diff options
Diffstat (limited to 'drivers/power/supply/da9150-charger.c')
| -rw-r--r-- | drivers/power/supply/da9150-charger.c | 94 |
1 files changed, 23 insertions, 71 deletions
diff --git a/drivers/power/supply/da9150-charger.c b/drivers/power/supply/da9150-charger.c index 60099815296e..27f36ef5b88d 100644 --- a/drivers/power/supply/da9150-charger.c +++ b/drivers/power/supply/da9150-charger.c @@ -1,22 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * DA9150 Charger Driver * * Copyright (c) 2014 Dialog Semiconductor * * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> - * - * 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; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/of.h> -#include <linux/of_platform.h> #include <linux/interrupt.h> #include <linux/power_supply.h> #include <linux/notifier.h> @@ -470,10 +464,8 @@ static int da9150_charger_register_irq(struct platform_device *pdev, int irq, ret; irq = platform_get_irq_byname(pdev, irq_name); - if (irq < 0) { - dev_err(dev, "Failed to get IRQ CHG_STATUS: %d\n", irq); + if (irq < 0) return irq; - } ret = request_threaded_irq(irq, NULL, handler, IRQF_ONESHOT, irq_name, charger); @@ -486,15 +478,12 @@ static int da9150_charger_register_irq(struct platform_device *pdev, static void da9150_charger_unregister_irq(struct platform_device *pdev, const char *irq_name) { - struct device *dev = &pdev->dev; struct da9150_charger *charger = platform_get_drvdata(pdev); int irq; irq = platform_get_irq_byname(pdev, irq_name); - if (irq < 0) { - dev_err(dev, "Failed to get IRQ CHG_STATUS: %d\n", irq); + if (irq < 0) return; - } free_irq(irq, charger); } @@ -532,42 +521,30 @@ static int da9150_charger_probe(struct platform_device *pdev) charger->dev = dev; /* Acquire ADC channels */ - charger->ibus_chan = iio_channel_get(dev, "CHAN_IBUS"); - if (IS_ERR(charger->ibus_chan)) { - ret = PTR_ERR(charger->ibus_chan); - goto ibus_chan_fail; - } + charger->ibus_chan = devm_iio_channel_get(dev, "CHAN_IBUS"); + if (IS_ERR(charger->ibus_chan)) + return PTR_ERR(charger->ibus_chan); - charger->vbus_chan = iio_channel_get(dev, "CHAN_VBUS"); - if (IS_ERR(charger->vbus_chan)) { - ret = PTR_ERR(charger->vbus_chan); - goto vbus_chan_fail; - } + charger->vbus_chan = devm_iio_channel_get(dev, "CHAN_VBUS"); + if (IS_ERR(charger->vbus_chan)) + return PTR_ERR(charger->vbus_chan); - charger->tjunc_chan = iio_channel_get(dev, "CHAN_TJUNC"); - if (IS_ERR(charger->tjunc_chan)) { - ret = PTR_ERR(charger->tjunc_chan); - goto tjunc_chan_fail; - } + charger->tjunc_chan = devm_iio_channel_get(dev, "CHAN_TJUNC"); + if (IS_ERR(charger->tjunc_chan)) + return PTR_ERR(charger->tjunc_chan); - charger->vbat_chan = iio_channel_get(dev, "CHAN_VBAT"); - if (IS_ERR(charger->vbat_chan)) { - ret = PTR_ERR(charger->vbat_chan); - goto vbat_chan_fail; - } + charger->vbat_chan = devm_iio_channel_get(dev, "CHAN_VBAT"); + if (IS_ERR(charger->vbat_chan)) + return PTR_ERR(charger->vbat_chan); /* Register power supplies */ - charger->usb = power_supply_register(dev, &usb_desc, NULL); - if (IS_ERR(charger->usb)) { - ret = PTR_ERR(charger->usb); - goto usb_fail; - } + charger->usb = devm_power_supply_register(dev, &usb_desc, NULL); + if (IS_ERR(charger->usb)) + return PTR_ERR(charger->usb); - charger->battery = power_supply_register(dev, &battery_desc, NULL); - if (IS_ERR(charger->battery)) { - ret = PTR_ERR(charger->battery); - goto battery_fail; - } + charger->battery = devm_power_supply_register(dev, &battery_desc, NULL); + if (IS_ERR(charger->battery)) + return PTR_ERR(charger->battery); /* Get initial online supply */ reg = da9150_reg_read(da9150, DA9150_STATUS_H); @@ -627,26 +604,11 @@ tjunc_irq_fail: chg_irq_fail: if (!IS_ERR_OR_NULL(charger->usb_phy)) usb_unregister_notifier(charger->usb_phy, &charger->otg_nb); -battery_fail: - power_supply_unregister(charger->usb); - -usb_fail: - iio_channel_release(charger->vbat_chan); - -vbat_chan_fail: - iio_channel_release(charger->tjunc_chan); - -tjunc_chan_fail: - iio_channel_release(charger->vbus_chan); - -vbus_chan_fail: - iio_channel_release(charger->ibus_chan); -ibus_chan_fail: return ret; } -static int da9150_charger_remove(struct platform_device *pdev) +static void da9150_charger_remove(struct platform_device *pdev) { struct da9150_charger *charger = platform_get_drvdata(pdev); int irq; @@ -666,17 +628,7 @@ static int da9150_charger_remove(struct platform_device *pdev) if (!IS_ERR_OR_NULL(charger->usb_phy)) usb_unregister_notifier(charger->usb_phy, &charger->otg_nb); - - power_supply_unregister(charger->battery); - power_supply_unregister(charger->usb); - - /* Release ADC channels */ - iio_channel_release(charger->ibus_chan); - iio_channel_release(charger->vbus_chan); - iio_channel_release(charger->tjunc_chan); - iio_channel_release(charger->vbat_chan); - - return 0; + cancel_work_sync(&charger->otg_work); } static struct platform_driver da9150_charger_driver = { |