1 files changed, 50 insertions, 6 deletions

diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index e1b0c9a9ab9c..fec4955f449b 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -63,6 +63,48 @@ static u8 superio_ide_inb (unsigned long port)
         return inb(port);
 }
 
+static void superio_tf_read(ide_drive_t *drive, ide_task_t *task)
+{
+        struct ide_io_ports *io_ports = &drive->hwif->io_ports;
+        struct ide_taskfile *tf = &task->tf;
+
+        if (task->tf_flags & IDE_TFLAG_IN_DATA) {
+                u16 data = inw(io_ports->data_addr);
+
+                tf->data = data & 0xff;
+                tf->hob_data = (data >> 8) & 0xff;
+        }
+
+        /* be sure we're looking at the low order bits */
+        outb(drive->ctl & ~0x80, io_ports->ctl_addr);
+
+        if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+                tf->nsect  = inb(io_ports->nsect_addr);
+        if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+                tf->lbal   = inb(io_ports->lbal_addr);
+        if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+                tf->lbam   = inb(io_ports->lbam_addr);
+        if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+                tf->lbah   = inb(io_ports->lbah_addr);
+        if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+                tf->device = superio_ide_inb(io_ports->device_addr);
+
+        if (task->tf_flags & IDE_TFLAG_LBA48) {
+                outb(drive->ctl | 0x80, io_ports->ctl_addr);
+
+                if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
+                        tf->hob_feature = inb(io_ports->feature_addr);
+                if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+                        tf->hob_nsect   = inb(io_ports->nsect_addr);
+                if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+                        tf->hob_lbal    = inb(io_ports->lbal_addr);
+                if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+                        tf->hob_lbam    = inb(io_ports->lbam_addr);
+                if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+                        tf->hob_lbah    = inb(io_ports->lbah_addr);
+        }
+}
+
 static void __devinit superio_ide_init_iops (struct hwif_s *hwif)
 {
         struct pci_dev *pdev = to_pci_dev(hwif->dev);
@@ -72,14 +114,16 @@ static void __devinit superio_ide_init_iops (struct hwif_s *hwif)
         base = pci_resource_start(pdev, port * 2) & ~3;
         dmabase = pci_resource_start(pdev, 4) & ~3;
 
-        superio_ide_status[port] = base + IDE_STATUS_OFFSET;
-        superio_ide_select[port] = base + IDE_SELECT_OFFSET;
+        superio_ide_status[port] = base + 7;
+        superio_ide_select[port] = base + 6;
         superio_ide_dma_status[port] = dmabase + (!port ? 2 : 0xa);
 
         /* Clear error/interrupt, enable dma */
         tmp = superio_ide_inb(superio_ide_dma_status[port]);
         outb(tmp | 0x66, superio_ide_dma_status[port]);
 
+        hwif->tf_read = superio_tf_read;
+
         /* We need to override inb to workaround a SuperIO errata */
         hwif->INB = superio_ide_inb;
 }
@@ -231,12 +275,12 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
                  *      SELECT_DRIVE() properly during first ide_probe_port().
                  */
                 timeout = 10000;
-                outb(12, hwif->io_ports[IDE_CONTROL_OFFSET]);
+                outb(12, hwif->io_ports.ctl_addr);
                 udelay(10);
-                outb(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
+                outb(8, hwif->io_ports.ctl_addr);
                 do {
                         udelay(50);
-                        stat = hwif->INB(hwif->io_ports[IDE_STATUS_OFFSET]);
+                        stat = hwif->INB(hwif->io_ports.status_addr);
                         if (stat == 0xff)
                                 break;
                 } while ((stat & BUSY_STAT) && --timeout);
@@ -244,7 +288,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
         }
 
         if (!using_inta)
-                hwif->irq = ide_default_irq(hwif->io_ports[IDE_DATA_OFFSET]);
+                hwif->irq = ide_default_irq(hwif->io_ports.data_addr);
         else if (!hwif->irq && hwif->mate && hwif->mate->irq)
                 hwif->irq = hwif->mate->irq;    /* share IRQ with mate */