diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/fec_imx.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c index 8cf7c4fbda..d506fd64f1 100644 --- a/drivers/net/fec_imx.c +++ b/drivers/net/fec_imx.c @@ -743,7 +743,7 @@ static int fec_probe(struct device_d *dev) int ret; enum fec_type type; int phy_reset; - u32 msec = 1; + u32 msec = 1, phy_post_delay = 0; u64 start; ret = dev_get_drvdata(dev, (const void **)&type); @@ -781,6 +781,11 @@ static int fec_probe(struct device_d *dev) phy_reset = of_get_named_gpio(dev->device_node, "phy-reset-gpios", 0); if (gpio_is_valid(phy_reset)) { of_property_read_u32(dev->device_node, "phy-reset-duration", &msec); + of_property_read_u32(dev->device_node, "phy-reset-post-delay", + &phy_post_delay); + /* valid reset duration should be less than 1s */ + if (phy_post_delay > 1000) + goto release_res; ret = gpio_request(phy_reset, "phy-reset"); if (ret) @@ -792,6 +797,9 @@ static int fec_probe(struct device_d *dev) mdelay(msec); gpio_set_value(phy_reset, 1); + + if (phy_post_delay) + mdelay(phy_post_delay); } /* Reset chip. */ |