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