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path: root/drivers/rtc/rtc-m41t80.c
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Diffstat (limited to 'drivers/rtc/rtc-m41t80.c')
-rw-r--r--drivers/rtc/rtc-m41t80.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index ebf50b1540f2..f9fa4f068de3 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* I2C client/driver for the ST M41T80 family of i2c rtc chips.
*
@@ -6,11 +7,6 @@
* Based on m41t00.c by Mark A. Greer <mgreer@mvista.com>
*
* 2006 (c) mycable GmbH
- *
- * 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.
- *
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -802,7 +798,7 @@ static int wdt_open(struct inode *inode, struct file *file)
*/
wdt_is_open = 1;
mutex_unlock(&m41t80_rtc_mutex);
- return nonseekable_open(inode, file);
+ return stream_open(inode, file);
}
return -ENODEV;
}
@@ -844,6 +840,7 @@ static const struct file_operations wdt_fops = {
.owner = THIS_MODULE,
.read = wdt_read,
.unlocked_ioctl = wdt_unlocked_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.write = wdt_write,
.open = wdt_open,
.release = wdt_release,
@@ -876,7 +873,7 @@ static struct notifier_block wdt_notifier = {
static int m41t80_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+ struct i2c_adapter *adapter = client->adapter;
int rc = 0;
struct rtc_time tm;
struct m41t80_data *m41t80_data = NULL;
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