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Rafal Bilski 52a2638bff Longhaul: add auto enabled "revid_errata" option ... VIA C3 Ezra-T has RevisionID equal to 1, but it needs RevisionKey to be 0 or CPU will ignore new frequency and will continue to work at old frequency. New "revid_errata" option will force RevisionKey to be set to 0, whatever RevisionID is. Additionaly "Longhaul" will not silently ignore unsuccessful transition. It will try to check if "revid_errata" or "disable_acpi_c3" options need to be enabled for this processor/system. Same for Longhaul ver. 2 support. It will be disabled if none of above options will work. Best case scenario (with patch apllied and v2 enabled): longhaul: VIA C3 'Ezra' [C5C] CPU detected. Longhaul v2 supported. longhaul: Using northbridge support. longhaul: VRM 8.5 longhaul: Max VID=1.350 Min VID=1.050, 13 possible voltage scales longhaul: f: 300000 kHz, index: 0, vid: 1050 mV [...] longhaul: Voltage scaling enabled. Worst case scenario: longhaul: VIA C3 'Ezra-T' [C5M] CPU detected. Powersaver supported. longhaul: Using northbridge support. longhaul: Using ACPI support. longhaul: VRM 8.5 longhaul: Claims to support voltage scaling but min & max are both 1.250. Voltage scaling disabled longhaul: Failed to set requested frequency! longhaul: Enabling "Ignore Revision ID" option. longhaul: Failed to set requested frequency! longhaul: Disabling ACPI C3 support. longhaul: Disabling "Ignore Revision ID" option. longhaul: Failed to set requested frequency! longhaul: Enabling "Ignore Revision ID" option. [akpm@linux-foundation.org: coding-style cleanups] Signed-off-by: Rafal Bilski <rafalbilski@interia.pl> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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cpufreq	Longhaul: add auto enabled "revid_errata" option	18 years ago
mcheck	x86: Stop MCEs and NMIs during code patching	18 years ago
mtrr	x86: Replace NSC/Cyrix specific chipset access macros by inlined functions.	18 years ago
Makefile	x86: remove support for the Rise CPU	18 years ago
addon_cpuid_features.c	Use a new CPU feature word to cover features that are spread around	18 years ago
amd.c	i386: Use global flag to disable broken local apic timer on AMD CPUs.	18 years ago
bugs.c	i386: include asm/bugs.h in bugs.c for check_bugs prototype	18 years ago
centaur.c	…
common.c	x86: remove support for the Rise CPU	18 years ago
cpu.h	…
cyrix.c	x86: Replace NSC/Cyrix specific chipset access macros by inlined functions.	18 years ago
intel.c	…
intel_cacheinfo.c	x86_64: Prevent doing anything from cache_remove_dev() when info setup failed.	18 years ago
nexgen.c	…
perfctr-watchdog.c	i386: Fix perfctr watchdog on core duo	18 years ago
proc.c	Use a new CPU feature word to cover features that are spread around	18 years ago
transmeta.c	…
umc.c	…