diff options
Diffstat (limited to 'drivers/rtc/rtc-fm3130.c')
| -rw-r--r-- | drivers/rtc/rtc-fm3130.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c index 576eadbba296..f82728ebac0c 100644 --- a/drivers/rtc/rtc-fm3130.c +++ b/drivers/rtc/rtc-fm3130.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * rtc-fm3130.c - RTC driver for Ramtron FM3130 I2C chip. * * Copyright (C) 2008 Sergey Lapin * Based on ds1307 driver by James Chapman and David Brownell - * - * 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/module.h> @@ -56,7 +53,7 @@ struct fm3130 { int data_valid; }; static const struct i2c_device_id fm3130_id[] = { - { "fm3130", 0 }, + { "fm3130" }, { } }; MODULE_DEVICE_TABLE(i2c, fm3130_id); @@ -107,8 +104,7 @@ static int fm3130_get_time(struct device *dev, struct rtc_time *t) fm3130_rtc_mode(dev, FM3130_MODE_READ); /* read the RTC date and time registers all at once */ - tmp = i2c_transfer(to_i2c_adapter(fm3130->client->dev.parent), - fm3130->msg, 2); + tmp = i2c_transfer(fm3130->client->adapter, fm3130->msg, 2); if (tmp != 2) { dev_err(dev, "%s error %d\n", "read", tmp); return -EIO; @@ -136,8 +132,7 @@ static int fm3130_get_time(struct device *dev, struct rtc_time *t) t->tm_hour, t->tm_mday, t->tm_mon, t->tm_year, t->tm_wday); - /* initial clock setting can be undefined */ - return rtc_valid_tm(t); + return 0; } @@ -201,8 +196,7 @@ static int fm3130_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) } /* read the RTC alarm registers all at once */ - tmp = i2c_transfer(to_i2c_adapter(fm3130->client->dev.parent), - &fm3130->msg[2], 2); + tmp = i2c_transfer(fm3130->client->adapter, &fm3130->msg[2], 2); if (tmp != 2) { dev_err(dev, "%s error %d\n", "read", tmp); return -EIO; @@ -346,13 +340,12 @@ static const struct rtc_class_ops fm3130_rtc_ops = { static struct i2c_driver fm3130_driver; -static int fm3130_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int fm3130_probe(struct i2c_client *client) { struct fm3130 *fm3130; int err = -ENODEV; int tmp; - struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); + struct i2c_adapter *adapter = client->adapter; if (!i2c_check_functionality(adapter, I2C_FUNC_I2C | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) |