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-rw-r--r--drivers/usb/gadget/at91_udc.c21
-rw-r--r--drivers/usb/gadget/dummy_hcd.c36
-rw-r--r--drivers/usb/gadget/fsl_usb2_udc.c36
-rw-r--r--drivers/usb/gadget/goku_udc.c48
-rw-r--r--drivers/usb/gadget/lh7a40x_udc.c27
-rw-r--r--drivers/usb/gadget/net2280.c97
-rw-r--r--drivers/usb/gadget/omap_udc.c108
-rw-r--r--drivers/usb/gadget/pxa2xx_udc.c23
-rw-r--r--drivers/usb/gadget/s3c2410_udc.c33
-rw-r--r--include/linux/usb_gadget.h7
10 files changed, 0 insertions, 436 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index ba163f35bf21..63d7d6568699 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -601,25 +601,6 @@ static void at91_ep_free_request(struct usb_ep *_ep, struct usb_request *_req)
601 kfree(req); 601 kfree(req);
602} 602}
603 603
604static void *at91_ep_alloc_buffer(
605 struct usb_ep *_ep,
606 unsigned bytes,
607 dma_addr_t *dma,
608 gfp_t gfp_flags)
609{
610 *dma = ~0;
611 return kmalloc(bytes, gfp_flags);
612}
613
614static void at91_ep_free_buffer(
615 struct usb_ep *ep,
616 void *buf,
617 dma_addr_t dma,
618 unsigned bytes)
619{
620 kfree(buf);
621}
622
623static int at91_ep_queue(struct usb_ep *_ep, 604static int at91_ep_queue(struct usb_ep *_ep,
624 struct usb_request *_req, gfp_t gfp_flags) 605 struct usb_request *_req, gfp_t gfp_flags)
625{ 606{
@@ -788,8 +769,6 @@ static const struct usb_ep_ops at91_ep_ops = {
788 .disable = at91_ep_disable, 769 .disable = at91_ep_disable,
789 .alloc_request = at91_ep_alloc_request, 770 .alloc_request = at91_ep_alloc_request,
790 .free_request = at91_ep_free_request, 771 .free_request = at91_ep_free_request,
791 .alloc_buffer = at91_ep_alloc_buffer,
792 .free_buffer = at91_ep_free_buffer,
793 .queue = at91_ep_queue, 772 .queue = at91_ep_queue,
794 .dequeue = at91_ep_dequeue, 773 .dequeue = at91_ep_dequeue,
795 .set_halt = at91_ep_set_halt, 774 .set_halt = at91_ep_set_halt,
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 9040b50d6425..f2fbdc7fe376 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -497,38 +497,6 @@ dummy_free_request (struct usb_ep *_ep, struct usb_request *_req)
497 kfree (req); 497 kfree (req);
498} 498}
499 499
500static void *
501dummy_alloc_buffer (
502 struct usb_ep *_ep,
503 unsigned bytes,
504 dma_addr_t *dma,
505 gfp_t mem_flags
506) {
507 char *retval;
508 struct dummy_ep *ep;
509 struct dummy *dum;
510
511 ep = usb_ep_to_dummy_ep (_ep);
512 dum = ep_to_dummy (ep);
513
514 if (!dum->driver)
515 return NULL;
516 retval = kmalloc (bytes, mem_flags);
517 *dma = (dma_addr_t) retval;
518 return retval;
519}
520
521static void
522dummy_free_buffer (
523 struct usb_ep *_ep,
524 void *buf,
525 dma_addr_t dma,
526 unsigned bytes
527) {
528 if (bytes)
529 kfree (buf);
530}
531
532static void 500static void
533fifo_complete (struct usb_ep *ep, struct usb_request *req) 501fifo_complete (struct usb_ep *ep, struct usb_request *req)
534{ 502{
@@ -659,10 +627,6 @@ static const struct usb_ep_ops dummy_ep_ops = {
659 .alloc_request = dummy_alloc_request, 627 .alloc_request = dummy_alloc_request,
660 .free_request = dummy_free_request, 628 .free_request = dummy_free_request,
661 629
662 .alloc_buffer = dummy_alloc_buffer,
663 .free_buffer = dummy_free_buffer,
664 /* map, unmap, ... eventually hook the "generic" dma calls */
