static int tlclk_major = TLCLK_MAJOR;
-static irqreturn_t tlclk_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t tlclk_interrupt(int irq, void *dev_id);
static DECLARE_WAIT_QUEUE_HEAD(wq);
/* This device is wired through the FPGA IO space of the ATCA blade
* we can't share this IRQ */
result = request_irq(telclk_interrupt, &tlclk_interrupt,
- SA_INTERRUPT, "telco_clock", tlclk_interrupt);
+ IRQF_DISABLED, "telco_clock", tlclk_interrupt);
if (result == -EBUSY) {
printk(KERN_ERR "tlclk: Interrupt can't be reserved.\n");
return -EBUSY;
return 0;
}
-static struct file_operations tlclk_fops = {
+static const struct file_operations tlclk_fops = {
.read = tlclk_read,
.write = tlclk_write,
.open = tlclk_open,
ret = misc_register(&tlclk_miscdev);
if (ret < 0) {
printk(KERN_ERR "tlclk: misc_register returns %d.\n", ret);
- ret = -EBUSY;
goto out3;
}
tlclk_device = platform_device_register_simple("telco_clock",
-1, NULL, 0);
- if (!tlclk_device) {
+ if (IS_ERR(tlclk_device)) {
printk(KERN_ERR "tlclk: platform_device_register failed.\n");
- ret = -EBUSY;
+ ret = PTR_ERR(tlclk_device);
goto out4;
}
wake_up(&wq);
}
-static irqreturn_t tlclk_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t tlclk_interrupt(int irq, void *dev_id)
{
unsigned long flags;