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Searched refs:fifo (Results 1 – 25 of 569) sorted by relevance

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/linux/drivers/staging/fwserial/
A Ddma_fifo.c40 memset(fifo, 0, sizeof(*fifo)); in dma_fifo_init()
125 fifo->avail = fifo->size; in dma_fifo_reset()
158 if (FAIL(fifo, addr_check(fifo->done, fifo->in, fifo->in + n) || in dma_fifo_in()
161 fifo->in, fifo->out, fifo->done, n, fifo->avail)) in dma_fifo_in()
210 fifo->in = fifo->out; in dma_fifo_out_pend()
213 fifo->in = fifo->out; in dma_fifo_out_pend()
217 fifo->out, fifo->done, n, len, fifo->avail); in dma_fifo_out_pend()
225 if (FAIL(fifo, fifo->open > fifo->open_limit, in dma_fifo_out_pend()
229 if (FAIL(fifo, fifo->out & (fifo->align - 1), in dma_fifo_out_pend()
274 fifo->in, fifo->out, fifo->done, pending->out, in dma_fifo_out_complete()
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A Ddma_fifo.h75 void dma_fifo_init(struct dma_fifo *fifo);
78 void dma_fifo_free(struct dma_fifo *fifo);
79 void dma_fifo_reset(struct dma_fifo *fifo);
82 int dma_fifo_out_complete(struct dma_fifo *fifo,
86 static inline int dma_fifo_level(struct dma_fifo *fifo) in dma_fifo_level() argument
88 return fifo->size - fifo->avail; in dma_fifo_level()
94 return fifo->in - fifo->out; in dma_fifo_out_level()
100 return fifo->avail; in dma_fifo_avail()
106 return fifo->open == fifo->open_limit; in dma_fifo_busy()
112 tx_limit = round_down(tx_limit, fifo->align); in dma_fifo_change_tx_limit()
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/linux/lib/
A Dkfifo.c21 return (fifo->mask + 1) - (fifo->in - fifo->out); in kfifo_unused()
33 fifo->in = 0; in __kfifo_alloc()
122 kfifo_copy_in(fifo, buf, len, fifo->in); in __kfifo_in()
157 l = fifo->in - fifo->out; in __kfifo_out_peek()
161 kfifo_copy_out(fifo, buf, len, fifo->out); in __kfifo_out_peek()
281 l = fifo->in - fifo->out; in __kfifo_to_user()
374 l = fifo->in - fifo->out; in __kfifo_dma_out_prepare()
469 if (fifo->in == fifo->out) in __kfifo_out_peek_r()
481 if (fifo->in == fifo->out) in __kfifo_out_r()
529 if (fifo->in == fifo->out) { in __kfifo_to_user_r()
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/linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/
A Dbase.c43 fifo->func->recover_chan(fifo, chid); in nvkm_fifo_recover_chan()
50 return fifo->func->pause(fifo, flags); in nvkm_fifo_pause()
56 return fifo->func->start(fifo, flags); in nvkm_fifo_start()
62 return fifo->func->fault(fifo, info); in nvkm_fifo_fault()
175 fifo->func->uevent_fini(fifo); in nvkm_fifo_uevent_fini()
182 fifo->func->uevent_init(fifo); in nvkm_fifo_uevent_init()
278 fifo->func->intr(fifo); in nvkm_fifo_intr()
286 fifo->func->fini(fifo); in nvkm_fifo_fini()
309 return fifo->func->oneinit(fifo); in nvkm_fifo_oneinit()
323 fifo->func->init(fifo); in nvkm_fifo_init()
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A Dgk104.c176 mem = fifo->runlist[runl].mem[fifo->runlist[runl].next]; in gk104_fifo_runlist_update()
177 fifo->runlist[runl].next = !fifo->runlist[runl].next; in gk104_fifo_runlist_update()
551 int engn = fifo->base.func->engine_id(&fifo->base, engine); in gk104_fifo_fault()
838 fifo->func->intr.fault(&fifo->base, unit); in gk104_fifo_intr()
946 fifo->pbdma_nr = fifo->func->pbdma->nr(fifo); in gk104_fifo_oneinit()
986 fifo->engine_nr = max(fifo->engine_nr, engn + 1); in gk104_fifo_oneinit()
991 fifo->runlist_nr = max(fifo->runlist_nr, tdev->runlist + 1); in gk104_fifo_oneinit()