665
666 .queue = dummy_queue, 630 .queue = dummy_queue,
667 .dequeue = dummy_dequeue, 631 .dequeue = dummy_dequeue,
668 632
diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 4e14bcd7c3b1..10b2b33b8698 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -601,39 +601,6 @@ static void fsl_free_request(struct usb_ep *_ep, struct usb_request *_req)
601 kfree(req); 601 kfree(req);
602} 602}
603 603
604/*------------------------------------------------------------------
605 * Allocate an I/O buffer
606*---------------------------------------------------------------------*/
607static void *fsl_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
608 dma_addr_t *dma, gfp_t gfp_flags)
609{
610 struct fsl_ep *ep;
611
612 if (!_ep)
613 return NULL;
614
615 ep = container_of(_ep, struct fsl_ep, ep);
616
617 return dma_alloc_coherent(ep->udc->gadget.dev.parent,
618 bytes, dma, gfp_flags);
619}
620
621/*------------------------------------------------------------------
622 * frees an i/o buffer
623*---------------------------------------------------------------------*/
624static void fsl_free_buffer(struct usb_ep *_ep, void *buf,
625 dma_addr_t dma, unsigned bytes)
626{
627 struct fsl_ep *ep;
628
629 if (!_ep)
630 return;
631
632 ep = container_of(_ep, struct fsl_ep, ep);
633
634 dma_free_coherent(ep->udc->gadget.dev.parent, bytes, buf, dma);
635}
636
637/*-------------------------------------------------------------------------*/ 604/*-------------------------------------------------------------------------*/
638static int fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req) 605static int fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
639{ 606{
@@ -1047,9 +1014,6 @@ static struct usb_ep_ops fsl_ep_ops = {
1047 .alloc_request = fsl_alloc_request, 1014 .alloc_request = fsl_alloc_request,
1048 .free_request = fsl_free_request, 1015 .free_request = fsl_free_request,
1049 1016
1050 .alloc_buffer = fsl_alloc_buffer,
1051 .free_buffer = fsl_free_buffer,
1052
1053 .queue = fsl_ep_queue, 1017 .queue = fsl_ep_queue,
1054 .dequeue = fsl_ep_dequeue, 1018 .dequeue = fsl_ep_dequeue,
1055 1019
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index ae931af05cef..dfadb643597b 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -296,51 +296,6 @@ goku_free_request(struct usb_ep *_ep, struct usb_request *_req)
296 296
297/*-------------------------------------------------------------------------*/ 297/*-------------------------------------------------------------------------*/
298 298
299/* allocating buffers this way eliminates dma mapping overhead, which
300 * on some platforms will mean eliminating a per-io buffer copy. with
301 * some kinds of system caches, further tweaks may still be needed.
302 */
303static void *
304goku_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
305 dma_addr_t *dma, gfp_t gfp_flags)
306{
307 void *retval;
308 struct goku_ep *ep;
309
310 ep = container_of(_ep, struct goku_ep, ep);
311 if (!_ep)
312 return NULL;
313 *dma = DMA_ADDR_INVALID;
314
315 if (ep->dma) {
316 /* the main problem with this call is that it wastes memory
317 * on typical 1/N page allocations: it allocates 1-N pages.
318 */
319#warning Using dma_alloc_coherent even with buffers smaller than a page.
