{
u8 reply;
- down(&state->dst_mutex);
+ mutex_lock(&state->dst_mutex);
dst_comm_init(state);
msleep(65);
goto error;
}
}
- up(&state->dst_mutex);
+ mutex_unlock(&state->dst_mutex);
return 0;
error:
- up(&state->dst_mutex);
+ mutex_unlock(&state->dst_mutex);
return -EIO;
}
hw_buffer->msg[4] = 0x03;
hw_buffer->msg[5] = length & 0xff;
hw_buffer->msg[6] = 0x00;
+
/*
* Need to compute length for EN50221 section 8.3.2, for the time being
* assuming 8.3.2 is not applicable
*/
memcpy(&hw_buffer->msg[7], &p_ca_message->msg[4], length);
}
+
return 0;
}
-
static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 length, u8 reply)
{
if ((dst_put_ci(state, hw_buffer->msg, length, hw_buffer->msg, reply)) < 0) {
}
dprintk(verbose, DST_CA_DEBUG, 1, " ");
- if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg))) {
+ if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) {
result = -EFAULT;
goto free_mem_and_exit;
}
return 0;
}
-static int dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
+static ssize_t dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
{
int bytes_read = 0;
return bytes_read;
}
-static int dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
+static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
{
dprintk(verbose, DST_CA_DEBUG, 1, " Device write.");