*/
#undef DEBUG /* change to #define to get debugging
* output - for pr_debug() */
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/errno.h>
{
int i;
int seq[] = { 0x00, 0x20, 0x10, 0x30 };
+ int data;
for (i = 3; i >= 0; i--) {
outbyte(3, minor);
outbyte(i, minor);
udelay(delay);
+ data = inbyte(minor) & 0x30;
pr_debug("tipar: Probing -> %i: 0x%02x 0x%02x\n", i,
- data & 0x30, seq[i]);
- if ((inbyte(minor) & 0x30) != seq[i]) {
+ data, seq[i]);
+ if (data != seq[i]) {
outbyte(3, minor);
return -1;
}
/* ----- kernel module registering ------------------------------------ */
-static struct file_operations tipar_fops = {
+static const struct file_operations tipar_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = tipar_read,