/linux-4.4.14/drivers/net/ethernet/qualcomm/ |
H A D | qca_spi.c | 77 start_spi_intr_handling(struct qcaspi *qca, u16 *intr_cause) start_spi_intr_handling() argument 81 qcaspi_write_register(qca, SPI_REG_INTR_ENABLE, 0); start_spi_intr_handling() 82 qcaspi_read_register(qca, SPI_REG_INTR_CAUSE, intr_cause); start_spi_intr_handling() 83 netdev_dbg(qca->net_dev, "interrupts: 0x%04x\n", *intr_cause); start_spi_intr_handling() 87 end_spi_intr_handling(struct qcaspi *qca, u16 intr_cause) end_spi_intr_handling() argument 94 qcaspi_write_register(qca, SPI_REG_INTR_CAUSE, intr_cause); end_spi_intr_handling() 95 qcaspi_write_register(qca, SPI_REG_INTR_ENABLE, intr_enable); end_spi_intr_handling() 96 netdev_dbg(qca->net_dev, "acking int: 0x%04x\n", intr_cause); end_spi_intr_handling() 100 qcaspi_write_burst(struct qcaspi *qca, u8 *src, u32 len) qcaspi_write_burst() argument 103 struct spi_message *msg = &qca->spi_msg2; qcaspi_write_burst() 104 struct spi_transfer *transfer = &qca->spi_xfer2[0]; qcaspi_write_burst() 111 transfer = &qca->spi_xfer2[1]; qcaspi_write_burst() 116 ret = spi_sync(qca->spi_dev, msg); qcaspi_write_burst() 119 qcaspi_spi_error(qca); qcaspi_write_burst() 127 qcaspi_write_legacy(struct qcaspi *qca, u8 *src, u32 len) qcaspi_write_legacy() argument 129 struct spi_message *msg = &qca->spi_msg1; qcaspi_write_legacy() 130 struct spi_transfer *transfer = &qca->spi_xfer1; qcaspi_write_legacy() 137 ret = spi_sync(qca->spi_dev, msg); qcaspi_write_legacy() 140 qcaspi_spi_error(qca); qcaspi_write_legacy() 148 qcaspi_read_burst(struct qcaspi *qca, u8 *dst, u32 len) qcaspi_read_burst() argument 150 struct spi_message *msg = &qca->spi_msg2; qcaspi_read_burst() 152 struct spi_transfer *transfer = &qca->spi_xfer2[0]; qcaspi_read_burst() 159 transfer = &qca->spi_xfer2[1]; qcaspi_read_burst() 164 ret = spi_sync(qca->spi_dev, msg); qcaspi_read_burst() 167 qcaspi_spi_error(qca); qcaspi_read_burst() 175 qcaspi_read_legacy(struct qcaspi *qca, u8 *dst, u32 len) qcaspi_read_legacy() argument 177 struct spi_message *msg = &qca->spi_msg1; qcaspi_read_legacy() 178 struct spi_transfer *transfer = &qca->spi_xfer1; qcaspi_read_legacy() 185 ret = spi_sync(qca->spi_dev, msg); qcaspi_read_legacy() 188 qcaspi_spi_error(qca); qcaspi_read_legacy() 196 qcaspi_tx_frame(struct qcaspi *qca, struct sk_buff *skb) qcaspi_tx_frame() argument 205 qcaspi_write_register(qca, SPI_REG_BFR_SIZE, len); qcaspi_tx_frame() 206 if (qca->legacy_mode) qcaspi_tx_frame() 207 qcaspi_tx_cmd(qca, QCA7K_SPI_WRITE | QCA7K_SPI_EXTERNAL); qcaspi_tx_frame() 212 if (count > qca->burst_len) qcaspi_tx_frame() 213 count = qca->burst_len; qcaspi_tx_frame() 215 if (qca->legacy_mode) { qcaspi_tx_frame() 216 written = qcaspi_write_legacy(qca, qcaspi_tx_frame() 220 written = qcaspi_write_burst(qca, qcaspi_tx_frame() 236 qcaspi_transmit(struct qcaspi *qca) qcaspi_transmit() argument 238 struct net_device_stats *n_stats = &qca->net_dev->stats; qcaspi_transmit() 244 if (qca->txr.skb[qca->txr.head] == NULL) qcaspi_transmit() 247 qcaspi_read_register(qca, SPI_REG_WRBUF_SPC_AVA, &available); qcaspi_transmit() 249 while (qca->txr.skb[qca->txr.head]) { qcaspi_transmit() 250 pkt_len = qca->txr.skb[qca->txr.head]->len + QCASPI_HW_PKT_LEN; qcaspi_transmit() 254 qca->stats.write_buf_miss++; qcaspi_transmit() 258 if (qcaspi_tx_frame(qca, qca->txr.skb[qca->txr.head]) == -1) { qcaspi_transmit() 259 qca->stats.write_err++; qcaspi_transmit() 265 n_stats->tx_bytes += qca->txr.skb[qca->txr.head]->len; qcaspi_transmit() 272 netif_tx_lock_bh(qca->net_dev); qcaspi_transmit() 273 dev_kfree_skb(qca->txr.skb[qca->txr.head]); qcaspi_transmit() 274 qca->txr.skb[qca->txr.head] = NULL; qcaspi_transmit() 275 qca->txr.size -= pkt_len; qcaspi_transmit() 276 new_head = qca->txr.head + 1; qcaspi_transmit() 277 if (new_head >= qca->txr.count) qcaspi_transmit() 279 qca->txr.head = new_head; qcaspi_transmit() 280 if (netif_queue_stopped(qca->net_dev)) qcaspi_transmit() 281 netif_wake_queue(qca->net_dev); qcaspi_transmit() 282 netif_tx_unlock_bh(qca->net_dev); qcaspi_transmit() 289 qcaspi_receive(struct qcaspi *qca) qcaspi_receive() argument 291 struct net_device *net_dev = qca->net_dev; qcaspi_receive() 298 if (!qca->rx_skb) { qcaspi_receive() 299 qca->rx_skb = netdev_alloc_skb(net_dev, qcaspi_receive() 301 if (!qca->rx_skb) { qcaspi_receive() 303 qca->stats.out_of_mem++; qcaspi_receive() 309 qcaspi_read_register(qca, SPI_REG_RDBUF_BYTE_AVA, &available); qcaspi_receive() 318 qcaspi_write_register(qca, SPI_REG_BFR_SIZE, available); qcaspi_receive() 320 if (qca->legacy_mode) qcaspi_receive() 321 qcaspi_tx_cmd(qca, QCA7K_SPI_READ | QCA7K_SPI_EXTERNAL); qcaspi_receive() 326 if (count > qca->burst_len) qcaspi_receive() 327 count = qca->burst_len; qcaspi_receive() 329 if (qca->legacy_mode) { qcaspi_receive() 330 bytes_read = qcaspi_read_legacy(qca, qca->rx_buffer, qcaspi_receive() 333 bytes_read = qcaspi_read_burst(qca, qca->rx_buffer, qcaspi_receive() 343 qca->stats.read_err++; qcaspi_receive() 347 cp = qca->rx_buffer; qcaspi_receive() 349 while ((bytes_read--) && (qca->rx_skb)) { qcaspi_receive() 352 retcode = qcafrm_fsm_decode(&qca->frm_handle, qcaspi_receive() 353 qca->rx_skb->data, qcaspi_receive() 354 skb_tailroom(qca->rx_skb), qcaspi_receive() 372 qca->rx_skb->dev = qca->net_dev; qcaspi_receive() 375 skb_put(qca->rx_skb, retcode); qcaspi_receive() 376 qca->rx_skb->protocol = eth_type_trans( qcaspi_receive() 377 qca->rx_skb, qca->rx_skb->dev); qcaspi_receive() 378 qca->rx_skb->ip_summed = CHECKSUM_UNNECESSARY; qcaspi_receive() 379 netif_rx_ni(qca->rx_skb); qcaspi_receive() 380 qca->rx_skb = netdev_alloc_skb(net_dev, qcaspi_receive() 382 if (!qca->rx_skb) { qcaspi_receive() 385 qca->stats.out_of_mem++; qcaspi_receive() 413 qcaspi_flush_tx_ring(struct qcaspi *qca) qcaspi_flush_tx_ring() argument 420 netif_tx_lock_bh(qca->net_dev); qcaspi_flush_tx_ring() 422 if (qca->txr.skb[i]) { qcaspi_flush_tx_ring() 423 dev_kfree_skb(qca->txr.skb[i]); qcaspi_flush_tx_ring() 424 qca->txr.skb[i] = NULL; qcaspi_flush_tx_ring() 425 qca->net_dev->stats.tx_dropped++; qcaspi_flush_tx_ring() 428 qca->txr.tail = 0; qcaspi_flush_tx_ring() 429 qca->txr.head = 0; qcaspi_flush_tx_ring() 430 qca->txr.size = 0; qcaspi_flush_tx_ring() 431 netif_tx_unlock_bh(qca->net_dev); qcaspi_flush_tx_ring() 435 qcaspi_qca7k_sync(struct qcaspi *qca, int event) qcaspi_qca7k_sync() argument 446 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qcaspi_qca7k_sync() 447 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qcaspi_qca7k_sync() 449 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_qca7k_sync() 450 netdev_dbg(qca->net_dev, "sync: got CPU on, but signature was invalid, restart\n"); qcaspi_qca7k_sync() 453 qcaspi_read_register(qca, SPI_REG_WRBUF_SPC_AVA, qcaspi_qca7k_sync() 456 netdev_dbg(qca->net_dev, "sync: got CPU on, but wrbuf not empty. reset!\n"); qcaspi_qca7k_sync() 457 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_qca7k_sync() 459 netdev_dbg(qca->net_dev, "sync: got CPU on, now in sync\n"); qcaspi_qca7k_sync() 460 qca->sync = QCASPI_SYNC_READY; qcaspi_qca7k_sync() 466 switch (qca->sync) { qcaspi_qca7k_sync() 469 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qcaspi_qca7k_sync() 471 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_qca7k_sync() 472 netdev_dbg(qca->net_dev, "sync: bad signature, restart\n"); qcaspi_qca7k_sync() 479 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qcaspi_qca7k_sync() 481 netdev_dbg(qca->net_dev, "sync: could not read signature to reset device, retry.\n"); qcaspi_qca7k_sync() 486 netdev_dbg(qca->net_dev, "sync: resetting device.\n"); qcaspi_qca7k_sync() 487 qcaspi_read_register(qca, SPI_REG_SPI_CONFIG, &spi_config); qcaspi_qca7k_sync() 489 qcaspi_write_register(qca, SPI_REG_SPI_CONFIG, spi_config); qcaspi_qca7k_sync() 491 qca->sync = QCASPI_SYNC_RESET; qcaspi_qca7k_sync() 492 qca->stats.trig_reset++; qcaspi_qca7k_sync() 497 netdev_dbg(qca->net_dev, "sync: waiting for CPU on, count %u.\n", qcaspi_qca7k_sync() 501 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_qca7k_sync() 502 qca->stats.reset_timeout++; qcaspi_qca7k_sync() 503 netdev_dbg(qca->net_dev, "sync: reset timeout, restarting process.\n"); qcaspi_qca7k_sync() 512 struct qcaspi *qca = data; qcaspi_spi_thread() local 515 netdev_info(qca->net_dev, "SPI thread created\n"); qcaspi_spi_thread() 518 if ((qca->intr_req == qca->intr_svc) && qcaspi_spi_thread() 519 (qca->txr.skb[qca->txr.head] == NULL) && qcaspi_spi_thread() 520 (qca->sync == QCASPI_SYNC_READY)) qcaspi_spi_thread() 525 netdev_dbg(qca->net_dev, "have work to do. int: %d, tx_skb: %p\n", qcaspi_spi_thread() 526 qca->intr_req - qca->intr_svc, qcaspi_spi_thread() 527 qca->txr.skb[qca->txr.head]); qcaspi_spi_thread() 529 qcaspi_qca7k_sync(qca, QCASPI_EVENT_UPDATE); qcaspi_spi_thread() 531 if (qca->sync != QCASPI_SYNC_READY) { qcaspi_spi_thread() 532 netdev_dbg(qca->net_dev, "sync: not ready %u, turn off carrier and flush\n", qcaspi_spi_thread() 533 (unsigned int)qca->sync); qcaspi_spi_thread() 534 netif_stop_queue(qca->net_dev); qcaspi_spi_thread() 535 netif_carrier_off(qca->net_dev); qcaspi_spi_thread() 536 qcaspi_flush_tx_ring(qca); qcaspi_spi_thread() 540 if (qca->intr_svc != qca->intr_req) { qcaspi_spi_thread() 541 qca->intr_svc = qca->intr_req; qcaspi_spi_thread() 542 start_spi_intr_handling(qca, &intr_cause); qcaspi_spi_thread() 545 qcaspi_qca7k_sync(qca, QCASPI_EVENT_CPUON); qcaspi_spi_thread() 548 if (qca->sync != QCASPI_SYNC_READY) qcaspi_spi_thread() 551 qca->stats.device_reset++; qcaspi_spi_thread() 552 netif_wake_queue(qca->net_dev); qcaspi_spi_thread() 553 netif_carrier_on(qca->net_dev); qcaspi_spi_thread() 558 netdev_dbg(qca->net_dev, "===> rdbuf error!