return 0;
}
-static unsigned int cs_char_poll(struct file *file, poll_table *wait)
+static __poll_t cs_char_poll(struct file *file, poll_table *wait)
{
struct cs_char *csdata = file->private_data;
- unsigned int ret = 0;
+ __poll_t ret = 0;
poll_wait(file, &cs_char_data.wait, wait);
spin_lock_bh(&csdata->lock);