diff options
Diffstat (limited to 'drivers/usb/dwc2/platform.c')
| -rw-r--r-- | drivers/usb/dwc2/platform.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index c0b64d483552..e98d7812da2d 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -230,9 +230,6 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg) reset_control_deassert(hsotg->reset_ecc); - /* Set default UTMI width */ - hsotg->phyif = GUSBCFG_PHYIF16; - /* * Attempt to find a generic PHY, then look for an old style * USB PHY and then fall back to pdata @@ -274,20 +271,11 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg) hsotg->plat = dev_get_platdata(hsotg->dev); - if (hsotg->phy) { - /* - * If using the generic PHY framework, check if the PHY bus - * width is 8-bit and set the phyif appropriately. - */ - if (phy_get_bus_width(hsotg->phy) == 8) - hsotg->phyif = GUSBCFG_PHYIF8; - } - /* Clock */ - hsotg->clk = devm_clk_get(hsotg->dev, "otg"); + hsotg->clk = devm_clk_get_optional(hsotg->dev, "otg"); if (IS_ERR(hsotg->clk)) { - hsotg->clk = NULL; - dev_dbg(hsotg->dev, "cannot get otg clock\n"); + dev_err(hsotg->dev, "cannot get otg clock\n"); + return PTR_ERR(hsotg->clk); } /* Regulators */ @@ -481,6 +469,15 @@ static int dwc2_driver_probe(struct platform_device *dev) hsotg->gadget_enabled = 1; } + hsotg->reset_phy_on_wake = + of_property_read_bool(dev->dev.of_node, + "snps,reset-phy-on-wake"); + if (hsotg->reset_phy_on_wake && !hsotg->phy) { + dev_warn(hsotg->dev, + "Quirk reset-phy-on-wake only supports generic PHYs\n"); + hsotg->reset_phy_on_wake = false; + } + if (hsotg->dr_mode != USB_DR_MODE_PERIPHERAL) { retval = dwc2_hcd_init(hsotg); if (retval) { |