Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[cascardo/linux.git] / drivers / net / ethernet / hisilicon / hns / hns_dsaf_rcb.c

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
index ef11077..f0ed80d 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
@@ -543,6 +543,22 @@ int hns_rcb_set_coalesce_usecs(
                        "error: coalesce_usecs setting supports 0~1023us\n");
                return -EINVAL;
        }
+
+       if (!AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver)) {
+               if (timeout == 0)
+                       /* set timeout to 0, Disable gap time */
+                       dsaf_set_reg_field(rcb_common->io_base,
+                                          RCB_INT_GAP_TIME_REG + port_idx * 4,
+                                          PPE_INT_GAPTIME_M, PPE_INT_GAPTIME_B,
+                                          0);
+               else
+                       /* set timeout non 0, restore gap time to 1 */
+                       dsaf_set_reg_field(rcb_common->io_base,
+                                          RCB_INT_GAP_TIME_REG + port_idx * 4,
+                                          PPE_INT_GAPTIME_M, PPE_INT_GAPTIME_B,
+                                          1);
+       }
+
        hns_rcb_set_port_timeout(rcb_common, port_idx, timeout);
        return 0;
 }