From d70262ea0e36af4f7812e67108baa818592cde8f Mon Sep 17 00:00:00 2001 From: Jaedon Shin Date: Fri, 8 Jun 2018 15:10:15 +0900 Subject: phy: phy-brcm-usb-init: Fix power down USB 3.0 PHY when XHCI reenabled Unset is required to enable USB 3.0 PHY when XHCI reenabled in response to setting PHY3_IDDQ_OVERRIDE in uninit(). Fixes: cd6f769fdea7 ("phy: phy-brcm-usb-init: Power down USB 3.0 PHY when XHCI disabled") Signed-off-by: Jaedon Shin Signed-off-by: Kishon Vijay Abraham I --- drivers/phy/broadcom/phy-brcm-usb-init.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/phy') diff --git a/drivers/phy/broadcom/phy-brcm-usb-init.c b/drivers/phy/broadcom/phy-brcm-usb-init.c index 1b7febc43da9..29d2c3b1913a 100644 --- a/drivers/phy/broadcom/phy-brcm-usb-init.c +++ b/drivers/phy/broadcom/phy-brcm-usb-init.c @@ -962,6 +962,10 @@ void brcm_usb_init_xhci(struct brcm_usb_init_params *params) { void __iomem *ctrl = params->ctrl_regs; + USB_CTRL_UNSET(ctrl, USB30_PCTL, PHY3_IDDQ_OVERRIDE); + /* 1 millisecond - for USB clocks to settle down */ + usleep_range(1000, 2000); + if (BRCM_ID(params->family_id) == 0x7366) { /* * The PHY3_SOFT_RESETB bits default to the wrong state. -- cgit