static int gpt_stat_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
char *p = page;
int len = 0;
int i = 0;
int in_use;
int is_counting;
p += sprintf(p, "\n(HW Timer) GPT Status :\n");
p += sprintf(p, "=========================================\n");
for (i = 0; i < NR_GPTS; i++) {
in_use = gpt_devs[i].flags & GPT_IN_USE;
is_counting = gpt_is_counting(i);
p += sprintf(p, "[GPT%d]in_use:%s, is_counting:%s\n", i+1,
in_use ? "Y" : "N", is_counting ? "Y" : "N");
}
*start = page + off;
len = p - page;
if (len > off)
len -= off;
else
len = 0;
*eof = 1;
return len < count ? len : count;
}
static ssize_t gpt_stat_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
{
char *p = NULL;
char *page = NULL;
int len = 0;
int i = 0;
int in_use;
int is_counting;
int err = 0;
page = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!page) {
kfree(page);
return -ENOMEM;
}
p = page;
p += sprintf(p, "\n(HW Timer) GPT Status :\n");
p += sprintf(p, "=========================================\n");
for (i = 0; i < NR_GPTS; i++) {
in_use = gpt_devs[i].flags & GPT_IN_USE;
is_counting = gpt_is_counting(i);
p += sprintf(p, "[GPT%d]in_use:%s, is_counting:%s\n", i + 1,
in_use ? "Y" : "N", is_counting ? "Y" : "N");
}
len = p - page;
if (*ppos >= len) {
kfree(page);
return 0;
}
err = copy_to_user(buf, (char *)page, len);
*ppos += len;
if (err) {
kfree(page);
return err;
}
kfree(page);
return len;
}
