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authorJames Morris <jmorris@namei.org>2009-03-23 19:52:46 -0400
committerJames Morris <jmorris@namei.org>2009-03-23 19:52:46 -0400
commit703a3cd72817e99201cef84a8a7aecc60b2b3581 (patch)
tree3e943755178ff410694722bb031f523136fbc432 /drivers/i2c/i2c-dev.c
parentdf7f54c012b92ec93d56b68547351dcdf8a163d3 (diff)
parent8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff)
Merge branch 'master' into next
Diffstat (limited to 'drivers/i2c/i2c-dev.c')
-rw-r--r--drivers/i2c/i2c-dev.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index c171988a9f51..7e13d2df9af3 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -35,6 +35,7 @@
35#include <linux/i2c.h> 35#include <linux/i2c.h>
36#include <linux/i2c-dev.h> 36#include <linux/i2c-dev.h>
37#include <linux/smp_lock.h> 37#include <linux/smp_lock.h>
38#include <linux/jiffies.h>
38#include <asm/uaccess.h> 39#include <asm/uaccess.h>
39 40
40static struct i2c_driver i2cdev_driver; 41static struct i2c_driver i2cdev_driver;
@@ -422,7 +423,10 @@ static long i2cdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
422 client->adapter->retries = arg; 423 client->adapter->retries = arg;
423 break; 424 break;
424 case I2C_TIMEOUT: 425 case I2C_TIMEOUT:
425 client->adapter->timeout = arg; 426 /* For historical reasons, user-space sets the timeout
427 * value in units of 10 ms.
428 */
429 client->adapter->timeout = msecs_to_jiffies(arg * 10);
426 break; 430 break;
427 default: 431 default:
428 /* NOTE: returning a fault code here could cause trouble 432 /* NOTE: returning a fault code here could cause trouble