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lantiq: backport latest upstream patches
Backport patch that fixes memory disclosure in packet padding. The downstream driver supports statistics, so when a packet cannot be padded the statistics of dropped packets are incremented. The other patches do not introduce any functional changes. Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> Link: https://github.com/openwrt/openwrt/pull/16563 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Aleksander Jan Bajkowski
Hauke Mehrtens
parent
04c5c1ff70
commit
5ca8a4a03a
@ -0,0 +1,42 @@
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From 45c0de18ff2dc9af01236380404bbd6a46502c69 Mon Sep 17 00:00:00 2001
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From: Aleksander Jan Bajkowski <olek2@wp.pl>
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Date: Mon, 23 Sep 2024 23:49:49 +0200
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Subject: net: ethernet: lantiq_etop: fix memory disclosure
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When applying padding, the buffer is not zeroed, which results in memory
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disclosure. The mentioned data is observed on the wire. This patch uses
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skb_put_padto() to pad Ethernet frames properly. The mentioned function
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zeroes the expanded buffer.
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In case the packet cannot be padded it is silently dropped. Statistics
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are also not incremented. This driver does not support statistics in the
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old 32-bit format or the new 64-bit format. These will be added in the
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future. In its current form, the patch should be easily backported to
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stable versions.
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Ethernet MACs on Amazon-SE and Danube cannot do padding of the packets
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in hardware, so software padding must be applied.
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Fixes: 504d4721ee8e ("MIPS: Lantiq: Add ethernet driver")
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Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
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Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
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Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
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Link: https://patch.msgid.link/20240923214949.231511-2-olek2@wp.pl
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Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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---
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drivers/net/ethernet/lantiq_etop.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/net/ethernet/lantiq_etop.c
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+++ b/drivers/net/ethernet/lantiq_etop.c
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@@ -482,7 +482,9 @@ ltq_etop_tx(struct sk_buff *skb, struct
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unsigned long flags;
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u32 byte_offset;
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- len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
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+ if (skb_put_padto(skb, ETH_ZLEN))
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+ return NETDEV_TX_OK;
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+ len = skb->len;
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if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) {
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netdev_err(dev, "tx ring full\n");
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@ -0,0 +1,24 @@
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From 1f803c95693f140bed46cd5581b97592e20b723e Mon Sep 17 00:00:00 2001
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From: Aleksander Jan Bajkowski <olek2@wp.pl>
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Date: Thu, 15 Aug 2024 09:49:56 +0200
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Subject: [PATCH] net: ethernet: lantiq_etop: remove unused variable
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Remove a variable that has never been used.
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Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
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Link: https://patch.msgid.link/20240815074956.155224-1-olek2@wp.pl
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/ethernet/lantiq_etop.c | 1 -
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1 file changed, 1 deletion(-)
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--- a/drivers/net/ethernet/lantiq_etop.c
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+++ b/drivers/net/ethernet/lantiq_etop.c
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@@ -95,7 +95,6 @@ struct ltq_etop_priv {
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struct mii_bus *mii_bus;
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struct ltq_etop_chan ch[MAX_DMA_CHAN];
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- int tx_free[MAX_DMA_CHAN >> 1];
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int tx_burst_len;
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int rx_burst_len;
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@ -21,7 +21,7 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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--- a/drivers/net/ethernet/lantiq_etop.c
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+++ b/drivers/net/ethernet/lantiq_etop.c
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@@ -675,7 +675,6 @@ ltq_etop_probe(struct platform_device *p
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@@ -676,7 +676,6 @@ ltq_etop_probe(struct platform_device *p
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err = -ENOMEM;