1034 fifo->func->pbdma->init(fifo); in gk104_fifo_init()
1052 fifo->func->pbdma->init_timeout(fifo); in gk104_fifo_init()
1073 return fifo; in gk104_fifo_dtor()
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A Dtu102.c121 struct gk104_fifo *fifo = container_of(w, typeof(*fifo), recover.work); in tu102_fifo_recover_work() local
129 runm = fifo->recover.runm; in tu102_fifo_recover_work()
130 engm = fifo->recover.engm; in tu102_fifo_recover_work()
131 fifo->recover.engm = 0; in tu102_fifo_recover_work()
132 fifo->recover.runm = 0; in tu102_fifo_recover_work()
162 fifo->recover.runm |= runm; in tu102_fifo_recover_runl()
251 fifo->recover.engm |= engm; in tu102_fifo_recover_engn()
468 struct gk104_fifo *fifo; in tu102_fifo_new() local
470 if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL))) in tu102_fifo_new()
472 fifo->func = &tu102_fifo; in tu102_fifo_new()
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A Dgf100.c61 cur = fifo->runlist.mem[fifo->runlist.active]; in gf100_fifo_runlist_commit()
62 fifo->runlist.active = !fifo->runlist.active; in gf100_fifo_runlist_commit()
149 struct gf100_fifo *fifo = container_of(w, typeof(*fifo), recover.work); in gf100_fifo_recover_work() local
156 engm = fifo->recover.mask; in gf100_fifo_recover_work()
157 fifo->recover.mask = 0ULL; in gf100_fifo_recover_work()
606 &fifo->user.bar); in gf100_fifo_oneinit()
610 return nvkm_memory_map(fifo->user.mem, 0, bar, fifo->user.bar, NULL, 0); in gf100_fifo_oneinit()
665 return fifo; in gf100_fifo_dtor()
690 struct gf100_fifo *fifo; in gf100_fifo_new() local
692 if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL))) in gf100_fifo_new()
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A DKbuild2 nvkm-y += nvkm/engine/fifo/base.o
3 nvkm-y += nvkm/engine/fifo/nv04.o
4 nvkm-y += nvkm/engine/fifo/nv10.o
5 nvkm-y += nvkm/engine/fifo/nv17.o
6 nvkm-y += nvkm/engine/fifo/nv40.o
7 nvkm-y += nvkm/engine/fifo/nv50.o
8 nvkm-y += nvkm/engine/fifo/g84.o
9 nvkm-y += nvkm/engine/fifo/gf100.o
10 nvkm-y += nvkm/engine/fifo/gk104.o
11 nvkm-y += nvkm/engine/fifo/gk110.o
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A Dnv50.c36 cur = fifo->runlist[fifo->cur_runlist]; in nv50_fifo_runlist_update_locked()
37 fifo->cur_runlist = !fifo->cur_runlist; in nv50_fifo_runlist_update_locked()
54 mutex_lock(&fifo->base.mutex); in nv50_fifo_runlist_update()
55 nv50_fifo_runlist_update_locked(fifo); in nv50_fifo_runlist_update()
56 mutex_unlock(&fifo->base.mutex); in nv50_fifo_runlist_update()
67 false, &fifo->runlist[0]); in nv50_fifo_oneinit()
72 false, &fifo->runlist[1]); in nv50_fifo_oneinit()
105 return fifo; in nv50_fifo_dtor()
112 struct nv50_fifo *fifo; in nv50_fifo_new_() local
115 if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL))) in nv50_fifo_new_()
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A Ddmanv04.c41 mutex_lock(&chan->fifo->base.mutex); in nv04_fifo_dma_object_dtor()
43 mutex_unlock(&chan->fifo->base.mutex); in nv04_fifo_dma_object_dtor()
66 mutex_lock(&chan->fifo->base.mutex); in nv04_fifo_dma_object_ctor()
69 mutex_unlock(&chan->fifo->base.mutex); in nv04_fifo_dma_object_ctor()
77 struct nv04_fifo *fifo = chan->fifo; in nv04_fifo_dma_fini() local
82 u32 mask = fifo->base.nr - 1; in nv04_fifo_dma_fini()
97 c = fifo->ramfc; in nv04_fifo_dma_fini()
108 c = fifo->ramfc; in nv04_fifo_dma_fini()
130 struct nv04_fifo *fifo = chan->fifo; in nv04_fifo_dma_init() local
143 struct nv04_fifo *fifo = chan->fifo; in nv04_fifo_dma_dtor() local
