static void btuart_write_wakeup(btuart_info_t *info) { if (!info) { BT_ERR("Unknown device"); return; } if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) { set_bit(XMIT_WAKEUP, &(info->tx_state)); return; } do { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)) register unsigned int iobase = info->p_dev->resource[0]->start; #else register unsigned int iobase = info->p_dev->io.BasePort1; #endif register struct sk_buff *skb; register int len; clear_bit(XMIT_WAKEUP, &(info->tx_state)); if (!pcmcia_dev_present(info->p_dev)) return; if (!(skb = skb_dequeue(&(info->txq)))) break; /* Send frame */ len = btuart_write(iobase, 16, skb->data, skb->len); set_bit(XMIT_WAKEUP, &(info->tx_state)); if (len == skb->len) { kfree_skb(skb); } else { skb_pull(skb, len); skb_queue_head(&(info->txq), skb); } info->hdev->stat.byte_tx += len; } while (test_bit(XMIT_WAKEUP, &(info->tx_state))); clear_bit(XMIT_SENDING, &(info->tx_state)); }
static void btuart_write_wakeup(btuart_info_t *info) { if (!info) { BT_ERR("Unknown device"); return; } if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) { set_bit(XMIT_WAKEUP, &(info->tx_state)); return; } do { register unsigned int iobase = info->link.io.BasePort1; register struct sk_buff *skb; register int len; clear_bit(XMIT_WAKEUP, &(info->tx_state)); if (!(info->link.state & DEV_PRESENT)) return; if (!(skb = skb_dequeue(&(info->txq)))) break; /* Send frame */ len = btuart_write(iobase, 16, skb->data, skb->len); set_bit(XMIT_WAKEUP, &(info->tx_state)); if (len == skb->len) { kfree_skb(skb); } else { skb_pull(skb, len); skb_queue_head(&(info->txq), skb); } info->hdev->stat.byte_tx += len; } while (test_bit(XMIT_WAKEUP, &(info->tx_state))); clear_bit(XMIT_SENDING, &(info->tx_state)); }