---
drivers/net/ethernet/broadcom/bgmac.c | 41 ++++++++++++++++++---------------
1 file changed, 22 insertions(+), 19 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bgmac.c
b/drivers/net/ethernet/broadcom/bgmac.c
index 1b8e7a3..e70ee43 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -268,6 +268,26 @@ static int bgmac_dma_rx_skb_for_slot(struct bgmac *bgmac,
return 0;
}
+static void bgmac_dma_rx_setup_desc(struct bgmac *bgmac,
+ struct bgmac_dma_ring *ring, int desc_idx)
+{
+ struct bgmac_dma_desc *dma_desc = ring->cpu_base + desc_idx;
+ u32 ctl0 = 0, ctl1 = 0;
+
+ if (desc_idx == ring->num_slots - 1)
+ ctl0 |= BGMAC_DESC_CTL0_EOT;
+ ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
+ /* Is there any BGMAC device that requires extension? */
+ /* ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT) &
+ * B43_DMA64_DCTL1_ADDREXT_MASK;
+ */
+
+ dma_desc->addr_low =
cpu_to_le32(lower_32_bits(ring->slots[desc_idx].dma_addr));
+ dma_desc->addr_high =
cpu_to_le32(upper_32_bits(ring->slots[desc_idx].dma_addr));
+ dma_desc->ctl0 = cpu_to_le32(ctl0);
+ dma_desc->ctl1 = cpu_to_le32(ctl1);
+}
+
static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
int weight)
{
@@ -484,8 +504,6 @@ err_dma_free:
static void bgmac_dma_init(struct bgmac *bgmac)
{
struct bgmac_dma_ring *ring;
- struct bgmac_dma_desc *dma_desc;
- u32 ctl0, ctl1;
int i;
for (i = 0; i < BGMAC_MAX_TX_RINGS; i++) {
@@ -514,23 +532,8 @@ static void bgmac_dma_init(struct bgmac *bgmac)
bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_RINGHI,
upper_32_bits(ring->dma_base));
- for (j = 0, dma_desc = ring->cpu_base; j < ring->num_slots;
- j++, dma_desc++) {
- ctl0 = ctl1 = 0;
-
- if (j == ring->num_slots - 1)
- ctl0 |= BGMAC_DESC_CTL0_EOT;
- ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
- /* Is there any BGMAC device that requires extension? */
- /* ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT) &
- * B43_DMA64_DCTL1_ADDREXT_MASK;
- */
-
- dma_desc->addr_low =
cpu_to_le32(lower_32_bits(ring->slots[j].dma_addr));
- dma_desc->addr_high =
cpu_to_le32(upper_32_bits(ring->slots[j].dma_addr));
- dma_desc->ctl0 = cpu_to_le32(ctl0);
- dma_desc->ctl1 = cpu_to_le32(ctl1);
- }
+ for (j = 0; j < ring->num_slots; j++)
+ bgmac_dma_rx_setup_desc(bgmac, ring, j);
bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_INDEX,
ring->num_slots * sizeof(struct bgmac_dma_desc));
--
1.7.10.4
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