kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 72 deletions

diff --git a/target/linux/generic/pending-5.4/770-00-net-ethernet-mtk_eth_soc-use-napi_consume_skb.patch b/target/linux/generic/pending-5.4/770-00-net-ethernet-mtk_eth_soc-use-napi_consume_skb.patch
deleted file mode 100644
index 2f0c7934f5..0000000000
--- a/target/linux/generic/pending-5.4/770-00-net-ethernet-mtk_eth_soc-use-napi_consume_skb.patch
+++ /dev/null
@@ -1,72 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Mon, 8 Jun 2020 17:01:12 +0200
-Subject: [PATCH] net: ethernet: mtk_eth_soc: use napi_consume_skb
-
-Should improve performance, since it can use bulk free
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-@@ -874,7 +874,8 @@ static int txd_to_idx(struct mtk_tx_ring
- 	return ((void *)dma - (void *)ring->dma) / sizeof(*dma);
- }
- 
--static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf)
-+static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf,
-+			 bool napi)
- {
- 	if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) {
- 		if (tx_buf->flags & MTK_TX_FLAGS_SINGLE0) {
-@@ -906,8 +907,12 @@ static void mtk_tx_unmap(struct mtk_eth
- 
- 	tx_buf->flags = 0;
- 	if (tx_buf->skb &&
--	    (tx_buf->skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC))
--		dev_kfree_skb_any(tx_buf->skb);
-+	    (tx_buf->skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC)) {
-+		if (napi)
-+			napi_consume_skb(tx_buf->skb, napi);
-+		else
-+			dev_kfree_skb_any(tx_buf->skb);
-+	}
- 	tx_buf->skb = NULL;
- }
- 
-@@ -1085,7 +1090,7 @@ err_dma:
- 		tx_buf = mtk_desc_to_tx_buf(ring, itxd);
- 
- 		/* unmap dma */
--		mtk_tx_unmap(eth, tx_buf);
-+		mtk_tx_unmap(eth, tx_buf, false);
- 
- 		itxd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU;
- 		if (!MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA))
-@@ -1403,7 +1408,7 @@ static int mtk_poll_tx_qdma(struct mtk_e
- 			done[mac]++;
- 			budget--;
- 		}
--		mtk_tx_unmap(eth, tx_buf);
-+		mtk_tx_unmap(eth, tx_buf, true);
- 
- 		ring->last_free = desc;
- 		atomic_inc(&ring->free_count);
-@@ -1440,7 +1445,7 @@ static int mtk_poll_tx_pdma(struct mtk_e
- 			budget--;
- 		}
- 
--		mtk_tx_unmap(eth, tx_buf);
-+		mtk_tx_unmap(eth, tx_buf, true);
- 
- 		desc = &ring->dma[cpu];
- 		ring->last_free = desc;
-@@ -1642,7 +1647,7 @@ static void mtk_tx_clean(struct mtk_eth
- 
- 	if (ring->buf) {
- 		for (i = 0; i < MTK_DMA_SIZE; i++)
--			mtk_tx_unmap(eth, &ring->buf[i]);
-+			mtk_tx_unmap(eth, &ring->buf[i], false);
- 		kfree(ring->buf);
- 		ring->buf = NULL;
- 	}