diff options
| author | Len Brown <len.brown@intel.com> | 2010-10-23 23:25:53 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-11-22 10:59:46 -0800 |
| commit | db11393d79684afc15b3d3d52a1664171180c350 (patch) | |
| tree | 216906f0e6ce3f63277321657f28862d29e3d753 /drivers | |
| parent | 4fc910677fa95f03bd8431d21766ba9d7d967fa0 (diff) | |
intel_idle: do not use the LAPIC timer for ATOM C2
commit c25d29952b2a8c9aaf00e081c9162a0e383030cd upstream.
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>
Cc: Tom Gundersen <teg@jklm.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rwxr-xr-x | 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 54f0fb4cd5d2..ae48da953834 100755 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -308,7 +308,7 @@ static int intel_idle_probe(void) break; case 0x1C: /* 28 - Atom Processor */ - lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */ + lapic_timer_reliable_states = (1 << 1); /* C1 */ cpuidle_state_table = atom_cstates; choose_substate = choose_zero_substate; break; |