diff options
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.patch | 73 |
1 files changed, 0 insertions, 73 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 deleted file mode 100644 index 7448af8c26..0000000000 --- a/target/linux/lantiq/patches-5.10/0711-v5.16-net-lantiq_xrx200-Hardcode-the-burst-length-value.patch +++ /dev/null @@ -1,73 +0,0 @@ -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 -@@ -25,6 +25,7 @@ - #define XRX200_DMA_DATA_LEN (SZ_64K - 1) - #define XRX200_DMA_RX 0 - #define XRX200_DMA_TX 1 -+#define XRX200_DMA_BURST_LEN 8 - - #define XRX200_DMA_PACKET_COMPLETE 0 - #define XRX200_DMA_PACKET_IN_PROGRESS 1 -@@ -81,9 +82,6 @@ struct xrx200_priv { - struct net_device *net_dev; - struct device *dev; - -- int tx_burst_len; -- int rx_burst_len; -- - __iomem void *pmac_reg; - }; - -@@ -367,7 +365,7 @@ 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 */ -@@ -468,7 +466,8 @@ 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; -@@ -587,18 +586,6 @@ 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) |