\n"); qcaspi_spi_thread() 559 qca->stats.read_buf_err++; qcaspi_spi_thread() 560 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_spi_thread() 566 netdev_dbg(qca->net_dev, "===> wrbuf error!\n"); qcaspi_spi_thread() 567 qca->stats.write_buf_err++; qcaspi_spi_thread() 568 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_spi_thread() 575 if (qca->sync == QCASPI_SYNC_READY) { qcaspi_spi_thread() 577 qcaspi_receive(qca); qcaspi_spi_thread() 580 end_spi_intr_handling(qca, intr_cause); qcaspi_spi_thread() 583 if (qca->sync == QCASPI_SYNC_READY) qcaspi_spi_thread() 584 qcaspi_transmit(qca); qcaspi_spi_thread() 587 netdev_info(qca->net_dev, "SPI thread exit\n"); qcaspi_spi_thread() 595 struct qcaspi *qca = data; qcaspi_intr_handler() local 597 qca->intr_req++; qcaspi_intr_handler() 598 if (qca->spi_thread && qcaspi_intr_handler() 599 qca->spi_thread->state != TASK_RUNNING) qcaspi_intr_handler() 600 wake_up_process(qca->spi_thread); qcaspi_intr_handler() 608 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_open() local 611 if (!qca) qcaspi_netdev_open() 614 qca->intr_req = 1; qcaspi_netdev_open() 615 qca->intr_svc = 0; qcaspi_netdev_open() 616 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_netdev_open() 617 qcafrm_fsm_init(&qca->frm_handle); qcaspi_netdev_open() 619 qca->spi_thread = kthread_run((void *)qcaspi_spi_thread, qcaspi_netdev_open() 620 qca, "%s", dev->name); qcaspi_netdev_open() 622 if (IS_ERR(qca->spi_thread)) { qcaspi_netdev_open() 625 return PTR_ERR(qca->spi_thread); qcaspi_netdev_open() 628 ret = request_irq(qca->spi_dev->irq, qcaspi_intr_handler, 0, qcaspi_netdev_open() 629 dev->name, qca); qcaspi_netdev_open() 632 QCASPI_DRV_NAME, qca->spi_dev->irq, ret); qcaspi_netdev_open() 633 kthread_stop(qca->spi_thread); qcaspi_netdev_open() 637 netif_start_queue(qca->net_dev); qcaspi_netdev_open() 645 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_close() local 649 qcaspi_write_register(qca, SPI_REG_INTR_ENABLE, 0); qcaspi_netdev_close() 650 free_irq(qca->spi_dev->irq, qca); qcaspi_netdev_close() 652 kthread_stop(qca->spi_thread); qcaspi_netdev_close() 653 qca->spi_thread = NULL; qcaspi_netdev_close() 654 qcaspi_flush_tx_ring(qca); qcaspi_netdev_close() 664 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_xmit() local 672 if (qca->txr.skb[qca->txr.tail]) { qcaspi_netdev_xmit() 673 netdev_warn(qca->net_dev, "queue was unexpectedly full!\n"); qcaspi_netdev_xmit() 674 netif_stop_queue(qca->net_dev); qcaspi_netdev_xmit() 675 qca->stats.ring_full++; qcaspi_netdev_xmit() 684 netdev_dbg(qca->net_dev, "could not allocate tx_buff\n"); qcaspi_netdev_xmit() 685 qca->stats.out_of_mem++; qcaspi_netdev_xmit() 705 netdev_dbg(qca->net_dev, "Tx-ing packet: Size: 0x%08x\n", qcaspi_netdev_xmit() 708 qca->txr.size += skb->len + QCASPI_HW_PKT_LEN; qcaspi_netdev_xmit() 710 new_tail = qca->txr.tail + 1; qcaspi_netdev_xmit() 711 if (new_tail >= qca->txr.count) qcaspi_netdev_xmit() 714 qca->txr.skb[qca->txr.tail] = skb; qcaspi_netdev_xmit() 715 qca->txr.tail = new_tail; qcaspi_netdev_xmit() 717 if (!qcaspi_tx_ring_has_space(&qca->txr)) { qcaspi_netdev_xmit() 718 netif_stop_queue(qca->net_dev); qcaspi_netdev_xmit() 719 qca->stats.ring_full++; qcaspi_netdev_xmit() 724 if (qca->spi_thread && qcaspi_netdev_xmit() 725 qca->spi_thread->state != TASK_RUNNING) qcaspi_netdev_xmit() 726 wake_up_process(qca->spi_thread); qcaspi_netdev_xmit() 734 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_tx_timeout() local 736 netdev_info(qca->net_dev, "Transmit timeout at %ld, latency %ld\n", qcaspi_netdev_tx_timeout() 738 qca->net_dev->stats.tx_errors++; qcaspi_netdev_tx_timeout() 740 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_netdev_tx_timeout() 746 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_init() local 750 qca->clkspeed = qcaspi_clkspeed; qcaspi_netdev_init() 751 qca->burst_len = qcaspi_burst_len; qcaspi_netdev_init() 752 qca->spi_thread = NULL; qcaspi_netdev_init() 753 qca->buffer_size = (dev->mtu + VLAN_ETH_HLEN + QCAFRM_HEADER_LEN + qcaspi_netdev_init() 756 memset(&qca->stats, 0, sizeof(struct qcaspi_stats)); qcaspi_netdev_init() 758 qca->rx_buffer = kmalloc(qca->buffer_size, GFP_KERNEL); qcaspi_netdev_init() 759 if (!qca->rx_buffer) qcaspi_netdev_init() 762 qca->rx_skb = netdev_alloc_skb(dev, qca->net_dev->mtu + VLAN_ETH_HLEN); qcaspi_netdev_init() 763 if (!qca->rx_skb) { qcaspi_netdev_init() 764 kfree(qca->rx_buffer); qcaspi_netdev_init() 765 netdev_info(qca->net_dev, "Failed to allocate RX sk_buff.