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authorAleksander Jan Bajkowski <olek2@wp.pl>2021-05-22 20:07:56 +0200
committerHauke Mehrtens <hauke@hauke-m.de>2022-01-08 19:32:45 +0100
commit46468fc9d5d95279ab0b70914ae85a31a0a5efd6 (patch)
tree3c05b85064604615f197d34529754649c4d42c13 /target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch
parenta372946e6080b253f42ab1d3af97f4929c269ed9 (diff)
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lantiq: replace patches with version accepted upstream
Replace recently added patches with version accepted upstream. Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Diffstat (limited to 'target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch')
-rw-r--r--target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch73
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch b/target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch
new file mode 100644
index 0000000000..0b68179a48
--- /dev/null
+++ b/target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch
@@ -0,0 +1,73 @@
+From 7e553c44f09a8f536090904c6db5b8c9dbafa03b Mon Sep 17 00:00:00 2001
+From: Aleksander Jan Bajkowski <olek2@wp.pl>
+Date: Tue, 26 Oct 2021 22:59:01 +0200
+Subject: [PATCH] net: lantiq_xrx200: Hardcode the burst length value
+
+All SoCs with this IP core support 8 burst length. Hauke
+suggested to hardcode this value and simplify the driver.
+
+Link: https://lkml.org/lkml/2021/9/14/1533
+Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/ethernet/lantiq_xrx200.c | 21 ++++-----------------
+ 1 file changed, 4 insertions(+), 17 deletions(-)
+
+--- a/drivers/net/ethernet/lantiq_xrx200.c
++++ b/drivers/net/ethernet/lantiq_xrx200.c
+@@ -23,6 +23,7 @@
+ #define XRX200_DMA_DATA_LEN 0x600
+ #define XRX200_DMA_RX 0
+ #define XRX200_DMA_TX 1
++#define XRX200_DMA_BURST_LEN 8
+
+ /* cpu port mac */
+ #define PMAC_RX_IPG 0x0024
+@@ -71,9 +72,6 @@ struct xrx200_priv {
+ struct net_device *net_dev;
+ struct device *dev;
+
+- int tx_burst_len;
+- int rx_burst_len;
+-
+ __iomem void *pmac_reg;
+ };
+
+@@ -320,7 +318,7 @@ static netdev_tx_t xrx200_start_xmit(str
+ goto err_drop;
+
+ /* dma needs to start on a burst length value aligned address */
+- byte_offset = mapping % (priv->tx_burst_len * 4);
++ byte_offset = mapping % (XRX200_DMA_BURST_LEN * 4);
+
+ desc->addr = mapping - byte_offset;
+ /* Make sure the address is written before we give it to HW */
+@@ -372,7 +370,8 @@ static int xrx200_dma_init(struct xrx200
+ int ret = 0;
+ int i;
+
+- ltq_dma_init_port(DMA_PORT_ETOP, priv->tx_burst_len, rx_burst_len);
++ ltq_dma_init_port(DMA_PORT_ETOP, XRX200_DMA_BURST_LEN,
++ XRX200_DMA_BURST_LEN);
+
+ ch_rx->dma.nr = XRX200_DMA_RX;
+ ch_rx->dma.dev = priv->dev;
+@@ -490,18 +489,6 @@ static int xrx200_probe(struct platform_
+ if (err)
+ eth_hw_addr_random(net_dev);
+
+- err = device_property_read_u32(dev, "lantiq,tx-burst-length", &priv->tx_burst_len);
+- if (err < 0) {
+- dev_err(dev, "unable to read tx-burst-length property\n");
+- return err;
+- }
+-
+- err = device_property_read_u32(dev, "lantiq,rx-burst-length", &priv->rx_burst_len);
+- if (err < 0) {
+- dev_err(dev, "unable to read rx-burst-length property\n");
+- return err;
+- }
+-
+ /* bring up the dma engine and IP core */
+ err = xrx200_dma_init(priv);
+ if (err)