diff options
| -rw-r--r-- | drivers/phy/allwinner/phy-sun4i-usb.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c index bbf06cfe5898..3bea17b9405a 100644 --- a/drivers/phy/allwinner/phy-sun4i-usb.c +++ b/drivers/phy/allwinner/phy-sun4i-usb.c @@ -653,19 +653,25 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev) data->id_det_gpio = devm_gpiod_get_optional(dev, "usb0_id_det", GPIOD_IN); - if (IS_ERR(data->id_det_gpio)) + if (IS_ERR(data->id_det_gpio)) { + dev_err(dev, "Couldn't request ID GPIO\n"); return PTR_ERR(data->id_det_gpio); + } data->vbus_det_gpio = devm_gpiod_get_optional(dev, "usb0_vbus_det", GPIOD_IN); - if (IS_ERR(data->vbus_det_gpio)) + if (IS_ERR(data->vbus_det_gpio)) { + dev_err(dev, "Couldn't request VBUS detect GPIO\n"); return PTR_ERR(data->vbus_det_gpio); + } if (of_find_property(np, "usb0_vbus_power-supply", NULL)) { data->vbus_power_supply = devm_power_supply_get_by_phandle(dev, "usb0_vbus_power-supply"); - if (IS_ERR(data->vbus_power_supply)) + if (IS_ERR(data->vbus_power_supply)) { + dev_err(dev, "Couldn't get the VBUS power supply\n"); return PTR_ERR(data->vbus_power_supply); + } if (!data->vbus_power_supply) return -EPROBE_DEFER; @@ -674,8 +680,10 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev) data->dr_mode = of_usb_get_dr_mode_by_phy(np, 0); data->extcon = devm_extcon_dev_allocate(dev, sun4i_usb_phy0_cable); - if (IS_ERR(data->extcon)) + if (IS_ERR(data->extcon)) { + dev_err(dev, "Couldn't allocate our extcon device\n"); return PTR_ERR(data->extcon); + } ret = devm_extcon_dev_register(dev, data->extcon); if (ret) { @@ -690,8 +698,13 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev) snprintf(name, sizeof(name), "usb%d_vbus", i); phy->vbus = devm_regulator_get_optional(dev, name); if (IS_ERR(phy->vbus)) { - if (PTR_ERR(phy->vbus) == -EPROBE_DEFER) + if (PTR_ERR(phy->vbus) == -EPROBE_DEFER) { + dev_err(dev, + "Couldn't get regulator %s... Deferring probe\n", + name); return -EPROBE_DEFER; + } + phy->vbus = NULL; } @@ -775,6 +788,8 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev) return PTR_ERR(phy_provider); } + dev_dbg(dev, "successfully loaded\n"); + return 0; } |