ACPI: processor: add kernel command line support for early _PDC eval

[deliverable/linux.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 736d45602886ea7b08024f246f06e9c7c6dc1a05..826b6e1483166d499ed9de7c2240dc35eb7d990a 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -199,6 +199,10 @@ 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