1 --- a/drivers/net/wireless/b43/Makefile
2 +++ b/drivers/net/wireless/b43/Makefile
3 @@ -19,7 +19,7 @@ b43-y += xmit.o
8 +b43-$(CONFIG_B43_PIO) += pio.o
10 b43-$(CONFIG_B43_LEDS) += leds.o
11 b43-$(CONFIG_B43_PCMCIA) += pcmcia.o
12 --- a/drivers/net/wireless/b43/main.c
13 +++ b/drivers/net/wireless/b43/main.c
14 @@ -1893,9 +1893,11 @@ static void b43_do_interrupt_thread(stru
15 dma_reason[4], dma_reason[5]);
16 b43err(dev->wl, "This device does not support DMA "
17 "on your system. It will now be switched to PIO.\n");
18 +#ifdef CONFIG_B43_PIO
19 /* Fall back to PIO transfers if we get fatal DMA errors! */
21 b43_controller_restart(dev, "DMA error");
25 if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
26 --- a/drivers/net/wireless/b43/pio.h
27 +++ b/drivers/net/wireless/b43/pio.h
28 @@ -150,7 +150,7 @@ static inline void b43_piorx_write32(str
29 b43_write32(q->dev, q->mmio_base + offset, value);
33 +#ifdef CONFIG_B43_PIO
34 int b43_pio_init(struct b43_wldev *dev);
35 void b43_pio_free(struct b43_wldev *dev);
37 @@ -161,5 +161,37 @@ void b43_pio_rx(struct b43_pio_rxqueue *
39 void b43_pio_tx_suspend(struct b43_wldev *dev);
40 void b43_pio_tx_resume(struct b43_wldev *dev);
42 +static inline int b43_pio_init(struct b43_wldev *dev)
47 +static inline void b43_pio_free(struct b43_wldev *dev)
51 +static inline int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
56 +static inline void b43_pio_handle_txstatus(struct b43_wldev *dev,
57 + const struct b43_txstatus *status)
61 +static inline void b43_pio_rx(struct b43_pio_rxqueue *q)
65 +static inline void b43_pio_tx_suspend(struct b43_wldev *dev)
69 +static inline void b43_pio_tx_resume(struct b43_wldev *dev)
72 +#endif /* CONFIG_B43_PIO */
74 #endif /* B43_PIO_H_ */