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Diffstat (limited to 'target/linux/generic/patches-4.0/072-12-bgmac-drop-ring-num_slots.patch')
-rw-r--r--target/linux/generic/patches-4.0/072-12-bgmac-drop-ring-num_slots.patch132
1 files changed, 0 insertions, 132 deletions
diff --git a/target/linux/generic/patches-4.0/072-12-bgmac-drop-ring-num_slots.patch b/target/linux/generic/patches-4.0/072-12-bgmac-drop-ring-num_slots.patch
deleted file mode 100644
index 4cd2e3f80c..0000000000
--- a/target/linux/generic/patches-4.0/072-12-bgmac-drop-ring-num_slots.patch
+++ /dev/null
@@ -1,132 +0,0 @@
-From: Felix Fietkau <nbd@openwrt.org>
-Date: Sun, 12 Apr 2015 23:28:38 +0200
-Subject: [PATCH] bgmac: drop ring->num_slots
-
-The ring size is always known at compile time, so make the code a bit
-more efficient
-
-Signed-off-by: Felix Fietkau <nbd@openwrt.org>
----
-
---- a/drivers/net/ethernet/broadcom/bgmac.c
-+++ b/drivers/net/ethernet/broadcom/bgmac.c
-@@ -123,7 +123,7 @@ bgmac_dma_tx_add_buf(struct bgmac *bgmac
- struct bgmac_dma_desc *dma_desc;
- u32 ctl1;
-
-- if (i == ring->num_slots - 1)
-+ if (i == BGMAC_TX_RING_SLOTS - 1)
- ctl0 |= BGMAC_DESC_CTL0_EOT;
-
- ctl1 = len & BGMAC_DESC_CTL1_LEN;
-@@ -382,7 +382,7 @@ static void bgmac_dma_rx_setup_desc(stru
- struct bgmac_dma_desc *dma_desc = ring->cpu_base + desc_idx;
- u32 ctl0 = 0, ctl1 = 0;
-
-- if (desc_idx == ring->num_slots - 1)
-+ if (desc_idx == BGMAC_RX_RING_SLOTS - 1)
- ctl0 |= BGMAC_DESC_CTL0_EOT;
- ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
- /* Is there any BGMAC device that requires extension? */
-@@ -521,7 +521,7 @@ static void bgmac_dma_tx_ring_free(struc
- struct bgmac_slot_info *slot;
- int i;
-
-- for (i = 0; i < ring->num_slots; i++) {
-+ for (i = 0; i < BGMAC_TX_RING_SLOTS; i++) {
- int len = dma_desc[i].ctl1 & BGMAC_DESC_CTL1_LEN;
-
- slot = &ring->slots[i];
-@@ -546,7 +546,7 @@ static void bgmac_dma_rx_ring_free(struc
- struct bgmac_slot_info *slot;
- int i;
-
-- for (i = 0; i < ring->num_slots; i++) {
-+ for (i = 0; i < BGMAC_RX_RING_SLOTS; i++) {
- slot = &ring->slots[i];
- if (!slot->dma_addr)
- continue;
-@@ -560,7 +560,8 @@ static void bgmac_dma_rx_ring_free(struc
- }
-
- static void bgmac_dma_ring_desc_free(struct bgmac *bgmac,
-- struct bgmac_dma_ring *ring)
-+ struct bgmac_dma_ring *ring,
-+ int num_slots)
- {
- struct device *dma_dev = bgmac->core->dma_dev;
- int size;
-@@ -569,7 +570,7 @@ static void bgmac_dma_ring_desc_free(str
- return;
-
- /* Free ring of descriptors */
-- size = ring->num_slots * sizeof(struct bgmac_dma_desc);
-+ size = num_slots * sizeof(struct bgmac_dma_desc);
- dma_free_coherent(dma_dev, size, ring->cpu_base,
- ring->dma_base);
- }
-@@ -590,10 +591,12 @@ static void bgmac_dma_free(struct bgmac
- int i;
-
- for (i = 0; i < BGMAC_MAX_TX_RINGS; i++)
-- bgmac_dma_ring_desc_free(bgmac, &bgmac->tx_ring[i]);
-+ bgmac_dma_ring_desc_free(bgmac, &bgmac->tx_ring[i],
-+ BGMAC_TX_RING_SLOTS);
-
- for (i = 0; i < BGMAC_MAX_RX_RINGS; i++)
-- bgmac_dma_ring_desc_free(bgmac, &bgmac->rx_ring[i]);
-+ bgmac_dma_ring_desc_free(bgmac, &bgmac->rx_ring[i],
-+ BGMAC_RX_RING_SLOTS);
- }
-
- static int bgmac_dma_alloc(struct bgmac *bgmac)
-@@ -616,11 +619,10 @@ static int bgmac_dma_alloc(struct bgmac
-
- for (i = 0; i < BGMAC_MAX_TX_RINGS; i++) {
- ring = &bgmac->tx_ring[i];
-- ring->num_slots = BGMAC_TX_RING_SLOTS;
- ring->mmio_base = ring_base[i];
-
- /* Alloc ring of descriptors */
-- size = ring->num_slots * sizeof(struct bgmac_dma_desc);
-+ size = BGMAC_TX_RING_SLOTS * sizeof(struct bgmac_dma_desc);
- ring->cpu_base = dma_zalloc_coherent(dma_dev, size,
- &ring->dma_base,
- GFP_KERNEL);
-@@ -642,11 +644,10 @@ static int bgmac_dma_alloc(struct bgmac
-
- for (i = 0; i < BGMAC_MAX_RX_RINGS; i++) {
- ring = &bgmac->rx_ring[i];
-- ring->num_slots = BGMAC_RX_RING_SLOTS;
- ring->mmio_base = ring_base[i];
-
- /* Alloc ring of descriptors */
-- size = ring->num_slots * sizeof(struct bgmac_dma_desc);
-+ size = BGMAC_RX_RING_SLOTS * sizeof(struct bgmac_dma_desc);
- ring->cpu_base = dma_zalloc_coherent(dma_dev, size,
- &ring->dma_base,
- GFP_KERNEL);
-@@ -709,7 +710,7 @@ static int bgmac_dma_init(struct bgmac *
-
- ring->start = 0;
- ring->end = 0;
-- for (j = 0; j < ring->num_slots; j++) {
-+ for (j = 0; j < BGMAC_RX_RING_SLOTS; j++) {
- err = bgmac_dma_rx_skb_for_slot(bgmac, &ring->slots[j]);
- if (err)
- goto error;
---- a/drivers/net/ethernet/broadcom/bgmac.h
-+++ b/drivers/net/ethernet/broadcom/bgmac.h
-@@ -419,11 +419,10 @@ struct bgmac_dma_ring {
- u32 start;
- u32 end;
-
-- u16 num_slots;
-- u16 mmio_base;
- struct bgmac_dma_desc *cpu_base;
- dma_addr_t dma_base;
- u32 index_base; /* Used for unaligned rings only, otherwise 0 */
-+ u16 mmio_base;
- bool unaligned;
-
- struct bgmac_slot_info slots[BGMAC_RX_RING_SLOTS];