diff options
Diffstat (limited to 'drivers/net/irda/stir4200.c')
| -rw-r--r-- | drivers/net/irda/stir4200.c | 122 |
1 files changed, 50 insertions, 72 deletions
diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c index e59c485bc49..dd1bd1060ec 100644 --- a/drivers/net/irda/stir4200.c +++ b/drivers/net/irda/stir4200.c @@ -41,7 +41,6 @@ #include <linux/kernel.h> #include <linux/types.h> -#include <linux/init.h> #include <linux/time.h> #include <linux/skbuff.h> #include <linux/netdevice.h> @@ -164,7 +163,7 @@ struct stir_cb { struct usb_device *usbdev; /* init: probe_irda */ struct net_device *netdev; /* network layer */ struct irlap_cb *irlap; /* The link layer we are binded to */ - struct net_device_stats stats; /* network statistics */ + struct qos_info qos; unsigned speed; /* Current speed */ @@ -219,7 +218,7 @@ static inline int read_reg(struct stir_cb *stir, __u16 reg, static inline int isfir(u32 speed) { - return (speed == 4000000); + return speed == 4000000; } /* @@ -323,16 +322,16 @@ static void fir_eof(struct stir_cb *stir) pr_debug("%s: short frame len %d\n", stir->netdev->name, len); - ++stir->stats.rx_errors; - ++stir->stats.rx_length_errors; + ++stir->netdev->stats.rx_errors; + ++stir->netdev->stats.rx_length_errors; return; } fcs = ~(crc32_le(~0, rx_buff->data, len)); - if (fcs != le32_to_cpu(get_unaligned((__le32 *)(rx_buff->data+len)))) { + if (fcs != get_unaligned_le32(rx_buff->data + len)) { pr_debug("crc error calc 0x%x len %d\n", fcs, len); - stir->stats.rx_errors++; - stir->stats.rx_crc_errors++; + stir->netdev->stats.rx_errors++; + stir->netdev->stats.rx_crc_errors++; return; } @@ -340,7 +339,7 @@ static void fir_eof(struct stir_cb *stir) if (len < IRDA_RX_COPY_THRESHOLD) { nskb = dev_alloc_skb(len + 1); if (unlikely(!nskb)) { - ++stir->stats.rx_dropped; + ++stir->netdev->stats.rx_dropped; return; } skb_reserve(nskb, 1); @@ -349,7 +348,7 @@ static void fir_eof(struct stir_cb *stir) } else { nskb = dev_alloc_skb(rx_buff->truesize); if (unlikely(!nskb)) { - ++stir->stats.rx_dropped; + ++stir->netdev->stats.rx_dropped; return; } skb_reserve(nskb, 1); @@ -366,8 +365,8 @@ static void fir_eof(struct stir_cb *stir) netif_rx(skb); - stir->stats.rx_packets++; - stir->stats.rx_bytes += len; + stir->netdev->stats.rx_packets++; + stir->netdev->stats.rx_bytes += len; rx_buff->data = rx_buff->head; rx_buff->len = 0; @@ -437,7 +436,7 @@ static void stir_fir_chars(struct stir_cb *stir, if (unlikely(rx_buff->len >= rx_buff->truesize)) { pr_debug("%s: fir frame exceeds %d\n", stir->netdev->name, rx_buff->truesize); - ++stir->stats.rx_over_errors; + ++stir->netdev->stats.rx_over_errors; goto error_recovery; } @@ -445,10 +444,10 @@ static void stir_fir_chars(struct stir_cb *stir, continue; frame_error: - ++stir->stats.rx_frame_errors; + ++stir->netdev->stats.rx_frame_errors; error_recovery: - ++stir->stats.rx_errors; + ++stir->netdev->stats.rx_errors; rx_buff->state = OUTSIDE_FRAME; rx_buff->in_frame = FALSE; } @@ -461,7 +460,7 @@ static void stir_sir_chars(struct stir_cb *stir, int i; for (i = 0; i < len; i++) - async_unwrap_char(stir->netdev, &stir->stats, + async_unwrap_char(stir->netdev, &stir->netdev->stats, &stir->rx_buff, bytes[i]); } @@ -506,7 +505,7 @@ static int change_speed(struct stir_cb *stir, unsigned speed) goto found; } - warn("%s: invalid speed %d", stir->netdev->name, speed); + dev_warn(&stir->netdev->dev, "invalid speed %d\n", speed); return -EINVAL; found: @@ -560,7 +559,8 @@ static int change_speed(struct stir_cb *stir, unsigned speed) /* * Called from net/core when new frame is available. */ -static int stir_hard_xmit(struct sk_buff *skb, struct net_device *netdev) +static netdev_tx_t stir_hard_xmit(struct sk_buff *skb, + struct net_device *netdev) { struct stir_cb *stir = netdev_priv(netdev); @@ -578,7 +578,7 @@ static int stir_hard_xmit(struct sk_buff *skb, struct net_device *netdev) dev_kfree_skb(skb); } - return 0; + return NETDEV_TX_OK; } /* @@ -598,8 +598,8 @@ static int fifo_txwait(struct stir_cb *stir, int space) err = read_reg(stir, REG_FIFOCTL, stir->fifo_status, FIFO_REGS_SIZE); if (unlikely(err != FIFO_REGS_SIZE)) { - warn("%s: FIFO register read error: %d", - stir->netdev->name, err); + dev_warn(&stir->netdev->dev, + "FIFO register read error: %d\n", err); return err; } @@ -611,16 +611,16 @@ static int fifo_txwait(struct stir_cb *stir, int space) pr_debug("fifo status 0x%lx count %lu\n", status, count); /* is fifo receiving already, or empty */ - if (!(status & FIFOCTL_DIR) - || (status & FIFOCTL_EMPTY)) + if (!(status & FIFOCTL_DIR) || + (status & FIFOCTL_EMPTY)) return 0; if (signal_pending(current)) return -EINTR; /* shutting down? */ - if (!netif_running(stir->netdev) - || !netif_device_present(stir->netdev)) + if (!netif_running(stir->netdev) || + !netif_device_present(stir->netdev)) return -ESHUTDOWN; /* only waiting for some space */ @@ -692,7 +692,7 @@ static void receive_stop(struct stir_cb *stir) usb_kill_urb(stir->rx_urb); if (stir->rx_buff.in_frame) - stir->stats.collisions++; + stir->netdev->stats.collisions++; } /* * Wrap data in socket buffer and send it. @@ -718,15 +718,15 @@ static void stir_send(struct stir_cb *stir, struct sk_buff *skb) if (!first_frame) fifo_txwait(stir, wraplen); - stir->stats.tx_packets++; - stir->stats.tx_bytes += skb->len; + stir->netdev->stats.tx_packets++; + stir->netdev->stats.tx_bytes += skb->len; stir->netdev->trans_start = jiffies; pr_debug("send %d (%d)\n", skb->len, wraplen); if (usb_bulk_msg(stir->usbdev, usb_sndbulkpipe(stir->usbdev, 1), stir->io_buf, wraplen, NULL, TRANSMIT_TIMEOUT)) - stir->stats.tx_errors++; + stir->netdev->stats.tx_errors++; } /* @@ -749,7 +749,7 @@ static int stir_transmit_thread(void *arg) write_reg(stir, REG_CTRL1, CTRL1_TXPWD|CTRL1_RXPWD); - refrigerator(); + try_to_freeze(); if (change_speed(stir, stir->speed)) break; @@ -775,16 +775,17 @@ static int stir_transmit_thread(void *arg) } /* nothing to send? start receiving */ - if (!stir->receiving - && irda_device_txqueue_empty(dev)) { + if (!stir->receiving && + irda_device_txqueue_empty(dev)) { /* Wait otherwise chip gets confused. */ if (fifo_txwait(stir, -1)) break; if (unlikely(receive_start(stir))) { if (net_ratelimit()) - info("%s: receive usb submit