38 static inline void ehci_qtd_init(struct ehci_hcd *ehci, struct ehci_qtd *qtd,  in ehci_qtd_init()  argument
43 	qtd->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT);  in ehci_qtd_init()
44 	qtd->hw_next = EHCI_LIST_END(ehci);  in ehci_qtd_init()
45 	qtd->hw_alt_next = EHCI_LIST_END(ehci);  in ehci_qtd_init()
49 static struct ehci_qtd *ehci_qtd_alloc (struct ehci_hcd *ehci, gfp_t flags)  in ehci_qtd_alloc()  argument
54 	qtd = dma_pool_alloc (ehci->qtd_pool, flags, &dma);  in ehci_qtd_alloc()
56 		ehci_qtd_init(ehci, qtd, dma);  in ehci_qtd_alloc()
61 static inline void ehci_qtd_free (struct ehci_hcd *ehci, struct ehci_qtd *qtd)  in ehci_qtd_free()  argument
63 	dma_pool_free (ehci->qtd_pool, qtd, qtd->qtd_dma);  in ehci_qtd_free()
67 static void qh_destroy(struct ehci_hcd *ehci, struct ehci_qh *qh)  in qh_destroy()  argument
71 		ehci_dbg (ehci, "unused qh not empty!\n");  in qh_destroy()
75 		ehci_qtd_free (ehci, qh->dummy);  in qh_destroy()
76 	dma_pool_free(ehci->qh_pool, qh->hw, qh->qh_dma);  in qh_destroy()
80 static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, gfp_t flags)  in ehci_qh_alloc()  argument
89 		dma_pool_alloc(ehci->qh_pool, flags, &dma);  in ehci_qh_alloc()
99 	qh->dummy = ehci_qtd_alloc (ehci, flags);  in ehci_qh_alloc()
101 		ehci_dbg (ehci, "no dummy td\n");  in ehci_qh_alloc()
107 	dma_pool_free(ehci->qh_pool, qh->hw, qh->qh_dma);  in ehci_qh_alloc()
120 static void ehci_mem_cleanup (struct ehci_hcd *ehci)  in ehci_mem_cleanup()  argument
122 	if (ehci->async)  in ehci_mem_cleanup()
123 		qh_destroy(ehci, ehci->async);  in ehci_mem_cleanup()
124 	ehci->async = NULL;  in ehci_mem_cleanup()
126 	if (ehci->dummy)  in ehci_mem_cleanup()
127 		qh_destroy(ehci, ehci->dummy);  in ehci_mem_cleanup()
128 	ehci->dummy = NULL;  in ehci_mem_cleanup()
131 	if (ehci->qtd_pool)  in ehci_mem_cleanup()
132 		dma_pool_destroy (ehci->qtd_pool);  in ehci_mem_cleanup()
133 	ehci->qtd_pool = NULL;  in ehci_mem_cleanup()
135 	if (ehci->qh_pool) {  in ehci_mem_cleanup()
136 		dma_pool_destroy (ehci->qh_pool);  in ehci_mem_cleanup()
137 		ehci->qh_pool = NULL;  in ehci_mem_cleanup()
140 	if (ehci->itd_pool)  in ehci_mem_cleanup()
141 		dma_pool_destroy (ehci->itd_pool);  in ehci_mem_cleanup()
142 	ehci->itd_pool = NULL;  in ehci_mem_cleanup()
144 	if (ehci->sitd_pool)  in ehci_mem_cleanup()
145 		dma_pool_destroy (ehci->sitd_pool);  in ehci_mem_cleanup()
146 	ehci->sitd_pool = NULL;  in ehci_mem_cleanup()
148 	if (ehci->periodic)  in ehci_mem_cleanup()
149 		dma_free_coherent (ehci_to_hcd(ehci)->self.controller,  in ehci_mem_cleanup()
150 			ehci->periodic_size * sizeof (u32),  in ehci_mem_cleanup()
151 			ehci->periodic, ehci->periodic_dma);  in ehci_mem_cleanup()
152 	ehci->periodic = NULL;  in ehci_mem_cleanup()
155 	kfree(ehci->pshadow);  in ehci_mem_cleanup()
156 	ehci->pshadow = NULL;  in ehci_mem_cleanup()
160 static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)  in ehci_mem_init()  argument
165 	ehci->qtd_pool = dma_pool_create ("ehci_qtd",  in ehci_mem_init()
166 			ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
170 	if (!ehci->qtd_pool) {  in ehci_mem_init()
175 	ehci->qh_pool = dma_pool_create ("ehci_qh",  in ehci_mem_init()
176 			ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
180 	if (!ehci->qh_pool) {  in ehci_mem_init()
183 	ehci->async = ehci_qh_alloc (ehci, flags);  in ehci_mem_init()
184 	if (!ehci->async) {  in ehci_mem_init()
189 	ehci->itd_pool = dma_pool_create ("ehci_itd",  in ehci_mem_init()
190 			ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
194 	if (!ehci->itd_pool) {  in ehci_mem_init()
199 	ehci->sitd_pool = dma_pool_create ("ehci_sitd",  in ehci_mem_init()
200 			ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
204 	if (!ehci->sitd_pool) {  in ehci_mem_init()
209 	ehci->periodic = (__le32 *)  in ehci_mem_init()
210 		dma_alloc_coherent (ehci_to_hcd(ehci)->self.controller,  in ehci_mem_init()
211 			ehci->periodic_size * sizeof(__le32),  in ehci_mem_init()
212 			&ehci->periodic_dma, flags);  in ehci_mem_init()
213 	if (ehci->periodic == NULL) {  in ehci_mem_init()
217 	if (ehci->use_dummy_qh) {  in ehci_mem_init()
219 		ehci->dummy = ehci_qh_alloc(ehci, flags);  in ehci_mem_init()
220 		if (!ehci->dummy)  in ehci_mem_init()
223 		hw = ehci->dummy->hw;  in ehci_mem_init()
224 		hw->hw_next = EHCI_LIST_END(ehci);  in ehci_mem_init()
225 		hw->hw_qtd_next = EHCI_LIST_END(ehci);  in ehci_mem_init()
226 		hw->hw_alt_next = EHCI_LIST_END(ehci);  in ehci_mem_init()
227 		ehci->dummy->hw = hw;  in ehci_mem_init()
229 		for (i = 0; i < ehci->periodic_size; i++)  in ehci_mem_init()
230 			ehci->periodic[i] = cpu_to_hc32(ehci,  in ehci_mem_init()
231 					ehci->dummy->qh_dma);  in ehci_mem_init()
233 		for (i = 0; i < ehci->periodic_size; i++)  in ehci_mem_init()
234 			ehci->periodic[i] = EHCI_LIST_END(ehci);  in ehci_mem_init()
238 	ehci->pshadow = kcalloc(ehci->periodic_size, sizeof(void *), flags);  in ehci_mem_init()
239 	if (ehci->pshadow != NULL)  in ehci_mem_init()
243 	ehci_dbg (ehci, "couldn't init memory\n");  in ehci_mem_init()
244 	ehci_mem_cleanup (ehci);  in ehci_mem_init()