Searched refs:n_bds (Results 1 - 2 of 2) sorted by relevance
| /linux-4.1.27/drivers/usb/musb/ |
| H A D | cppi_dma.c | 454 void __iomem *tibase, int onepacket, unsigned n_bds) cppi_autoreq_update()
473 n_bds--; cppi_autoreq_update()
495 if (n_bds && rx->channel.actual_len) { cppi_autoreq_update()
506 return n_bds; cppi_autoreq_update()
567 unsigned n_bds; cppi_next_tx_segment() local
584 n_bds = 1; cppi_next_tx_segment()
586 n_bds = length / maxpacket; cppi_next_tx_segment()
588 n_bds++; cppi_next_tx_segment()
589 n_bds = min(n_bds, (unsigned) NUM_TXCHAN_BD); cppi_next_tx_segment()
590 length = min(n_bds * maxpacket, length); cppi_next_tx_segment()
597 n_bds, cppi_next_tx_segment()
620 for (i = 0; i < n_bds; ) { cppi_next_tx_segment()
621 if (++i < n_bds && bd->next) cppi_next_tx_segment()
767 unsigned n_bds; cppi_next_rx_segment() local
776 n_bds = 1; cppi_next_rx_segment()
791 n_bds = 0xffff / maxpacket; cppi_next_rx_segment()
792 length = n_bds * maxpacket; cppi_next_rx_segment()
794 n_bds = length / maxpacket; cppi_next_rx_segment()
796 n_bds++; cppi_next_rx_segment()
798 if (n_bds == 1) cppi_next_rx_segment()
801 n_bds = min(n_bds, (unsigned) NUM_RXCHAN_BD); cppi_next_rx_segment()
810 n_bds = cppi_autoreq_update(rx, tibase, onepacket, n_bds); cppi_next_rx_segment()
814 length = min(n_bds * maxpacket, length); cppi_next_rx_segment()
822 n_bds, cppi_next_rx_segment()
836 for (i = 0, tail = NULL; bd && i < n_bds; i++, tail = bd) { cppi_next_rx_segment()
867 WARNING("rx dma%d -- no BDs? need %d\n", rx->index, n_bds); cppi_next_rx_segment()
869 } else if (i < n_bds) cppi_next_rx_segment()
870 WARNING("rx dma%d -- only %d of %d BDs\n", rx->index, i, n_bds); cppi_next_rx_segment()
917 n_bds + 2); cppi_next_rx_segment()
918 else if (n_bds > (i - 3)) cppi_next_rx_segment()
921 n_bds - (i - 3)); cppi_next_rx_segment()
926 if (i < (2 + n_bds)) { cppi_next_rx_segment()
928 rx->index, i, n_bds); cppi_next_rx_segment()
931 n_bds + 2); cppi_next_rx_segment()
453 cppi_autoreq_update(struct cppi_channel *rx, void __iomem *tibase, int onepacket, unsigned n_bds) cppi_autoreq_update() argument
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| /linux-4.1.27/drivers/usb/gadget/udc/ |
| H A D | bcm63xx_udc.c | 132 * @n_bds: Number of buffer descriptors in the ring.
141 int n_bds; member in struct:iudma_ch_cfg
158 idx | n_bds | dir | max_pkt_hs |
185 * @n_bds: Total number of BDs in the ring.
210 unsigned int n_bds; member in struct:iudma_ch
631 if (!iudma->is_tx || iudma->n_bds_used == iudma->n_bds || iudma_write()
753 unsigned int n_bds = cfg->n_bds; iudma_init_channel() local
772 iudma->n_bds = n_bds; iudma_init_channel()
774 n_bds * sizeof(struct bcm_enet_desc), iudma_init_channel()
778 iudma->end_bd = &iudma->bd_ring[n_bds - 1]; iudma_init_channel()
2198 iudma->n_bds); bcm63xx_iudma_dbg_show()
2209 for (i = 0; i < iudma->n_bds; i++) { bcm63xx_iudma_dbg_show()
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