[PATCH 06/12] ACPI: processor: remove early _PDC optin quirks

Alex Chiang
2010-01-25T21:43:18Z

Now that we check for physically present processors before blindly
evaluating _PDC, we no longer need to maintain a DMI opt-in table
nor a kernel param.

Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
---

Documentation/kernel-parameters.txt | 4 ----
drivers/acpi/processor_core.c | 37 -----------------------------------
2 files changed, 0 insertions(+), 41 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 826b6e1..736d456 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -199,10 +199,6 @@ and is between 256 and 4096 characters. It is defined in the file
acpi_display_output=video
See above.

- acpi_early_pdc_eval [HW,ACPI] Evaluate processor _PDC methods
- early. Needed on some platforms to properly
- initialize the EC.
-
acpi_irq_balance [HW,ACPI]
ACPI will balance active IRQs
default in APIC mode
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index e8b1246..05874ba 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -341,36 +341,6 @@ void acpi_processor_set_pdc(acpi_handle handle)
}
EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);

-static int early_pdc_optin;
-static int set_early_pdc_optin(const struct dmi_system_id *id)
-{
- early_pdc_optin = 1;
- return 0;
-}
-
-static int param_early_pdc_optin(char *s)
-{
- early_pdc_optin = 1;
- return 1;
-}
-__setup("acpi_early_pdc_eval", param_early_pdc_optin);
-
-static struct dmi_system_id __cpuinitdata early_pdc_optin_table[] = {
- {
- set_early_pdc_optin, "HP Envy", {
- DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP Envy") }, NULL},
- {
- set_early_pdc_optin, "HP Pavilion dv6", {
- DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv6") }, NULL},
- {
- set_early_pdc_optin, "HP Pavilion dv7", {
- DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv7") }, NULL},
- {},
-};
-
static acpi_status
early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
{
@@ -396,13 +366,6 @@ void acpi_early_processor_set_pdc(void)
*/
dmi_check_system(processor_idle_dmi_table);

- /*
- * Allow systems to opt-in to early _PDC evaluation.
- */
- dmi_check_system(early_pdc_optin_table);
- if (!early_pdc_optin)
- return;
-
acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
early_init_pdc, NULL, NULL, NULL);