320 retval = dma_alloc_coherent(&ep->dev->pdev->dev,
321 bytes, dma, gfp_flags);
322 } else
323 retval = kmalloc(bytes, gfp_flags);
324 return retval;
325}
326
327static void
328goku_free_buffer(struct usb_ep *_ep, void *buf, dma_addr_t dma, unsigned bytes)
329{
330 /* free memory into the right allocator */
331 if (dma != DMA_ADDR_INVALID) {
332 struct goku_ep *ep;
333
334 ep = container_of(_ep, struct goku_ep, ep);
335 if (!_ep)
336 return;
337 dma_free_coherent(&ep->dev->pdev->dev, bytes, buf, dma);
338 } else
339 kfree (buf);
340}
341
342/*-------------------------------------------------------------------------*/
343
344static void 299static void
345done(struct goku_ep *ep, struct goku_request *req, int status) 300done(struct goku_ep *ep, struct goku_request *req, int status)
346{ 301{
@@ -1026,9 +981,6 @@ static struct usb_ep_ops goku_ep_ops = {
1026 .alloc_request = goku_alloc_request, 981 .alloc_request = goku_alloc_request,
1027 .free_request = goku_free_request, 982 .free_request = goku_free_request,
1028 983
1029 .alloc_buffer = goku_alloc_buffer,
1030 .free_buffer = goku_free_buffer,
1031
1032 .queue = goku_queue, 984 .queue = goku_queue,
1033 .dequeue = goku_dequeue, 985 .dequeue = goku_dequeue,
1034 986
diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c
index a0a73c08a344..e78c2ddc1f88 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -75,10 +75,6 @@ static int lh7a40x_ep_enable(struct usb_ep *ep,
75static int lh7a40x_ep_disable(struct usb_ep *ep); 75static int lh7a40x_ep_disable(struct usb_ep *ep);
76static struct usb_request *lh7a40x_alloc_request(struct usb_ep *ep, gfp_t); 76static struct usb_request *lh7a40x_alloc_request(struct usb_ep *ep, gfp_t);
77static void lh7a40x_free_request(struct usb_ep *ep, struct usb_request *); 77static void lh7a40x_free_request(struct usb_ep *ep, struct usb_request *);
78static void *lh7a40x_alloc_buffer(struct usb_ep *ep, unsigned, dma_addr_t *,
79 gfp_t);
80static void lh7a40x_free_buffer(struct usb_ep *ep, void *, dma_addr_t,
81 unsigned);
82static int lh7a40x_queue(struct usb_ep *ep, struct usb_request *, gfp_t); 78static int lh7a40x_queue(struct usb_ep *ep, struct usb_request *, gfp_t);
83static int lh7a40x_dequeue(struct usb_ep *ep, struct usb_request *); 79static int lh7a40x_dequeue(struct usb_ep *ep, struct usb_request *);
84static int lh7a40x_set_halt(struct usb_ep *ep, int); 80static int lh7a40x_set_halt(struct usb_ep *ep, int);
@@ -104,9 +100,6 @@ static struct usb_ep_ops lh7a40x_ep_ops = {
104 .alloc_request = lh7a40x_alloc_request, 100 .alloc_request = lh7a40x_alloc_request,
105 .free_request = lh7a40x_free_request, 101 .free_request = lh7a40x_free_request,
106 102
107 .alloc_buffer = lh7a40x_alloc_buffer,
108 .free_buffer = lh7a40x_free_buffer,
109
110 .queue = lh7a40x_queue, 103 .queue = lh7a40x_queue,
111 .dequeue = lh7a40x_dequeue, 104 .dequeue = lh7a40x_dequeue,
112 105
@@ -1134,26 +1127,6 @@ static void lh7a40x_free_request(struct usb_ep *ep, struct usb_request *_req)
1134 kfree(req); 1127 kfree(req);
1135} 1128}
1136 1129
1137static void *lh7a40x_alloc_buffer(struct usb_ep *ep, unsigned bytes,
1138 dma_addr_t * dma, gfp_t gfp_flags)
1139{
1140 char *retval;
1141
1142 DEBUG("%s (%p, %d, %d)\n", __FUNCTION__, ep, bytes, gfp_flags);
1143
1144 retval = kmalloc(bytes, gfp_flags & ~(__GFP_DMA | __GFP_HIGHMEM));
1145 if (retval)
1146 *dma = virt_to_bus(retval);
1147 return retval;
1148}
1149
1150static void lh7a40x_free_buffer(struct usb_ep *ep, void *buf, dma_addr_t dma,
1151 unsigned bytes)
1152{
1153 DEBUG("%s, %p\n", __FUNCTION__, ep);
1154 kfree(buf);
1155}
1156
1157/** Queue one request 1130/** Queue one request
1158 * Kickstart transfer if needed 1131 * Kickstart transfer if needed
1159 * NOTE: Sets INDEX register 1132 * NOTE: Sets INDEX register
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 00fda334dc72..c3d364ecd4f8 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -450,100 +450,6 @@ net2280_free_request (struct usb_ep *_ep, struct usb_request *_req)
450 450
451/*-------------------------------------------------------------------------*/ 451/*-------------------------------------------------------------------------*/
452 452
453/*
454 * dma-coherent memory allocation (for dma-capable endpoints)
455 *
456 * NOTE: the dma_*_coherent() API calls suck. Most implementations are
457 * (a) page-oriented, so small buffers lose big; and (b) asymmetric with
458 * respect to calls with irqs disabled: alloc is safe, free is not.
