X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fpci%2Fpdc202xx_new.c;h=7c5544d10b9ab76d700688fdf676ad5674f6acd6;hb=07047935795917f21dc532c0c17811213cbc2e97;hp=8a66a2871b3a019c68e7a22900defadcc094190c;hpb=d638d4990bfb99998420e78e8fd4607bca5cf8d0;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index 8a66a2871b3..7c5544d10b9 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -9,7 +9,7 @@
  *  Split from:
  *  linux/drivers/ide/pdc202xx.c	Version 0.35	Mar. 30, 2002
  *  Copyright (C) 1998-2002		Andre Hedrick <andre@linux-ide.org>
- *  Copyright (C) 2005-2006		MontaVista Software, Inc.
+ *  Copyright (C) 2005-2007		MontaVista Software, Inc.
  *  Portions Copyright (C) 1999 Promise Technology, Inc.
  *  Author: Frank Tiernan (frankt@promise.com)
  *  Released under terms of General Public License
@@ -341,7 +341,7 @@ static long __devinit detect_pll_input_clock(unsigned long dma_base)
 	 */
 	usec_elapsed = (end_time.tv_sec - start_time.tv_sec) * 1000000 +
 		(end_time.tv_usec - start_time.tv_usec);
-	pll_input = ((start_count - end_count) & 0x3ffffff) / 10 *
+	pll_input = ((start_count - end_count) & 0x3fffffff) / 10 *
 		(10000000 / usec_elapsed);
 
 	DBG("start[%ld] end[%ld]\n", start_count, end_count);
@@ -378,6 +378,9 @@ static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const cha
 	int f, r;
 	u8 pll_ctl0, pll_ctl1;
 
+	if (dma_base == 0)
+		return -EFAULT;
+
 #ifdef CONFIG_PPC_PMAC
 	apple_kiwi_init(dev);
 #endif
@@ -494,15 +497,18 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
 	hwif->speedproc = &pdcnew_tune_chipset;
 	hwif->resetproc = &pdcnew_reset;
 
+	hwif->err_stops_fifo = 1;
+
 	hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
 
+	if (hwif->dma_base == 0)
+		return;
+
 	hwif->atapi_dma  = 1;
 
 	hwif->ultra_mask = hwif->cds->udma_mask;
 	hwif->mwdma_mask = 0x07;
 
-	hwif->err_stops_fifo = 1;
-
 	hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate;
 
 	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
@@ -518,43 +524,52 @@ static int __devinit init_setup_pdcnew(struct pci_dev *dev, ide_pci_device_t *d)
 	return ide_setup_pci_device(dev, d);
 }
 
-static int __devinit init_setup_pdc20270(struct pci_dev *dev,
-					 ide_pci_device_t *d)
+static int __devinit init_setup_pdc20270(struct pci_dev *dev, ide_pci_device_t *d)
 {
-	struct pci_dev *findev = NULL;
-	int ret;
+	struct pci_dev *bridge = dev->bus->self;
+
+	if (bridge != NULL &&
+	    bridge->vendor == PCI_VENDOR_ID_DEC &&
+	    bridge->device == PCI_DEVICE_ID_DEC_21150) {
+		struct pci_dev *dev2;
 
-	if ((dev->bus->self &&
-	     dev->bus->self->vendor == PCI_VENDOR_ID_DEC) &&
-	    (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) {
 		if (PCI_SLOT(dev->devfn) & 2)
 			return -ENODEV;
-		d->extra = 0;
-		while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) {
-			if ((findev->vendor == dev->vendor) &&
-			    (findev->device == dev->device) &&
-			    (PCI_SLOT(findev->devfn) & 2)) {
-				if (findev->irq != dev->irq) {
-					findev->irq = dev->irq;
-				}
-				ret = ide_setup_pci_devices(dev, findev, d);
-				pci_dev_put(findev);
-				return ret;
+
+		dev2 = pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn) + 2,
+							PCI_FUNC(dev->devfn)));
+		if (dev2 != NULL &&
+		    dev2->vendor == dev->vendor &&
+		    dev2->device == dev->device) {
+			int ret;
+
+			if (dev2->irq != dev->irq) {
+				dev2->irq = dev->irq;
+
+				printk(KERN_WARNING "%s: PCI config space "
+				       "interrupt fixed.\n", d->name);
 			}
+
+			ret = ide_setup_pci_devices(dev, dev2, d);
+			if (ret < 0)
+				pci_dev_put(dev2);
+			return ret;
 		}
 	}
 	return ide_setup_pci_device(dev, d);
 }
 
-static int __devinit init_setup_pdc20276(struct pci_dev *dev,
-					 ide_pci_device_t *d)
+static int __devinit init_setup_pdc20276(struct pci_dev *dev, ide_pci_device_t *d)
 {
-	if ((dev->bus->self) &&
-	    (dev->bus->self->vendor == PCI_VENDOR_ID_INTEL) &&
-	    ((dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960) ||
-	     (dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960RM))) {
-		printk(KERN_INFO "ide: Skipping Promise PDC20276 "
-			"attached to I2O RAID controller.\n");
+	struct pci_dev *bridge = dev->bus->self;
+
+	if (bridge != NULL &&
+	    bridge->vendor == PCI_VENDOR_ID_INTEL &&
+	   (bridge->device == PCI_DEVICE_ID_INTEL_I960 ||
+	    bridge->device == PCI_DEVICE_ID_INTEL_I960RM)) {
+
+		printk(KERN_INFO "%s: attached to I2O RAID controller, "
+				 "skipping.\n", d->name);
 		return -ENODEV;
 	}
 	return ide_setup_pci_device(dev, d);