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Diffstat (limited to 'target/linux/generic/patches-3.10/776-bgmac-add-dma-sync.patch')
-rw-r--r--target/linux/generic/patches-3.10/776-bgmac-add-dma-sync.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.10/776-bgmac-add-dma-sync.patch b/target/linux/generic/patches-3.10/776-bgmac-add-dma-sync.patch
new file mode 100644
index 0000000000..29fdd6b73d
--- /dev/null
+++ b/target/linux/generic/patches-3.10/776-bgmac-add-dma-sync.patch
@@ -0,0 +1,46 @@
+From 88d0993dbe84a9b88212a4845fca28bf4c919ffb Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Tue, 26 Nov 2013 23:59:32 +0100
+Subject: [PATCH 14/16] bgmac: stuff
+
+---
+ drivers/net/ethernet/broadcom/bgmac.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+--- a/drivers/net/ethernet/broadcom/bgmac.c
++++ b/drivers/net/ethernet/broadcom/bgmac.c
+@@ -120,6 +120,7 @@ static netdev_tx_t bgmac_dma_tx_add(stru
+ struct net_device *net_dev = bgmac->net_dev;
+ struct bgmac_dma_desc *dma_desc;
+ struct bgmac_slot_info *slot;
++ int size = ring->num_slots * sizeof(struct bgmac_dma_desc);
+ u32 ctl0, ctl1;
+ int free_slots;
+
+@@ -160,6 +161,8 @@ static netdev_tx_t bgmac_dma_tx_add(stru
+ dma_desc->ctl0 = cpu_to_le32(ctl0);
+ dma_desc->ctl1 = cpu_to_le32(ctl1);
+
++ dma_sync_single_for_device(dma_dev, ring->dma_base, size, DMA_TO_DEVICE);
++
+ netdev_sent_queue(net_dev, skb->len);
+
+ wmb();
+@@ -311,6 +314,8 @@ static void bgmac_dma_rx_setup_desc(stru
+ struct bgmac_dma_ring *ring, int desc_idx)
+ {
+ struct bgmac_dma_desc *dma_desc = ring->cpu_base + desc_idx;
++ struct device *dma_dev = bgmac->core->dma_dev;
++ int size = ring->num_slots * sizeof(struct bgmac_dma_desc);
+ u32 ctl0 = 0, ctl1 = 0;
+
+ if (desc_idx == ring->num_slots - 1)
+@@ -325,6 +330,8 @@ static void bgmac_dma_rx_setup_desc(stru
+ 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);
++
++ dma_sync_single_for_device(dma_dev, ring->dma_base, size, DMA_TO_DEVICE);
+ }
+
+ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,