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74 lines
1.9 KiB
74 lines
1.9 KiB
--- a/drivers/net/wireless/b43/Makefile
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+++ b/drivers/net/wireless/b43/Makefile
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@@ -17,7 +17,7 @@ b43-y += xmit.o
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b43-y += lo.o
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b43-y += wa.o
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b43-y += dma.o
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-b43-y += pio.o
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+b43-$(CONFIG_B43_PIO) += pio.o
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b43-y += rfkill.o
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b43-$(CONFIG_B43_LEDS) += leds.o
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b43-$(CONFIG_B43_PCMCIA) += pcmcia.o
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--- a/drivers/net/wireless/b43/main.c
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+++ b/drivers/net/wireless/b43/main.c
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@@ -1834,9 +1834,11 @@ static void b43_do_interrupt_thread(stru
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dma_reason[4], dma_reason[5]);
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b43err(dev->wl, "This device does not support DMA "
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"on your system. It will now be switched to PIO.\n");
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+#ifdef CONFIG_B43_PIO
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/* Fall back to PIO transfers if we get fatal DMA errors! */
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dev->use_pio = 1;
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b43_controller_restart(dev, "DMA error");
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+#endif
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return;
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}
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if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
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--- a/drivers/net/wireless/b43/pio.h
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+++ b/drivers/net/wireless/b43/pio.h
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@@ -150,7 +150,7 @@ static inline void b43_piorx_write32(str
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b43_write32(q->dev, q->mmio_base + offset, value);
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}
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-
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+#ifdef CONFIG_B43_PIO
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int b43_pio_init(struct b43_wldev *dev);
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void b43_pio_free(struct b43_wldev *dev);
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@@ -161,5 +161,37 @@ void b43_pio_rx(struct b43_pio_rxqueue *
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void b43_pio_tx_suspend(struct b43_wldev *dev);
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void b43_pio_tx_resume(struct b43_wldev *dev);
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+#else
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+static inline int b43_pio_init(struct b43_wldev *dev)
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+{
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+ return 0;
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+}
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+
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+static inline void b43_pio_free(struct b43_wldev *dev)
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+{
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+}
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+
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+static inline int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
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+{
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+ return 0;
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+}
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+
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+static inline void b43_pio_handle_txstatus(struct b43_wldev *dev,
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+ const struct b43_txstatus *status)
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+{
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+}
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+
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+static inline void b43_pio_rx(struct b43_pio_rxqueue *q)
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+{
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+}
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+
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+static inline void b43_pio_tx_suspend(struct b43_wldev *dev)
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+{
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+}
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+
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+static inline void b43_pio_tx_resume(struct b43_wldev *dev)
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+{
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+}
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+#endif /* CONFIG_B43_PIO */
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#endif /* B43_PIO_H_ */
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