\n"); qcaspi_netdev_init() 775 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_uninit() local 777 kfree(qca->rx_buffer); qcaspi_netdev_uninit() 778 qca->buffer_size = 0; qcaspi_netdev_uninit() 779 if (qca->rx_skb) qcaspi_netdev_uninit() 780 dev_kfree_skb(qca->rx_skb); qcaspi_netdev_uninit() 809 struct qcaspi *qca = NULL; qcaspi_netdev_setup() local 817 qca = netdev_priv(dev); qcaspi_netdev_setup() 818 memset(qca, 0, sizeof(struct qcaspi)); qcaspi_netdev_setup() 820 memset(&qca->spi_xfer1, 0, sizeof(struct spi_transfer)); qcaspi_netdev_setup() 821 memset(&qca->spi_xfer2, 0, sizeof(struct spi_transfer) * 2); qcaspi_netdev_setup() 823 spi_message_init(&qca->spi_msg1); qcaspi_netdev_setup() 824 spi_message_add_tail(&qca->spi_xfer1, &qca->spi_msg1); qcaspi_netdev_setup() 826 spi_message_init(&qca->spi_msg2); qcaspi_netdev_setup() 827 spi_message_add_tail(&qca->spi_xfer2[0], &qca->spi_msg2); qcaspi_netdev_setup() 828 spi_message_add_tail(&qca->spi_xfer2[1], &qca->spi_msg2); qcaspi_netdev_setup() 830 memset(&qca->txr, 0, sizeof(qca->txr)); qcaspi_netdev_setup() 831 qca->txr.count = TX_RING_MAX_LEN; qcaspi_netdev_setup() 835 { .compatible = "qca,qca7000" }, 843 struct qcaspi *qca = NULL; qca_spi_probe() local 855 "qca,legacy-mode"); qca_spi_probe() 904 qca = netdev_priv(qcaspi_devs); qca_spi_probe() 905 if (!qca) { qca_spi_probe() 910 qca->net_dev = qcaspi_devs; qca_spi_probe() 911 qca->spi_dev = spi; qca_spi_probe() 912 qca->legacy_mode = legacy_mode; qca_spi_probe() 919 ether_addr_copy(qca->net_dev->dev_addr, mac); qca_spi_probe() 921 if (!is_valid_ether_addr(qca->net_dev->dev_addr)) { qca_spi_probe() 922 eth_hw_addr_random(qca->net_dev); qca_spi_probe() 924 qca->net_dev->dev_addr); qca_spi_probe() 927 netif_carrier_off(qca->net_dev); qca_spi_probe() 930 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qca_spi_probe() 931 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qca_spi_probe() 948 qcaspi_init_device_debugfs(qca); qca_spi_probe() 957 struct qcaspi *qca = netdev_priv(qcaspi_devs); qca_spi_remove() local 959 qcaspi_remove_device_debugfs(qca); qca_spi_remove()
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H A D | qca_7k.c | 35 qcaspi_spi_error(struct qcaspi *qca) qcaspi_spi_error() argument 37 if (qca->sync != QCASPI_SYNC_READY) qcaspi_spi_error() 40 netdev_err(qca->net_dev, "spi error\n"); qcaspi_spi_error() 41 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_spi_error() 42 qca->stats.spi_err++; qcaspi_spi_error() 46 qcaspi_read_register(struct qcaspi *qca, u16 reg, u16 *result) qcaspi_read_register() argument 56 if (qca->legacy_mode) { qcaspi_read_register() 57 msg = &qca->spi_msg1; qcaspi_read_register() 58 transfer = &qca->spi_xfer1; qcaspi_read_register() 62 spi_sync(qca->spi_dev, msg); qcaspi_read_register() 64 msg = &qca->spi_msg2; qcaspi_read_register() 65 transfer = &qca->spi_xfer2[0]; qcaspi_read_register() 69 transfer = &qca->spi_xfer2[1]; qcaspi_read_register() 74 ret = spi_sync(qca->spi_dev, msg); qcaspi_read_register() 80 qcaspi_spi_error(qca); qcaspi_read_register() 88 qcaspi_write_register(struct qcaspi *qca, u16 reg, u16 value) qcaspi_write_register() argument 98 if (qca->legacy_mode) { qcaspi_write_register() 99 msg = &qca->spi_msg1; qcaspi_write_register() 100 transfer = &qca->spi_xfer1; qcaspi_write_register() 104 spi_sync(qca->spi_dev, msg); qcaspi_write_register() 106 msg = &qca->spi_msg2; qcaspi_write_register() 107 transfer = &qca->spi_xfer2[0]; qcaspi_write_register() 111 transfer = &qca->spi_xfer2[1]; qcaspi_write_register() 116 ret = spi_sync(qca->spi_dev, msg); qcaspi_write_register() 122 qcaspi_spi_error(qca); qcaspi_write_register() 128 qcaspi_tx_cmd(struct qcaspi *qca, u16 cmd) qcaspi_tx_cmd() argument 131 struct spi_message *msg = &qca->spi_msg1; qcaspi_tx_cmd() 132 struct spi_transfer *transfer = &qca->spi_xfer1; qcaspi_tx_cmd() 140 ret = spi_sync(qca->spi_dev, msg); qcaspi_tx_cmd() 146 qcaspi_spi_error(qca); qcaspi_tx_cmd()
