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    Subject[PATCH v2 06/12] ACPI: processor: remove early _PDC optin quirks
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    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.

    Acked-by: 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 404864d..d2e84d1 100644
    --- a/Documentation/kernel-parameters.txt
    +++ b/Documentation/kernel-parameters.txt
    @@ -198,10 +198,6 @@ 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 f0c68c1..ef34faa 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 __init 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);


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