);
-                outb(tf->hob_lbam, ioaddr->lbam_addr);
-                outb(tf->hob_lbah, ioaddr->lbah_addr);
-                VPRINTK("hob: feat 0x%X nsect 0x%X, lba 0x%X 0x%X 0x%X\n",
-                        tf->hob_feature,
-                        tf->hob_nsect,
-                        tf->hob_lbal,
-                        tf->hob_lbam,
-                        tf->hob_lbah);
-        }
-
-        if (is_addr) {
-                outb(tf->feature, ioaddr->feature_addr);
-                outb(tf->nsect, ioaddr->nsect_addr);
-                outb(tf->lbal, ioaddr->lbal_addr);
-                outb(tf->lbam, ioaddr->lbam_addr);
-                outb(tf->lbah, ioaddr->lbah_addr);
-                VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
-                        tf->feature,
-                        tf->nsect,
-                        tf->lbal,
-                        tf->lbam,
-                        tf->lbah);
-        }
-
-        if (tf->flags & ATA_TFLAG_DEVICE) {
-                outb(tf->device, ioaddr->device_addr);
-                VPRINTK("device 0x%X\n", tf->device);
-        }
-
-        ata_wait_idle(ap);
-}
-
-/**
- *      ata_tf_load_mmio - send taskfile registers to host controller
- *      @ap: Port to which output is sent
- *      @tf: ATA taskfile register set
- *
- *      Outputs ATA taskfile to standard ATA host controller using MMIO.
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-
-static void ata_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
-{
-        struct ata_ioports *ioaddr = &ap->ioaddr;
-        unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
-
-        if (tf->ctl != ap->last_ctl) {
-                writeb(tf->ctl, (void __iomem *) ap->ioaddr.ctl_addr);
-                ap->last_ctl = tf->ctl;
-                ata_wait_idle(ap);
-        }
-
-        if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
-                writeb(tf->hob_feature, (void __iomem *) ioaddr->feature_addr);
-                writeb(tf->hob_nsect, (void __iomem *) ioaddr->nsect_addr);
-                writeb(tf->hob_lbal, (void __iomem *) ioaddr->lbal_addr);
-                writeb(tf->hob_lbam, (void __iomem *) ioaddr->lbam_addr);
-                writeb(tf->hob_lbah, (void __iomem *) ioaddr->lbah_addr);
-                VPRINTK("hob: feat 0x%X nsect 0x%X, lba 0x%X 0x%X 0x%X\n",
-                        tf->hob_feature,
-                        tf->hob_nsect,
-                        tf->hob_lbal,
-                        tf->hob_lbam,
-                        tf->hob_lbah);
-        }
-
-        if (is_addr) {
-                writeb(tf->feature, (void __iomem *) ioaddr->feature_addr);
-                writeb(tf->nsect, (void __iomem *) ioaddr->nsect_addr);
-                writeb(tf->lbal, (void __iomem *) ioaddr->lbal_addr);
-                writeb(tf->lbam, (void __iomem *) ioaddr->lbam_addr);
-                writeb(tf->lbah, (void __iomem *) ioaddr->lbah_addr);
-                VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
-                        tf->feature,
-                        tf->nsect,
-                        tf->lbal,
-                        tf->lbam,
-                        tf->lbah);
-        }
-
-        if (tf->flags & ATA_TFLAG_DEVICE) {
-                writeb(tf->device, (void __iomem *) ioaddr->device_addr);
-                VPRINTK("device 0x%X\n", tf->device);
-        }
-
-        ata_wait_idle(ap);
-}
-
-
-/**
- *      ata_tf_load - send taskfile registers to host controller
- *      @ap: Port to which output is sent
- *      @tf: ATA taskfile register set
- *
- *      Outputs ATA taskfile to standard ATA host controller using MMIO
- *      or PIO as indicated by the ATA_FLAG_MMIO flag.
- *      Writes the control, feature, nsect, lbal, lbam, and lbah registers.
