diff options
| author | Otavio Salvador <otavio@ossystems.com.br> | 2020-05-20 08:43:03 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-20 08:43:03 -0300 |
| commit | 1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch) | |
| tree | df6b1a190760f51465122ca4c13492d5ac5984c6 /drivers/scsi/pm8001/pm8001_hwi.c | |
| parent | 0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff) | |
| parent | 2ae782ca839e0ee07de37122ddea362adff2e975 (diff) | |
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_hwi.c')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_hwi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 10546faac58c..f374abfb7f1f 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1479,6 +1479,12 @@ u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha, } else { u32 producer_index; void *pi_virt = circularQ->pi_virt; + /* spurious interrupt during setup if + * kexec-ing and driver doing a doorbell access + * with the pre-kexec oq interrupt setup + */ + if (!pi_virt) + break; /* Update the producer index from SPC */ producer_index = pm8001_read_32(pi_virt); circularQ->producer_index = cpu_to_le32(producer_index); |