kernel: Remove support for kernel 3.18

No target is using kernel 3.18 anymore, remove all the generic
support for kernel 3.18.

The removed packages are depending on kernel 3.18 only and are not used on
any recent kernel.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 0 insertions, 130 deletions

diff --git a/target/linux/generic/pending-3.18/077-07-bgmac-simplify-rx-DMA-error-handling.patch b/target/linux/generic/pending-3.18/077-07-bgmac-simplify-rx-DMA-error-handling.patch
deleted file mode 100644
index 2be65b4544..0000000000
--- a/target/linux/generic/pending-3.18/077-07-bgmac-simplify-rx-DMA-error-handling.patch
+++ /dev/null
@@ -1,130 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Sun, 12 Apr 2015 22:23:07 +0200
-Subject: [PATCH] bgmac: simplify/optimize rx DMA error handling
-
-Allocate a new buffer before processing the completed one. If allocation
-fails, reuse the old buffer.
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/drivers/net/ethernet/broadcom/bgmac.c
-+++ b/drivers/net/ethernet/broadcom/bgmac.c
-@@ -386,6 +386,19 @@ static void bgmac_dma_rx_setup_desc(stru
- 	dma_desc->ctl1 = cpu_to_le32(ctl1);
- }
- 
-+static void bgmac_dma_rx_poison_buf(struct device *dma_dev,
-+				    struct bgmac_slot_info *slot)
-+{
-+	struct bgmac_rx_header *rx = slot->buf + BGMAC_RX_BUF_OFFSET;
-+
-+	dma_sync_single_for_cpu(dma_dev, slot->dma_addr, BGMAC_RX_BUF_SIZE,
-+				DMA_FROM_DEVICE);
-+	rx->len = cpu_to_le16(0xdead);
-+	rx->flags = cpu_to_le16(0xbeef);
-+	dma_sync_single_for_device(dma_dev, slot->dma_addr, BGMAC_RX_BUF_SIZE,
-+				   DMA_FROM_DEVICE);
-+}
-+
- static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
- 			     int weight)
- {
-@@ -406,53 +419,35 @@ static int bgmac_dma_rx_read(struct bgma
- 		struct bgmac_rx_header *rx = slot->buf + BGMAC_RX_BUF_OFFSET;
- 		struct sk_buff *skb;
- 		void *buf = slot->buf;
-+		dma_addr_t dma_addr = slot->dma_addr;
- 		u16 len, flags;
- 
--		/* Unmap buffer to make it accessible to the CPU */
--		dma_sync_single_for_cpu(dma_dev, slot->dma_addr,
--					BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
--
--		/* Get info from the header */
--		len = le16_to_cpu(rx->len);
--		flags = le16_to_cpu(rx->flags);
--
- 		do {
--			dma_addr_t old_dma_addr = slot->dma_addr;
--			int err;
-+			/* Prepare new skb as replacement */
-+			if (bgmac_dma_rx_skb_for_slot(bgmac, slot)) {
-+				bgmac_dma_rx_poison_buf(dma_dev, slot);
-+				break;
-+			}
-+
-+			/* Unmap buffer to make it accessible to the CPU */
-+			dma_unmap_single(dma_dev, dma_addr,
-+					 BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
-+
-+			/* Get info from the header */
-+			len = le16_to_cpu(rx->len);
-+			flags = le16_to_cpu(rx->flags);
- 
- 			/* Check for poison and drop or pass the packet */
- 			if (len == 0xdead && flags == 0xbeef) {
- 				bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
- 					  ring->start);
--				dma_sync_single_for_device(dma_dev,
--							   slot->dma_addr,
--							   BGMAC_RX_BUF_SIZE,
--							   DMA_FROM_DEVICE);
-+				put_page(virt_to_head_page(buf));
- 				break;
- 			}
- 
- 			/* Omit CRC. */
- 			len -= ETH_FCS_LEN;
- 
--			/* Prepare new skb as replacement */
--			err = bgmac_dma_rx_skb_for_slot(bgmac, slot);
--			if (err) {
--				/* Poison the old skb */
--				rx->len = cpu_to_le16(0xdead);
--				rx->flags = cpu_to_le16(0xbeef);
--
--				dma_sync_single_for_device(dma_dev,
--							   slot->dma_addr,
--							   BGMAC_RX_BUF_SIZE,
--							   DMA_FROM_DEVICE);
--				break;
--			}
--			bgmac_dma_rx_setup_desc(bgmac, ring, ring->start);
--
--			/* Unmap old skb, we'll pass it to the netfif */
--			dma_unmap_single(dma_dev, old_dma_addr,
--					 BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
--
- 			skb = build_skb(buf, BGMAC_RX_ALLOC_SIZE);
- 			skb_put(skb, BGMAC_RX_FRAME_OFFSET +
- 				BGMAC_RX_BUF_OFFSET + len);
-@@ -465,6 +460,8 @@ static int bgmac_dma_rx_read(struct bgma
- 			handled++;
- 		} while (0);
- 
-+		bgmac_dma_rx_setup_desc(bgmac, ring, ring->start);
-+
- 		if (++ring->start >= BGMAC_RX_RING_SLOTS)
- 			ring->start = 0;
- 
-@@ -532,14 +529,14 @@ static void bgmac_dma_rx_ring_free(struc
- 
- 	for (i = 0; i < ring->num_slots; i++) {
- 		slot = &ring->slots[i];
--		if (!slot->buf)
-+		if (!slot->dma_addr)
- 			continue;
- 
--		if (slot->dma_addr)
--			dma_unmap_single(dma_dev, slot->dma_addr,
--					 BGMAC_RX_BUF_SIZE,
--					 DMA_FROM_DEVICE);
-+		dma_unmap_single(dma_dev, slot->dma_addr,
-+				 BGMAC_RX_BUF_SIZE,
-+				 DMA_FROM_DEVICE);
- 		put_page(virt_to_head_page(slot->buf));
-+		slot->dma_addr = 0;
- 	}
- }
-