1 files changed, 13 insertions, 9 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index d2d187916643..bea1ad1ad5ba 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -19,7 +19,6 @@
 #include <asm/dma.h>    /* isa_dma_bridge_buggy */
 #include "pci.h"
 
-#if 0
 
 /**
  * pci_bus_max_busnr - returns maximum PCI bus number of given bus' children
@@ -34,7 +33,7 @@ pci_bus_max_busnr(struct pci_bus* bus)
         struct list_head *tmp;
         unsigned char max, n;
 
-        max = bus->number;
+        max = bus->subordinate;
         list_for_each(tmp, &bus->children) {
                 n = pci_bus_max_busnr(pci_bus_b(tmp));
                 if(n > max)
@@ -42,7 +41,9 @@ pci_bus_max_busnr(struct pci_bus* bus)
         }
         return max;
 }
+EXPORT_SYMBOL_GPL(pci_bus_max_busnr);
 
+#if 0
 /**
  * pci_max_busnr - returns maximum PCI bus number
  *
@@ -495,9 +496,8 @@ pci_enable_device_bars(struct pci_dev *dev, int bars)
 int
 pci_enable_device(struct pci_dev *dev)
 {
-        int err;
-
-        if ((err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1)))
+        int err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1);
+        if (err)
                 return err;
         pci_fixup_device(pci_fixup_enable, dev);
         dev->is_enabled = 1;
@@ -639,7 +639,7 @@ void pci_release_region(struct pci_dev *pdev, int bar)
  *      Returns 0 on success, or %EBUSY on error.  A warning
  *      message is also printed on failure.
  */
-int pci_request_region(struct pci_dev *pdev, int bar, char *res_name)
+int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name)
 {
         if (pci_resource_len(pdev, bar) == 0)
                 return 0;
@@ -697,7 +697,7 @@ void pci_release_regions(struct pci_dev *pdev)
  *      Returns 0 on success, or %EBUSY on error.  A warning
  *      message is also printed on failure.
  */
-int pci_request_regions(struct pci_dev *pdev, char *res_name)
+int pci_request_regions(struct pci_dev *pdev, const char *res_name)
 {
         int i;
         
@@ -900,8 +900,12 @@ static int __devinit pci_setup(char *str)
                 if (k)
                         *k++ = 0;
                 if (*str && (str = pcibios_setup(str)) && *str) {
-                        /* PCI layer options should be handled here */
-                        printk(KERN_ERR "PCI: Unknown option `%s'\n", str);
+                        if (!strcmp(str, "nomsi")) {
+                                pci_no_msi();
+                        } else {
+                                printk(KERN_ERR "PCI: Unknown option `%s'\n",
+                                                str);
+                        }
                 }
                 str = k;
         }