Commit fbbe98cd authored Jun 02, 2017 by William Wu Committed by Kishon Vijay Abraham I Jun 06, 2017

phy: rockchip-inno-usb2: add a delay after phy resume



When resume phy, it need about 1.5 ~ 2ms to wait for
utmi_clk which used for USB controller to become stable.

Signed-off-by: William Wu <william.wu@rock-chips.com>
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

parent 6d6ce40f

drivers/phy/rockchip/phy-rockchip-inno-usb2.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -463,6 +463,9 @@ static int rockchip_usb2phy_power_on(struct phy *phy)
		if (ret)
		return ret;

		/* waiting for the utmi_clk to become stable */
		usleep_range(1500, 2000);

		rport->suspended = false;
		return 0;
		}