[PATCH] 64bit resource: change pci core and arch code to use resource_size_t

[pandora-kernel.git] / drivers / pci / rom.c

diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index 713c78f..cbb69cf 100644 (file)
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -9,6 +9,7 @@
 #include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
+#include <linux/slab.h>
 
 #include "pci.h"
 
@@ -21,13 +22,21 @@
  * between the ROM and other resources, so enabling it may disable access
  * to MMIO registers or other card memory.
  */
-static void pci_enable_rom(struct pci_dev *pdev)
+static int pci_enable_rom(struct pci_dev *pdev)
 {
+       struct resource *res = pdev->resource + PCI_ROM_RESOURCE;
+       struct pci_bus_region region;
        u32 rom_addr;
 
+       if (!res->flags)
+               return -1;
+
+       pcibios_resource_to_bus(pdev, &region, res);
        pci_read_config_dword(pdev, pdev->rom_base_reg, &rom_addr);
-       rom_addr |= PCI_ROM_ADDRESS_ENABLE;
+       rom_addr &= ~PCI_ROM_ADDRESS_MASK;
+       rom_addr |= region.start | PCI_ROM_ADDRESS_ENABLE;
        pci_write_config_dword(pdev, pdev->rom_base_reg, rom_addr);
+       return 0;
 }
 
 /**
@@ -71,19 +80,21 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
        } else {
                if (res->flags & IORESOURCE_ROM_COPY) {
                        *size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
-                       return (void __iomem *)pci_resource_start(pdev, PCI_ROM_RESOURCE);
+                       return (void __iomem *)(unsigned long)
+                               pci_resource_start(pdev, PCI_ROM_RESOURCE);
                } else {
                        /* assign the ROM an address if it doesn't have one */
-                       if (res->parent == NULL)
-                               pci_assign_resource(pdev, PCI_ROM_RESOURCE);
-
+                       if (res->parent == NULL &&
+                           pci_assign_resource(pdev,PCI_ROM_RESOURCE))
+                               return NULL;
                        start = pci_resource_start(pdev, PCI_ROM_RESOURCE);
                        *size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
                        if (*size == 0)
                                return NULL;
 
                        /* Enable ROM space decodes */
-                       pci_enable_rom(pdev);
+                       if (pci_enable_rom(pdev))
+                               return NULL;
                }
        }
 
@@ -159,11 +170,11 @@ void __iomem *pci_map_rom_copy(struct pci_dev *pdev, size_t *size)
                return rom;
 
        res->end = res->start + *size;
-       memcpy_fromio((void*)res->start, rom, *size);
+       memcpy_fromio((void*)(unsigned long)res->start, rom, *size);
        pci_unmap_rom(pdev, rom);
        res->flags |= IORESOURCE_ROM_COPY;
 
-       return (void __iomem *)res->start;
+       return (void __iomem *)(unsigned long)res->start;
 }
 
 /**
@@ -216,7 +227,7 @@ void pci_cleanup_rom(struct pci_dev *pdev)
 {
        struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
        if (res->flags & IORESOURCE_ROM_COPY) {
-               kfree((void*)res->start);
+               kfree((void*)(unsigned long)res->start);
                res->flags &= ~IORESOURCE_ROM_COPY;
                res->start = 0;
                res->end = 0;