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Diffstat (limited to 'arch/x86/pci/common.c')
-rw-r--r--arch/x86/pci/common.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 323481e06ef8..0ad990a20d4a 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -11,6 +11,7 @@
#include <linux/dmi.h>
#include <linux/slab.h>
+#include <asm-generic/pci-bridge.h>
#include <asm/acpi.h>
#include <asm/segment.h>
#include <asm/io.h>
@@ -229,6 +230,14 @@ static int __devinit assign_all_busses(const struct dmi_system_id *d)
}
#endif
+static int __devinit set_scan_all(const struct dmi_system_id *d)
+{
+ printk(KERN_INFO "PCI: %s detected, enabling pci=pcie_scan_all\n",
+ d->ident);
+ pci_add_flags(PCI_SCAN_ALL_PCIE_DEVS);
+ return 0;
+}
+
static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = {
#ifdef __i386__
/*
@@ -420,6 +429,13 @@ static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
},
},
+ {
+ .callback = set_scan_all,
+ .ident = "Stratus/NEC ftServer",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ftServer"),
+ },
+ },
{}
};
@@ -430,9 +446,7 @@ void __init dmi_check_pciprobe(void)
struct pci_bus * __devinit pcibios_scan_root(int busnum)
{
- LIST_HEAD(resources);
struct pci_bus *bus = NULL;
- struct pci_sysdata *sd;
while ((bus = pci_find_next_bus(bus)) != NULL) {
if (bus->number == busnum) {
@@ -441,28 +455,10 @@ struct pci_bus * __devinit pcibios_scan_root(int busnum)
}
}
- /* 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.
- */
- sd = kzalloc(sizeof(*sd), GFP_KERNEL);
- if (!sd) {
- printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum);
- return NULL;
- }
-
- sd->node = get_mp_bus_to_node(busnum);
-
- printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busnum);
- x86_pci_root_bus_resources(busnum, &resources);
- bus = pci_scan_root_bus(NULL, busnum, &pci_root_ops, sd, &resources);
- if (!bus) {
- pci_free_resource_list(&resources);
- kfree(sd);
- }
-
- return bus;
+ return pci_scan_bus_on_node(busnum, &pci_root_ops,
+ get_mp_bus_to_node(busnum));
}
+
void __init pcibios_set_cache_line_size(void)
{
struct cpuinfo_x86 *c = &boot_cpu_data;
@@ -656,6 +652,7 @@ struct pci_bus * __devinit pci_scan_bus_on_node(int busno, struct pci_ops *ops,
}
sd->node = node;
x86_pci_root_bus_resources(busno, &resources);
+ printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busno);
bus = pci_scan_root_bus(NULL, busno, ops, sd, &resources);
if (!bus) {
pci_free_resource_list(&resources);