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-rw-r--r--drivers/net/ethernet/freescale/fec.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
index f174070646f..dafd797a606 100644
--- a/drivers/net/ethernet/freescale/fec.c
+++ b/drivers/net/ethernet/freescale/fec.c
@@ -1507,11 +1507,17 @@ static int __devinit fec_get_phy_mode_dt(struct platform_device *pdev)
static void __devinit fec_reset_phy(struct platform_device *pdev)
{
int err, phy_reset;
+ int msec = 1;
struct device_node *np = pdev->dev.of_node;
if (!np)
return;
+ of_property_read_u32(np, "phy-reset-duration", &msec);
+ /* A sane reset duration should not be longer than 1s */
+ if (msec > 1000)
+ msec = 1;
+
phy_reset = of_get_named_gpio(np, "phy-reset-gpios", 0);
err = devm_gpio_request_one(&pdev->dev, phy_reset,
GPIOF_OUT_INIT_LOW, "phy-reset");
@@ -1519,7 +1525,7 @@ static void __devinit fec_reset_phy(struct platform_device *pdev)
pr_debug("FEC: failed to get gpio phy-reset: %d\n", err);
return;
}
- msleep(1);
+ msleep(msec);
gpio_set_value(phy_reset, 1);
}
#else /* CONFIG_OF */