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H A D | qca_debug.c | 70 struct qcaspi *qca = s->private; qcaspi_info_show() local 73 (unsigned long)qca->buffer_size); qcaspi_info_show() 77 if (qca->txr.skb[qca->txr.head] == NULL) qcaspi_info_show() 79 else if (qca->txr.skb[qca->txr.tail]) qcaspi_info_show() 87 qca->txr.size); qcaspi_info_show() 90 (unsigned int)qca->sync); qcaspi_info_show() 91 switch (qca->sync) { qcaspi_info_show() 108 qca->spi_dev->irq); qcaspi_info_show() 110 qca->intr_req); qcaspi_info_show() 112 qca->intr_svc); qcaspi_info_show() 115 (unsigned long)qca->spi_dev->max_speed_hz); qcaspi_info_show() 117 qca->spi_dev->mode); qcaspi_info_show() 119 (unsigned int)qca->spi_dev->chip_select); qcaspi_info_show() 121 (unsigned int)qca->legacy_mode); qcaspi_info_show() 123 (unsigned int)qca->burst_len); qcaspi_info_show() 142 qcaspi_init_device_debugfs(struct qcaspi *qca) qcaspi_init_device_debugfs() argument 146 device_root = debugfs_create_dir(dev_name(&qca->net_dev->dev), NULL); qcaspi_init_device_debugfs() 147 qca->device_root = device_root; qcaspi_init_device_debugfs() 151 dev_name(&qca->net_dev->dev)); qcaspi_init_device_debugfs() 154 debugfs_create_file("info", S_IFREG | S_IRUGO, device_root, qca, qcaspi_init_device_debugfs() 159 qcaspi_remove_device_debugfs(struct qcaspi *qca) qcaspi_remove_device_debugfs() argument 161 debugfs_remove_recursive(qca->device_root); qcaspi_remove_device_debugfs() 167 qcaspi_init_device_debugfs(struct qcaspi *qca) qcaspi_init_device_debugfs() argument 172 qcaspi_remove_device_debugfs(struct qcaspi *qca) qcaspi_remove_device_debugfs() argument 181 struct qcaspi *qca = netdev_priv(dev); qcaspi_get_drvinfo() local 186 strlcpy(p->bus_info, dev_name(&qca->spi_dev->dev), qcaspi_get_drvinfo() 206 struct qcaspi *qca = netdev_priv(dev); qcaspi_get_ethtool_stats() local 207 struct qcaspi_stats *st = &qca->stats; qcaspi_get_ethtool_stats() 246 struct qcaspi *qca = netdev_priv(dev); qcaspi_get_regs() local 256 qcaspi_read_register(qca, qcaspi_spi_regs[i], &value); qcaspi_get_regs() 265 struct qcaspi *qca = netdev_priv(dev); qcaspi_get_ringparam() local 270 ring->tx_pending = qca->txr.count; qcaspi_get_ringparam() 276 struct qcaspi *qca = netdev_priv(dev); qcaspi_set_ringparam() local 286 qca->txr.count = max_t(u32, ring->tx_pending, TX_RING_MIN_LEN); qcaspi_set_ringparam() 287 qca->txr.count = min_t(u16, qca->txr.count, TX_RING_MAX_LEN); qcaspi_set_ringparam()
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H A D | qca_7k.h | 67 void qcaspi_spi_error(struct qcaspi *qca); 68 int qcaspi_read_register(struct qcaspi *qca, u16 reg, u16 *result); 69 int qcaspi_write_register(struct qcaspi *qca, u16 reg, u16 value); 70 int qcaspi_tx_cmd(struct qcaspi *qca, u16 cmd);
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H A D | qca_debug.h | 28 void qcaspi_init_device_debugfs(struct qcaspi *qca); 30 void qcaspi_remove_device_debugfs(struct qcaspi *qca);
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/linux-4.4.14/drivers/bluetooth/ |
H A D | hci_qca.c | 133 struct qca_data *qca = hu->priv; serial_clock_vote() local 136 bool old_vote = (qca->tx_vote | qca->rx_vote); serial_clock_vote() 141 diff = jiffies_to_msecs(jiffies - qca->vote_last_jif); serial_clock_vote() 144 qca->vote_off_ms += diff; serial_clock_vote() 146 qca->vote_on_ms += diff; serial_clock_vote() 150 qca->tx_vote = true; serial_clock_vote() 151 qca->tx_votes_on++; serial_clock_vote() 156 qca->rx_vote = true; serial_clock_vote() 157 qca->rx_votes_on++; serial_clock_vote() 162 qca->tx_vote = false; serial_clock_vote() 163 qca->tx_votes_off++; serial_clock_vote() 164 new_vote = qca->rx_vote | qca->tx_vote; serial_clock_vote() 168 qca->rx_vote = false; serial_clock_vote() 169 qca->rx_votes_off++; serial_clock_vote() 170 new_vote = qca->rx_vote | qca->tx_vote; serial_clock_vote() 187 diff = jiffies_to_msecs(jiffies - qca->vote_last_jif); serial_clock_vote() 190 qca->votes_on++; serial_clock_vote() 191 qca->vote_off_ms += diff; serial_clock_vote() 193 qca->votes_off++; serial_clock_vote() 194 qca->vote_on_ms += diff; serial_clock_vote() 196 qca->vote_last_jif = jiffies; serial_clock_vote() 207 struct qca_data *qca = hu->priv; send_hci_ibs_cmd() local 220 skb_queue_tail(&qca->txq, skb); send_hci_ibs_cmd() 227 struct qca_data *qca = container_of(work, struct qca_data, qca_wq_awake_device() local 229 struct hci_uart *hu = qca->hu; qca_wq_awake_device() 237 spin_lock(&qca->hci_ibs_lock); qca_wq_awake_device() 243 qca->ibs_sent_wakes++; qca_wq_awake_device() 246 retrans_delay = msecs_to_jiffies(qca->wake_retrans); qca_wq_awake_device() 247 mod_timer(&qca->wake_retrans_timer, jiffies + retrans_delay); qca_wq_awake_device() 249 spin_unlock(&qca->hci_ibs_lock); qca_wq_awake_device() 257 struct qca_data *qca = container_of(work, struct qca_data, qca_wq_awake_rx() local 259 struct hci_uart *hu = qca->hu; qca_wq_awake_rx() 265 spin_lock(&qca->hci_ibs_lock); qca_wq_awake_rx() 266 qca->rx_ibs_state = HCI_IBS_RX_AWAKE; qca_wq_awake_rx() 274 qca->ibs_sent_wacks++; qca_wq_awake_rx() 276 spin_unlock(&qca->hci_ibs_lock); qca_wq_awake_rx() 284 struct qca_data *qca = container_of(work, struct qca_data, qca_wq_serial_rx_clock_vote_off() local 286 struct hci_uart *hu = qca->hu; qca_wq_serial_rx_clock_vote_off() 295 struct qca_data *qca = container_of(work, struct qca_data, qca_wq_serial_tx_clock_vote_off() local 297 struct hci_uart *hu = qca->hu; qca_wq_serial_tx_clock_vote_off() 313 struct qca_data *qca = hu->priv; hci_ibs_tx_idle_timeout() local 316 BT_DBG("hu %p idle timeout in %d state", hu, qca->tx_ibs_state); hci_ibs_tx_idle_timeout() 318 spin_lock_irqsave_nested(&qca->hci_ibs_lock, hci_ibs_tx_idle_timeout() 321 switch (qca->tx_ibs_state) { hci_ibs_tx_idle_timeout() 328 qca->tx_ibs_state = HCI_IBS_TX_ASLEEP; hci_ibs_tx_idle_timeout() 329 qca->ibs_sent_slps++; hci_ibs_tx_idle_timeout() 330 queue_work(qca->workqueue, &qca->ws_tx_vote_off); hci_ibs_tx_idle_timeout() 338 BT_ERR("Spurrious timeout tx state %d", qca->tx_ibs_state); hci_ibs_tx_idle_timeout() 342 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); hci_ibs_tx_idle_timeout() 348 struct qca_data *qca = hu->priv; hci_ibs_wake_retrans_timeout() local 353 hu, qca->tx_ibs_state); hci_ibs_wake_retrans_timeout() 355 spin_lock_irqsave_nested(&qca->hci_ibs_lock, hci_ibs_wake_retrans_timeout() 358 switch (qca->tx_ibs_state) { hci_ibs_wake_retrans_timeout() 366 qca->ibs_sent_wakes++; hci_ibs_wake_retrans_timeout() 367 retrans_delay = msecs_to_jiffies(qca->wake_retrans); hci_ibs_wake_retrans_timeout() 368 mod_timer(&qca->wake_retrans_timer, jiffies + retrans_delay); hci_ibs_wake_retrans_timeout() 376 BT_ERR("Spurrious timeout tx state %d", qca->tx_ibs_state); hci_ibs_wake_retrans_timeout() 380 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); hci_ibs_wake_retrans_timeout() 389 struct qca_data *qca; qca_open() local 393 qca = kzalloc(sizeof(struct qca_data), GFP_ATOMIC); qca_open() 394 if (!qca) qca_open() 397 skb_queue_head_init(&qca->txq); qca_open() 398 skb_queue_head_init(&qca->tx_wait_q); qca_open() 399 spin_lock_init(&qca->hci_ibs_lock); qca_open() 400 qca->workqueue = create_singlethread_workqueue("qca_wq"); qca_open() 401 if (!qca->workqueue) { qca_open() 403 kfree(qca); qca_open() 407 INIT_WORK(&qca->ws_awake_rx, qca_wq_awake_rx); qca_open() 408 INIT_WORK(&qca->ws_awake_device, qca_wq_awake_device); qca_open() 409 INIT_WORK(&qca->ws_rx_vote_off, qca_wq_serial_rx_clock_vote_off); qca_open() 410 INIT_WORK(&qca->ws_tx_vote_off, qca_wq_serial_tx_clock_vote_off); qca_open() 412 qca->hu = hu; qca_open() 415 qca->tx_ibs_state = HCI_IBS_TX_ASLEEP; qca_open() 416 qca->rx_ibs_state = HCI_IBS_RX_ASLEEP; qca_open() 419 qca->tx_vote = false; qca_open() 420 qca->rx_vote = false; qca_open() 421 qca->flags = 0; qca_open() 423 qca->ibs_sent_wacks = 0; qca_open() 424 qca->ibs_sent_slps = 0; qca_open() 425 qca->ibs_sent_wakes = 0; qca_open() 426 qca->ibs_recv_wacks = 0; qca_open() 427 qca->ibs_recv_slps = 0; qca_open() 428 qca->ibs_recv_wakes = 0; qca_open() 429 qca->vote_last_jif = jiffies; qca_open() 430 qca->vote_on_ms = 0; qca_open() 431 qca->vote_off_ms = 0; qca_open() 432 qca->votes_on = 0; qca_open() 433 qca->votes_off = 0; qca_open() 434 qca->tx_votes_on = 0; qca_open() 435 qca->tx_votes_off = 0; qca_open() 436 qca->rx_votes_on = 0; qca_open() 437 qca->rx_votes_off = 0; qca_open() 439 hu->priv = qca; qca_open() 441 init_timer(&qca->wake_retrans_timer); qca_open() 442 qca->wake_retrans_timer.function = hci_ibs_wake_retrans_timeout; qca_open() 443 qca->wake_retrans_timer.data = (u_long)hu; qca_open() 444 qca->wake_retrans = IBS_WAKE_RETRANS_TIMEOUT_MS; qca_open() 446 init_timer(&qca->tx_idle_timer); qca_open() 447 qca->tx_idle_timer.function = hci_ibs_tx_idle_timeout; qca_open() 448 qca->tx_idle_timer.data = (u_long)hu; qca_open() 449 qca->tx_idle_delay = IBS_TX_IDLE_TIMEOUT_MS; qca_open() 452 qca->tx_idle_delay, qca->wake_retrans); qca_open() 460 struct qca_data *qca = hu->priv; qca_debugfs_init() local 471 debugfs_create_u8("tx_ibs_state", mode, ibs_dir, &qca->tx_ibs_state); qca_debugfs_init() 472 