diff options
Diffstat (limited to 'drivers/phy/ti/phy-dm816x-usb.c')
| -rw-r--r-- | drivers/phy/ti/phy-dm816x-usb.c | 58 |
1 files changed, 21 insertions, 37 deletions
diff --git a/drivers/phy/ti/phy-dm816x-usb.c b/drivers/phy/ti/phy-dm816x-usb.c index cbcce7cf0028..d274831b731c 100644 --- a/drivers/phy/ti/phy-dm816x-usb.c +++ b/drivers/phy/ti/phy-dm816x-usb.c @@ -1,13 +1,4 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/module.h> #include <linux/platform_device.h> @@ -22,7 +13,6 @@ #include <linux/pm_runtime.h> #include <linux/delay.h> #include <linux/phy/phy.h> -#include <linux/of_platform.h> #include <linux/mfd/syscon.h> @@ -82,17 +72,16 @@ static int dm816x_usb_phy_init(struct phy *x) { struct dm816x_usb_phy *phy = phy_get_drvdata(x); unsigned int val; - int error; if (clk_get_rate(phy->refclk) != 24000000) dev_warn(phy->dev, "nonstandard phy refclk\n"); /* Set PLL ref clock and put phys to sleep */ - error = regmap_update_bits(phy->syscon, phy->usb_ctrl, - DM816X_USB_CTRL_PHYCLKSRC | - DM816X_USB_CTRL_PHYSLEEP1 | - DM816X_USB_CTRL_PHYSLEEP0, - 0); + regmap_update_bits(phy->syscon, phy->usb_ctrl, + DM816X_USB_CTRL_PHYCLKSRC | + DM816X_USB_CTRL_PHYSLEEP1 | + DM816X_USB_CTRL_PHYSLEEP0, + 0); regmap_read(phy->syscon, phy->usb_ctrl, &val); if ((val & 3) != 0) dev_info(phy->dev, @@ -171,7 +160,6 @@ static UNIVERSAL_DEV_PM_OPS(dm816x_usb_phy_pm_ops, dm816x_usb_phy_runtime_resume, NULL); -#ifdef CONFIG_OF static const struct of_device_id dm816x_usb_phy_id_table[] = { { .compatible = "ti,dm8168-usb-phy", @@ -179,7 +167,6 @@ static const struct of_device_id dm816x_usb_phy_id_table[] = { {}, }; MODULE_DEVICE_TABLE(of, dm816x_usb_phy_id_table); -#endif static int dm816x_usb_phy_probe(struct platform_device *pdev) { @@ -188,15 +175,8 @@ static int dm816x_usb_phy_probe(struct platform_device *pdev) struct phy *generic_phy; struct phy_provider *phy_provider; struct usb_otg *otg; - const struct of_device_id *of_id; - const struct usb_phy_data *phy_data; int error; - of_id = of_match_device(of_match_ptr(dm816x_usb_phy_id_table), - &pdev->dev); - if (!of_id) - return -EINVAL; - phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL); if (!phy) return -ENOMEM; @@ -220,8 +200,6 @@ static int dm816x_usb_phy_probe(struct platform_device *pdev) if (phy->usbphy_ctrl == 0x2c) phy->instance = 1; - phy_data = of_id->data; - otg = devm_kzalloc(&pdev->dev, sizeof(*otg), GFP_KERNEL); if (!otg) return -ENOMEM; @@ -246,30 +224,37 @@ static int dm816x_usb_phy_probe(struct platform_device *pdev) pm_runtime_enable(phy->dev); generic_phy = devm_phy_create(phy->dev, NULL, &ops); - if (IS_ERR(generic_phy)) - return PTR_ERR(generic_phy); + if (IS_ERR(generic_phy)) { + error = PTR_ERR(generic_phy); + goto clk_unprepare; + } phy_set_drvdata(generic_phy, phy); phy_provider = devm_of_phy_provider_register(phy->dev, of_phy_simple_xlate); - if (IS_ERR(phy_provider)) - return PTR_ERR(phy_provider); + if (IS_ERR(phy_provider)) { + error = PTR_ERR(phy_provider); + goto clk_unprepare; + } usb_add_phy_dev(&phy->phy); return 0; + +clk_unprepare: + pm_runtime_disable(phy->dev); + clk_unprepare(phy->refclk); + return error; } -static int dm816x_usb_phy_remove(struct platform_device *pdev) +static void dm816x_usb_phy_remove(struct platform_device *pdev) { struct dm816x_usb_phy *phy = platform_get_drvdata(pdev); usb_remove_phy(&phy->phy); pm_runtime_disable(phy->dev); clk_unprepare(phy->refclk); - - return 0; } static struct platform_driver dm816x_usb_phy_driver = { @@ -278,13 +263,12 @@ static struct platform_driver dm816x_usb_phy_driver = { .driver = { .name = "dm816x-usb-phy", .pm = &dm816x_usb_phy_pm_ops, - .of_match_table = of_match_ptr(dm816x_usb_phy_id_table), + .of_match_table = dm816x_usb_phy_id_table, }, }; module_platform_driver(dm816x_usb_phy_driver); -MODULE_ALIAS("platform:dm816x_usb"); MODULE_AUTHOR("Tony Lindgren <tony@atomide.com>"); MODULE_DESCRIPTION("dm816x usb phy driver"); MODULE_LICENSE("GPL v2"); |