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authorDmitry Osipenko <digetx@gmail.com>2020-01-06 04:34:07 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-09 16:21:58 +0100
commit875417471e9c0c3bb311a007d99390d9f5339b81 (patch)
treee434be87e5b8ffbb5eef9ba10af9cbe64b141618
parentdea75ee6c98474c966bb12164cdebc1daddcd86b (diff)
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usb: phy: tegra: Use devm_otg_ulpi_create()
The resource-managed variant removes the necessity for the driver to care about freeing ULPI resources. Suggested-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Link: https://lore.kernel.org/r/20200106013416.9604-12-digetx@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/phy/phy-tegra-usb.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
index 5b9f031619c5..9adbcdf8d3a1 100644
--- a/drivers/usb/phy/phy-tegra-usb.c
+++ b/drivers/usb/phy/phy-tegra-usb.c
@@ -1100,6 +1100,7 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
enum usb_phy_interface phy_type;
struct reset_control *reset;
struct resource *res;
+ struct usb_phy *phy;
int err;
tegra_phy = devm_kzalloc(&pdev->dev, sizeof(*tegra_phy), GFP_KERNEL);
@@ -1200,12 +1201,14 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
return err;
}
- tegra_phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0);
- if (!tegra_phy->ulpi) {
+ phy = devm_otg_ulpi_create(&pdev->dev,
+ &ulpi_viewport_access_ops, 0);
+ if (!phy) {
dev_err(&pdev->dev, "Failed to create ULPI OTG\n");
return -ENOMEM;
}
+ tegra_phy->ulpi = phy;
tegra_phy->ulpi->io_priv = tegra_phy->regs + ULPI_VIEWPORT;
break;
@@ -1224,17 +1227,9 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
err = usb_add_phy_dev(&tegra_phy->u_phy);
if (err)
- goto free_ulpi;
+ return err;
return 0;
-
-free_ulpi:
- if (tegra_phy->ulpi) {
- kfree(tegra_phy->ulpi->otg);
- kfree(tegra_phy->ulpi);
- }
-
- return err;
}
static int tegra_usb_phy_remove(struct platform_device *pdev)
@@ -1243,11 +1238,6 @@ static int tegra_usb_phy_remove(struct platform_device *pdev)
usb_remove_phy(&tegra_phy->u_phy);
- if (tegra_phy->ulpi) {
- kfree(tegra_phy->ulpi->otg);
- kfree(tegra_phy->ulpi);
- }
-
return 0;
}