inline ssize_t can_rtr_read(struct chip_t *chip, struct msgobj_t *obj,
char *buffer)
{
- unsigned long flags;
+ can_spin_irqflags_t flags;
struct rtr_id *rtr_current, *new_rtr_entry;
struct canmsg_t read_msg;
DEBUGMSG("Remote transmission request\n");
- spin_lock_irqsave(&hardware_p->rtr_lock, flags);
+ can_spin_lock_irqsave(&hardware_p->rtr_lock, flags);
if (hardware_p->rtr_queue == NULL) { //No remote messages pending
new_rtr_entry=(struct rtr_id *)kmalloc(sizeof(struct rtr_id),GFP_ATOMIC);
if (new_rtr_entry == NULL) {
- spin_unlock_irqrestore(&hardware_p->rtr_lock,
+ can_spin_unlock_irqrestore(&hardware_p->rtr_lock,
flags);
return -ENOMEM;
}
new_rtr_entry->rtr_message = &read_msg;
new_rtr_entry->next=NULL;
- spin_unlock_irqrestore(&hardware_p->rtr_lock, flags);
+ can_spin_unlock_irqrestore(&hardware_p->rtr_lock, flags);
/* Send remote transmission request */
chip->chipspecops->remote_request(chip,obj);
obj->ret = 0;
interruptible_sleep_on(&new_rtr_entry->rtr_wq);
- spin_lock_irqsave(&hardware_p->rtr_lock, flags);
+ can_spin_lock_irqsave(&hardware_p->rtr_lock, flags);
copy_to_user(buffer, &read_msg, sizeof(struct canmsg_t));
if (hardware_p->rtr_queue == new_rtr_entry) {
if (new_rtr_entry->next != NULL)
else
rtr_current->next=NULL;
}
- spin_unlock_irqrestore(&hardware_p->rtr_lock, flags);
+ can_spin_unlock_irqrestore(&hardware_p->rtr_lock, flags);
kfree(new_rtr_entry);
return obj->ret;
int ret=0;
if(!canuser || (canuser->magic != CAN_USER_MAGIC)){
- CANMSG("can_close: bad canuser magic\n");
+ CANMSG("can_read: bad canuser magic\n");
return -ENODEV;
}