diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43/dma.c | 32 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/wa.c | 1 |
3 files changed, 26 insertions, 10 deletions
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 5e8f8ac0f1d..f3552acffdf 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -165,7 +165,7 @@ 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 |= ssb_dma_translation(ring->dev->dev); + addrhi |= (ssb_dma_translation(ring->dev->dev) << 1); if (slot == ring->nr_slots - 1) ctl0 |= B43_DMA64_DCTL0_DTABLEEND; if (start) @@ -426,9 +426,21 @@ static inline static int alloc_ringmemory(struct b43_dmaring *ring) { struct device *dev = ring->dev->dev->dev; - + gfp_t flags = GFP_KERNEL; + + /* The specs call for 4K buffers for 30- and 32-bit DMA with 4K + * alignment and 8K buffers for 64-bit DMA with 8K alignment. Testing + * has shown that 4K is sufficient for the latter as long as the buffer + * does not cross an 8K boundary. + * + * For unknown reasons - possibly a hardware error - the BCM4311 rev + * 02, which uses 64-bit DMA, needs the ring buffer in very low memory, + * which accounts for the GFP_DMA flag below. + */ + if (ring->dma64) + flags |= GFP_DMA; ring->descbase = dma_alloc_coherent(dev, B43_DMA_RINGMEMSIZE, - &(ring->dmabase), GFP_KERNEL); + &(ring->dmabase), flags); if (!ring->descbase) { b43err(ring->dev->wl, "DMA ringmemory allocation failed\n"); return -ENOMEM; @@ -483,7 +495,7 @@ int b43_dmacontroller_rx_reset(struct b43_wldev *dev, u16 mmio_base, int dma64) return 0; } -/* Reset the RX DMA channel */ +/* Reset the TX DMA channel */ int b43_dmacontroller_tx_reset(struct b43_wldev *dev, u16 mmio_base, int dma64) { int i; @@ -647,7 +659,7 @@ static int dmacontroller_setup(struct b43_dmaring *ring) b43_dma_write(ring, B43_DMA64_TXRINGHI, ((ringbase >> 32) & ~SSB_DMA_TRANSLATION_MASK) - | trans); + | (trans << 1)); } else { u32 ringbase = (u32) (ring->dmabase); @@ -680,8 +692,9 @@ static int dmacontroller_setup(struct b43_dmaring *ring) b43_dma_write(ring, B43_DMA64_RXRINGHI, ((ringbase >> 32) & ~SSB_DMA_TRANSLATION_MASK) - | trans); - b43_dma_write(ring, B43_DMA64_RXINDEX, 200); + | (trans << 1)); + b43_dma_write(ring, B43_DMA64_RXINDEX, ring->nr_slots * + sizeof(struct b43_dmadesc64)); } else { u32 ringbase = (u32) (ring->dmabase); @@ -695,11 +708,12 @@ static int dmacontroller_setup(struct b43_dmaring *ring) b43_dma_write(ring, B43_DMA32_RXRING, (ringbase & ~SSB_DMA_TRANSLATION_MASK) | trans); - b43_dma_write(ring, B43_DMA32_RXINDEX, 200); + b43_dma_write(ring, B43_DMA32_RXINDEX, ring->nr_slots * + sizeof(struct b43_dmadesc32)); } } - out: +out: return err; } diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 084bbac0173..064cbe11888 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -93,6 +93,7 @@ static const struct ssb_device_id b43_ssb_tbl[] = { SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 7), SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9), SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10), + SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13), SSB_DEVTABLE_END }; @@ -3078,7 +3079,7 @@ static int b43_phy_versioning(struct b43_wldev *dev) unsupported = 1; break; case B43_PHYTYPE_G: - if (phy_rev > 8) + if (phy_rev > 9) unsupported = 1; break; default: diff --git a/drivers/net/wireless/b43/wa.c b/drivers/net/wireless/b43/wa.c index b3df1ba0e54..0ba7f948bee 100644 --- a/drivers/net/wireless/b43/wa.c +++ b/drivers/net/wireless/b43/wa.c @@ -642,6 +642,7 @@ void b43_wa_all(struct b43_wldev *dev) case 6: case 7: case 8: + case 9: b43_wa_tr_ltov(dev); b43_wa_crs_ed(dev); b43_wa_rssi_lt(dev); |