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-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.c6
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.h1
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c19
3 files changed, 23 insertions, 3 deletions
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);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
index 0cda58f5a840..011965b54d1f 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
@@ -219,6 +219,7 @@ struct xgene_enet_pdata {
u8 rx_delay;
bool mdio_driver;
struct gpio_desc *sfp_rdy;
+ bool sfp_gpio_en;
};
struct xgene_indirect_ctl {
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
index 6475f383ba83..d1758b072623 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
@@ -415,16 +415,31 @@ static void xgene_enet_clear(struct xgene_enet_pdata *pdata,
xgene_enet_wr_ring_if(pdata, addr, data);
}
+static int xgene_enet_gpio_lookup(struct xgene_enet_pdata *pdata)
+{
+ struct device *dev = &pdata->pdev->dev;
+
+ pdata->sfp_rdy = gpiod_get(dev, "rxlos", GPIOD_IN);
+ if (IS_ERR(pdata->sfp_rdy))
+ pdata->sfp_rdy = gpiod_get(dev, "sfp", GPIOD_IN);
+
+ if (IS_ERR(pdata->sfp_rdy))
+ return -ENODEV;
+
+ return 0;
+}
+
static void xgene_enet_link_state(struct work_struct *work)
{
struct xgene_enet_pdata *pdata = container_of(to_delayed_work(work),
struct xgene_enet_pdata, link_work);
- struct gpio_desc *sfp_rdy = pdata->sfp_rdy;
struct net_device *ndev = pdata->ndev;
u32 link_status, poll_interval;
link_status = xgene_enet_link_status(pdata);
- if (link_status && !IS_ERR(sfp_rdy) && !gpiod_get_value(sfp_rdy))
+ if (pdata->sfp_gpio_en && link_status &&
+ (!IS_ERR(pdata->sfp_rdy) || !xgene_enet_gpio_lookup(pdata)) &&
+ !gpiod_get_value(pdata->sfp_rdy))
link_status = 0;
if (link_status) {