diff options
Diffstat (limited to 'drivers/char/scx200_gpio.c')
| -rw-r--r-- | drivers/char/scx200_gpio.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/char/scx200_gpio.c b/drivers/char/scx200_gpio.c index 1d9100561c8..0bc135b9b16 100644 --- a/drivers/char/scx200_gpio.c +++ b/drivers/char/scx200_gpio.c @@ -12,7 +12,6 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -52,7 +51,6 @@ static int scx200_gpio_open(struct inode *inode, struct file *file) unsigned m = iminor(inode); file->private_data = &scx200_gpio_ops; - cycle_kernel_lock(); if (m >= MAX_PINS) return -EINVAL; return nonseekable_open(inode, file); @@ -69,6 +67,7 @@ static const struct file_operations scx200_gpio_fileops = { .read = nsc_gpio_read, .open = scx200_gpio_open, .release = scx200_gpio_release, + .llseek = no_llseek, }; static struct cdev scx200_gpio_cdev; /* use 1 cdev for all pins */ |