diff options
Diffstat (limited to 'target/linux/generic/pending-3.18/077-12-bgmac-drop-ring-num_slots.patch')
| -rw-r--r-- | target/linux/generic/pending-3.18/077-12-bgmac-drop-ring-num_slots.patch | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/target/linux/generic/pending-3.18/077-12-bgmac-drop-ring-num_slots.patch b/target/linux/generic/pending-3.18/077-12-bgmac-drop-ring-num_slots.patch deleted file mode 100644 index 4dbb6f4..0000000 --- a/target/linux/generic/pending-3.18/077-12-bgmac-drop-ring-num_slots.patch +++ /dev/null @@ -1,132 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -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@nbd.name> ---- - ---- 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]; |