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-rw-r--r--drivers/ide/setup-pci.c29
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index acef85d1c58..53d9979edc7 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -339,7 +339,8 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *
* ide_hwif_configure - configure an IDE interface
* @dev: PCI device holding interface
* @d: IDE port info
- * @mate: Paired interface if any
+ * @port: port number
+ * @irq: PCI IRQ
*
* Perform the initial set up for the hardware interface structure. This
* is done per interface port rather than per PCI device. There may be
@@ -348,7 +349,9 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *
* Returns the new hardware interface structure, or NULL on a failure
*/
-static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, const struct ide_port_info *d, ide_hwif_t *mate, int port, int irq)
+static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev,
+ const struct ide_port_info *d,
+ unsigned int port, int irq)
{
unsigned long ctl = 0, base = 0;
ide_hwif_t *hwif;
@@ -394,12 +397,7 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, const struct ide_port
hwif->dev = &dev->dev;
hwif->cds = d;
- hwif->channel = port;
- if (mate) {
- hwif->mate = mate;
- mate->mate = hwif;
- }
return hwif;
}
@@ -527,10 +525,25 @@ void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, int
continue; /* port not enabled */
}
- if ((hwif = ide_hwif_configure(dev, d, mate, port, pciirq)) == NULL)
+ hwif = ide_hwif_configure(dev, d, port, pciirq);
+ if (hwif == NULL)
continue;
*(idx + port) = hwif->index;
+ }
+
+ for (port = 0; port < channels; ++port) {
+ if (*(idx + port) == 0xff)
+ continue;
+
+ hwif = &ide_hwifs[*(idx + port)];
+
+ if (mate) {
+ hwif->mate = mate;
+ mate->mate = hwif;
+ }
+
+ hwif->channel = port;
if (d->init_iops)
d->init_iops(hwif);