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drivers: net: xgene: Implement the backward compatibility with the old and new firmware w.r.t Tx completion IRQ interrupt. 

This patch implements the backward compatibility with the old firmware where
the Tx completion IRQ interrupt was absent whereas incase of new firmware
the Tx completion IRQ interrupt is present.

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Suman Tripathi 2015-06-23 14:47:15 +05:30 committed by David S. Miller
parent 0738c54d63
commit 2c7be0ac56
1 changed files with 6 additions and 6 deletions
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12
drivers/net/ethernet/apm/xgene/xgene_enet_main.c
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@ -1024,11 +1024,13 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
if (pdata->phy_mode != PHY_INTERFACE_MODE_RGMII) {
ret = platform_get_irq(pdev, 1);
if (ret <= 0) {
dev_err(dev, "Unable to get ENET Tx completion IRQ\n");
ret = ret ? : -ENXIO;
return ret;
pdata->cq_cnt = 0;
dev_info(dev, "Unable to get Tx completion IRQ,"
"using Rx IRQ instead\n");
} else {
pdata->cq_cnt = XGENE_MAX_TXC_RINGS;
pdata->txc_irq = ret;
}
pdata->txc_irq = ret;
}
pdata->clk = devm_clk_get(&pdev->dev, NULL);
@ -1105,13 +1107,11 @@ static void xgene_enet_setup_ops(struct xgene_enet_pdata *pdata)
pdata->mac_ops = &xgene_sgmac_ops;
pdata->port_ops = &xgene_sgport_ops;
pdata->rm = RM1;
pdata->cq_cnt = XGENE_MAX_TXC_RINGS;
break;
default:
pdata->mac_ops = &xgene_xgmac_ops;
pdata->port_ops = &xgene_xgport_ops;
pdata->rm = RM0;
pdata->cq_cnt = XGENE_MAX_TXC_RINGS;
break;
}