From: Grygorii Strashko <grygorii.strashko@ti.com>
Date: Tue, 19 Nov 2019 22:19:13 +0000 (+0200)
Subject: net: ethernet: ti: ale: clean ale tbl on init and intf restart
X-Git-Tag: v5.5-rc1~174^2~59^2~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fe579dfb90fcdf0c7722f33c772d5f0d1bc7cb6;p=thirdparty%2Fkernel%2Flinux.git

net: ethernet: ti: ale: clean ale tbl on init and intf restart

Clean CPSW ALE on init and intf restart (up/down) to avoid reading obsolete
or garbage entries from ALE table.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 84025dcc78d59..e7c24396933e9 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -779,6 +779,7 @@ void cpsw_ale_start(struct cpsw_ale *ale)
 void cpsw_ale_stop(struct cpsw_ale *ale)
 {
 	del_timer_sync(&ale->timer);
+	cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1);
 	cpsw_ale_control_set(ale, 0, ALE_ENABLE, 0);
 }
 
@@ -862,6 +863,7 @@ struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params)
 					ALE_UNKNOWNVLAN_FORCE_UNTAG_EGRESS;
 	}
 
+	cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1);
 	return ale;
 }