- *      Optionally (ATA_TFLAG_LBA48) writes hob_feature, hob_nsect,
- *      hob_lbal, hob_lbam, and hob_lbah.
- *
- *      This function waits for idle (!BUSY and !DRQ) after writing
- *      registers.  If the control register has a new value, this
- *      function also waits for idle after writing control and before
- *      writing the remaining registers.
- *
- *      May be used as the tf_load() entry in ata_port_operations.
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
-{
-        if (ap->flags & ATA_FLAG_MMIO)
-                ata_tf_load_mmio(ap, tf);
-        else
-                ata_tf_load_pio(ap, tf);
-}
-
-/**
- *      ata_exec_command_pio - issue ATA command to host controller
- *      @ap: port to which command is being issued
- *      @tf: ATA taskfile register set
- *
- *      Issues PIO write to ATA command register, with proper
- *      synchronization with interrupt handler / other threads.
- *
- *      LOCKING:
- *      spin_lock_irqsave(host_set lock)
- */
-
-static void ata_exec_command_pio(struct ata_port *ap, const struct ata_taskfile *tf)
-{
-        DPRINTK("ata%u: cmd 0x%X\n", ap->id, tf->command);
-
-        outb(tf->command, ap->ioaddr.command_addr);
-        ata_pause(ap);
-}
-
-
-/**
- *      ata_exec_command_mmio - issue ATA command to host controller
- *      @ap: port to which command is being issued
- *      @tf: ATA taskfile register set
- *
- *      Issues MMIO write to ATA command register, with proper
- *      synchronization with interrupt handler / other threads.
- *
- *      LOCKING:
- *      spin_lock_irqsave(host_set lock)
- */
-
-static void ata_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
-{
-        DPRINTK("ata%u: cmd 0x%X\n", ap->id, tf->command);
-
-        writeb(tf->command, (void __iomem *) ap->ioaddr.command_addr);
-        ata_pause(ap);
-}
-
-
-/**
- *      ata_exec_command - issue ATA command to host controller
- *      @ap: port to which command is being issued
- *      @tf: ATA taskfile register set
- *
- *      Issues PIO/MMIO write to ATA command register, with proper
- *      synchronization with interrupt handler / other threads.
- *
- *      LOCKING:
- *      spin_lock_irqsave(host_set lock)
- */
-void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf)
-{
-        if (ap->flags & ATA_FLAG_MMIO)
-                ata_exec_command_mmio(ap, tf);
-        else
-                ata_exec_command_pio(ap, tf);
-}
-
-/**
- *      ata_tf_to_host - issue ATA taskfile to host controller
- *      @ap: port to which command is being issued
- *      @tf: ATA taskfile register set
- *
- *      Issues ATA taskfile register set to ATA host controller,
- *      with proper synchronization with interrupt handler and
- *      other threads.
- *
- *      LOCKING:
- *      spin_lock_irqsave(host_set lock)
- */
-
-static inline void ata_tf_to_host(struct ata_port *ap,
-                                  const struct ata_taskfile *tf)
-{
-        ap->ops->tf_load(ap, tf);
-        ap->ops->exec_command(ap, tf);
-}
-
-/**
- *      ata_tf_read_pio - input device's ATA taskfile shadow registers
- *      @ap: Port from which input is read
- *      @tf: ATA taskfile register set for storing input
- *
- *      Reads ATA taskfile registers for currently-selected device
- *      into @tf.