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goto err_out;
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}
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@ -5,8 +5,8 @@ Subject: [PATCH 28/36] NET: lantiq: various etop fixes
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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drivers/net/ethernet/lantiq_etop.c | 530 ++++++++++++++++++++---------
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1 file changed, 375 insertions(+), 155 deletions(-)
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drivers/net/ethernet/lantiq_etop.c | 534 ++++++++++++++++++++---------
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1 file changed, 379 insertions(+), 155 deletions(-)
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--- a/drivers/net/ethernet/lantiq_etop.c
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+++ b/drivers/net/ethernet/lantiq_etop.c
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@ -153,7 +153,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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struct net_device *netdev;
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struct napi_struct napi;
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struct ltq_dma_channel dma;
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@@ -89,26 +141,39 @@ struct ltq_etop_chan {
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@@ -89,25 +141,39 @@ struct ltq_etop_chan {
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struct ltq_etop_priv {
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struct net_device *netdev;
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struct platform_device *pdev;
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@ -163,7 +163,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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struct mii_bus *mii_bus;
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- struct ltq_etop_chan ch[MAX_DMA_CHAN];
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- int tx_free[MAX_DMA_CHAN >> 1];
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+ struct ltq_etop_chan txch;
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+ struct ltq_etop_chan rxch;
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@ -197,7 +196,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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if (!ch->skb[ch->dma.desc])
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return -ENOMEM;
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ch->dma.desc_base[ch->dma.desc].addr =
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@@ -143,8 +208,11 @@ ltq_etop_hw_receive(struct ltq_etop_chan
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@@ -142,8 +208,11 @@ ltq_etop_hw_receive(struct ltq_etop_chan
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spin_unlock_irqrestore(&priv->lock, flags);
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skb_put(skb, len);
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@ -209,7 +208,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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}
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static int
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@@ -152,7 +220,9 @@ ltq_etop_poll_rx(struct napi_struct *nap
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@@ -151,7 +220,9 @@ ltq_etop_poll_rx(struct napi_struct *nap
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{
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struct ltq_etop_chan *ch = container_of(napi,
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struct ltq_etop_chan, napi);
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@ -219,7 +218,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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while (work_done < budget) {
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struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];
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@@ -164,7 +234,9 @@ ltq_etop_poll_rx(struct napi_struct *nap
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@@ -163,7 +234,9 @@ ltq_etop_poll_rx(struct napi_struct *nap
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}
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if (work_done < budget) {
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napi_complete_done(&ch->napi, work_done);
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@ -229,7 +228,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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}
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return work_done;
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}
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@@ -176,12 +248,14 @@ ltq_etop_poll_tx(struct napi_struct *nap
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@@ -175,12 +248,14 @@ ltq_etop_poll_tx(struct napi_struct *nap
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container_of(napi, struct ltq_etop_chan, napi);
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struct ltq_etop_priv *priv = netdev_priv(ch->netdev);
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struct netdev_queue *txq =
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@ -245,7 +244,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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dev_kfree_skb_any(ch->skb[ch->tx_free]);
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ch->skb[ch->tx_free] = NULL;
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memset(&ch->dma.desc_base[ch->tx_free], 0,
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@@ -194,7 +268,9 @@ ltq_etop_poll_tx(struct napi_struct *nap
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@@ -193,7 +268,9 @@ ltq_etop_poll_tx(struct napi_struct *nap
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if (netif_tx_queue_stopped(txq))
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netif_tx_start_queue(txq);
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napi_complete(&ch->napi);
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@ -255,7 +254,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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return 1;
