ad525x_dpot: extend write argument to 16bits

[safe/jmp/linux-2.6] / drivers / char / ds1620.c

diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 74e9cd8..dbee868 100644 (file)
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -43,52 +43,51 @@ static const char *fan_state[] = { "off", "on", "on (hardwired)" };
  *  chance that the WaveArtist driver could touch these bits to
  *  enable or disable the speaker.
  */
-extern spinlock_t gpio_lock;
 extern unsigned int system_rev;
 
 static inline void netwinder_ds1620_set_clk(int clk)
 {
-       gpio_modify_op(GPIO_DSCLK, clk ? GPIO_DSCLK : 0);
+       nw_gpio_modify_op(GPIO_DSCLK, clk ? GPIO_DSCLK : 0);
 }
 
 static inline void netwinder_ds1620_set_data(int dat)
 {
-       gpio_modify_op(GPIO_DATA, dat ? GPIO_DATA : 0);
+       nw_gpio_modify_op(GPIO_DATA, dat ? GPIO_DATA : 0);
 }
 
 static inline int netwinder_ds1620_get_data(void)
 {
-       return gpio_read() & GPIO_DATA;
+       return nw_gpio_read() & GPIO_DATA;
 }
 
 static inline void netwinder_ds1620_set_data_dir(int dir)
 {
-       gpio_modify_io(GPIO_DATA, dir ? GPIO_DATA : 0);
+       nw_gpio_modify_io(GPIO_DATA, dir ? GPIO_DATA : 0);
 }
 
 static inline void netwinder_ds1620_reset(void)
 {
-       cpld_modify(CPLD_DS_ENABLE, 0);
-       cpld_modify(CPLD_DS_ENABLE, CPLD_DS_ENABLE);
+       nw_cpld_modify(CPLD_DS_ENABLE, 0);
+       nw_cpld_modify(CPLD_DS_ENABLE, CPLD_DS_ENABLE);
 }
 
 static inline void netwinder_lock(unsigned long *flags)
 {
-       spin_lock_irqsave(&gpio_lock, *flags);
+       spin_lock_irqsave(&nw_gpio_lock, *flags);
 }
 
 static inline void netwinder_unlock(unsigned long *flags)
 {
-       spin_unlock_irqrestore(&gpio_lock, *flags);
+       spin_unlock_irqrestore(&nw_gpio_lock, *flags);
 }
 
 static inline void netwinder_set_fan(int i)
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&gpio_lock, flags);
-       gpio_modify_op(GPIO_FAN, i ? GPIO_FAN : 0);
-       spin_unlock_irqrestore(&gpio_lock, flags);
+       spin_lock_irqsave(&nw_gpio_lock, flags);
+       nw_gpio_modify_op(GPIO_FAN, i ? GPIO_FAN : 0);
+       spin_unlock_irqrestore(&nw_gpio_lock, flags);
 }
 
 static inline int netwinder_get_fan(void)
@@ -96,7 +95,7 @@ static inline int netwinder_get_fan(void)
        if ((system_rev & 0xf000) == 0x4000)
                return FAN_ALWAYS_ON;
 
-       return (gpio_read() & GPIO_FAN) ? FAN_ON : FAN_OFF;
+       return (nw_gpio_read() & GPIO_FAN) ? FAN_ON : FAN_OFF;
 }
 
 /*
@@ -233,7 +232,7 @@ ds1620_read(struct file *file, char __user *buf, size_t count, loff_t *ptr)
 }
 
 static int
-ds1620_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+ds1620_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
        struct therm therm;
        union {
@@ -317,6 +316,18 @@ ds1620_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
        return 0;
 }
 
+static long
+ds1620_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       int ret;
+
+       lock_kernel();
+       ret = ds1620_ioctl(file, cmd, arg);
+       unlock_kernel();
+
+       return ret;
+}
+
 #ifdef THERM_USE_PROC
 static int
 proc_therm_ds1620_read(char *buf, char **start, off_t offset,
@@ -345,7 +356,7 @@ static const struct file_operations ds1620_fops = {
        .owner          = THIS_MODULE,
        .open           = ds1620_open,
        .read           = ds1620_read,
-       .ioctl          = ds1620_ioctl,
+       .unlocked_ioctl = ds1620_unlocked_ioctl,
 };
 
 static struct miscdevice ds1620_miscdev = {