diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2011-07-20 19:52:14 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-07-22 09:51:12 -0400 |
| commit | a9770a815d280d6aa2da406e159eff92b880670e (patch) | |
| tree | 2337d004f5c95677c1e925dfb3b73e939ecf0d19 | |
| parent | 78c1ee7e61af4eb3f6c8a553ca56036e3734121f (diff) | |
| download | linux-rt-a9770a815d280d6aa2da406e159eff92b880670e.tar.gz | |
ssb: return correct translation bit for 64-bit DMA
Remove b43's workarounds at the same time. Other users of
ssb_dma_translation do not support any 64-bit DMA devices, so they are
not affected.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/b43/dma.c | 6 | ||||
| -rw-r--r-- | drivers/ssb/main.c | 5 |
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 78c5c82dec8d..efff2419388d 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -174,7 +174,7 @@ static void op64_fill_descriptor(struct b43_dmaring *ring, addrhi = (((u64) dmaaddr >> 32) & ~SSB_DMA_TRANSLATION_MASK); addrext = (((u64) dmaaddr >> 32) & SSB_DMA_TRANSLATION_MASK) >> SSB_DMA_TRANSLATION_SHIFT; - addrhi |= (ring->dev->dma.translation << 1); + addrhi |= ring->dev->dma.translation; if (slot == ring->nr_slots - 1) ctl0 |= B43_DMA64_DCTL0_DTABLEEND; if (start) @@ -678,7 +678,7 @@ static int dmacontroller_setup(struct b43_dmaring *ring) b43_dma_write(ring, B43_DMA64_TXRINGHI, ((ringbase >> 32) & ~SSB_DMA_TRANSLATION_MASK) - | (trans << 1)); + | trans); } else { u32 ringbase = (u32) (ring->dmabase); @@ -715,7 +715,7 @@ static int dmacontroller_setup(struct b43_dmaring *ring) b43_dma_write(ring, B43_DMA64_RXRINGHI, ((ringbase >> 32) & ~SSB_DMA_TRANSLATION_MASK) - | (trans << 1)); + | trans); b43_dma_write(ring, B43_DMA64_RXINDEX, ring->nr_slots * sizeof(struct b43_dmadesc64)); } else { diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 57b7b6460896..6ec6e099fe04 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -1266,7 +1266,10 @@ u32 ssb_dma_translation(struct ssb_device *dev) case SSB_BUSTYPE_SSB: return 0; case SSB_BUSTYPE_PCI: - return SSB_PCI_DMA; + if (ssb_read32(dev, SSB_TMSHIGH) & SSB_TMSHIGH_DMA64) + return SSB_PCIE_DMA_H32; + else + return SSB_PCI_DMA; default: __ssb_dma_not_implemented(dev); } |