debugfs_create_u8("rx_ibs_state", mode, ibs_dir, &qca->rx_ibs_state); qca_debugfs_init() 474 &qca->ibs_sent_slps); qca_debugfs_init() 476 &qca->ibs_sent_wakes); qca_debugfs_init() 478 &qca->ibs_sent_wacks); qca_debugfs_init() 480 &qca->ibs_recv_slps); qca_debugfs_init() 482 &qca->ibs_recv_wakes); qca_debugfs_init() 484 &qca->ibs_recv_wacks); qca_debugfs_init() 485 debugfs_create_bool("tx_vote", mode, ibs_dir, &qca->tx_vote); qca_debugfs_init() 486 debugfs_create_u64("tx_votes_on", mode, ibs_dir, &qca->tx_votes_on); qca_debugfs_init() 487 debugfs_create_u64("tx_votes_off", mode, ibs_dir, &qca->tx_votes_off); qca_debugfs_init() 488 debugfs_create_bool("rx_vote", mode, ibs_dir, &qca->rx_vote); qca_debugfs_init() 489 debugfs_create_u64("rx_votes_on", mode, ibs_dir, &qca->rx_votes_on); qca_debugfs_init() 490 debugfs_create_u64("rx_votes_off", mode, ibs_dir, &qca->rx_votes_off); qca_debugfs_init() 491 debugfs_create_u64("votes_on", mode, ibs_dir, &qca->votes_on); qca_debugfs_init() 492 debugfs_create_u64("votes_off", mode, ibs_dir, &qca->votes_off); qca_debugfs_init() 493 debugfs_create_u32("vote_on_ms", mode, ibs_dir, &qca->vote_on_ms); qca_debugfs_init() 494 debugfs_create_u32("vote_off_ms", mode, ibs_dir, &qca->vote_off_ms); qca_debugfs_init() 498 debugfs_create_u32("wake_retrans", mode, ibs_dir, &qca->wake_retrans); qca_debugfs_init() 500 &qca->tx_idle_delay); qca_debugfs_init() 506 struct qca_data *qca = hu->priv; qca_flush() local 508 BT_DBG("hu %p qca flush", hu); qca_flush() 510 skb_queue_purge(&qca->tx_wait_q); qca_flush() 511 skb_queue_purge(&qca->txq); qca_flush() 519 struct qca_data *qca = hu->priv; qca_close() local 521 BT_DBG("hu %p qca close", hu); qca_close() 525 skb_queue_purge(&qca->tx_wait_q); qca_close() 526 skb_queue_purge(&qca->txq); qca_close() 527 del_timer(&qca->tx_idle_timer); qca_close() 528 del_timer(&qca->wake_retrans_timer); qca_close() 529 destroy_workqueue(qca->workqueue); qca_close() 530 qca->hu = NULL; qca_close() 532 kfree_skb(qca->rx_skb); qca_close() 536 kfree(qca); qca_close() 546 struct qca_data *qca = hu->priv; device_want_to_wakeup() local 550 spin_lock_irqsave(&qca->hci_ibs_lock, flags); device_want_to_wakeup() 552 qca->ibs_recv_wakes++; device_want_to_wakeup() 554 switch (qca->rx_ibs_state) { device_want_to_wakeup() 559 queue_work(qca->workqueue, &qca->ws_awake_rx); device_want_to_wakeup() 560 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); device_want_to_wakeup() 571 qca->ibs_sent_wacks++; device_want_to_wakeup() 577 qca->rx_ibs_state); device_want_to_wakeup() 581 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); device_want_to_wakeup() 592 struct qca_data *qca = hu->priv; device_want_to_sleep() local 596 spin_lock_irqsave(&qca->hci_ibs_lock, flags); device_want_to_sleep() 598 qca->ibs_recv_slps++; device_want_to_sleep() 600 switch (qca->rx_ibs_state) { device_want_to_sleep() 603 qca->rx_ibs_state = HCI_IBS_RX_ASLEEP; device_want_to_sleep() 605 queue_work(qca->workqueue, &qca->ws_rx_vote_off); device_want_to_sleep() 614 qca->rx_ibs_state); device_want_to_sleep() 618 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); device_want_to_sleep() 626 struct qca_data *qca = hu->priv; device_woke_up() local 631 spin_lock_irqsave(&qca->hci_ibs_lock, flags); device_woke_up() 633 qca->ibs_recv_wacks++; device_woke_up() 635 switch (qca->tx_ibs_state) { device_woke_up() 639 qca->tx_ibs_state); device_woke_up() 644 while ((skb = skb_dequeue(&qca->tx_wait_q))) device_woke_up() 645 skb_queue_tail(&qca->txq, skb); device_woke_up() 648 del_timer(&qca->wake_retrans_timer); device_woke_up() 649 idle_delay = msecs_to_jiffies(qca->tx_idle_delay); device_woke_up() 650 mod_timer(&qca->tx_idle_timer, jiffies + idle_delay); device_woke_up() 651 qca->tx_ibs_state = HCI_IBS_TX_AWAKE; device_woke_up() 659 qca->tx_ibs_state); device_woke_up() 663 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); device_woke_up() 675 struct qca_data *qca = hu->priv; qca_enqueue() local 677 BT_DBG("hu %p qca enq skb %p tx_ibs_state %d", hu, skb, qca_enqueue() 678 qca->tx_ibs_state); qca_enqueue() 686 if (!test_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags)) { qca_enqueue() 687 skb_queue_tail(&qca->txq, skb); qca_enqueue() 691 spin_lock_irqsave(&qca->hci_ibs_lock, flags); qca_enqueue() 694 switch (qca->tx_ibs_state) { qca_enqueue() 697 skb_queue_tail(&qca->txq, skb); qca_enqueue() 698 idle_delay = msecs_to_jiffies(qca->tx_idle_delay); qca_enqueue() 699 mod_timer(&qca->tx_idle_timer, jiffies + idle_delay); qca_enqueue() 705 skb_queue_tail(&qca->tx_wait_q, skb); qca_enqueue() 