diff options
Diffstat (limited to 'arch/cris/arch-v10/drivers/gpio.c')
| -rw-r--r-- | arch/cris/arch-v10/drivers/gpio.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c index 4b0f65f..080927f 100644 --- a/arch/cris/arch-v10/drivers/gpio.c +++ b/arch/cris/arch-v10/drivers/gpio.c @@ -46,8 +46,7 @@ static char gpio_name[] = "etrax gpio"; static wait_queue_head_t *gpio_wq; #endif -static int gpio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); +static int gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static ssize_t gpio_write(struct file *file, const char __user *buf, size_t count, loff_t *off); static int gpio_open(struct inode *inode, struct file *filp); @@ -505,8 +504,7 @@ static int gpio_leds_ioctl(unsigned int cmd, unsigned long arg); static int -gpio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +gpio_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg) { unsigned long flags; unsigned long val; @@ -684,6 +682,18 @@ gpio_ioctl(struct inode *inode, struct file *file, } static int +gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + long ret; + + lock_kernel(); + ret = gpio_ioctl_unlocked(file, cmd, arg); + unlock_kernel(); + + return ret; +} + +static int gpio_leds_ioctl(unsigned int cmd, unsigned long arg) { unsigned char green; @@ -713,12 +723,12 @@ gpio_leds_ioctl(unsigned int cmd, unsigned long arg) } static const struct file_operations gpio_fops = { - .owner = THIS_MODULE, - .poll = gpio_poll, - .ioctl = gpio_ioctl, - .write = gpio_write, - .open = gpio_open, - .release = gpio_release, + .owner = THIS_MODULE, + .poll = gpio_poll, + .unlocked_ioctl = gpio_ioctl, + .write = gpio_write, + .open = gpio_open, + .release = gpio_release, }; static void ioif_watcher(const unsigned int gpio_in_available, |