Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq

[pandora-kernel.git] / drivers / acpi / processor_core.c

diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 7fe413c..e9b7b40 100644 (file)
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -126,29 +126,6 @@ DEFINE_PER_CPU(struct acpi_processor *, processors);
 EXPORT_PER_CPU_SYMBOL(processors);
 
 struct acpi_processor_errata errata __read_mostly;
-static int set_no_mwait(const struct dmi_system_id *id)
-{
-       printk(KERN_NOTICE PREFIX "%s detected - "
-               "disabling mwait for CPU C-states\n", id->ident);
-       idle_nomwait = 1;
-       return 0;
-}
-
-static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
-       {
-       set_no_mwait, "IFL91 board", {
-       DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
-       DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
-       DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
-       DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
-       {
-       set_no_mwait, "Extensa 5220", {
-       DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
-       DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-       DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
-       DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
-       {},
-};
 
 /* --------------------------------------------------------------------------
                                 Errata Handling
@@ -278,45 +255,6 @@ static int acpi_processor_errata(struct acpi_processor *pr)
        return result;
 }
 
-/* --------------------------------------------------------------------------
-                              Common ACPI processor functions
-   -------------------------------------------------------------------------- */
-
-/*
- * _PDC is required for a BIOS-OS handshake for most of the newer
- * ACPI processor features.
- */
-static int acpi_processor_set_pdc(struct acpi_processor *pr)
-{
-       struct acpi_object_list *pdc_in = pr->pdc;
-       acpi_status status = AE_OK;
-
-
-       if (!pdc_in)
-               return status;
-       if (idle_nomwait) {
-               /*
-                * If mwait is disabled for CPU C-states, the C2C3_FFH access
-                * mode will be disabled in the parameter of _PDC object.
-                * Of course C1_FFH access mode will also be disabled.
-                */
-               union acpi_object *obj;
-               u32 *buffer = NULL;
-
-               obj = pdc_in->pointer;
-               buffer = (u32 *)(obj->buffer.pointer);
-               buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
-
-       }
-       status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
-
-       if (ACPI_FAILURE(status))
-               ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                   "Could not evaluate _PDC, using legacy perf. control...\n"));
-
-       return status;
-}
-
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */
@@ -827,9 +765,7 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
        }
 
        /* _PDC call should be done before doing anything else (if reqd.). */
-       arch_acpi_processor_init_pdc(pr);
-       acpi_processor_set_pdc(pr);
-       arch_acpi_processor_cleanup_pdc(pr);
+       acpi_processor_set_pdc(pr->handle);
 
 #ifdef CONFIG_CPU_FREQ
        acpi_processor_ppc_has_changed(pr, 0);
@@ -1147,11 +1083,6 @@ static int __init acpi_processor_init(void)
        if (!acpi_processor_dir)
                return -ENOMEM;
 #endif
-       /*
-        * Check whether the system is DMI table. If yes, OSPM
-        * should not use mwait for CPU-states.
-        */
-       dmi_check_system(processor_idle_dmi_table);
        result = cpuidle_register_driver(&acpi_idle_driver);
        if (result < 0)
                goto out_proc;