mirror of https://github.com/hak5/openwrt.git
41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
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From f706821596d8a3dcda314c38b13d91f108fdc435 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Fri, 22 Jul 2011 17:10:29 +0200
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Subject: [PATCH 21/22] b43: read correct register on bcma bus.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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drivers/net/wireless/b43/dma.c | 20 +++++++++++++++++---
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1 files changed, 17 insertions(+), 3 deletions(-)
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--- a/drivers/net/wireless/b43/dma.c
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+++ b/drivers/net/wireless/b43/dma.c
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@@ -795,9 +795,23 @@ static u64 supported_dma_mask(struct b43
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u32 tmp;
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u16 mmio_base;
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- tmp = b43_read32(dev, SSB_TMSHIGH);
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- if (tmp & SSB_TMSHIGH_DMA64)
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- return DMA_BIT_MASK(64);
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+ switch (dev->dev->bus_type) {
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+#ifdef CONFIG_B43_BCMA
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+ case B43_BUS_BCMA:
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+ tmp = bcma_aread32(dev->dev->bdev, BCMA_IOST);
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+ if (tmp & BCMA_IOST_DMA64)
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+ return DMA_BIT_MASK(64);
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+ break;
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+#endif
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+#ifdef CONFIG_B43_SSB
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+ case B43_BUS_SSB:
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+ tmp = ssb_read32(dev->dev->sdev, SSB_TMSHIGH);
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+ if (tmp & SSB_TMSHIGH_DMA64)
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+ return DMA_BIT_MASK(64);
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+ break;
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+#endif
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+ }
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+
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mmio_base = b43_dmacontroller_base(0, 0);
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b43_write32(dev, mmio_base + B43_DMA32_TXCTL, B43_DMA32_TXADDREXT_MASK);
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tmp = b43_read32(dev, mmio_base + B43_DMA32_TXCTL);
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