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| author | Len Brown <len.brown@intel.com> | 2010-10-24 05:25:53 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-10-26 21:45:17 +0200 |
| commit | c25d29952b2a8c9aaf00e081c9162a0e383030cd (patch) | |
| tree | 8265cf39b244db917b56f31bfbb0c1452c465e7d /drivers/idle | |
| parent | Merge branch 'intel_idle+snb' into idle-release (diff) | |
| download | linux-c25d29952b2a8c9aaf00e081c9162a0e383030cd.tar.xz linux-c25d29952b2a8c9aaf00e081c9162a0e383030cd.zip | |
intel_idle: do not use the LAPIC timer for ATOM C2
If we use the LAPIC timer during ATOM C2 on
some nvidia chisets, the system stalls.
https://bugzilla.kernel.org/show_bug.cgi?id=21032
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/idle')
| -rw-r--r-- | drivers/idle/intel_idle.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index d310590598f9..b68d594b8432 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -302,7 +302,7 @@ static int intel_idle_probe(void) case 0x1C: /* 28 - Atom Processor */ case 0x26: /* 38 - Lincroft Atom Processor */ - lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */ + lapic_timer_reliable_states = (1 << 1); /* C1 */ cpuidle_state_table = atom_cstates; break; |