5 files changed, 19 insertions, 57 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 00b5d08f6da8..d20a3cc8b424 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -69,6 +69,20 @@ unsigned int acpi_cpei_phys_cpuid;
 
 unsigned long acpi_wakeup_address = 0;
 
+#ifdef CONFIG_IA64_GENERIC
+static unsigned long __init acpi_find_rsdp(void)
+{
+        unsigned long rsdp_phys = 0;
+
+        if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
+                rsdp_phys = efi.acpi20;
+        else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
+                printk(KERN_WARNING PREFIX
+                       "v1.0/r0.71 tables no longer supported\n");
+        return rsdp_phys;
+}
+#endif
+
 const char __init *
 acpi_get_sysname(void)
 {
@@ -631,18 +645,6 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table)
         return 0;
 }
 
-unsigned long __init acpi_find_rsdp(void)
-{
-        unsigned long rsdp_phys = 0;
-
-        if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
-                rsdp_phys = efi.acpi20;
-        else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
-                printk(KERN_WARNING PREFIX
-                       "v1.0/r0.71 tables no longer supported\n");
-        return rsdp_phys;
-}
-
 int __init acpi_boot_init(void)
 {
 
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index fd4265007053..3954ae96b0c7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -98,6 +98,9 @@ config ARCH_HAS_ILOG2_U32
 config ARCH_HAS_ILOG2_U64
         def_bool n
 
+config ARCH_HAS_CPU_IDLE_WAIT
+        def_bool y
+
 config GENERIC_CALIBRATE_DELAY
         def_bool y
 
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index d2a58431a074..fc8825d4b996 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -587,25 +587,6 @@ int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base)
 
 EXPORT_SYMBOL(acpi_unregister_ioapic);
 
-static unsigned long __init
-acpi_scan_rsdp(unsigned long start, unsigned long length)
-{
-        unsigned long offset = 0;
-        unsigned long sig_len = sizeof("RSD PTR ") - 1;
-
-        /*
-         * Scan all 16-byte boundaries of the physical memory region for the
-         * RSDP signature.
-         */
-        for (offset = 0; offset < length; offset += 16) {
-                if (strncmp((char *)(phys_to_virt(start) + offset), "RSD PTR ", sig_len))
-                        continue;
-                return (start + offset);
-        }
-
-        return 0;
-}
-
 static int __init acpi_parse_sbf(struct acpi_table_header *table)
 {
         struct acpi_table_boot *sb;
@@ -748,27 +729,6 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table)
         return 0;
 }
 
-unsigned long __init acpi_find_rsdp(void)
-{
-        unsigned long rsdp_phys = 0;
-
-        if (efi_enabled) {
-                if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
-                        return efi.acpi20;
-                else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
-                        return efi.acpi;
-        }
-        /*
-         * Scan memory looking for the RSDP signature. First search EBDA (low
-         * memory) paragraphs and then search upper memory (E0000-FFFFF).
-         */
-        rsdp_phys = acpi_scan_rsdp(0, 0x400);
-        if (!rsdp_phys)
-                rsdp_phys = acpi_scan_rsdp(0xE0000, 0x20000);
-
-        return rsdp_phys;
-}
-
 #ifdef  CONFIG_X86_LOCAL_APIC
 /*
  * Parse LAPIC entries in MADT
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
index 76c3ab0da468..98d4fdb7dc04 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
@@ -189,10 +189,7 @@ static unsigned int pentium4_get_frequency(void)
                 printk(KERN_DEBUG "speedstep-lib: couldn't detect FSB speed. Please send an e-mail to <linux@brodo.de>\n");
 
         /* Multiplier. */
-        if (c->x86_model < 2)
-                mult = msr_lo >> 27;
-        else
-                mult = msr_lo >> 24;
+        mult = msr_lo >> 24;
 
         dprintk("P4 - FSB %u kHz; Multiplier %u; Speed %u kHz\n", fsb, mult, (fsb * mult));
 
diff --git a/arch/x86/kernel/srat_32.c b/arch/x86/kernel/srat_32.c
index 2bf6903cb444..b72e61359c36 100644
--- a/arch/x86/kernel/srat_32.c
+++ b/arch/x86/kernel/srat_32.c
@@ -274,7 +274,7 @@ int __init get_memcfg_from_srat(void)
         int tables = 0;
         int i = 0;
 
-        rsdp_address = acpi_find_rsdp();
+        rsdp_address = acpi_os_get_root_pointer();
         if (!rsdp_address) {
                 printk("%s: System description tables not found\n",
                        __FUNCTION__);