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Diffstat (limited to 'arch/cris/arch-v32/drivers/mach-a3/gpio.c')
-rw-r--r--arch/cris/arch-v32/drivers/mach-a3/gpio.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/arch/cris/arch-v32/drivers/mach-a3/gpio.c
index 97357cfd17bb..2dcd27adbad4 100644
--- a/arch/cris/arch-v32/drivers/mach-a3/gpio.c
+++ b/arch/cris/arch-v32/drivers/mach-a3/gpio.c
@@ -72,8 +72,7 @@ static char gpio_name[] = "etrax gpio";
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 __user *buf,
size_t count, loff_t *off);
static int gpio_open(struct inode *inode, struct file *filp);
@@ -521,7 +520,7 @@ static inline unsigned long setget_output(struct gpio_private *priv,
return dir_shadow;
} /* setget_output */
-static int gpio_ioctl(struct inode *inode, struct file *file,
+static long gpio_ioctl_unlocked(struct file *file,
unsigned int cmd, unsigned long arg)
{
unsigned long flags;
@@ -664,6 +663,17 @@ static int 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)
@@ -877,12 +887,12 @@ static int gpio_pwm_ioctl(struct gpio_private *priv, unsigned int cmd,
}
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