[PATCH net-next 3/6] net: ethernet: ti: am65-cpsw-nuss: fix ports mac sl initialization

From: Grygorii Strashko
Date: Fri Jun 26 2020 - 14:17:33 EST


The MAC SL has to be initialized for each port otherwise
am65_cpsw_nuss_slave_disable_unused() will crash for disabled ports.

Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
Not critical as current driver supports one port only.

drivers/net/ethernet/ti/am65-cpsw-nuss.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index 89ea29a26c3a..7a921a480f29 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -1768,6 +1768,10 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
common->cpsw_base + AM65_CPSW_NU_FRAM_BASE +
(AM65_CPSW_NU_FRAM_PORT_OFFSET * (port_id - 1));

+ port->slave.mac_sl = cpsw_sl_get("am65", dev, port->port_base);
+ if (IS_ERR(port->slave.mac_sl))
+ return PTR_ERR(port->slave.mac_sl);
+
port->disabled = !of_device_is_available(port_np);
if (port->disabled)
continue;
@@ -1811,10 +1815,6 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
return ret;
}

- port->slave.mac_sl = cpsw_sl_get("am65", dev, port->port_base);
- if (IS_ERR(port->slave.mac_sl))
- return PTR_ERR(port->slave.mac_sl);
-
mac_addr = of_get_mac_address(port_np);
if (!IS_ERR(mac_addr)) {
ether_addr_copy(port->slave.mac_addr, mac_addr);
--
2.17.1