Commit 7a1468ba authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

net: phy: broadcom: Add power down exit reset state delay 



Per the datasheet, when we clear the power down bit, the PHY remains in
an internal reset state for 40us and then resume normal operation.
Account for that delay to avoid any issues in the future if
genphy_resume() changes.

Fixes: fe26821f ("net: phy: broadcom: Wire suspend/resume for BCM54810")
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a9f81244

drivers/net/phy/broadcom.c

+5 −0
Original line number Diff line number Diff line
@@ -399,6 +399,11 @@ static int bcm54xx_resume(struct phy_device *phydev) 
	if (ret < 0)

		return ret;



	/* Upon exiting power down, the PHY remains in an internal reset state

	 * for 40us

	 */

	fsleep(40);



	return bcm54xx_config_init(phydev);

}