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}
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@@ -202,9 +278,11 @@ static irqreturn_t
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@@ -201,9 +278,11 @@ static irqreturn_t
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ltq_etop_dma_irq(int irq, void *_priv)
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{
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struct ltq_etop_priv *priv = _priv;
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@ -269,7 +268,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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return IRQ_HANDLED;
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}
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@@ -216,7 +294,7 @@ ltq_etop_free_channel(struct net_device
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@@ -215,7 +294,7 @@ ltq_etop_free_channel(struct net_device
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ltq_dma_free(&ch->dma);
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if (ch->dma.irq)
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free_irq(ch->dma.irq, priv);
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@ -278,7 +277,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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struct ltq_dma_channel *dma = &ch->dma;
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for (dma->desc = 0; dma->desc < LTQ_DESC_NUM; dma->desc++)
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@@ -228,80 +306,137 @@ static void
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@@ -227,80 +306,137 @@ static void
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ltq_etop_hw_exit(struct net_device *dev)
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{
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struct ltq_etop_priv *priv = netdev_priv(dev);
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@ -465,7 +464,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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}
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static void
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@@ -320,6 +455,39 @@ static const struct ethtool_ops ltq_etop
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@@ -319,6 +455,39 @@ static const struct ethtool_ops ltq_etop
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};
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static int
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@ -505,7 +504,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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ltq_etop_mdio_wr(struct mii_bus *bus, int phy_addr, int phy_reg, u16 phy_data)
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{
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u32 val = MDIO_REQUEST |
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@@ -327,9 +495,9 @@ ltq_etop_mdio_wr(struct mii_bus *bus, in
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@@ -326,9 +495,9 @@ ltq_etop_mdio_wr(struct mii_bus *bus, in
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((phy_reg & MDIO_REG_MASK) << MDIO_REG_OFFSET) |
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phy_data;
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@ -517,7 +516,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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return 0;
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}
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@@ -340,12 +508,12 @@ ltq_etop_mdio_rd(struct mii_bus *bus, in
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@@ -339,12 +508,12 @@ ltq_etop_mdio_rd(struct mii_bus *bus, in
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((phy_addr & MDIO_ADDR_MASK) << MDIO_ADDR_OFFSET) |
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((phy_reg & MDIO_REG_MASK) << MDIO_REG_OFFSET);
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@ -534,7 +533,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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return val;
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}
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@@ -361,7 +529,10 @@ ltq_etop_mdio_probe(struct net_device *d
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@@ -360,7 +529,10 @@ ltq_etop_mdio_probe(struct net_device *d
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struct ltq_etop_priv *priv = netdev_priv(dev);
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struct phy_device *phydev;
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@ -546,7 +545,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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if (!phydev) {
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netdev_err(dev, "no PHY found\n");
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@@ -369,14 +540,17 @@ ltq_etop_mdio_probe(struct net_device *d
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@@ -368,14 +540,17 @@ ltq_etop_mdio_probe(struct net_device *d
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}
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phydev = phy_connect(dev, phydev_name(phydev),
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@ -566,7 +565,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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phy_attached_info(phydev);
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@@ -397,8 +571,13 @@ ltq_etop_mdio_init(struct net_device *de
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@@ -396,8 +571,13 @@ ltq_etop_mdio_init(struct net_device *de
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}
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priv->mii_bus->priv = dev;
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@ -582,7 +581,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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priv->mii_bus->name = "ltq_mii";
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snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
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priv->pdev->name, priv->pdev->id);