459 * We currently work around (b), but not (a).
460 */
461
462static void *
463net2280_alloc_buffer (
464 struct usb_ep *_ep,
465 unsigned bytes,
466 dma_addr_t *dma,
467 gfp_t gfp_flags
468)
469{
470 void *retval;
471 struct net2280_ep *ep;
472
473 ep = container_of (_ep, struct net2280_ep, ep);
474 if (!_ep)
475 return NULL;
476 *dma = DMA_ADDR_INVALID;
477
478 if (ep->dma)
479 retval = dma_alloc_coherent(&ep->dev->pdev->dev,
480 bytes, dma, gfp_flags);
481 else
482 retval = kmalloc(bytes, gfp_flags);
483 return retval;
484}
485
486static DEFINE_SPINLOCK(buflock);
487static LIST_HEAD(buffers);
488
489struct free_record {
490 struct list_head list;
491 struct device *dev;
492 unsigned bytes;
493 dma_addr_t dma;
494};
495
496static void do_free(unsigned long ignored)
497{
498 spin_lock_irq(&buflock);
499 while (!list_empty(&buffers)) {
500 struct free_record *buf;
501
502 buf = list_entry(buffers.next, struct free_record, list);
503 list_del(&buf->list);
504 spin_unlock_irq(&buflock);
505
506 dma_free_coherent(buf->dev, buf->bytes, buf, buf->dma);
507
508 spin_lock_irq(&buflock);
509 }
510 spin_unlock_irq(&buflock);
511}
512
513static DECLARE_TASKLET(deferred_free, do_free, 0);
514
515static void
516net2280_free_buffer (
517 struct usb_ep *_ep,
518 void *address,
519 dma_addr_t dma,
520 unsigned bytes
521) {
522 /* free memory into the right allocator */
523 if (dma != DMA_ADDR_INVALID) {
524 struct net2280_ep *ep;
525 struct free_record *buf = address;
526 unsigned long flags;
527
528 ep = container_of(_ep, struct net2280_ep, ep);
529 if (!_ep)
530 return;
531
532 ep = container_of (_ep, struct net2280_ep, ep);
533 buf->dev = &ep->dev->pdev->dev;
534 buf->bytes = bytes;
535 buf->dma = dma;
536
537 spin_lock_irqsave(&buflock, flags);
538 list_add_tail(&buf->list, &buffers);
539 tasklet_schedule(&deferred_free);
540 spin_unlock_irqrestore(&buflock, flags);
541 } else
542 kfree (address);
543}
544
545/*-------------------------------------------------------------------------*/
546
547/* load a packet into the fifo we use for usb IN transfers. 453/* load a packet into the fifo we use for usb IN transfers.
548 * works for all endpoints. 454 * works for all endpoints.
549 * 455 *
@@ -1392,9 +1298,6 @@ static const struct usb_ep_ops net2280_ep_ops = {
1392 .alloc_request = net2280_alloc_request, 1298 .alloc_request = net2280_alloc_request,
1393 .free_request = net2280_free_request, 1299 .free_request = net2280_free_request,
1394 1300
1395 .alloc_buffer = net2280_alloc_buffer,
1396 .free_buffer = net2280_free_buffer,
1397
1398 .queue = net2280_queue, 1301 .queue = net2280_queue,
1399 .dequeue = net2280_dequeue, 1302 .dequeue = net2280_dequeue,
1400 1303
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index c4975a6cf777..9b0f0925dddf 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -296,111 +296,6 @@ omap_free_request(struct usb_ep *ep, struct usb_request *_req)
296 296
297/*-------------------------------------------------------------------------*/ 297/*-------------------------------------------------------------------------*/
298 298
299/*
300 * dma-coherent memory allocation (for dma-capable endpoints)
301 *
302 * NOTE: the dma_*_coherent() API calls suck. Most implementations are
303 * (a) page-oriented, so small buffers lose big; and (b) asymmetric with
304 * respect to calls with irqs disabled: alloc is safe, free is not.
305 * We currently work around (b), but not (a).
