diff options
Diffstat (limited to 'arch/powerpc/kernel/eeh_pe.c')
| -rw-r--r-- | arch/powerpc/kernel/eeh_pe.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c index c96366758acf..ae75722c0583 100644 --- a/arch/powerpc/kernel/eeh_pe.c +++ b/arch/powerpc/kernel/eeh_pe.c @@ -482,6 +482,33 @@ int eeh_rmv_from_parent_pe(struct eeh_dev *edev, int purge_pe) } /** + * eeh_pe_update_time_stamp - Update PE's frozen time stamp + * @pe: EEH PE + * + * We have time stamp for each PE to trace its time of getting + * frozen in last hour. The function should be called to update + * the time stamp on first error of the specific PE. On the other + * handle, we needn't account for errors happened in last hour. + */ +void eeh_pe_update_time_stamp(struct eeh_pe *pe) +{ + struct timeval tstamp; + + if (!pe) return; + + if (pe->freeze_count <= 0) { + pe->freeze_count = 0; + do_gettimeofday(&pe->tstamp); + } else { + do_gettimeofday(&tstamp); + if (tstamp.tv_sec - pe->tstamp.tv_sec > 3600) { + pe->tstamp = tstamp; + pe->freeze_count = 0; + } + } +} + +/** * __eeh_pe_state_mark - Mark the state for the PE * @data: EEH PE * @flag: state |