openwrt/target/linux/bcm27xx/patches-5.10/950-0098-lan78xx-use-default-alignment-for-rx-buffers.patch
Álvaro Fernández Rojas 8299d1f057 bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-08-21 19:07:07 +02:00

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Diff

From 4c5342c2a4e2d7fe05d16795e308221b786e862e 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
@@ -3161,7 +3161,7 @@ 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;