int get_ed_from_ready_q(bool f_isperiodic,
ed_t **get_ed)
{
if(f_isperiodic)
{
otg_list_head *transreadyq_list_entity=NULL;
if(periodic_trans_ready_q.trans_ready_entry_num==0)
{
return USB_ERR_NO_ENTITY;
}
transreadyq_list_entity = periodic_trans_ready_q.trans_ready_q_list_head.next;
//if(transreadyq_list_entity!= &periodic_trans_ready_q.trans_ready_q_list_head)
if(!otg_list_empty(&periodic_trans_ready_q.trans_ready_q_list_head))
{
*get_ed = otg_list_get_node(transreadyq_list_entity,ed_t,trans_ready_q_list_entry);
otg_list_pop(transreadyq_list_entity);
periodic_trans_ready_q.trans_ready_entry_num--;
return USB_ERR_SUCCESS;
}
else
{
return USB_ERR_NO_ENTITY;
}
}
else
{
otg_list_head *transreadyq_list_entity=NULL;
if(nonperiodic_trans_ready_q.trans_ready_entry_num==0)
{
return USB_ERR_NO_ENTITY;
}
transreadyq_list_entity = nonperiodic_trans_ready_q.trans_ready_q_list_head.next;
//if(transreadyq_list_entity!= &nonperiodic_trans_ready_q.trans_ready_q_list_head)
if(!otg_list_empty(&nonperiodic_trans_ready_q.trans_ready_q_list_head))
{
*get_ed = otg_list_get_node(transreadyq_list_entity,ed_t, trans_ready_q_list_entry);
otg_list_pop(transreadyq_list_entity);
nonperiodic_trans_ready_q.trans_ready_entry_num--;
return USB_ERR_SUCCESS;
}
else
{
return USB_ERR_NO_ENTITY;
}
}
}
static int get_ed_from_ready_q(struct ed **get_ed, bool is_periodic)
{
otg_list_head *qlist = NULL;
/* periodic transfer : control and bulk */
if (is_periodic) {
if (periodic_trans_ready_q.entity_num == 0)
return USB_ERR_NO_ENTITY;
qlist = periodic_trans_ready_q.entity_list.next;
if (!otg_list_empty(&periodic_trans_ready_q.entity_list)) {
*get_ed = otg_list_get_node(qlist,
struct ed, readyq_list);
if (qlist->prev == LIST_POISON2 ||
qlist->next == LIST_POISON1) {
printk(KERN_ERR "shost scheduler: get_ed_from_ready_q error\n");
periodic_trans_ready_q.entity_num = 0;
} else {
otg_list_pop(qlist);
periodic_trans_ready_q.entity_num--;
get_ed[0]->ed_status.is_in_transfer_ready_q = false;
}
return USB_ERR_SUCCESS;
} else
return USB_ERR_NO_ENTITY;
int remove_ed_from_ready_q(ed_t *remove_ed)
{
// SPINLOCK_t SLForRemoveED_t = SPIN_LOCK_INIT;
// u32 uiSLFlag=0;
otg_list_pop(&remove_ed->trans_ready_q_list_entry);
if(remove_ed->ed_desc.endpoint_type == BULK_TRANSFER||
remove_ed->ed_desc.endpoint_type == CONTROL_TRANSFER)
{
// spin_lock_irq_save_otg(&SLForRemoveED_t, uiSLFlag);
// otg_list_pop(&remove_ed->trans_ready_q_list_entry);
nonperiodic_trans_ready_q.trans_ready_entry_num--;
// spin_unlock_irq_save_otg(&SLForRemoveED_t, uiSLFlag);
}
else
{
// spin_lock_irq_save_otg(&SLForRemoveED_t, uiSLFlag);
// otg_list_pop(&remove_ed->trans_ready_q_list_entry);
periodic_trans_ready_q.trans_ready_entry_num--;
// spin_unlock_irq_save_otg(&SLForRemoveED_t, uiSLFlag);
}
return USB_ERR_SUCCESS;
}
static int remove_ed_from_ready_q(struct ed *remove_ed)
{
otg_dbg(OTG_DBG_SCHEDULE_ED, "ed_id %d, td_id %d\n",
remove_ed->ed_id, remove_ed->num_td);
otg_list_pop(&remove_ed->readyq_list);
if (remove_ed->ed_desc.endpoint_type == BULK_TRANSFER ||
remove_ed->ed_desc.endpoint_type == CONTROL_TRANSFER) {
nonperiodic_trans_ready_q.entity_num--;
} else
periodic_trans_ready_q.entity_num--;
return USB_ERR_SUCCESS;
}