Commit 1d0a1a6d authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Paolo Abeni
Browse files

net: dsa: microchip: do not store max MTU for all ports 



If we have global MTU configuration, it is enough to configure it on CPU
port only.

Signed-off-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: default avatarVladimir Oltean <olteanv@gmail.com>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 838c19f8

drivers/net/dsa/microchip/ksz9477.c

+5 −9
Original line number Diff line number Diff line
@@ -45,19 +45,15 @@ static void ksz9477_port_cfg32(struct ksz_device *dev, int port, int offset, 


int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu)

{

	u16 frame_size, max_frame = 0;

	int i;



	frame_size = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;

	u16 frame_size;



	/* Cache the per-port MTU setting */

	dev->ports[port].max_frame = frame_size;

	if (!dsa_is_cpu_port(dev->ds, port))

		return 0;



	for (i = 0; i < dev->info->port_cnt; i++)

		max_frame = max(max_frame, dev->ports[i].max_frame);

	frame_size = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;



	return regmap_update_bits(dev->regmap[1], REG_SW_MTU__2,

				  REG_SW_MTU_MASK, max_frame);

				  REG_SW_MTU_MASK, frame_size);

}



static int ksz9477_wait_vlan_ctrl_ready(struct ksz_device *dev)

drivers/net/dsa/microchip/ksz_common.h

+0 −1
Original line number Diff line number Diff line
@@ -95,7 +95,6 @@ struct ksz_port { 


	struct ksz_port_mib mib;

	phy_interface_t interface;

	u16 max_frame;

	u32 rgmii_tx_val;

	u32 rgmii_rx_val;

	struct ksz_device *ksz_dev;