package/mac80211/patches/810-b43_no_pio.patch

   1 --- a/drivers/net/wireless/b43/Makefile
   2 +++ b/drivers/net/wireless/b43/Makefile
   3 @@ -14,7 +14,7 @@ b43-y                         += xmit.o
   4  b43-y                          += lo.o
   5  b43-y                          += wa.o
   6  b43-y                          += dma.o
   7 -b43-y                          += pio.o
   8 +b43-$(CONFIG_B43_PIO)          += pio.o
   9  b43-y                          += rfkill.o
  10  b43-$(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 @@ -1812,9 +1812,11 @@ 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! */
  20                         dev->use_pio = 1;
  21                         b43_controller_restart(dev, "DMA error");
  22 +#endif
  23                         return;
  24                 }
  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);
  30  }
  31
  32 -
  33 +#ifdef CONFIG_B43_PIO
  34  int b43_pio_init(struct b43_wldev *dev);
  35  void b43_pio_free(struct b43_wldev *dev);
  36
  37 @@ -161,5 +161,37 @@ void b43_pio_rx(struct b43_pio_rxqueue *
  38
  39  void b43_pio_tx_suspend(struct b43_wldev *dev);
  40  void b43_pio_tx_resume(struct b43_wldev *dev);
  41 +#else
  42 +static inline int b43_pio_init(struct b43_wldev *dev)
  43 +{
  44 +       return 0;
  45 +}
  46 +
  47 +static inline void b43_pio_free(struct b43_wldev *dev)
  48 +{
  49 +}
  50 +
  51 +static inline int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
  52 +{
  53 +       return 0;
  54 +}
  55 +
  56 +static inline void b43_pio_handle_txstatus(struct b43_wldev *dev,
  57 +                                          const struct b43_txstatus *status)
  58 +{
  59 +}
  60 +
  61 +static inline void b43_pio_rx(struct b43_pio_rxqueue *q)
  62 +{
  63 +}
  64 +
  65 +static inline void b43_pio_tx_suspend(struct b43_wldev *dev)
  66 +{
  67 +}
  68 +
  69 +static inline void b43_pio_tx_resume(struct b43_wldev *dev)
  70 +{
  71 +}
  72 +#endif /* CONFIG_B43_PIO */
  73
  74  #endif /* B43_PIO_H_ */