#define __NWBUTTON_C /* Tell the header file who we are */
#include "nwbutton.h"
+static void button_sequence_finished (unsigned long parameters);
+
static int button_press_count; /* The count of button presses */
-static struct timer_list button_timer; /* Times for the end of a sequence */
+/* Times for the end of a sequence */
+static DEFINE_TIMER(button_timer, button_sequence_finished, 0, 0);
static DECLARE_WAIT_QUEUE_HEAD(button_wait_queue); /* Used for blocking read */
static char button_output_buffer[32]; /* Stores data to write out of device */
static int bcount; /* The number of bytes in the buffer */
* increments the counter.
*/
-static irqreturn_t button_handler (int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t button_handler (int irq, void *dev_id)
{
- if (button_press_count) {
- del_timer (&button_timer);
- }
button_press_count++;
- init_timer (&button_timer);
- button_timer.function = button_sequence_finished;
- button_timer.expires = (jiffies + bdelay);
- add_timer (&button_timer);
+ mod_timer(&button_timer, jiffies + bdelay);
return IRQ_HANDLED;
}