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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: cd6f769fde ("phy: phy-brcm-usb-init: Power down USB 3.0 PHY when XHCI disabled")
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
hifive-unleashed-5.1
Jaedon Shin 2018-06-08 15:10:15 +09:00 committed by Kishon Vijay Abraham I
parent ce397d215c
commit d70262ea0e
1 changed files with 4 additions and 0 deletions
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4
drivers/phy/broadcom/phy-brcm-usb-init.c
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@ -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.