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-
-static void ata_tf_read_pio(struct ata_port *ap, struct ata_taskfile *tf)
-{
-        struct ata_ioports *ioaddr = &ap->ioaddr;
-
-        tf->command = ata_check_status(ap);
-        tf->feature = inb(ioaddr->error_addr);
-        tf->nsect = inb(ioaddr->nsect_addr);
-        tf->lbal = inb(ioaddr->lbal_addr);
-        tf->lbam = inb(ioaddr->lbam_addr);
-        tf->lbah = inb(ioaddr->lbah_addr);
-        tf->device = inb(ioaddr->device_addr);
-
-        if (tf->flags & ATA_TFLAG_LBA48) {
-                outb(tf->ctl | ATA_HOB, ioaddr->ctl_addr);
-                tf->hob_feature = inb(ioaddr->error_addr);
-                tf->hob_nsect = inb(ioaddr->nsect_addr);
-                tf->hob_lbal = inb(ioaddr->lbal_addr);
-                tf->hob_lbam = inb(ioaddr->lbam_addr);
-                tf->hob_lbah = inb(ioaddr->lbah_addr);
-        }
-}
-
-/**
- *      ata_tf_read_mmio - input device's ATA taskfile shadow registers
- *      @ap: Port from which input is read
- *      @tf: ATA taskfile register set for storing input
- *
- *      Reads ATA taskfile registers for currently-selected device
- *      into @tf via MMIO.
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-
-static void ata_tf_read_mmio(struct ata_port *ap, struct ata_taskfile *tf)
-{
-        struct ata_ioports *ioaddr = &ap->ioaddr;
-
-        tf->command = ata_check_status(ap);
-        tf->feature = readb((void __iomem *)ioaddr->error_addr);
-        tf->nsect = readb((void __iomem *)ioaddr->nsect_addr);
-        tf->lbal = readb((void __iomem *)ioaddr->lbal_addr);
-        tf->lbam = readb((void __iomem *)ioaddr->lbam_addr);
-        tf->lbah = readb((void __iomem *)ioaddr->lbah_addr);
-        tf->device = readb((void __iomem *)ioaddr->device_addr);
-
-        if (tf->flags & ATA_TFLAG_LBA48) {
-                writeb(tf->ctl | ATA_HOB, (void __iomem *) ap->ioaddr.ctl_addr);
-                tf->hob_feature = readb((void __iomem *)ioaddr->error_addr);
-                tf->hob_nsect = readb((void __iomem *)ioaddr->nsect_addr);
-                tf->hob_lbal = readb((void __iomem *)ioaddr->lbal_addr);
-                tf->hob_lbam = readb((void __iomem *)ioaddr->lbam_addr);
-                tf->hob_lbah = readb((void __iomem *)ioaddr->lbah_addr);
-        }
-}
-
-
-/**
- *      ata_tf_read - input device's ATA taskfile shadow registers
- *      @ap: Port from which input is read
- *      @tf: ATA taskfile register set for storing input
- *
- *      Reads ATA taskfile registers for currently-selected device
- *      into @tf.
- *
- *      Reads nsect, lbal, lbam, lbah, and device.  If ATA_TFLAG_LBA48
- *      is set, also reads the hob registers.
- *
- *      May be used as the tf_read() entry in ata_port_operations.
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
-{
-        if (ap->flags & ATA_FLAG_MMIO)
-                ata_tf_read_mmio(ap, tf);
-        else
-                ata_tf_read_pio(ap, tf);
-}
-
-/**
- *      ata_check_status_pio - Read device status reg & clear interrupt
- *      @ap: port where the device is
- *
- *      Reads ATA taskfile status register for currently-selected device
- *      and return its value. This also clears pending interrupts
- *      from this device
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-static u8 ata_check_status_pio(struct ata_port *ap)
-{
-        return inb(ap->ioaddr.status_addr);
-}
-
-/**
- *      ata_check_status_mmio - Read device status reg & clear interrupt
- *      @ap: port where the device is
- *
- *      Reads ATA taskfile status register for currently-selected device
- *      via MMIO and return its value. This also clears pending interrupts
- *      from this device
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-static u8 ata_check_status_mmio(struct ata_port *ap)
-{
-        return readb((void __iomem *) ap->ioaddr.status_addr);
-}
-
-
-/**
- *      ata_check_status - Read device status reg & clear interrupt
- *      @ap: port where the device is
- *
- *      Reads ATA taskfile status register for currently-selected device
- *      and return its value. This also clears pending interrupts
- *      from this device
- *
- *      May be used as the check_status() entry in ata_port_operations.
