ide: add ->cable_detect method to ide_hwif_t

* Add ->cable_detect method to ide_hwif_t.

* Call the new method in ide_init_port() if:
  - the host supports UDMA modes > UDMA2 ('hwif->ultra_mask & 78')
  - DMA initialization was successful (if hwif->dma_base is not set
    ide_init_port() sets hwif->ultra_mask to zero)
  - "idex=ata66" is not used ('hwif->cbl != ATA_CBL_PATA40_SHORT')

* Convert PCI host drivers to use ->cable_detect method.

While at it:

* Factor out cable detection to separate functions (if not already done).

* hpt366.c/it8213.c/slc90e66.c:
  - don't check cable type if "idex=ata66" is used

* pdc202xx_new.c:
  - add __devinit tag to pdcnew_cable_detect()

* pdc202xx_old.c:
  - rename pdc202xx_old_cable_detect() to pdc2026x_old_cable_detect()
  - add __devinit tag to pdc2026x_old_cable_detect()

Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 9 insertions, 9 deletions

diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 8c52bc9eaa59..d6d58d217142 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -199,6 +199,14 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev,
         return dev->irq;
 }
 
+static u8 __devinit amd_cable_detect(ide_hwif_t *hwif)
+{
+        if ((amd_80w >> hwif->channel) & 1)
+                return ATA_CBL_PATA80;
+        else
+                return ATA_CBL_PATA40;
+}
+
 static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
 {
         struct pci_dev *dev = to_pci_dev(hwif->dev);
@@ -209,15 +217,7 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
         hwif->set_pio_mode = &amd_set_pio_mode;
         hwif->set_dma_mode = &amd_set_drive;
 
-        if (!hwif->dma_base)
-                return;
-
-        if (hwif->cbl != ATA_CBL_PATA40_SHORT) {
-                if ((amd_80w >> hwif->channel) & 1)
-                        hwif->cbl = ATA_CBL_PATA80;
-                else
-                        hwif->cbl = ATA_CBL_PATA40;
-        }
+        hwif->cable_detect = amd_cable_detect;
 }
 
 #define IDE_HFLAGS_AMD \