Commit 03692dda authored by Dave Jones's avatar Dave Jones

[CPUFREQ] AMD powernow documentation updates.

From: Paul Devriendt
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent b5e68743
...@@ -25,7 +25,7 @@ not supply these tables. ...@@ -25,7 +25,7 @@ not supply these tables.
8th Generation: powernow-k8: Athlon, Athlon 64, Opteron, Sempron. 8th Generation: powernow-k8: Athlon, Athlon 64, Opteron, Sempron.
Documentation on this functionality in 8th generation processors Documentation on this functionality in 8th generation processors
is available in the "BIOS and Kernel Developer's Guide", publication is available in the "BIOS and Kernel Developer's Guide", publication
26094, in chapter 9, available for download from www.amd.com <www.amd.com> . 26094, in chapter 9, available for download from www.amd.com.
BIOS supplied data, for powernow-k7 and for powernow-k8, may be BIOS supplied data, for powernow-k7 and for powernow-k8, may be
from either the PSB table or from ACPI objects. The ACPI support from either the PSB table or from ACPI objects. The ACPI support
...@@ -33,5 +33,6 @@ is only available if the kernel config sets CONFIG_ACPI_PROCESSOR. ...@@ -33,5 +33,6 @@ is only available if the kernel config sets CONFIG_ACPI_PROCESSOR.
The powernow-k8 driver will attempt to use ACPI if so configured, The powernow-k8 driver will attempt to use ACPI if so configured,
and fall back to PST if that fails. and fall back to PST if that fails.
The powernow-k7 driver will try to use the PSB support first, and The powernow-k7 driver will try to use the PSB support first, and
fall back to ACPI if the PSB support fails. fall back to ACPI if the PSB support fails. A module parameter,
acpi_force, is provided to force ACPI support to be used instead
of PSB support.
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