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@@ -435,18 +614,21 @@ static int
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@@ -434,18 +614,21 @@ static int
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ltq_etop_open(struct net_device *dev)
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{
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struct ltq_etop_priv *priv = netdev_priv(dev);
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@ -614,7 +613,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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netif_tx_start_all_queues(dev);
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return 0;
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}
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@@ -455,18 +637,19 @@ static int
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@@ -454,18 +637,19 @@ static int
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ltq_etop_stop(struct net_device *dev)
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{
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struct ltq_etop_priv *priv = netdev_priv(dev);
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@ -644,7 +643,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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return 0;
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}
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@@ -476,15 +659,16 @@ ltq_etop_tx(struct sk_buff *skb, struct
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@@ -475,17 +659,21 @@ ltq_etop_tx(struct sk_buff *skb, struct
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int queue = skb_get_queue_mapping(skb);
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struct netdev_queue *txq = netdev_get_tx_queue(dev, queue);
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struct ltq_etop_priv *priv = netdev_priv(dev);
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@ -657,7 +656,13 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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u32 byte_offset;
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+ int len;
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len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
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- if (skb_put_padto(skb, ETH_ZLEN))
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+ if (skb_put_padto(skb, ETH_ZLEN)) {
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+ dev->stats.tx_dropped++;
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return NETDEV_TX_OK;
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+ }
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+
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len = skb->len;
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- if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) {
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+ if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) ||
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@ -665,7 +670,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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netdev_err(dev, "tx ring full\n");
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netif_tx_stop_queue(txq);
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return NETDEV_TX_BUSY;
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@@ -492,7 +676,7 @@ ltq_etop_tx(struct sk_buff *skb, struct
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@@ -493,7 +681,7 @@ ltq_etop_tx(struct sk_buff *skb, struct
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/* dma needs to start on a burst length value aligned address */
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byte_offset = CPHYSADDR(skb->data) % (priv->tx_burst_len * 4);
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@ -674,7 +679,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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netif_trans_update(dev);
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@@ -503,11 +687,11 @@ ltq_etop_tx(struct sk_buff *skb, struct
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@@ -504,11 +692,11 @@ ltq_etop_tx(struct sk_buff *skb, struct
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wmb();
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desc->ctl = LTQ_DMA_OWN | LTQ_DMA_SOP | LTQ_DMA_EOP |
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LTQ_DMA_TX_OFFSET(byte_offset) | (len & LTQ_DMA_SIZE_MASK);
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@ -689,7 +694,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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netif_tx_stop_queue(txq);
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return NETDEV_TX_OK;
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@@ -518,11 +702,14 @@ ltq_etop_change_mtu(struct net_device *d
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@@ -519,11 +707,14 @@ ltq_etop_change_mtu(struct net_device *d
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{
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struct ltq_etop_priv *priv = netdev_priv(dev);
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unsigned long flags;
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@ -705,7 +710,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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spin_unlock_irqrestore(&priv->lock, flags);
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return 0;
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@@ -575,6 +762,9 @@ ltq_etop_init(struct net_device *dev)
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@@ -576,6 +767,9 @@ ltq_etop_init(struct net_device *dev)
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if (err)
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goto err_hw;
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ltq_etop_change_mtu(dev, 1500);
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@ -715,7 +720,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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memcpy(&mac, &priv->pldata->mac, sizeof(struct sockaddr));
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if (!is_valid_ether_addr(mac.sa_data)) {