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A Dnv04.c49 __acquires(fifo->base.lock) in nv04_fifo_pause()
51 struct nv04_fifo *fifo = nv04_fifo(base); in nv04_fifo_pause() local
55 spin_lock_irqsave(&fifo->base.lock, flags); in nv04_fifo_pause()
85 __releases(fifo->base.lock) in nv04_fifo_start()
87 struct nv04_fifo *fifo = nv04_fifo(base); in nv04_fifo_start() local
293 nv04_fifo_dma_pusher(fifo, chid); in nv04_fifo_intr()
316 nvkm_fifo_uevent(&fifo->base); in nv04_fifo_intr()
364 struct nv04_fifo *fifo; in nv04_fifo_new_() local
367 if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL))) in nv04_fifo_new_()
369 fifo->ramfc = ramfc; in nv04_fifo_new_()
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A Dgpfifogk104.c40 struct gk104_fifo *fifo = chan->fifo; in gk104_fifo_gpfifo_kick_locked() local
68 mutex_lock(&chan->base.fifo->mutex); in gk104_fifo_gpfifo_kick()
70 mutex_unlock(&chan->base.fifo->mutex); in gk104_fifo_gpfifo_kick()
101 int engi = chan->base.fifo->func->engine_id(chan->base.fifo, engine); in gk104_fifo_gpfifo_engine()
196 struct gk104_fifo *fifo = chan->fifo; in gk104_fifo_gpfifo_fini() local
214 struct gk104_fifo *fifo = chan->fifo; in gk104_fifo_gpfifo_init() local
269 chan->fifo = fifo; in gk104_fifo_gpfifo_new_()
275 1, fifo->user.bar->addr, 0x200, in gk104_fifo_gpfifo_new_()
286 if (fifo->func->cgrp_force) { in gk104_fifo_gpfifo_new_()
299 nvkm_kmap(fifo->user.mem); in gk104_fifo_gpfifo_new_()
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/linux/include/linux/
A Dkfifo.h126 typeof(&(fifo)) __tmp = &(fifo); \
211 typeof((fifo) + 1) __tmp = (fifo); \
225 typeof((fifo) + 1) __tmp = (fifo); \
235 typeof((fifo) + 1) __tmpl = (fifo); \
245 typeof((fifo) + 1) __tmpq = (fifo); \
286 typeof((fifo) + 1) __tmpq = (fifo); \
312 typeof((fifo) + 1) __tmp = (fifo); \
330 typeof((fifo) + 1) __tmp = (fifo); \
353 typeof((fifo) + 1) __tmp = (fifo); \
367 typeof((fifo) + 1) __tmp = (fifo); \
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/linux/drivers/staging/axis-fifo/
A Daxis-fifo.c406 reset_ip_core(fifo); in axis_fifo_read()
792 ret = get_dts_property(fifo, "xlnx,use-rx-data", &fifo->has_rx_fifo); in axis_fifo_parse_dt()
799 ret = get_dts_property(fifo, "xlnx,use-tx-data", &fifo->has_tx_fifo); in axis_fifo_parse_dt()
829 fifo = devm_kzalloc(dev, sizeof(*fifo), GFP_KERNEL); in axis_fifo_probe()
830 if (!fifo) in axis_fifo_probe()
856 fifo->base_addr = devm_ioremap_resource(fifo->dt_device, r_mem); in axis_fifo_probe()
862 dev_dbg(fifo->dt_device, "remapped memory to 0x%p\n", fifo->base_addr); in axis_fifo_probe()
877 reset_ip_core(fifo); in axis_fifo_probe()
895 rc = devm_request_irq(fifo->dt_device, fifo->irq, &axis_fifo_irq, 0, in axis_fifo_probe()
899 fifo->irq); in axis_fifo_probe()
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/linux/sound/soc/meson/
A Daxg-fifo.c327 struct axg_fifo *fifo; in axg_fifo_probe() local
337 fifo = devm_kzalloc(dev, sizeof(*fifo), GFP_KERNEL); in axg_fifo_probe()
338 if (!fifo) in axg_fifo_probe()
349 PTR_ERR(fifo->map)); in axg_fifo_probe()
365 PTR_ERR(fifo->arb)); in axg_fifo_probe()
370 if (fifo->irq <= 0) { in axg_fifo_probe()
372 return fifo->irq; in axg_fifo_probe()
375 fifo->field_threshold = in axg_fifo_probe()
381 &fifo->depth); in axg_fifo_probe()
390 fifo->depth = 256; in axg_fifo_probe()
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A Daiu-fifo.c115 fifo->mem_offset + AIU_MEM_MASKS, in aiu_fifo_hw_params()
146 fifo->fifo_block); in aiu_fifo_startup()
