Commit 4f1c8d81 authored by Iyappan Subramanian's avatar Iyappan Subramanian Committed by David S. Miller
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drivers: net: xgene: Change port init sequence 



This patch rearranges the port initialization sequence as recommended by
hardware specification.  This patch also removes, mac_init() call from
xgene_enet_link_state(), as it was not required.

Signed-off-by: default avatarIyappan Subramanian <isubramanian@apm.com>
Tested-by: default avatarFushen Chen <fchen@apm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 29b4eafb

drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c

+2 −3
Original line number Diff line number Diff line
@@ -216,12 +216,12 @@ static void xgene_xgmac_init(struct xgene_enet_pdata *pdata) 
	data |= CFG_RSIF_FPBUFF_TIMEOUT_EN;

	xgene_enet_wr_csr(pdata, XG_RSIF_CONFIG_REG_ADDR, data);



	xgene_enet_wr_csr(pdata, XG_CFG_BYPASS_ADDR, RESUME_TX);

	xgene_enet_wr_csr(pdata, XGENET_RX_DV_GATE_REG_0_ADDR, 0);

	xgene_enet_rd_csr(pdata, XG_ENET_SPARE_CFG_REG_ADDR, &data);

	data |= BIT(12);

	xgene_enet_wr_csr(pdata, XG_ENET_SPARE_CFG_REG_ADDR, data);

	xgene_enet_wr_csr(pdata, XG_ENET_SPARE_CFG_REG_1_ADDR, 0x82);

	xgene_enet_wr_csr(pdata, XGENET_RX_DV_GATE_REG_0_ADDR, 0);

	xgene_enet_wr_csr(pdata, XG_CFG_BYPASS_ADDR, RESUME_TX);

}



static void xgene_xgmac_rx_enable(struct xgene_enet_pdata *pdata)
@@ -366,7 +366,6 @@ static void xgene_enet_link_state(struct work_struct *work) 
	if (link_status) {

		if (!netif_carrier_ok(ndev)) {

			netif_carrier_on(ndev);

			xgene_xgmac_init(pdata);

			xgene_xgmac_rx_enable(pdata);

			xgene_xgmac_tx_enable(pdata);

			netdev_info(ndev, "Link is Up - 10Gbps\n");

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