Commit c25d29952b2a8c9aaf00e081c9162a0e383030cd
1 parent
00527cc6bb
Exists in
master
and in
4 other branches
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>
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
drivers/idle/intel_idle.c
| ... | ... | @@ -302,7 +302,7 @@ |
| 302 | 302 | |
| 303 | 303 | case 0x1C: /* 28 - Atom Processor */ |
| 304 | 304 | case 0x26: /* 38 - Lincroft Atom Processor */ |
| 305 | - lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */ | |
| 305 | + lapic_timer_reliable_states = (1 << 1); /* C1 */ | |
| 306 | 306 | cpuidle_state_table = atom_cstates; |
| 307 | 307 | break; |
| 308 | 308 |