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-u8 ata_check_status(struct ata_port *ap)
-{
-        if (ap->flags & ATA_FLAG_MMIO)
-                return ata_check_status_mmio(ap);
-        return ata_check_status_pio(ap);
-}
-
-
-/**
- *      ata_altstatus - Read device alternate status reg
- *      @ap: port where the device is
- *
- *      Reads ATA taskfile alternate status register for
- *      currently-selected device and return its value.
- *
- *      Note: may NOT be used as the check_altstatus() entry in
- *      ata_port_operations.
- *
- *      LOCKING:
- *      Inherited from caller.
- */
-u8 ata_altstatus(struct ata_port *ap)
-{
-        if (ap->ops->check_altstatus)
-                return ap->ops->check_altstatus(ap);
-
-        if (ap->flags & ATA_FLAG_MMIO)
-                return readb((void __iomem *)ap->ioaddr.altstatus_addr);
-        return inb(ap->ioaddr.altstatus_addr);
-}
-
 
 /**
  *      ata_tf_to_fis - Convert ATA taskfile to SATA FIS structure
@@ -2009,6 +1612,26 @@ err_out:
 }
 
 /**
+ *      ata_tf_to_host - issue ATA taskfile to host controller
+ *      @ap: port to which command is being issued
+ *      @tf: ATA taskfile register set
+ *
+ *      Issues ATA taskfile register set to ATA host controller,
+ *      with proper synchronization with interrupt handler and
+ *      other threads.
+ *
+ *      LOCKING:
+ *      spin_lock_irqsave(host_set lock)
+ */
+
+static inline void ata_tf_to_host(struct ata_port *ap,
+                                  const struct ata_taskfile *tf)
+{
+        ap->ops->tf_load(ap, tf);
+        ap->ops->exec_command(ap, tf);
+}
+
+/**
  *      ata_busy_sleep - sleep until BSY clears, or timeout
  *      @ap: port containing status register to be polled
  *      @tmout_pat: impatience timeout
@@ -5106,32 +4729,6 @@ void ata_std_ports(struct ata_ioports *ioaddr)
         ioaddr->command_addr = ioaddr->cmd_addr + ATA_REG_CMD;
 }
 
-static struct ata_probe_ent *
-ata_probe_ent_alloc(struct device *dev, const struct ata_port_info *port)
-{
-        struct ata_probe_ent *probe_ent;
-
-        probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
-        if (!probe_ent) {
-                printk(KERN_ERR DRV_NAME "(%s): out of memory\n",
-                       kobject_name(&(dev->kobj)));
-                return NULL;
-        }
-
-        INIT_LIST_HEAD(&probe_ent->node);
-        probe_ent->dev = dev;
-
-        probe_ent->sht = port->sht;
-        probe_ent->host_flags = port->host_flags;
-        probe_ent->pio_mask = port->pio_mask;
-        probe_ent->mwdma_mask = port->mwdma_mask;
-        probe_ent->udma_mask = port->udma_mask;
-        probe_ent->port_ops = port->port_ops;
-
-        return probe_ent;
-}
-
-
 
 #ifdef CONFIG_PCI
 
@@ -5143,256 +4740,6 @@ void ata_pci_host_stop (struct ata_host_set *host_set)
 }
 
 /**
- *      ata_pci_init_native_mode - Initialize native-mode driver
- *      @pdev:  pci device to be initialized
- *      @port:  array[2] of pointers to port info structures.
- *      @ports: bitmap of ports present
- *
- *      Utility function which allocates and initializes an
- *      ata_probe_ent structure for a standard dual-port
- *      PIO-based IDE controller.  The returned ata_probe_ent
- *      structure can be passed to ata_device_add().  The returned
- *      ata_probe_ent structure should then be freed with kfree().
- *
- *      The caller need only pass the address of the primary port, the
- *      secondary will be deduced automatically. If the device has non
- *      standard secondary port mappings this function can be called twice,
- *      once for each interface.
