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net: phy: delay only if reset handler is registered

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With commit e3a77218a2 the MII bus is only
reset if a reset handler is registered. If there is no reset handler there
is no need to wait for a device to come out of the reset.

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
This commit is contained in:
Jörg Krause 2015-07-15 15:18:22 +02:00 • committed by Joe Hershberger
parent 2c171a2a5f
commit 59370f3fcd
1 changed files with 5 additions and 3 deletions
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8
drivers/net/phy/phy.c
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@ -763,11 +763,13 @@ struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask,
phy_interface_t interface) phy_interface_t interface)
{ {
/* Reset the bus */ /* Reset the bus */
if (bus->reset) if (bus->reset) {
bus->reset(bus); bus->reset(bus);
/* Wait 15ms to make sure the PHY has come out of hard reset */ /* Wait 15ms to make sure the PHY has come out of hard reset */
udelay(15000); udelay(15000);
}
return get_phy_device_by_mask(bus, phy_mask, interface); return get_phy_device_by_mask(bus, phy_mask, interface);
} }