diff options
Diffstat (limited to 'arch/cris/arch-v32/drivers/mach-fs/gpio.c')
| -rw-r--r-- | arch/cris/arch-v32/drivers/mach-fs/gpio.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c index d89ab80498ed..3a12ce309e3b 100644 --- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c @@ -74,8 +74,7 @@ static wait_queue_head_t *gpio_wq; static int virtual_gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg); #endif -static int gpio_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); +static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static ssize_t gpio_write(struct file *file, const char *buf, size_t count, loff_t *off); static int gpio_open(struct inode *inode, struct file *filp); @@ -557,12 +556,10 @@ inline unsigned long setget_output(struct gpio_private *priv, unsigned long arg) return dir_shadow; } /* setget_output */ -static int -gpio_leds_ioctl(unsigned int cmd, unsigned long arg); +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; @@ -707,6 +704,17 @@ gpio_ioctl(struct inode *inode, struct file *file, return 0; } +static long 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; +} + #ifdef CONFIG_ETRAX_VIRTUAL_GPIO static int virtual_gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) @@ -856,12 +864,12 @@ 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, }; #ifdef CONFIG_ETRAX_VIRTUAL_GPIO |