Merge branch 'upstream-fixes' into upstream

Conflicts:

	drivers/scsi/sata_sil24.c

4 files changed, 37 insertions, 21 deletions

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index daee69579b1c..40e5aba3ad3d 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -1066,14 +1066,6 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
                      DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
                      },
          },
-        {
-         .callback = disable_acpi_pci,
-         .ident = "HP xw9300",
-         .matches = {
-                    DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-                    DMI_MATCH(DMI_PRODUCT_NAME, "HP xw9300 Workstation"),
-                    },
-        },
         {}
 };
 
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index 2e3b643a4dc4..1649a175a206 100644
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -5,17 +5,34 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
+#include <linux/acpi.h>
+
 #include <asm/pci-direct.h>
 #include <asm/acpi.h>
 #include <asm/apic.h>
 
+#ifdef CONFIG_ACPI
+
+static int nvidia_hpet_detected __initdata;
+
+static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
+{
+        nvidia_hpet_detected = 1;
+        return 0;
+}
+#endif
+
 static int __init check_bridge(int vendor, int device)
 {
 #ifdef CONFIG_ACPI
-        /* According to Nvidia all timer overrides are bogus. Just ignore
-           them all. */
+        /* According to Nvidia all timer overrides are bogus unless HPET
+           is enabled. */
         if (vendor == PCI_VENDOR_ID_NVIDIA) {
-                acpi_skip_timer_override = 1;
+                nvidia_hpet_detected = 0;
+                acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
+                if (nvidia_hpet_detected == 0) {
+                        acpi_skip_timer_override = 1;
+                }
         }
 #endif
         if (vendor == PCI_VENDOR_ID_ATI && timer_over_8254 == 1) {
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 846e1639ef7c..dd6b0e3386ce 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1547,15 +1547,18 @@ void __init setup_arch(char **cmdline_p)
         if (efi_enabled)
                 efi_map_memmap();
 
-#ifdef CONFIG_X86_IO_APIC
-        check_acpi_pci();       /* Checks more than just ACPI actually */
-#endif
-
 #ifdef CONFIG_ACPI
         /*
          * Parse the ACPI tables for possible boot-time SMP configuration.
          */
         acpi_boot_table_init();
+#endif
+
+#ifdef CONFIG_X86_IO_APIC
+        check_acpi_pci();       /* Checks more than just ACPI actually */
+#endif
+
+#ifdef CONFIG_ACPI
         acpi_boot_init();
 
 #if defined(CONFIG_SMP) && defined(CONFIG_X86_PC)
diff --git a/arch/i386/mach-generic/probe.c b/arch/i386/mach-generic/probe.c
index cea5b3ce4b57..d55fa7b187ab 100644
--- a/arch/i386/mach-generic/probe.c
+++ b/arch/i386/mach-generic/probe.c
@@ -93,9 +93,11 @@ int __init mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid
         int i;
         for (i = 0; apic_probe[i]; ++i) { 
                 if (apic_probe[i]->mps_oem_check(mpc,oem,productid)) { 
-                        genapic = apic_probe[i];
-                        printk(KERN_INFO "Switched to APIC driver `%s'.\n", 
-                               genapic->name);
+                        if (!cmdline_apic) {
+                                genapic = apic_probe[i];
+                                printk(KERN_INFO "Switched to APIC driver `%s'.\n",
+                                       genapic->name);
+                        }
                         return 1;
                 } 
         } 
@@ -107,9 +109,11 @@ int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
         int i;
         for (i = 0; apic_probe[i]; ++i) { 
                 if (apic_probe[i]->acpi_madt_oem_check(oem_id, oem_table_id)) { 
-                        genapic = apic_probe[i];
-                        printk(KERN_INFO "Switched to APIC driver `%s'.\n", 
-                               genapic->name);
+                        if (!cmdline_apic) {
+                                genapic = apic_probe[i];
+                                printk(KERN_INFO "Switched to APIC driver `%s'.\n",
+                                       genapic->name);
+                        }
                         return 1;
                 } 
         }