x86/pci: add pci=skip_isa_align command lines.

[linux-2.6] / arch / x86 / pci / acpi.c

diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 2664cb3fc96c51fe964f1750225983ecdd745e77..d95de2f199cdaf45c3b44663dc32ed884de98b1d 100644 (file)
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -6,45 +6,6 @@
 #include <asm/numa.h>
 #include "pci.h"
 
-static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
-{
-       pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
-       printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
-       return 0;
-}
-
-static struct dmi_system_id acpi_pciprobe_dmi_table[] __devinitdata = {
-/*
- * Systems where PCI IO resource ISA alignment can be skipped
- * when the ISA enable bit in the bridge control is not set
- */
-       {
-               .callback = can_skip_ioresource_align,
-               .ident = "IBM System x3800",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
-               },
-       },
-       {
-               .callback = can_skip_ioresource_align,
-               .ident = "IBM System x3850",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
-               },
-       },
-       {
-               .callback = can_skip_ioresource_align,
-               .ident = "IBM System x3950",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
-               },
-       },
-       {}
-};
-
 struct pci_root_info {
        char *name;
        unsigned int res_num;
@@ -191,9 +152,10 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
 {
        struct pci_bus *bus;
        struct pci_sysdata *sd;
+       int node;
+#ifdef CONFIG_ACPI_NUMA
        int pxm;
-
-       dmi_check_system(acpi_pciprobe_dmi_table);
+#endif
 
        if (domain && !pci_domains_supported) {
                printk(KERN_WARNING "PCI: Multiple domains not supported "
@@ -201,6 +163,17 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
                return NULL;
        }
 
+       node = -1;
+#ifdef CONFIG_ACPI_NUMA
+       pxm = acpi_get_pxm(device->handle);
+       if (pxm >= 0)
+               node = pxm_to_node(pxm);
+       if (node != -1)
+               set_mp_bus_to_node(busnum, node);
+       else
+               node = get_mp_bus_to_node(busnum);
+#endif
+
        /* Allocate per-root-bus (not per bus) arch-specific data.
         * TODO: leak; this memory is never freed.
         * It's arguable whether it's worth the trouble to care.
@@ -212,13 +185,7 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
        }
 
        sd->domain = domain;
-       sd->node = -1;
-
-       pxm = acpi_get_pxm(device->handle);
-#ifdef CONFIG_ACPI_NUMA
-       if (pxm >= 0)
-               sd->node = pxm_to_node(pxm);
-#endif
+       sd->node = node;
        /*
         * Maybe the desired pci bus has been already scanned. In such case
         * it is unnecessary to scan the pci bus with the given domain,busnum.
@@ -238,9 +205,9 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
                kfree(sd);
 
 #ifdef CONFIG_ACPI_NUMA
-       if (bus != NULL) {
+       if (bus) {
                if (pxm >= 0) {
-                       printk("bus %d -> pxm %d -> node %d\n",
+                       printk(KERN_DEBUG "bus %02x -> pxm %d -> node %d\n",
                                busnum, pxm, pxm_to_node(pxm));
                }
        }
@@ -248,7 +215,6 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
 
        if (bus && (pci_probe & PCI_USE__CRS))
                get_current_resources(device, busnum, domain, bus);
-       
        return bus;
 }