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path: root/drivers/net/phy/mdio_device.c
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Diffstat (limited to 'drivers/net/phy/mdio_device.c')
-rw-r--r--drivers/net/phy/mdio_device.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/phy/mdio_device.c b/drivers/net/phy/mdio_device.c
index 044828d081..73f6539b9e 100644
--- a/drivers/net/phy/mdio_device.c
+++ b/drivers/net/phy/mdio_device.c
@@ -62,6 +62,7 @@ struct mdio_device *mdio_device_create(struct mii_bus *bus, int addr)
mdiodev->device_remove = mdio_device_remove;
mdiodev->bus = bus;
mdiodev->addr = addr;
+ mdiodev->reset_state = -1;
dev_set_name(&mdiodev->dev, PHY_ID_FMT, bus->id, addr);
@@ -122,6 +123,9 @@ void mdio_device_reset(struct mdio_device *mdiodev, int value)
if (!mdiodev->reset_gpio && !mdiodev->reset_ctrl)
return;
+ if (mdiodev->reset_state == value)
+ return;
+
if (mdiodev->reset_gpio)
gpiod_set_value_cansleep(mdiodev->reset_gpio, value);
@@ -135,6 +139,8 @@ void mdio_device_reset(struct mdio_device *mdiodev, int value)
d = value ? mdiodev->reset_assert_delay : mdiodev->reset_deassert_delay;
if (d)
fsleep(d);
+
+ mdiodev->reset_state = value;
}
EXPORT_SYMBOL(mdio_device_reset);