- */
-
-struct ata_probe_ent *
-ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int ports)
-{
-        struct ata_probe_ent *probe_ent =
-                ata_probe_ent_alloc(pci_dev_to_dev(pdev), port[0]);
-        int p = 0;
-
-        if (!probe_ent)
-                return NULL;
-
-        probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
-        probe_ent->private_data = port[0]->private_data;
-
-        if (ports & ATA_PORT_PRIMARY) {
-                probe_ent->port[p].cmd_addr = pci_resource_start(pdev, 0);
-                probe_ent->port[p].altstatus_addr =
-                probe_ent->port[p].ctl_addr =
-                        pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS;
-                probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4);
-                ata_std_ports(&probe_ent->port[p]);
-                p++;
-        }
-
-        if (ports & ATA_PORT_SECONDARY) {
-                probe_ent->port[p].cmd_addr = pci_resource_start(pdev, 2);
-                probe_ent->port[p].altstatus_addr =
-                probe_ent->port[p].ctl_addr =
-                        pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS;
-                probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4) + 8;
-                ata_std_ports(&probe_ent->port[p]);
-                p++;
-        }
-
-        probe_ent->n_ports = p;
-        return probe_ent;
-}
-
-static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, struct ata_port_info *port, int port_num)
-{
-        struct ata_probe_ent *probe_ent;
-
-        probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port);
-        if (!probe_ent)
-                return NULL;
-
-        probe_ent->legacy_mode = 1;
-        probe_ent->n_ports = 1;
-        probe_ent->hard_port_no = port_num;
-        probe_ent->private_data = port->private_data;
-
-        switch(port_num)
-        {
-                case 0:
-                        probe_ent->irq = 14;
-                        probe_ent->port[0].cmd_addr = 0x1f0;
-                        probe_ent->port[0].altstatus_addr =
-                        probe_ent->port[0].ctl_addr = 0x3f6;
-                        break;
-                case 1:
-                        probe_ent->irq = 15;
-                        probe_ent->port[0].cmd_addr = 0x170;
-                        probe_ent->port[0].altstatus_addr =
-                        probe_ent->port[0].ctl_addr = 0x376;
-                        break;
-        }
-        probe_ent->port[0].bmdma_addr = pci_resource_start(pdev, 4) + 8 * port_num;
-        ata_std_ports(&probe_ent->port[0]);
-        return probe_ent;
-}
-
-/**
- *      ata_pci_init_one - Initialize/register PCI IDE host controller
- *      @pdev: Controller to be initialized
- *      @port_info: Information from low-level host driver
- *      @n_ports: Number of ports attached to host controller
- *
- *      This is a helper function which can be called from a driver's
- *      xxx_init_one() probe function if the hardware uses traditional
- *      IDE taskfile registers.
- *
- *      This function calls pci_enable_device(), reserves its register
- *      regions, sets the dma mask, enables bus master mode, and calls
- *      ata_device_add()
- *
- *      LOCKING:
- *      Inherited from PCI layer (may sleep).
- *
- *      RETURNS:
- *      Zero on success, negative on errno-based value on error.