failed", - stir->netdev->name); + dev_info(&dev->dev, + "%s: receive usb submit failed\n", + stir->netdev->name); stir->receiving = 0; msleep(10); continue; @@ -823,7 +824,6 @@ static void stir_rcv_irq(struct urb *urb) unwrap_chars(stir, urb->transfer_buffer, urb->actual_length); - stir->netdev->last_rx = jiffies; do_gettimeofday(&stir->rx_time); } @@ -836,8 +836,8 @@ static void stir_rcv_irq(struct urb *urb) /* in case of error, the kernel thread will restart us */ if (err) { - warn("%s: usb receive submit error: %d", - stir->netdev->name, err); + dev_warn(&stir->netdev->dev, "usb receive submit error: %d\n", + err); stir->receiving = 0; wake_up_process(stir->thread); } @@ -903,7 +903,7 @@ static int stir_net_open(struct net_device *netdev) sprintf(hwname, "usb#%d", stir->usbdev->devnum); stir->irlap = irlap_open(netdev, &stir->qos, hwname); if (!stir->irlap) { - err("stir4200: irlap_open failed"); + dev_err(&stir->usbdev->dev, "irlap_open failed\n"); goto err_out5; } @@ -912,7 +912,7 @@ static int stir_net_open(struct net_device *netdev) "%s", stir->netdev->name); if (IS_ERR(stir->thread)) { err = PTR_ERR(stir->thread); - err("stir4200: unable to start kernel thread"); + dev_err(&stir->usbdev->dev, "unable to start kernel thread\n"); goto err_out6; } @@ -1007,14 +1007,12 @@ static int stir_net_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) return ret; } -/* - * Get device stats (for /proc/net/dev and ifconfig) - */ -static struct net_device_stats *stir_net_get_stats(struct net_device *netdev) -{ - struct stir_cb *stir = netdev_priv(netdev); - return &stir->stats; -} +static const struct net_device_ops stir_netdev_ops = { + .ndo_open = stir_net_open, + .ndo_stop = stir_net_close, + .ndo_start_xmit = stir_hard_xmit, + .ndo_do_ioctl = stir_net_ioctl, +}; /* * This routine is called by the USB subsystem for each new device @@ -1043,7 +1041,7 @@ static int stir_probe(struct usb_interface *intf, ret = usb_reset_configuration(dev); if (ret != 0) { - err("stir4200: usb reset configuration failed"); + dev_err(&intf->dev, "usb reset configuration failed\n"); goto err_out2; } @@ -1063,17 +1061,14 @@ static int stir_probe(struct usb_interface *intf, irda_qos_bits_to_value(&stir->qos); /* Override the network functions we need to use */ - net->hard_start_xmit = stir_hard_xmit; - net->open = stir_net_open; - net->stop = stir_net_close; - net->get_stats = stir_net_get_stats; - net->do_ioctl = stir_net_ioctl; + net->netdev_ops = &stir_netdev_ops; ret = register_netdev(net); if (ret != 0) goto err_out2; - info("IrDA: Registered SigmaTel device %s", net->name); + dev_info(&intf->dev, "IrDA: Registered SigmaTel device %s\n", + net->name); usb_set_intfdata(intf, stir); @@ -1137,21 +1132,4 @@ static struct usb_driver irda_driver = { #endif }; -/* - * Module insertion - */ -static int __init stir_init(void) -{ - return usb_register(&irda_driver); -} -module_init(stir_init); - -/* - * Module removal - */ -static void __exit stir_cleanup(void) -{ - /* Deregister the driver and remove all pending instances */ - usb_deregister(&irda_driver); -} -module_exit(stir_cleanup); +module_usb_driver(irda_driver); |
