X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fchar%2Fds1620.c;h=74e9cd81b5b253b8139d9fbc6ceea59afeb77c27;hb=058ddee5625ade9e9e011b9ae155ac3b8d4eda3a;hp=334ad5bbe6b62a244eed91b9731d121244ea4780;hpb=393bfca19ecdce60a8d9a4d2577cac11ca924a25;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 334ad5bbe6b..74e9cd81b5b 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -8,8 +8,9 @@
 #include <linux/proc_fs.h>
 #include <linux/capability.h>
 #include <linux/init.h>
+#include <linux/smp_lock.h>
 
-#include <asm/hardware.h>
+#include <mach/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/uaccess.h>
 #include <asm/therm.h>
@@ -208,6 +209,12 @@ static void ds1620_read_state(struct therm *therm)
 	therm->hi = cvt_9_to_int(ds1620_in(THERM_READ_TH, 9));
 }
 
+static int ds1620_open(struct inode *inode, struct file *file)
+{
+	cycle_kernel_lock();
+	return nonseekable_open(inode, file);
+}
+
 static ssize_t
 ds1620_read(struct file *file, char __user *buf, size_t count, loff_t *ptr)
 {
@@ -336,7 +343,7 @@ static struct proc_dir_entry *proc_therm_ds1620;
 
 static const struct file_operations ds1620_fops = {
 	.owner		= THIS_MODULE,
-	.open		= nonseekable_open,
+	.open		= ds1620_open,
 	.read		= ds1620_read,
 	.ioctl		= ds1620_ioctl,
 };