diff options
Diffstat (limited to 'drivers/rtc/rtc-wm8350.c')
| -rw-r--r-- | drivers/rtc/rtc-wm8350.c | 45 |
1 files changed, 18 insertions, 27 deletions
diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c index 483c7993516b..3bd60d067a5e 100644 --- a/drivers/rtc/rtc-wm8350.c +++ b/drivers/rtc/rtc-wm8350.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Real Time Clock driver for Wolfson Microelectronics WM8350 * @@ -5,12 +6,6 @@ * * Author: Liam Girdwood * linux@wolfsonmicro.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/module.h> @@ -340,8 +335,7 @@ static const struct rtc_class_ops wm8350_rtc_ops = { #ifdef CONFIG_PM_SLEEP static int wm8350_rtc_suspend(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct wm8350 *wm8350 = dev_get_drvdata(&pdev->dev); + struct wm8350 *wm8350 = dev_get_drvdata(dev); int ret = 0; u16 reg; @@ -351,8 +345,7 @@ static int wm8350_rtc_suspend(struct device *dev) reg & WM8350_RTC_ALMSTS) { ret = wm8350_rtc_stop_alarm(wm8350); if (ret != 0) - dev_err(&pdev->dev, "Failed to stop RTC alarm: %d\n", - ret); + dev_err(dev, "Failed to stop RTC alarm: %d\n", ret); } return ret; @@ -360,15 +353,13 @@ static int wm8350_rtc_suspend(struct device *dev) static int wm8350_rtc_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct wm8350 *wm8350 = dev_get_drvdata(&pdev->dev); + struct wm8350 *wm8350 = dev_get_drvdata(dev); int ret; if (wm8350->rtc.alarm_enabled) { ret = wm8350_rtc_start_alarm(wm8350); if (ret != 0) - dev_err(&pdev->dev, - "Failed to restart RTC alarm: %d\n", ret); + dev_err(dev, "Failed to restart RTC alarm: %d\n", ret); } return 0; @@ -395,8 +386,6 @@ static int wm8350_rtc_probe(struct platform_device *pdev) /* enable the RTC if it's not already enabled */ power5 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_5); if (!(power5 & WM8350_RTC_TICK_ENA)) { - dev_info(wm8350->dev, "Starting RTC\n"); - wm8350_reg_unlock(wm8350); ret = wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, @@ -431,36 +420,38 @@ static int wm8350_rtc_probe(struct platform_device *pdev) } } - device_init_wakeup(&pdev->dev, 1); + device_init_wakeup(&pdev->dev, true); wm_rtc->rtc = devm_rtc_device_register(&pdev->dev, "wm8350", &wm8350_rtc_ops, THIS_MODULE); - if (IS_ERR(wm_rtc->rtc)) { - ret = PTR_ERR(wm_rtc->rtc); - dev_err(&pdev->dev, "failed to register RTC: %d\n", ret); - return ret; - } + if (IS_ERR(wm_rtc->rtc)) + return PTR_ERR(wm_rtc->rtc); - wm8350_register_irq(wm8350, WM8350_IRQ_RTC_SEC, + ret = wm8350_register_irq(wm8350, WM8350_IRQ_RTC_SEC, wm8350_rtc_update_handler, 0, "RTC Seconds", wm8350); + if (ret) + return ret; + wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC); - wm8350_register_irq(wm8350, WM8350_IRQ_RTC_ALM, + ret = wm8350_register_irq(wm8350, WM8350_IRQ_RTC_ALM, wm8350_rtc_alarm_handler, 0, "RTC Alarm", wm8350); + if (ret) { + wm8350_free_irq(wm8350, WM8350_IRQ_RTC_SEC, wm8350); + return ret; + } return 0; } -static int wm8350_rtc_remove(struct platform_device *pdev) +static void wm8350_rtc_remove(struct platform_device *pdev) { struct wm8350 *wm8350 = platform_get_drvdata(pdev); wm8350_free_irq(wm8350, WM8350_IRQ_RTC_SEC, wm8350); wm8350_free_irq(wm8350, WM8350_IRQ_RTC_ALM, wm8350); - - return 0; } static SIMPLE_DEV_PM_OPS(wm8350_rtc_pm_ops, wm8350_rtc_suspend, |