{
ahcd->next_statechange = jiffies;
spin_lock_init(&ahcd->lock);
- INIT_LIST_HEAD(&ahcd->pending);
}
/*-------------------------------------------------------------------------*/
/*-------------------------------------------------------------------------*/
-/* ahcd "done list" processing needs this mapping */
-static inline struct td *dma_to_td(struct admhcd *ahcd, dma_addr_t td_dma)
-{
- struct td *td;
-
- td_dma &= TD_MASK;
- td = ahcd->td_hash[TD_HASH_FUNC(td_dma)];
- while (td && td->td_dma != td_dma)
- td = td->td_hash;
-
- return td;
-}
-
/* TDs ... */
static struct td *td_alloc(struct admhcd *ahcd, gfp_t mem_flags)
{
/* in case ahcd fetches it, make it look dead */
memset(td, 0, sizeof *td);
- td->hwNextTD = cpu_to_hc32(ahcd, dma);
td->td_dma = dma;
- /* hashed in td_fill */
return td;
}
static void td_free(struct admhcd *ahcd, struct td *td)
{
- struct td **prev = &ahcd->td_hash[TD_HASH_FUNC(td->td_dma)];
-
- while (*prev && *prev != td)
- prev = &(*prev)->td_hash;
- if (*prev)
- *prev = td->td_hash;
-#if 0
- /* TODO: remove */
- else if ((td->hwINFO & cpu_to_hc32(ahcd, TD_DONE)) != 0)
- admhc_dbg (ahcd, "no hash for td %p\n", td);
-#else
- else if ((td->flags & TD_FLAG_DONE) != 0)
- admhc_dbg (ahcd, "no hash for td %p\n", td);
-#endif
dma_pool_free(ahcd->td_cache, td, td->td_dma);
}
memset(ed, 0, sizeof(*ed));
ed->dma = dma;
- INIT_LIST_HEAD(&ed->td_list);
- INIT_LIST_HEAD(&ed->urb_list);
+ INIT_LIST_HEAD(&ed->urb_pending);
return ed;
}
if (urb_priv->td[i])
td_free(ahcd, urb_priv->td[i]);
- list_del(&urb_priv->pending);
kfree(urb_priv);
}
gfp_t mem_flags)
{
struct urb_priv *priv;
+ int i;
/* allocate the private part of the URB */
priv = kzalloc(sizeof(*priv) + sizeof(struct td) * num_tds, mem_flags);
if (!priv)
goto err;
- /* allocate the TDs (deferring hash chain updates) */
- for (priv->td_cnt = 0; priv->td_cnt < num_tds; priv->td_cnt++) {
- priv->td[priv->td_cnt] = td_alloc(ahcd, mem_flags);
- if (priv->td[priv->td_cnt] == NULL)
+ /* allocate the TDs */
+ for (i = 0; i < num_tds; i++) {
+ priv->td[i] = td_alloc(ahcd, mem_flags);
+ if (priv->td[i] == NULL)
goto err_free;
+ priv->td[i]->index = i;
}
INIT_LIST_HEAD(&priv->pending);
+ priv->td_cnt = num_tds;
return priv;