152 fifo->fifo_block); in aiu_fifo_startup()
156 ret = clk_prepare_enable(fifo->pclk); in aiu_fifo_startup()
163 clk_disable_unprepare(fifo->pclk); in aiu_fifo_startup()
173 free_irq(fifo->irq, substream); in aiu_fifo_shutdown()
174 clk_disable_unprepare(fifo->pclk); in aiu_fifo_shutdown()
197 struct aiu_fifo *fifo; in aiu_fifo_dai_probe() local
199 fifo = kzalloc(sizeof(*fifo), GFP_KERNEL); in aiu_fifo_dai_probe()
200 if (!fifo) in aiu_fifo_dai_probe()
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/linux/drivers/usb/gadget/udc/
A Dfotg210.h49 #define DCFESR_FIFO_EMPTY(fifo) (1 << 8 << (fifo)) argument
76 #define DMISGR1_MF_IN_INT(fifo) (1 << (16 + (fifo))) argument
85 #define DMISGR1_MF_OUTSPK_INT(fifo) (0x3 << (fifo) * 2) argument
109 #define DISGR1_OUT_INT(fifo) (1 << ((fifo) * 2)) argument
110 #define DISGR1_SPK_INT(fifo) (1 << 1 << ((fifo) * 2)) argument
111 #define DISGR1_IN_INT(fifo) (1 << 16 << (fifo)) argument
166 #define FIFOMAP_DIRIN(fifo) (0x1 << 4 << (fifo) * 8) argument
167 #define FIFOMAP_BIDIR(fifo) (0x2 << 4 << (fifo) * 8) argument
168 #define FIFOMAP_NA(fifo) (0x3 << 4 << (fifo) * 8) argument
183 #define FOTG210_FIBCR(fifo) (0x1B0 + (fifo) * 4) argument
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/linux/drivers/usb/renesas_usbhs/
A Dfifo.c123 if (fifo) in usbhs_pkt_pop()
141 if (fifo) in usbhs_pkt_pop()
788 return fifo; in usbhsf_get_dma_fifo()
830 if (!fifo) in usbhsf_dma_xfer_preparing()
909 if (!fifo) in usbhsf_dma_prepare_push()
1004 if (!fifo) in usbhsf_dma_prepare_pop_with_usb_dmac()
1076 if (!fifo) in usbhsf_dma_try_pop_with_rx_irq()
1250 if (fifo->tx_chan) in usbhsf_dma_quit()
1252 if (fifo->rx_chan) in usbhsf_dma_quit()
1306 if (fifo->tx_chan || fifo->rx_chan) in usbhsf_dma_init()
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/linux/drivers/platform/mellanox/
A Dmlxbf-tmfifo.c241 vring->fifo = fifo; in mlxbf_tmfifo_alloc_vrings()
567 struct mlxbf_tmfifo *fifo = vring->fifo; in mlxbf_tmfifo_rxtx_word() local
612 struct mlxbf_tmfifo *fifo = vring->fifo; in mlxbf_tmfifo_rxtx_header() local
681 struct mlxbf_tmfifo *fifo = vring->fifo; in mlxbf_tmfifo_rxtx_one_desc() local
765 fifo = vring->fifo; in mlxbf_tmfifo_rxtx()
772 if (fifo->vring[is_rx] && fifo->vring[is_rx] != vring) in mlxbf_tmfifo_rxtx()
829 if (!fifo->is_ready) in mlxbf_tmfifo_work_handler()
853 fifo = vring->fifo; in mlxbf_tmfifo_virtio_notify()
1200 fifo = devm_kzalloc(dev, sizeof(*fifo), GFP_KERNEL); in mlxbf_tmfifo_probe()
1201 if (!fifo) in mlxbf_tmfifo_probe()
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/linux/drivers/md/bcache/
A Dutil.h134 (fifo)->front = (fifo)->back = 0; \
160 #define fifo_used(fifo) (((fifo)->back - (fifo)->front) & (fifo)->mask) argument
161 #define fifo_free(fifo) ((fifo)->size - fifo_used(fifo)) argument
166 #define fifo_front(fifo) ((fifo)->data[(fifo)->front]) argument
168 ((fifo)->data[((fifo)->back - 1) & (fifo)->mask])
170 #define fifo_idx(fifo, p) (((p) - &fifo_front(fifo)) & (fifo)->mask) argument
177 (fifo)->back &= (fifo)->mask; \
187 (fifo)->front &= (fifo)->mask; \
197 (fifo)->front &= (fifo)->mask; \
208 (fifo)->back &= (fifo)->mask; \
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/linux/drivers/iio/imu/inv_icm42600/
A Dinv_icm42600_buffer.c146 st->fifo.en = fifo_en; in inv_icm42600_buffer_set_fifo_en()
296 if (st->fifo.on) { in inv_icm42600_buffer_postenable()
327 st->fifo.on++; in inv_icm42600_buffer_postenable()
366 st->fifo.on--; in inv_icm42600_buffer_predisable()