707 qca->tx_ibs_state = HCI_IBS_TX_WAKING; qca_enqueue() 709 queue_work(qca->workqueue, &qca->ws_awake_device); qca_enqueue() 715 skb_queue_tail(&qca->tx_wait_q, skb); qca_enqueue() 720 qca->tx_ibs_state); qca_enqueue() 725 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); qca_enqueue() 798 struct qca_data *qca = hu->priv; qca_recv() local 803 qca->rx_skb = h4_recv_buf(hu->hdev, qca->rx_skb, data, count, qca_recv() 805 if (IS_ERR(qca->rx_skb)) { qca_recv() 806 int err = PTR_ERR(qca->rx_skb); qca_recv() 808 qca->rx_skb = NULL; qca_recv() 817 struct qca_data *qca = hu->priv; qca_dequeue() local 819 return skb_dequeue(&qca->txq); qca_dequeue() 859 struct qca_data *qca = hu->priv; qca_set_baudrate() local 878 skb_queue_tail(&qca->txq, skb); qca_set_baudrate() 895 struct qca_data *qca = hu->priv; qca_setup() local 902 clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags); qca_setup() 937 set_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags); qca_setup()
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H A D | btqca.c | 358 snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin", qca_uart_setup_rome() 368 snprintf(config.fwname, sizeof(config.fwname), "qca/nvm_%08x.bin", qca_uart_setup_rome() 389 MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
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H A D | btusb.c | 2583 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); btusb_setup_qca_load_rampatch() 2625 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", btusb_setup_qca_load_nvm()
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/linux-4.4.14/arch/mips/boot/dts/ |
H A D | Makefile | 7 dts-dirs += qca
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/linux-4.4.14/arch/mips/ath79/ |
H A D | mach-ap136.c | 51 .name = "qca:green:status", 56 .name = "qca:red:status", 61 .name = "qca:green:wps", 66 .name = "qca:red:wps", 71 .name = "qca:red:wlan-2g", 76 .name = "qca:red:usb",
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H A D | irq.c | 304 IRQCHIP_DECLARE(ar7100_misc_intc, "qca,ar7100-misc-intc", 314 IRQCHIP_DECLARE(ar7240_misc_intc, "qca,ar7240-misc-intc", 324 node, "qca,ddr-wb-channels", "#qca,ddr-wb-channel-cells"); ar79_cpu_intc_of_init() 331 node, "qca,ddr-wb-channel-interrupts", i, &irq); ar79_cpu_intc_of_init() 336 node, "qca,ddr-wb-channels", ar79_cpu_intc_of_init() 337 "#qca,ddr-wb-channel-cells", ar79_cpu_intc_of_init() 349 IRQCHIP_DECLARE(ar79_cpu_intc, "qca,ar7100-cpu-intc",
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H A D | clock.c | 484 CLK_OF_DECLARE(ar7100, "qca,ar7100-pll", ath79_clocks_init_dt); 485 CLK_OF_DECLARE(ar7240, "qca,ar7240-pll", ath79_clocks_init_dt); 486 CLK_OF_DECLARE(ar9130, "qca,ar9130-pll", ath79_clocks_init_dt); 487 CLK_OF_DECLARE(ar9330, "qca,ar9330-pll", ath79_clocks_init_dt); 488 CLK_OF_DECLARE(ar9340, "qca,ar9340-pll", ath79_clocks_init_dt); 489 CLK_OF_DECLARE(ar9550, "qca,qca9550-pll", ath79_clocks_init_dt);
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/linux-4.4.14/drivers/gpio/ |
H A D | gpio-ath79.c | 134 { .compatible = "qca,ar7100-gpio" }, 135 { .compatible = "qca,ar9340-gpio" }, 163 oe_inverted = of_device_is_compatible(np, "qca,ar9340-gpio"); ath79_gpio_probe()
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/linux-4.4.14/drivers/reset/ |
H A D | reset-ath79.c | 112 { .compatible = "qca,ar7100-reset", },
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/linux-4.4.14/drivers/spi/ |
H A D | spi-ath79.c | 304 { .compatible = "qca,ar7100-spi", },
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/linux-4.4.14/drivers/net/wireless/ath/wil6210/ |
H A D | pcie_bus.c | 361 MODULE_AUTHOR("Qualcomm Atheros <wil6210@qca.qualcomm.com>");
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/linux-4.4.14/net/wireless/ |
H A D | reg.h | 4 * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
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H A D | reg.c | 5 * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
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/linux-4.4.14/drivers/watchdog/ |
H A D | ath79_wdt.c | 317 { .compatible = "qca,ar7130-wdt" },
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/linux-4.4.14/include/net/ |
H A D | regulatory.h | 6 * Copyright 2008-2009 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
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/linux-4.4.14/drivers/tty/serial/ |
H A D | ar933x_uart.c | 736 { .compatible = "qca,ar9330-uart" },
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