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authorÁlvaro Fernández Rojas <noltari@gmail.com>2020-02-29 09:25:20 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2020-02-29 12:50:51 +0100
commita1383655cfaa71609d6236ae0fcf3b6047462b98 (patch)
treec6f123859e0dfcfaa6c1063eda26f27e208d3cac /target/linux/bcm27xx/patches-5.4/950-0146-lan78xx-use-default-alignment-for-rx-buffers.patch
parenta8aa974a9dfb4cba484dc4c1e4207fd9ec803410 (diff)
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bcm27xx: add linux 5.4 support
Tested on bcm2710 (Raspberry Pi 3B). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0146-lan78xx-use-default-alignment-for-rx-buffers.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0146-lan78xx-use-default-alignment-for-rx-buffers.patch23
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0146-lan78xx-use-default-alignment-for-rx-buffers.patch b/target/linux/bcm27xx/patches-5.4/950-0146-lan78xx-use-default-alignment-for-rx-buffers.patch
new file mode 100644
index 0000000000..8327e4fc31
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0146-lan78xx-use-default-alignment-for-rx-buffers.patch
@@ -0,0 +1,23 @@
+From c4fb99ee7aac2b979f729d4641d0e22fb5c08cc1 Mon Sep 17 00:00:00 2001
+From: P33M <p33m@github.com>
+Date: Thu, 2 May 2019 11:53:45 +0100
+Subject: [PATCH] lan78xx: use default alignment for rx buffers
+
+The lan78xx uses a 12-byte hardware rx header, so there is no need
+to allocate SKBs with NET_IP_ALIGN set. Removes alignment faults
+in both dwc_otg and in ipv6 processing.
+---
+ drivers/net/usb/lan78xx.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/net/usb/lan78xx.c
++++ b/drivers/net/usb/lan78xx.c
+@@ -3239,7 +3239,7 @@ static int rx_submit(struct lan78xx_net
+ size_t size = dev->rx_urb_size;
+ int ret = 0;
+
+- skb = netdev_alloc_skb_ip_align(dev->net, size);
++ skb = netdev_alloc_skb(dev->net, size);
+ if (!skb) {
+ usb_free_urb(urb);
+ return -ENOMEM;