scsi: hisi_sas: keep CHL_INT2 masked for v2 HW

None of the CHL_INT2 interrupts are serviced in the channel irq ISR, so
leave the interrupt source masked.  The interrupt mask is initially set
in init_reg_v2_hw().

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index e0c124b..25e7c58 100644 (file)
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -965,14 +965,8 @@ static void start_phys_v2_hw(unsigned long data)
 
 static void phys_init_v2_hw(struct hisi_hba *hisi_hba)
 {
-       int i;
        struct timer_list *timer = &hisi_hba->timer;
 
-       for (i = 0; i < hisi_hba->n_phy; i++) {
-               hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x6a);
-               hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK);
-       }
-
        setup_timer(timer, start_phys_v2_hw, (unsigned long)hisi_hba);
        mod_timer(timer, jiffies + HZ);
 }