From: Dmitry Osipenko <digetx@gmail.com>
To: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Peter Chen" <Peter.Chen@nxp.com>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Jonathan Hunter" <jonathanh@nvidia.com>,
"Felipe Balbi" <balbi@kernel.org>,
"Michał Mirosław" <mirq-linux@rere.qmqm.pl>
Cc: linux-usb@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v4 14/20] usb: phy: tegra: Disable VBUS regulator on tegra_usb_phy_init failure
Date: Mon, 6 Jan 2020 04:34:10 +0300 [thread overview]
Message-ID: <20200106013416.9604-15-digetx@gmail.com> (raw)
In-Reply-To: <20200106013416.9604-1-digetx@gmail.com>
VBUS regulator should be turned off in a case of error.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/usb/phy/phy-tegra-usb.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
index c431968d0433..90b42e963a1e 100644
--- a/drivers/usb/phy/phy-tegra-usb.c
+++ b/drivers/usb/phy/phy-tegra-usb.c
@@ -864,20 +864,20 @@ static int tegra_usb_phy_init(struct usb_phy *u_phy)
dev_err(phy->u_phy.dev, "Invalid pll_u parent rate %ld\n",
parent_rate);
err = -EINVAL;
- goto fail;
+ goto disable_clk;
}
err = regulator_enable(phy->vbus);
if (err) {
dev_err(phy->u_phy.dev,
"Failed to enable USB VBUS regulator: %d\n", err);
- goto fail;
+ goto disable_clk;
}
if (!phy->is_ulpi_phy) {
err = utmip_pad_open(phy);
if (err)
- goto fail;
+ goto disable_vbus;
}
err = tegra_usb_phy_power_on(phy);
@@ -889,7 +889,11 @@ static int tegra_usb_phy_init(struct usb_phy *u_phy)
close_phy:
if (!phy->is_ulpi_phy)
utmip_pad_close(phy);
-fail:
+
+disable_vbus:
+ regulator_disable(phy->vbus);
+
+disable_clk:
clk_disable_unprepare(phy->pll_u);
phy->freq = NULL;
--
2.24.0
next prev parent reply other threads:[~2020-01-06 1:35 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-06 1:33 [PATCH v4 00/20] NVIDIA Tegra USB2 drivers clean up Dmitry Osipenko
2020-01-06 1:33 ` [PATCH v4 01/20] dt-binding: usb: ci-hdrc-usb2: Document NVIDIA Tegra support Dmitry Osipenko
2020-01-06 1:33 ` [PATCH v4 02/20] usb: host: ehci-tegra: Correct teardown order of driver's removal Dmitry Osipenko
2020-01-06 1:33 ` [PATCH v4 03/20] usb: phy: tegra: Clean up ulpi_phy_power_off Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 04/20] usb: phy: tegra: Keep track of power on-off state Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 05/20] usb: phy: tegra: Hook up init/shutdown callbacks Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 06/20] usb: phy: tegra: Perform general clean up of the code Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 07/20] usb: phy: tegra: Clean up included headers Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 08/20] usb: phy: tegra: Use relaxed versions of readl/writel Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 09/20] usb: phy: tegra: Use generic stub for a missing VBUS regulator Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 10/20] usb: ulpi: Add resource-managed variant of otg_ulpi_create() Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 11/20] usb: phy: tegra: Use devm_otg_ulpi_create() Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 12/20] usb: phy: tegra: Use u32 for hardware register variables Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 13/20] usb: phy: tegra: Use device-tree notion of reset-GPIO's active-state Dmitry Osipenko
2020-01-06 1:34 ` Dmitry Osipenko [this message]
2020-01-06 1:34 ` [PATCH v4 15/20] usb: phy: tegra: Move utmip_pad_count checking under lock Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 16/20] usb: phy: tegra: Keep CPU interrupts enabled Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 17/20] usb: chipidea: tegra: Stop managing PHY's power Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 18/20] usb: chipidea: tegra: Add USB_TEGRA_PHY to driver's dependencies Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 19/20] usb: host: ehci-tegra: Stop managing PHY's power Dmitry Osipenko
2020-01-06 1:34 ` [PATCH v4 20/20] usb: host: ehci-tegra: Remove unused fields from tegra_ehci_hcd Dmitry Osipenko
2020-01-06 15:16 ` Alan Stern
2020-01-07 16:13 ` Dmitry Osipenko
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