ACPI: processor: add kernel command line support for early _PDC eval
Allow platforms not listed in DMI table to opt-in and evaluate _PDC early. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -199,6 +199,10 @@ and is between 256 and 4096 characters. It is defined in the file
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acpi_display_output=video
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See above.
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acpi_early_pdc_eval [HW,ACPI] Evaluate processor _PDC methods
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early. Needed on some platforms to properly
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initialize the EC.
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acpi_irq_balance [HW,ACPI]
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ACPI will balance active IRQs
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default in APIC mode
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@ -151,6 +151,13 @@ static int set_early_pdc_optin(const struct dmi_system_id *id)
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return 0;
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}
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static int param_early_pdc_optin(char *s)
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{
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early_pdc_optin = 1;
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return 1;
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}
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__setup("acpi_early_pdc_eval", param_early_pdc_optin);
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static struct dmi_system_id __cpuinitdata early_pdc_optin_table[] = {
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{
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set_early_pdc_optin, "HP Envy", {
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