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path: root/drivers/input/misc
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Diffstat (limited to 'drivers/input/misc')
-rw-r--r--drivers/input/misc/hp_sdc_rtc.c7
-rw-r--r--drivers/input/misc/uinput.c3
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index ab76ea442fa..49d8abfe38f 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -35,6 +35,7 @@
#include <linux/hp_sdc.h>
#include <linux/errno.h>
+#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -408,6 +409,7 @@ static unsigned int hp_sdc_rtc_poll(struct file *file, poll_table *wait)
static int hp_sdc_rtc_open(struct inode *inode, struct file *file)
{
+ cycle_kernel_lock();
return 0;
}
@@ -691,6 +693,11 @@ static int __init hp_sdc_rtc_init(void)
{
int ret;
+#ifdef __mc68000__
+ if (!MACH_IS_HP300)
+ return -ENODEV;
+#endif
+
init_MUTEX(&i8042tregs);
if ((ret = hp_sdc_request_timer_irq(&hp_sdc_rtc_isr)))
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index a56ad4ba8fe..2bcfa0b3506 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -37,6 +37,7 @@
#include <linux/fs.h>
#include <linux/miscdevice.h>
#include <linux/uinput.h>
+#include <linux/smp_lock.h>
static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
@@ -222,6 +223,7 @@ static int uinput_open(struct inode *inode, struct file *file)
if (!newdev)
return -ENOMEM;
+ lock_kernel();
mutex_init(&newdev->mutex);
spin_lock_init(&newdev->requests_lock);
init_waitqueue_head(&newdev->requests_waitq);
@@ -229,6 +231,7 @@ static int uinput_open(struct inode *inode, struct file *file)
newdev->state = UIST_NEW_DEVICE;
file->private_data = newdev;
+ unlock_kernel();
return 0;
}