From 9df3adca0b4a96250db5826168fc022b2923272f Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 6 Jan 2020 04:34:05 +0300 Subject: [PATCH] usb: phy: tegra: Use generic stub for a missing VBUS regulator Regulator core provides dummy regulator if device-tree doesn't define VBUS regulator. Signed-off-by: Dmitry Osipenko Link: https://lore.kernel.org/r/20200106013416.9604-10-digetx@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/phy/phy-tegra-usb.c | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-) diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c index 268b9d9..5b9f031 100644 --- a/drivers/usb/phy/phy-tegra-usb.c +++ b/drivers/usb/phy/phy-tegra-usb.c @@ -836,9 +836,7 @@ static void tegra_usb_phy_shutdown(struct usb_phy *u_phy) if (!phy->is_ulpi_phy) utmip_pad_close(phy); - if (!IS_ERR(phy->vbus)) - regulator_disable(phy->vbus); - + regulator_disable(phy->vbus); clk_disable_unprepare(phy->pll_u); phy->freq = NULL; @@ -900,14 +898,11 @@ static int tegra_usb_phy_init(struct usb_phy *u_phy) goto fail; } - if (!IS_ERR(phy->vbus)) { - err = regulator_enable(phy->vbus); - if (err) { - dev_err(phy->u_phy.dev, - "Failed to enable USB VBUS regulator: %d\n", - err); - goto fail; - } + err = regulator_enable(phy->vbus); + if (err) { + dev_err(phy->u_phy.dev, + "Failed to enable USB VBUS regulator: %d\n", err); + goto fail; } if (phy->is_ulpi_phy) @@ -1140,14 +1135,9 @@ static int tegra_usb_phy_probe(struct platform_device *pdev) } /* On some boards, the VBUS regulator doesn't need to be controlled */ - if (of_find_property(np, "vbus-supply", NULL)) { - tegra_phy->vbus = devm_regulator_get(&pdev->dev, "vbus"); - if (IS_ERR(tegra_phy->vbus)) - return PTR_ERR(tegra_phy->vbus); - } else { - dev_notice(&pdev->dev, "no vbus regulator"); - tegra_phy->vbus = ERR_PTR(-ENODEV); - } + tegra_phy->vbus = devm_regulator_get(&pdev->dev, "vbus"); + if (IS_ERR(tegra_phy->vbus)) + return PTR_ERR(tegra_phy->vbus); tegra_phy->pll_u = devm_clk_get(&pdev->dev, "pll_u"); err = PTR_ERR_OR_ZERO(tegra_phy->pll_u); -- 2.7.4