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authorPekka Enberg <penberg@kernel.org>2010-10-24 19:57:05 +0300
committerPekka Enberg <penberg@kernel.org>2010-10-24 19:57:05 +0300
commit6d4121f6c20a0e86231d52f535f1c82423b3326f (patch)
tree5c235cac699ca86b504850aa663ddadde0455a61 /drivers/rtc
parent92a5bbc11ff2442a54b2f1d313088c245828ef4e (diff)
parent35da7a307c535f9c2929cae277f3df425c9f9b1e (diff)
Merge branch 'master' into for-linus
Conflicts: include/linux/percpu.h mm/percpu.c
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-ds3232.c2
-rw-r--r--drivers/rtc/rtc-m41t80.c14
2 files changed, 8 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-ds3232.c b/drivers/rtc/rtc-ds3232.c
index 9daed8db83d..9de8516e353 100644
--- a/drivers/rtc/rtc-ds3232.c
+++ b/drivers/rtc/rtc-ds3232.c
@@ -268,7 +268,6 @@ out_irq:
free_irq(client->irq, client);
out_free:
- i2c_set_clientdata(client, NULL);
kfree(ds3232);
return ret;
}
@@ -287,7 +286,6 @@ static int __devexit ds3232_remove(struct i2c_client *client)
}
rtc_device_unregister(ds3232->rtc);
- i2c_set_clientdata(client, NULL);
kfree(ds3232);
return 0;
}
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index d60557cae8e..5a8daa35806 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -20,7 +20,7 @@
#include <linux/module.h>
#include <linux/rtc.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/string.h>
#ifdef CONFIG_RTC_DRV_M41T80_WDT
#include <linux/fs.h>
@@ -68,6 +68,7 @@
#define DRV_VERSION "0.05"
+static DEFINE_MUTEX(m41t80_rtc_mutex);
static const struct i2c_device_id m41t80_id[] = {
{ "m41t62", M41T80_FEATURE_SQ | M41T80_FEATURE_SQ_ALT },
{ "m41t65", M41T80_FEATURE_HT | M41T80_FEATURE_WD },
@@ -677,9 +678,9 @@ static long wdt_unlocked_ioctl(struct file *file, unsigned int cmd,
{
int ret;
- lock_kernel();
+ mutex_lock(&m41t80_rtc_mutex);
ret = wdt_ioctl(file, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&m41t80_rtc_mutex);
return ret;
}
@@ -693,16 +694,16 @@ static long wdt_unlocked_ioctl(struct file *file, unsigned int cmd,
static int wdt_open(struct inode *inode, struct file *file)
{
if (MINOR(inode->i_rdev) == WATCHDOG_MINOR) {
- lock_kernel();
+ mutex_lock(&m41t80_rtc_mutex);
if (test_and_set_bit(0, &wdt_is_open)) {
- unlock_kernel();
+ mutex_unlock(&m41t80_rtc_mutex);
return -EBUSY;
}
/*
* Activate
*/
wdt_is_open = 1;
- unlock_kernel();
+ mutex_unlock(&m41t80_rtc_mutex);
return nonseekable_open(inode, file);
}
return -ENODEV;
@@ -748,6 +749,7 @@ static const struct file_operations wdt_fops = {
.write = wdt_write,
.open = wdt_open,
.release = wdt_release,
+ .llseek = no_llseek,
};
static struct miscdevice wdt_dev = {