417 if (!st->fifo.on) in inv_icm42600_buffer_postdisable()
458 st->fifo.count = 0; in inv_icm42600_buffer_fifo_read()
485 st->fifo.data, st->fifo.count); in inv_icm42600_buffer_fifo_read()
515 inv_icm42600_timestamp_interrupt(ts, st->fifo.period, st->fifo.nb.total, in inv_icm42600_buffer_fifo_parse()
525 inv_icm42600_timestamp_interrupt(ts, st->fifo.period, st->fifo.nb.total, in inv_icm42600_buffer_fifo_parse()
556 st->fifo.nb.total, st->fifo.nb.gyro, in inv_icm42600_buffer_hwfifo_flush()
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/linux/drivers/isdn/hardware/mISDN/
A Dhfcsusb.c814 fifo->dch, fifo->bch, fifo->ech); in hfcsusb_rx_frame()
819 if ((!!fifo->dch + !!fifo->bch + !!fifo->ech) != 1) { in hfcsusb_rx_frame()
856 if (fifo->dch || fifo->ech) { in hfcsusb_rx_frame()
1059 fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe, in rx_iso_complete()
1061 fifo->usb_packet_maxlen, fifo->intervall, in rx_iso_complete()
1221 fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe, in tx_iso_complete()
1223 fifo->usb_packet_maxlen, fifo->intervall, in tx_iso_complete()
1335 if (fifo->dch && get_next_dframe(fifo->dch)) in tx_iso_complete()
1405 fifo->hw->dev, fifo->pipe, in start_isoc_chain()
1506 usb_fill_int_urb(fifo->urb, fifo->hw->dev, fifo->pipe, in start_int_fifo()
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/linux/drivers/char/xillybus/
A Dxillyusb.c227 nmax = fifo->size - READ_ONCE(fifo->fill); in fifo_write()
384 fifo->size = fifo->bufnum * fifo->bufsize; in fifo_init()
389 if (!fifo->mem) in fifo_init()
400 fifo->fill = 0; in fifo_init()
432 free_pages((unsigned long)fifo->mem[i], fifo->buf_order); in fifo_mem_release()
759 struct xillyfifo *fifo = &ep->fifo; in try_queue_bulk_out() local
1066 struct xillyfifo *fifo = &ep->fifo; in xillyusb_send_opcode() local
1086 fifo->fill <= (fifo->size - 8) || in xillyusb_send_opcode()
1635 struct xillyfifo *fifo = &chan->out_ep->fifo; in xillyusb_write() local
1665 fifo->fill != fifo->size || xdev->error)) { in xillyusb_write()
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/linux/drivers/net/ethernet/intel/fm10k/
A Dfm10k_mbx.c16 fifo->head = 0; in fm10k_fifo_init()
17 fifo->tail = 0; in fm10k_fifo_init()
28 return fifo->tail - fifo->head; in fm10k_fifo_used()
39 return fifo->size + fifo->head - fifo->tail; in fm10k_fifo_unused()
50 return fifo->head == fifo->tail; in fm10k_fifo_empty()
62 return (fifo->head + offset) & (fifo->size - 1); in fm10k_fifo_head_offset()
74 return (fifo->tail + offset) & (fifo->size - 1); in fm10k_fifo_tail_offset()
85 u32 *head = fifo->buffer + fm10k_fifo_head_offset(fifo, 0); in fm10k_fifo_head_len()
120 fifo->head = fifo->tail; in fm10k_fifo_drop_all()
720 memmove(fifo->buffer, fifo->buffer + fifo->tail, mbx->pushed << 2); in fm10k_mbx_dequeue_rx()
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/linux/samples/kfifo/
A Ddma-example.c19 static struct kfifo fifo; variable
30 if (kfifo_alloc(&fifo, FIFO_SIZE, GFP_KERNEL)) { in example_init()
35 printk(KERN_INFO "queue size: %u\n", kfifo_size(&fifo)); in example_init()
37 kfifo_in(&fifo, "test", 4); in example_init()
40 kfifo_put(&fifo, i); in example_init()
43 kfifo_skip(&fifo); in example_init()
45 printk(KERN_INFO "queue len: %u\n", kfifo_len(&fifo)); in example_init()
90 kfifo_dma_in_finish(&fifo, ret); in example_init()
119 kfifo_dma_out_finish(&fifo, ret); in example_init()
121 ret = kfifo_len(&fifo); in example_init()
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