From 751d6fd18fb3c6cc123dce844200ddbf5a8ad1a8 Mon Sep 17 00:00:00 2001 From: Iyappan Subramanian Date: Thu, 6 Oct 2016 14:35:57 -0700 Subject: drivers: net: xgene: fix: Use GPIO to get link status The link value reported by the link status register is not reliable when no SPF module inserted. This patchset fixes this issue by using GPIO to determine the link status. Signed-off-by: Iyappan Subramanian Signed-off-by: Quan Nguyen Signed-off-by: David S. Miller --- drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/net/ethernet/apm/xgene/xgene_enet_main.c') diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 429f18fc5503..f75d9556152f 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -1381,9 +1381,13 @@ static void xgene_enet_gpiod_get(struct xgene_enet_pdata *pdata) { struct device *dev = &pdata->pdev->dev; - if (pdata->phy_mode != PHY_INTERFACE_MODE_XGMII) + pdata->sfp_gpio_en = false; + if (pdata->phy_mode != PHY_INTERFACE_MODE_XGMII || + (!device_property_present(dev, "sfp-gpios") && + !device_property_present(dev, "rxlos-gpios"))) return; + pdata->sfp_gpio_en = true; pdata->sfp_rdy = gpiod_get(dev, "rxlos", GPIOD_IN); if (IS_ERR(pdata->sfp_rdy)) pdata->sfp_rdy = gpiod_get(dev, "sfp", GPIOD_IN); -- cgit v1.2.3