306 */
307
308static void *
309omap_alloc_buffer(
310 struct usb_ep *_ep,
311 unsigned bytes,
312 dma_addr_t *dma,
313 gfp_t gfp_flags
314)
315{
316 void *retval;
317 struct omap_ep *ep;
318
319 if (!_ep)
320 return NULL;
321
322 ep = container_of(_ep, struct omap_ep, ep);
323 if (use_dma && ep->has_dma) {
324 static int warned;
325 if (!warned && bytes < PAGE_SIZE) {
326 dev_warn(ep->udc->gadget.dev.parent,
327 "using dma_alloc_coherent for "
328 "small allocations wastes memory\n");
329 warned++;
330 }
331 return dma_alloc_coherent(ep->udc->gadget.dev.parent,
332 bytes, dma, gfp_flags);
333 }
334
335 retval = kmalloc(bytes, gfp_flags);
336 if (retval)
337 *dma = virt_to_phys(retval);
338 return retval;
339}
340
341static DEFINE_SPINLOCK(buflock);
342static LIST_HEAD(buffers);
343
344struct free_record {
345 struct list_head list;
346 struct device *dev;
347 unsigned bytes;
348 dma_addr_t dma;
349};
350
351static void do_free(unsigned long ignored)
352{
353 spin_lock_irq(&buflock);
354 while (!list_empty(&buffers)) {
355 struct free_record *buf;
356
357 buf = list_entry(buffers.next, struct free_record, list);
358 list_del(&buf->list);
359 spin_unlock_irq(&buflock);
360
361 dma_free_coherent(buf->dev, buf->bytes, buf, buf->dma);
362
363 spin_lock_irq(&buflock);
364 }
365 spin_unlock_irq(&buflock);
366}
367
368static DECLARE_TASKLET(deferred_free, do_free, 0);
369
370static void omap_free_buffer(
371 struct usb_ep *_ep,
372 void *buf,
373 dma_addr_t dma,
374 unsigned bytes
375)
376{
377 if (!_ep) {
378 WARN_ON(1);
379 return;
380 }
381
382 /* free memory into the right allocator */
383 if (dma != DMA_ADDR_INVALID) {
384 struct omap_ep *ep;
385 struct free_record *rec = buf;
386 unsigned long flags;
387
388 ep = container_of(_ep, struct omap_ep, ep);
389
390 rec->dev = ep->udc->gadget.dev.parent;
391 rec->bytes = bytes;
392 rec->dma = dma;
393
394 spin_lock_irqsave(&buflock, flags);
395 list_add_tail(&rec->list, &buffers);
396 tasklet_schedule(&deferred_free);
397 spin_unlock_irqrestore(&buflock, flags);
398 } else
399 kfree(buf);
400}
401
402/*-------------------------------------------------------------------------*/
403
404static void 299static void
405done(struct omap_ep *ep, struct omap_req *req, int status) 300done(struct omap_ep *ep, struct omap_req *req, int status)
406{ 301{
@@ -1271,9 +1166,6 @@ static struct usb_ep_ops omap_ep_ops = {
1271 .alloc_request = omap_alloc_request, 1166 .alloc_request = omap_alloc_request,
1272 .free_request = omap_free_request, 1167 .free_request = omap_free_request,
1273 1168
1274 .alloc_buffer = omap_alloc_buffer,
1275 .free_buffer = omap_free_buffer,
1276
1277 .queue = omap_ep_queue, 1169 .queue = omap_ep_queue,
1278 .dequeue = omap_ep_dequeue, 1170 .dequeue = omap_ep_dequeue,
1279 1171
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index 484de6e97662..63b9521c1322 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -341,26 +341,6 @@ pxa2xx_ep_free_request (struct usb_ep *_ep, struct usb_request *_req)
341 kfree(req); 341 kfree(req);
342} 342}
343 343
344
345static void *
346pxa2xx_ep_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
347 dma_addr_t *dma, gfp_t gfp_flags)
348{
349 char *retval;
350
351 retval = kmalloc (bytes, gfp_flags & ~(__GFP_DMA|__GFP_HIGHMEM));
352 if (retval)
353 *dma = (dma_addr_t)~0;
354 return retval;
355}
356
357static void
358pxa2xx_ep_free_buffer(struct usb_ep *_ep, void *buf, dma_addr_t dma,
359 unsigned bytes)
360{
