diff options
Diffstat (limited to 'drivers/phy/phy-lpc18xx-usb-otg.c')
| -rw-r--r-- | drivers/phy/phy-lpc18xx-usb-otg.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/phy/phy-lpc18xx-usb-otg.c b/drivers/phy/phy-lpc18xx-usb-otg.c index 3b7a71eb5b7e..f905d3c64584 100644 --- a/drivers/phy/phy-lpc18xx-usb-otg.c +++ b/drivers/phy/phy-lpc18xx-usb-otg.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * PHY driver for NXP LPC18xx/43xx internal USB OTG PHY * * Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/clk.h> @@ -60,8 +56,14 @@ static int lpc18xx_usb_otg_phy_power_on(struct phy *phy) return ret; /* The bit in CREG is cleared to enable the PHY */ - return regmap_update_bits(lpc->reg, LPC18XX_CREG_CREG0, + ret = regmap_update_bits(lpc->reg, LPC18XX_CREG_CREG0, LPC18XX_CREG_CREG0_USB0PHY, 0); + if (ret) { + clk_disable(lpc->clk); + return ret; + } + + return 0; } static int lpc18xx_usb_otg_phy_power_off(struct phy *phy) |