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path: root/drivers/net/ethernet/freescale/fec_main.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index a74300a4459c..7a7f3a42b2aa 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -195,7 +195,8 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address");
* account when setting it.
*/
#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
- defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARM)
+ defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARM) || \
+ defined(CONFIG_ARM64)
#define OPT_FRAME_SIZE (PKT_MAXBUF_SIZE << 16)
#else
#define OPT_FRAME_SIZE 0
@@ -1868,6 +1869,8 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
ret = clk_prepare_enable(fep->clk_ref);
if (ret)
goto failed_clk_ref;
+
+ phy_reset_after_clk_enable(ndev->phydev);
} else {
clk_disable_unprepare(fep->clk_ahb);
clk_disable_unprepare(fep->clk_enet_out);
@@ -2107,7 +2110,8 @@ static int fec_enet_get_regs_len(struct net_device *ndev)
/* List of registers that can be safety be read to dump them with ethtool */
#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
- defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARM)
+ defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARM) || \
+ defined(CONFIG_ARM64)
static u32 fec_enet_register_offset[] = {
FEC_IEVENT, FEC_IMASK, FEC_R_DES_ACTIVE_0, FEC_X_DES_ACTIVE_0,
FEC_ECNTRL, FEC_MII_DATA, FEC_MII_SPEED, FEC_MIB_CTRLSTAT, FEC_R_CNTRL,
@@ -2840,6 +2844,7 @@ fec_enet_open(struct net_device *ndev)
{
struct fec_enet_private *fep = netdev_priv(ndev);
int ret;
+ bool reset_again;
ret = pm_runtime_get_sync(&fep->pdev->dev);
if (ret < 0)
@@ -2850,6 +2855,17 @@ fec_enet_open(struct net_device *ndev)
if (ret)
goto clk_enable;
+ /* During the first fec_enet_open call the PHY isn't probed at this
+ * point. Therefore the phy_reset_after_clk_enable() call within
+ * fec_enet_clk_enable() fails. As we need this reset in order to be
+ * sure the PHY is working correctly we check if we need to reset again
+ * later when the PHY is probed
+ */
+ if (ndev->phydev && ndev->phydev->drv)
+ reset_again = false;
+ else
+ reset_again = true;
+
/* I should reset the ring buffers here, but I don't yet know
* a simple way to do that.
*/
@@ -2866,6 +2882,12 @@ fec_enet_open(struct net_device *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);
+
if (fep->quirks & FEC_QUIRK_ERR006687)
imx6q_cpuidle_fec_irqs_used();
@@ -3119,7 +3141,7 @@ static int fec_enet_init(struct net_device *ndev)
unsigned dsize_log2 = __fls(dsize);
WARN_ON(dsize != (1 << dsize_log2));
-#if defined(CONFIG_ARM)
+#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
fep->rx_align = 0xf;
fep->tx_align = 0xf;
#else