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@@ -592,9 +782,10 @@ ltq_etop_init(struct net_device *dev)
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@@ -593,9 +787,10 @@ ltq_etop_init(struct net_device *dev)
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dev->addr_assign_type = NET_ADDR_RANDOM;
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ltq_etop_set_multicast_list(dev);
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@ -729,7 +734,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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return 0;
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err_netdev:
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@@ -614,6 +805,9 @@ ltq_etop_tx_timeout(struct net_device *d
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@@ -615,6 +810,9 @@ ltq_etop_tx_timeout(struct net_device *d
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err = ltq_etop_hw_init(dev);
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if (err)
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goto err_hw;
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@ -739,7 +744,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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netif_trans_update(dev);
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netif_wake_queue(dev);
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return;
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@@ -637,14 +831,18 @@ static const struct net_device_ops ltq_e
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@@ -638,14 +836,18 @@ static const struct net_device_ops ltq_e
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.ndo_tx_timeout = ltq_etop_tx_timeout,
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};
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@ -762,7 +767,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res) {
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@@ -670,18 +868,54 @@ ltq_etop_probe(struct platform_device *p
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@@ -671,18 +873,54 @@ ltq_etop_probe(struct platform_device *p
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goto err_out;
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}
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@ -823,7 +828,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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spin_lock_init(&priv->lock);
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SET_NETDEV_DEV(dev, &pdev->dev);
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@@ -697,15 +931,10 @@ ltq_etop_probe(struct platform_device *p
|
||||
@@ -698,15 +936,10 @@ ltq_etop_probe(struct platform_device *p
|
||||
goto err_free;
|
||||
}
|
||||
|
||||
@ -843,7 +848,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
|
||||
|
||||
err = register_netdev(dev);
|
||||
if (err)
|
||||
@@ -734,31 +963,22 @@ ltq_etop_remove(struct platform_device *
|
||||
@@ -735,31 +968,22 @@ ltq_etop_remove(struct platform_device *
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
@ -203,7 +203,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
|
||||
+early_param("ethaddr", setup_ethaddr);
|
||||
--- a/drivers/net/ethernet/lantiq_etop.c
|
||||
+++ b/drivers/net/ethernet/lantiq_etop.c
|
||||
@@ -766,7 +766,11 @@ ltq_etop_init(struct net_device *dev)
|
||||
@@ -771,7 +771,11 @@ ltq_etop_init(struct net_device *dev)
|
||||
if (err)
|
||||
goto err_hw;
|
||||
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
From de2cad82c4d0872066f83ce59462603852b47f03 Mon Sep 17 00:00:00 2001
|
||||
From 5af43708d21c30e2f418cb25d337779c56d235f6 Mon Sep 17 00:00:00 2001
|
||||
From: Hauke Mehrtens <hauke@hauke-m.de>
|
||||
Date: Fri, 6 Jan 2017 17:55:24 +0100
|
||||
Subject: [PATCH 2/2] usb: dwc2: add support for other Lantiq SoCs
|
||||
Date: Tue, 9 Jul 2024 00:20:54 +0200
|
||||
Subject: [PATCH] usb: dwc2: add support for other Lantiq SoCs
|
||||
|
||||
The size of the internal RAM of the DesignWare USB controller changed
|
||||
between the different Lantiq SoCs. We have the following sizes:
|
||||
@ -16,10 +16,15 @@ and for the xrx200 and xrx300 SCs a little bit bigger periodic fifo.
|
||||
The auto detection of max_transfer_size and max_packet_count should
|
||||
work, so remove it.
|
||||
|
||||
This patch is included in OpenWrt for many years.
|
||||
|
||||
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
|
||||
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
|
||||
Link: https://lore.kernel.org/r/20240708222054.2727789-1-hauke@hauke-m.de
|
||||
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
||||
---
|
||||
drivers/usb/dwc2/platform.c | 46 ++++++++++++++++++++++++++++++++++++++-------
|
||||
1 file changed, 39 insertions(+), 7 deletions(-)
|
||||
drivers/usb/dwc2/params.c | 30 +++++++++++++++++++++++++-----
|
||||
1 file changed, 25 insertions(+), 5 deletions(-)
|
||||
|
||||
--- a/drivers/usb/dwc2/params.c
|
||||
+++ b/drivers/usb/dwc2/params.c
|
||||
@ -1,17 +1,19 @@
|
||||
From 14909c4e4e836925668e74fc6e0e85ba0283cbf9 Mon Sep 17 00:00:00 2001
|
||||
From 9c7a86c935074525f24cc20e78a7d5150e4600e3 Mon Sep 17 00:00:00 2001
|
||||
From: Hauke Mehrtens <hauke@hauke-m.de>
|
||||
Date: Fri, 6 Jan 2017 17:40:12 +0100
|
||||
Subject: [PATCH 2/2] MIPS: lantiq: improve USB initialization
|
||||
Date: Tue, 9 Jul 2024 00:23:04 +0200
|
||||
Subject: [PATCH] MIPS: lantiq: improve USB initialization
|
||||
|
||||
This adds code to initialize the USB controller and PHY also on Danube,
|
||||
Amazon SE and AR10. This code is based on the Vendor driver from
|
||||
different UGW versions and compared to the hardware documentation.
|
||||
|
||||
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
|
||||
---
|
||||
arch/mips/lantiq/xway/sysctrl.c | 20 +++++++
|
||||
2 files changed, 110 insertions(+), 30 deletions(-)
|
||||
This patch is included in OpenWrt for many years.
|
||||
|
||||
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
|
||||
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
||||
---
|
||||
arch/mips/lantiq/xway/sysctrl.c | 20 ++++++++++++++++++++
|
||||
1 file changed, 20 insertions(+)
|
||||
|
||||
--- a/arch/mips/lantiq/xway/sysctrl.c
|
||||
+++ b/arch/mips/lantiq/xway/sysctrl.c
|
||||
Loading…
Reference in New Issue
Block a user