Add function for upper-layer to reset controller when all else fails. Signed-off-by: John Garry <john.ga...@huawei.com> Signed-off-by: Xiang Chen <chenxian...@hisilicon.com> --- drivers/scsi/hisi_sas/hisi_sas_main.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 3d63a24..f86263b 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1070,6 +1070,13 @@ static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun) return rc; } +static int hisi_sas_clear_nexus_ha(struct sas_ha_struct *sas_ha) +{ + struct hisi_hba *hisi_hba = sas_ha->lldd_ha; + + return hisi_sas_controller_reset(hisi_hba); +} + static int hisi_sas_query_task(struct sas_task *task) { struct scsi_lun lun; @@ -1368,6 +1375,7 @@ void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 old_state, .lldd_I_T_nexus_reset = hisi_sas_I_T_nexus_reset, .lldd_lu_reset = hisi_sas_lu_reset, .lldd_query_task = hisi_sas_query_task, + .lldd_clear_nexus_ha = hisi_sas_clear_nexus_ha, .lldd_port_formed = hisi_sas_port_formed, }; -- 1.9.1