diff options
Diffstat (limited to 'drivers/sbus/char/uctrl.c')
| -rw-r--r-- | drivers/sbus/char/uctrl.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c index 5f253665a1da..1b345be5cc02 100644 --- a/drivers/sbus/char/uctrl.c +++ b/drivers/sbus/char/uctrl.c @@ -9,7 +9,7 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/slab.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/ioport.h> #include <linux/init.h> #include <linux/miscdevice.h> @@ -72,6 +72,7 @@ struct ts102_regs { #define UCTRL_STAT_RXNE_STA 0x04 /* receive FIFO not empty status */ #define UCTRL_STAT_RXO_STA 0x08 /* receive FIFO overflow status */ +static DEFINE_MUTEX(uctrl_mutex); static const char *uctrl_extstatus[16] = { "main power available", "internal battery attached", @@ -210,10 +211,10 @@ uctrl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) static int uctrl_open(struct inode *inode, struct file *file) { - lock_kernel(); + mutex_lock(&uctrl_mutex); uctrl_get_event_status(global_driver); uctrl_get_external_status(global_driver); - unlock_kernel(); + mutex_unlock(&uctrl_mutex); return 0; } @@ -347,7 +348,7 @@ static void uctrl_get_external_status(struct uctrl_driver *driver) } -static int __devinit uctrl_probe(struct of_device *op, +static int __devinit uctrl_probe(struct platform_device *op, const struct of_device_id *match) { struct uctrl_driver *p; @@ -367,7 +368,7 @@ static int __devinit uctrl_probe(struct of_device *op, goto out_free; } - p->irq = op->irqs[0]; + p->irq = op->archdata.irqs[0]; err = request_irq(p->irq, uctrl_interrupt, 0, "uctrl", p); if (err) { printk(KERN_ERR "uctrl: Unable to register irq.\n"); @@ -403,7 +404,7 @@ out_free: goto out; } -static int __devexit uctrl_remove(struct of_device *op) +static int __devexit uctrl_remove(struct platform_device *op) { struct uctrl_driver *p = dev_get_drvdata(&op->dev); @@ -437,12 +438,12 @@ static struct of_platform_driver uctrl_driver = { static int __init uctrl_init(void) { - return of_register_driver(&uctrl_driver, &of_bus_type); + return of_register_platform_driver(&uctrl_driver); } static void __exit uctrl_exit(void) { - of_unregister_driver(&uctrl_driver); + of_unregister_platform_driver(&uctrl_driver); } module_init(uctrl_init); |