diff options
Diffstat (limited to 'drivers/rtc/rtc-pcf8563.c')
| -rw-r--r-- | drivers/rtc/rtc-pcf8563.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c index 3efc86c25d27..ac159d24286d 100644 --- a/drivers/rtc/rtc-pcf8563.c +++ b/drivers/rtc/rtc-pcf8563.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * An I2C driver for the Philips PCF8563 RTC * Copyright 2005-06 Tower Technologies @@ -8,10 +9,6 @@ * based on the other drivers in this same directory. * * http://www.semiconductors.philips.com/acrobat/datasheets/PCF8563-04.pdf - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/clk-provider.h> @@ -563,7 +560,6 @@ static int pcf8563_probe(struct i2c_client *client, struct pcf8563 *pcf8563; int err; unsigned char buf; - unsigned char alm_pending; dev_dbg(&client->dev, "%s\n", __func__); @@ -587,13 +583,13 @@ static int pcf8563_probe(struct i2c_client *client, return err; } - err = pcf8563_get_alarm_mode(client, NULL, &alm_pending); - if (err) { - dev_err(&client->dev, "%s: read error\n", __func__); + /* Clear flags and disable interrupts */ + buf = 0; + err = pcf8563_write_block_data(client, PCF8563_REG_ST2, 1, &buf); + if (err < 0) { + dev_err(&client->dev, "%s: write error\n", __func__); return err; } - if (alm_pending) - pcf8563_set_alarm_mode(client, 0); pcf8563->rtc = devm_rtc_device_register(&client->dev, pcf8563_driver.driver.name, @@ -605,7 +601,7 @@ static int pcf8563_probe(struct i2c_client *client, if (client->irq > 0) { err = devm_request_threaded_irq(&client->dev, client->irq, NULL, pcf8563_irq, - IRQF_SHARED|IRQF_ONESHOT|IRQF_TRIGGER_FALLING, + IRQF_SHARED | IRQF_ONESHOT | IRQF_TRIGGER_LOW, pcf8563_driver.driver.name, client); if (err) { dev_err(&client->dev, "unable to request IRQ %d\n", |