361 kfree (buf);
362}
363
364/*-------------------------------------------------------------------------*/ 344/*-------------------------------------------------------------------------*/
365 345
366/* 346/*
@@ -927,9 +907,6 @@ static struct usb_ep_ops pxa2xx_ep_ops = {
927 .alloc_request = pxa2xx_ep_alloc_request, 907 .alloc_request = pxa2xx_ep_alloc_request,
928 .free_request = pxa2xx_ep_free_request, 908 .free_request = pxa2xx_ep_free_request,
929 909
930 .alloc_buffer = pxa2xx_ep_alloc_buffer,
931 .free_buffer = pxa2xx_ep_free_buffer,
932
933 .queue = pxa2xx_ep_queue, 910 .queue = pxa2xx_ep_queue,
934 .dequeue = pxa2xx_ep_dequeue, 911 .dequeue = pxa2xx_ep_dequeue,
935 912
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index d60748add325..0be80c635c48 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -1197,36 +1197,6 @@ s3c2410_udc_free_request(struct usb_ep *_ep, struct usb_request *_req)
1197} 1197}
1198 1198
1199/* 1199/*
1200 * s3c2410_udc_alloc_buffer
1201 */
1202static void *s3c2410_udc_alloc_buffer(struct usb_ep *_ep,
1203 unsigned bytes, dma_addr_t *dma, gfp_t mem_flags)
1204{
1205 char *retval;
1206
1207 dprintk(DEBUG_VERBOSE, "%s()\n", __func__);
1208
1209 if (!the_controller->driver)
1210 return NULL;
1211
1212 retval = kmalloc (bytes, mem_flags);
1213 *dma = (dma_addr_t) retval;
1214 return retval;
1215}
1216
1217/*
1218 * s3c2410_udc_free_buffer
1219 */
1220static void s3c2410_udc_free_buffer (struct usb_ep *_ep, void *buf,
1221 dma_addr_t dma, unsigned bytes)
1222{
1223 dprintk(DEBUG_VERBOSE, "%s()\n", __func__);
1224
1225 if (bytes)
1226 kfree (buf);
1227}
1228
1229/*
1230 * s3c2410_udc_queue 1200 * s3c2410_udc_queue
1231 */ 1201 */
1232static int s3c2410_udc_queue(struct usb_ep *_ep, struct usb_request *_req, 1202static int s3c2410_udc_queue(struct usb_ep *_ep, struct usb_request *_req,
@@ -1441,9 +1411,6 @@ static const struct usb_ep_ops s3c2410_ep_ops = {
1441 .alloc_request = s3c2410_udc_alloc_request, 1411 .alloc_request = s3c2410_udc_alloc_request,
1442 .free_request = s3c2410_udc_free_request, 1412 .free_request = s3c2410_udc_free_request,
1443 1413
1444 .alloc_buffer = s3c2410_udc_alloc_buffer,
1445 .free_buffer = s3c2410_udc_free_buffer,
1446
1447 .queue = s3c2410_udc_queue, 1414 .queue = s3c2410_udc_queue,
1448 .dequeue = s3c2410_udc_dequeue, 1415 .dequeue = s3c2410_udc_dequeue,
1449 1416
diff --git a/include/linux/usb_gadget.h b/include/linux/usb_gadget.h
index 703fd84c46fc..4f59b2aa8a9e 100644
--- a/include/linux/usb_gadget.h
+++ b/include/linux/usb_gadget.h
@@ -110,13 +110,6 @@ struct usb_ep_ops {
110 gfp_t gfp_flags); 110 gfp_t gfp_flags);
111 void (*free_request) (struct usb_ep *ep, struct usb_request *req); 111 void (*free_request) (struct usb_ep *ep, struct usb_request *req);
112 112
113 void *(*alloc_buffer) (struct usb_ep *ep, unsigned bytes,
114 dma_addr_t *dma, gfp_t gfp_flags);
115 void (*free_buffer) (struct usb_ep *ep, void *buf, dma_addr_t dma,
116 unsigned bytes);
117 // NOTE: on 2.6, drivers may also use dma_map() and
118 // dma_sync_single_*() to directly manage dma overhead.
119
120 int (*queue) (struct usb_ep *ep, struct usb_request *req, 113 int (*queue) (struct usb_ep *ep, struct usb_request *req,
121 gfp_t gfp_flags); 114 gfp_t gfp_flags);
122 int (*dequeue) (struct usb_ep *ep, struct usb_request *req); 115 int (*dequeue) (struct usb_ep *ep, struct usb_request *req);
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-30 06:21:24 -0500