diff options
Diffstat (limited to 'kernel/drivers/net/ethernet/broadcom/bgmac.c')
| -rw-r--r-- | kernel/drivers/net/ethernet/broadcom/bgmac.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/drivers/net/ethernet/broadcom/bgmac.c b/kernel/drivers/net/ethernet/broadcom/bgmac.c index 28f7610b0..b56c9c581 100644 --- a/kernel/drivers/net/ethernet/broadcom/bgmac.c +++ b/kernel/drivers/net/ethernet/broadcom/bgmac.c @@ -219,7 +219,7 @@ err_dma: dma_unmap_single(dma_dev, slot->dma_addr, skb_headlen(skb), DMA_TO_DEVICE); - while (i > 0) { + while (i-- > 0) { int index = (ring->end + i) % BGMAC_TX_RING_SLOTS; struct bgmac_slot_info *slot = &ring->slots[index]; u32 ctl1 = le32_to_cpu(ring->cpu_base[index].ctl1); @@ -314,6 +314,10 @@ static void bgmac_dma_rx_enable(struct bgmac *bgmac, u32 ctl; ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL); + + /* preserve ONLY bits 16-17 from current hardware value */ + ctl &= BGMAC_DMA_RX_ADDREXT_MASK; + if (bgmac->core->id.rev >= 4) { ctl &= ~BGMAC_DMA_RX_BL_MASK; ctl |= BGMAC_DMA_RX_BL_128 << BGMAC_DMA_RX_BL_SHIFT; @@ -324,7 +328,6 @@ static void bgmac_dma_rx_enable(struct bgmac *bgmac, ctl &= ~BGMAC_DMA_RX_PT_MASK; ctl |= BGMAC_DMA_RX_PT_1 << BGMAC_DMA_RX_PT_SHIFT; } - ctl &= BGMAC_DMA_RX_ADDREXT_MASK; ctl |= BGMAC_DMA_RX_ENABLE; ctl |= BGMAC_DMA_RX_PARITY_DISABLE; ctl |= BGMAC_DMA_RX_OVERFLOW_CONT; |