1 files changed, 15 insertions, 81 deletions

diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c
index d100ca78846..febb9cd8317 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.c
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.c
@@ -31,9 +31,11 @@
  * but we want to try to avoid allocating at 0x2900-0x2bff
  * which might have be mirrored at 0x0100-0x03ff..
  */
-void pcibios_align_resource(void *data, struct resource *res,
-			    resource_size_t size, resource_size_t align)
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
+				resource_size_t size, resource_size_t align)
 {
+	resource_size_t start = res->start;
+
 #if 0
 	struct pci_dev *dev = data;
 
@@ -47,14 +49,10 @@ void pcibios_align_resource(void *data, struct resource *res,
 	       );
 #endif
 
-	if (res->flags & IORESOURCE_IO) {
-		unsigned long start = res->start;
+	if ((res->flags & IORESOURCE_IO) && (start & 0x300))
+		start = (start + 0x3ff) & ~0x3ff;
 
-		if (start & 0x300) {
-			start = (start + 0x3ff) & ~0x3ff;
-			res->start = start;
-		}
-	}
+	return start;
 }
 
 
@@ -95,7 +93,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 	struct pci_bus *bus;
 	struct pci_dev *dev;
 	int idx;
-	struct resource *r, *pr;
+	struct resource *r;
 
 	/* Depth-First Search on bus tree */
 	list_for_each_entry(bus, bus_list, node) {
@@ -107,10 +105,8 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 				r = &dev->resource[idx];
 				if (!r->flags)
 					continue;
-				pr = pci_find_parent_resource(dev, r);
 				if (!r->start ||
-				    !pr ||
-				    request_resource(pr, r) < 0) {
+				    pci_claim_resource(dev, idx) < 0) {
 					printk(KERN_ERR "PCI:"
 					       " Cannot allocate resource"
 					       " region %d of bridge %s\n",
@@ -119,6 +115,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 					 * Invalidate the resource to prevent
 					 * child resource allocations in this
 					 * range. */
+					r->start = r->end = 0;
 					r->flags = 0;
 				}
 			}
@@ -132,7 +129,7 @@ static void __init pcibios_allocate_resources(int pass)
 	struct pci_dev *dev = NULL;
 	int idx, disabled;
 	u16 command;
-	struct resource *r, *pr;
+	struct resource *r;
 
 	for_each_pci_dev(dev) {
 		pci_read_config_word(dev, PCI_COMMAND, &command);
@@ -151,8 +148,7 @@ static void __init pcibios_allocate_resources(int pass)
 				    " (f=%lx, d=%d, p=%d)\n",
 				    pci_name(dev), r->start, r->end, r->flags,
 				    disabled, pass);
-				pr = pci_find_parent_resource(dev, r);
-				if (!pr || request_resource(pr, r) < 0) {
+				if (pci_claim_resource(dev, idx) < 0) {
 					printk(KERN_ERR "PCI:"
 					       " Cannot allocate resource"
 					       " region %d of device %s\n",
@@ -185,7 +181,7 @@ static void __init pcibios_allocate_resources(int pass)
 static int __init pcibios_assign_resources(void)
 {
 	struct pci_dev *dev = NULL;
-	struct resource *r, *pr;
+	struct resource *r;
 
 	if (!(pci_probe & PCI_ASSIGN_ROMS)) {
 		/* Try to use BIOS settings for ROMs, otherwise let
@@ -195,8 +191,7 @@ static int __init pcibios_assign_resources(void)
 			r = &dev->resource[PCI_ROM_RESOURCE];
 			if (!r->flags || !r->start)
 				continue;
-			pr = pci_find_parent_resource(dev, r);
-			if (!pr || request_resource(pr, r) < 0) {
+			if (pci_claim_resource(dev, PCI_ROM_RESOURCE) < 0) {
 				r->end -= r->start;
 				r->start = 0;
 			}
@@ -218,67 +213,6 @@ void __init pcibios_resource_survey(void)
 	pcibios_allocate_resources(1);
 }
 
-int pcibios_enable_resources(struct pci_dev *dev, int mask)
-{
-	u16 cmd, old_cmd;
-	int idx;
-	struct resource *r;
-
-	pci_read_config_word(dev, PCI_COMMAND, &cmd);
-	old_cmd = cmd;
-
-	for (idx = 0; idx < 6; idx++) {
-		/* Only set up the requested stuff */
-		if (!(mask & (1 << idx)))
-			continue;
-
-		r = &dev->resource[idx];
-
-		if (!r->start && r->end) {
-			printk(KERN_ERR
-			       "PCI: Device %s not available because of"
-			       " resource collisions\n",
-			       pci_name(dev));
-			return -EINVAL;
-		}
-
-		if (r->flags & IORESOURCE_IO)
-			cmd |= PCI_COMMAND_IO;
-		if (r->flags & IORESOURCE_MEM)
-			cmd |= PCI_COMMAND_MEMORY;
-	}
-
-	if (dev->resource[PCI_ROM_RESOURCE].start)
-		cmd |= PCI_COMMAND_MEMORY;
-
-	if (cmd != old_cmd)
-		pci_write_config_word(dev, PCI_COMMAND, cmd);
-
-	return 0;
-}
-
-/*
- *  If we set up a device for bus mastering, we need to check the latency
- *  timer as certain crappy BIOSes forget to set it properly.
- */
-unsigned int pcibios_max_latency = 255;
-
-void pcibios_set_master(struct pci_dev *dev)
-{
-	u8 lat;
-
-	pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
-
-	if (lat < 16)
-		lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency;
-	else if (lat > pcibios_max_latency)
-		lat = pcibios_max_latency;
-	else
-		return;
-
-	pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
-}
-
 int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 			enum pci_mmap_state mmap_state, int write_combine)
 {
@@ -287,7 +221,7 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 	/* Leave vm_pgoff as-is, the PCI space address is the physical
 	 * address on this platform.
 	 */
-	vma->vm_flags |= VM_LOCKED | VM_IO;
+	vma->vm_flags |= VM_LOCKED;
 
 	prot = pgprot_val(vma->vm_page_prot);
 	prot &= ~_PAGE_CACHE;