diff options
| author | Vignesh R <vigneshr@ti.com> | 2018-03-07 14:50:08 +0530 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2018-03-17 03:19:08 +0100 |
| commit | 7d4e4d30631ba9350a18ab2243e749d583b402ab (patch) | |
| tree | 737ff1a19e00fc059ab66935c7ef8296ce2592bd /drivers/usb/host | |
| parent | 42637fdae833f8c3e8a0270ea7e74152cbd8ef38 (diff) | |
usb: xhci-dwc3: Power on USB PHY before using
It is wrong that expect .phy_init() to also power on the PHY. Therefore,
explicitly, call generic_phy_power_on() after generic_phy_power_init() in
order to power on PHY before using it.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/xhci-dwc3.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 258d1cd00a..cf1986bebd 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -137,6 +137,12 @@ static int xhci_dwc3_probe(struct udevice *dev) pr_err("Can't init USB PHY for %s\n", dev->name); return ret; } + + ret = generic_phy_power_on(&plat->usb_phy); + if (ret) { + pr_err("Can't power on USB PHY for %s\n", dev->name); + return ret; + } } dwc3_reg = (struct dwc3 *)((char *)(hccr) + DWC3_REG_OFFSET); @@ -159,6 +165,12 @@ static int xhci_dwc3_remove(struct udevice *dev) int ret; if (generic_phy_valid(&plat->usb_phy)) { + ret = generic_phy_power_off(&plat->usb_phy); + if (ret) { + pr_err("Can't poweroff USB PHY for %s\n", dev->name); + return ret; + } + ret = generic_phy_exit(&plat->usb_phy); if (ret) { pr_err("Can't deinit USB PHY for %s\n", dev->name); |