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authorJakub Kicinski <kuba@kernel.org>2020-10-15 22:43:21 +0300
committerJakub Kicinski <kuba@kernel.org>2020-10-15 22:43:21 +0300
commit2295cddf99e3f7c2be2b1160e2f5e53cc35b09be (patch)
tree2c5a619c8aee5ef68028a65a1c059736b005846b /drivers/net/ethernet/freescale/fec_main.c
parent346e320cb2103edef709c4466a29140c4a8e527a (diff)
parent2ecbc1f684482b4ed52447a39903bd9b0f222898 (diff)
downloadlinux-2295cddf99e3f7c2be2b1160e2f5e53cc35b09be.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor conflicts in net/mptcp/protocol.h and tools/testing/selftests/net/Makefile. In both cases code was added on both sides in the same place so just keep both. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c35
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index c043afb38b6e..8f7eca1e7716 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1912,6 +1912,27 @@ out:
return ret;
}
+static void fec_enet_phy_reset_after_clk_enable(struct net_device *ndev)
+{
+ struct fec_enet_private *fep = netdev_priv(ndev);
+ struct phy_device *phy_dev = ndev->phydev;
+
+ if (phy_dev) {
+ phy_reset_after_clk_enable(phy_dev);
+ } else if (fep->phy_node) {
+ /*
+ * If the PHY still is not bound to the MAC, but there is
+ * OF PHY node and a matching PHY device instance already,
+ * use the OF PHY node to obtain the PHY device instance,
+ * and then use that PHY device instance when triggering
+ * the PHY reset.
+ */
+ phy_dev = of_phy_find_device(fep->phy_node);
+ phy_reset_after_clk_enable(phy_dev);
+ put_device(&phy_dev->mdio.dev);
+ }
+}
+
static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
{
struct fec_enet_private *fep = netdev_priv(ndev);
@@ -1938,7 +1959,7 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
if (ret)
goto failed_clk_ref;
- phy_reset_after_clk_enable(ndev->phydev);
+ fec_enet_phy_reset_after_clk_enable(ndev);
} else {
clk_disable_unprepare(fep->clk_enet_out);
if (fep->clk_ptp) {
@@ -2983,16 +3004,16 @@ fec_enet_open(struct net_device *ndev)
/* Init MAC prior to mii bus probe */
fec_restart(ndev);
- /* Probe and connect to PHY when open the interface */
- ret = fec_enet_mii_probe(ndev);
- if (ret)
- goto err_enet_mii_probe;
-
/* Call phy_reset_after_clk_enable() again if it failed during
* phy_reset_after_clk_enable() before because the PHY wasn't probed.
*/
if (reset_again)
- phy_reset_after_clk_enable(ndev->phydev);
+ fec_enet_phy_reset_after_clk_enable(ndev);
+
+ /* Probe and connect to PHY when open the interface */
+ ret = fec_enet_mii_probe(ndev);
+ if (ret)
+ goto err_enet_mii_probe;
if (fep->quirks & FEC_QUIRK_ERR006687)
imx6q_cpuidle_fec_irqs_used();