25 static inline void ehci_qtd_init(struct ehci_hcd *ehci, struct ehci_qtd *qtd,  in ehci_qtd_init()  argument
30 	qtd->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT);  in ehci_qtd_init()
31 	qtd->hw_next = EHCI_LIST_END(ehci);  in ehci_qtd_init()
32 	qtd->hw_alt_next = EHCI_LIST_END(ehci);  in ehci_qtd_init()
36 static struct ehci_qtd *ehci_qtd_alloc (struct ehci_hcd *ehci, gfp_t flags)  in ehci_qtd_alloc()  argument
41 	qtd = dma_pool_alloc (ehci->qtd_pool, flags, &dma);  in ehci_qtd_alloc()
43 		ehci_qtd_init(ehci, qtd, dma);  in ehci_qtd_alloc()
48 static inline void ehci_qtd_free (struct ehci_hcd *ehci, struct ehci_qtd *qtd)  in ehci_qtd_free()  argument
50 	dma_pool_free (ehci->qtd_pool, qtd, qtd->qtd_dma);  in ehci_qtd_free()
54 static void qh_destroy(struct ehci_hcd *ehci, struct ehci_qh *qh)  in qh_destroy()  argument
58 		ehci_dbg (ehci, "unused qh not empty!\n");  in qh_destroy()
62 		ehci_qtd_free (ehci, qh->dummy);  in qh_destroy()
63 	dma_pool_free(ehci->qh_pool, qh->hw, qh->qh_dma);  in qh_destroy()
67 static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, gfp_t flags)  in ehci_qh_alloc()  argument
76 		dma_pool_alloc(ehci->qh_pool, flags, &dma);  in ehci_qh_alloc()
86 	qh->dummy = ehci_qtd_alloc (ehci, flags);  in ehci_qh_alloc()
88 		ehci_dbg (ehci, "no dummy td\n");  in ehci_qh_alloc()
94 	dma_pool_free(ehci->qh_pool, qh->hw, qh->qh_dma);  in ehci_qh_alloc()
107 static void ehci_mem_cleanup (struct ehci_hcd *ehci)  in ehci_mem_cleanup()  argument
109 	if (ehci->async)  in ehci_mem_cleanup()
110 		qh_destroy(ehci, ehci->async);  in ehci_mem_cleanup()
111 	ehci->async = NULL;  in ehci_mem_cleanup()
113 	if (ehci->dummy)  in ehci_mem_cleanup()
114 		qh_destroy(ehci, ehci->dummy);  in ehci_mem_cleanup()
115 	ehci->dummy = NULL;  in ehci_mem_cleanup()
118 	dma_pool_destroy(ehci->qtd_pool);  in ehci_mem_cleanup()
119 	ehci->qtd_pool = NULL;  in ehci_mem_cleanup()
120 	dma_pool_destroy(ehci->qh_pool);  in ehci_mem_cleanup()
121 	ehci->qh_pool = NULL;  in ehci_mem_cleanup()
122 	dma_pool_destroy(ehci->itd_pool);  in ehci_mem_cleanup()
123 	ehci->itd_pool = NULL;  in ehci_mem_cleanup()
124 	dma_pool_destroy(ehci->sitd_pool);  in ehci_mem_cleanup()
125 	ehci->sitd_pool = NULL;  in ehci_mem_cleanup()
127 	if (ehci->periodic)  in ehci_mem_cleanup()
128 		dma_free_coherent(ehci_to_hcd(ehci)->self.sysdev,  in ehci_mem_cleanup()
129 			ehci->periodic_size * sizeof (u32),  in ehci_mem_cleanup()
130 			ehci->periodic, ehci->periodic_dma);  in ehci_mem_cleanup()
131 	ehci->periodic = NULL;  in ehci_mem_cleanup()
134 	kfree(ehci->pshadow);  in ehci_mem_cleanup()
135 	ehci->pshadow = NULL;  in ehci_mem_cleanup()
139 static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)  in ehci_mem_init()  argument
144 	ehci->qtd_pool = dma_pool_create ("ehci_qtd",  in ehci_mem_init()
145 			ehci_to_hcd(ehci)->self.sysdev,  in ehci_mem_init()
149 	if (!ehci->qtd_pool) {  in ehci_mem_init()
154 	ehci->qh_pool = dma_pool_create ("ehci_qh",  in ehci_mem_init()
155 			ehci_to_hcd(ehci)->self.sysdev,  in ehci_mem_init()
159 	if (!ehci->qh_pool) {  in ehci_mem_init()
162 	ehci->async = ehci_qh_alloc (ehci, flags);  in ehci_mem_init()
163 	if (!ehci->async) {  in ehci_mem_init()
168 	ehci->itd_pool = dma_pool_create ("ehci_itd",  in ehci_mem_init()
169 			ehci_to_hcd(ehci)->self.sysdev,  in ehci_mem_init()
173 	if (!ehci->itd_pool) {  in ehci_mem_init()
178 	ehci->sitd_pool = dma_pool_create ("ehci_sitd",  in ehci_mem_init()
179 			ehci_to_hcd(ehci)->self.sysdev,  in ehci_mem_init()
183 	if (!ehci->sitd_pool) {  in ehci_mem_init()
188 	ehci->periodic = (__le32 *)  in ehci_mem_init()
189 		dma_alloc_coherent(ehci_to_hcd(ehci)->self.sysdev,  in ehci_mem_init()
190 			ehci->periodic_size * sizeof(__le32),  in ehci_mem_init()
191 			&ehci->periodic_dma, flags);  in ehci_mem_init()
192 	if (ehci->periodic == NULL) {  in ehci_mem_init()
196 	if (ehci->use_dummy_qh) {  in ehci_mem_init()
198 		ehci->dummy = ehci_qh_alloc(ehci, flags);  in ehci_mem_init()
199 		if (!ehci->dummy)  in ehci_mem_init()
202 		hw = ehci->dummy->hw;  in ehci_mem_init()
203 		hw->hw_next = EHCI_LIST_END(ehci);  in ehci_mem_init()
204 		hw->hw_qtd_next = EHCI_LIST_END(ehci);  in ehci_mem_init()
205 		hw->hw_alt_next = EHCI_LIST_END(ehci);  in ehci_mem_init()
206 		ehci->dummy->hw = hw;  in ehci_mem_init()
208 		for (i = 0; i < ehci->periodic_size; i++)  in ehci_mem_init()
209 			ehci->periodic[i] = cpu_to_hc32(ehci,  in ehci_mem_init()
210 					ehci->dummy->qh_dma);  in ehci_mem_init()
212 		for (i = 0; i < ehci->periodic_size; i++)  in ehci_mem_init()
213 			ehci->periodic[i] = EHCI_LIST_END(ehci);  in ehci_mem_init()
217 	ehci->pshadow = kcalloc(ehci->periodic_size, sizeof(void *), flags);  in ehci_mem_init()
218 	if (ehci->pshadow != NULL)  in ehci_mem_init()
222 	ehci_dbg (ehci, "couldn't init memory\n");  in ehci_mem_init()
223 	ehci_mem_cleanup (ehci);  in ehci_mem_init()