- */
-
-int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info,
-                      unsigned int n_ports)
-{
-        struct ata_probe_ent *probe_ent = NULL, *probe_ent2 = NULL;
-        struct ata_port_info *port[2];
-        u8 tmp8, mask;
-        unsigned int legacy_mode = 0;
-        int disable_dev_on_err = 1;
-        int rc;
-
-        DPRINTK("ENTER\n");
-
-        port[0] = port_info[0];
-        if (n_ports > 1)
-                port[1] = port_info[1];
-        else
-                port[1] = port[0];
-
-        if ((port[0]->host_flags & ATA_FLAG_NO_LEGACY) == 0
-            && (pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
-                /* TODO: What if one channel is in native mode ... */
-                pci_read_config_byte(pdev, PCI_CLASS_PROG, &tmp8);
-                mask = (1 << 2) | (1 << 0);
-                if ((tmp8 & mask) != mask)
-                        legacy_mode = (1 << 3);
-        }
-
-        /* FIXME... */
-        if ((!legacy_mode) && (n_ports > 2)) {
-                printk(KERN_ERR "ata: BUG: native mode, n_ports > 2\n");
-                n_ports = 2;
-                /* For now */
-        }
-
-        /* FIXME: Really for ATA it isn't safe because the device may be
-           multi-purpose and we want to leave it alone if it was already
-           enabled. Secondly for shared use as Arjan says we want refcounting
-           
-           Checking dev->is_enabled is insufficient as this is not set at
-           boot for the primary video which is BIOS enabled
-         */
-         
-        rc = pci_enable_device(pdev);
-        if (rc)
-                return rc;
-
-        rc = pci_request_regions(pdev, DRV_NAME);
-        if (rc) {
-                disable_dev_on_err = 0;
-                goto err_out;
-        }
-
-        /* FIXME: Should use platform specific mappers for legacy port ranges */
-        if (legacy_mode) {
-                if (!request_region(0x1f0, 8, "libata")) {
-                        struct resource *conflict, res;
-                        res.start = 0x1f0;
-                        res.end = 0x1f0 + 8 - 1;
-                        conflict = ____request_resource(&ioport_resource, &res);
-                        if (!strcmp(conflict->name, "libata"))
-                                legacy_mode |= (1 << 0);
-                        else {
-                                disable_dev_on_err = 0;
-                                printk(KERN_WARNING "ata: 0x1f0 IDE port busy\n");
-                        }
-                } else
-                        legacy_mode |= (1 << 0);
-
-                if (!request_region(0x170, 8, "libata")) {
-                        struct resource *conflict, res;
-                        res.start = 0x170;
-                        res.end = 0x170 + 8 - 1;
-                        conflict = ____request_resource(&ioport_resource, &res);
-                        if (!strcmp(conflict->name, "libata"))
-                                legacy_mode |= (1 << 1);
-                        else {
-                                disable_dev_on_err = 0;
-                                printk(KERN_WARNING "ata: 0x170 IDE port busy\n");
-                        }
-                } else
-                        legacy_mode |= (1 << 1);
-        }
-
-        /* we have legacy mode, but all ports are unavailable */
-        if (legacy_mode == (1 << 3)) {
-                rc = -EBUSY;
-                goto err_out_regions;
-        }
-
-        rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
-        if (rc)
-                goto err_out_regions;
-        rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
-        if (rc)
-                goto err_out_regions;
-
-        if (legacy_mode) {
-                if (legacy_mode & (1 << 0))
-                        probe_ent = ata_pci_init_legacy_port(pdev, port[0], 0);
-                if (legacy_mode & (1 << 1))
-                        probe_ent2 = ata_pci_init_legacy_port(pdev, port[1], 1);
-        } else {
-                if (n_ports == 2)
-                        probe_ent = ata_pci_init_native_mode(pdev, port, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY);
-                else
-                        probe_ent = ata_pci_init_native_mode(pdev, port, ATA_PORT_PRIMARY);
-        }
-        if (!probe_ent && !probe_ent2) {
-                rc = -ENOMEM;
-                goto err_out_regions;
-        }
-
-        pci_set_master(pdev);
-
-        /* FIXME: check ata_device_add return */
-        if (legacy_mode) {
-                if (legacy_mode & (1 << 0))
-                        ata_device_add(probe_ent);
-                if (legacy_mode & (1 << 1))
-                        ata_device_add(probe_ent2);
-        } else
-                ata_device_add(probe_ent);
-
-        kfree(probe_ent);
-        kfree(probe_ent2);
-
-        return 0;
-
-err_out_regions:
-        if (legacy_mode & (1 << 0))
-                release_region(0x1f0, 8);
-        if (legacy_mode & (1 << 1))
-                release_region(0x170, 8);
-        pci_release_regions(pdev);
-err_out:
-        if (disable_dev_on_err)
-                pci_disable_device(pdev);
-        return rc;
-}
-
-/**
  *      ata_pci_remove_one - PCI layer callback for device removal
  *      @pdev: PCI device that was removed
  *