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domenico
2025-06-24 13:14:22 +02:00
commit 4002f145fc
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target/linux/bcm27xx/patches-5.10/950-0130-bcmgenet-constrain-max-DMA-burst-length.patch Normal file
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@@ -0,0 +1,20 @@
From adfa8e90db935da2b8bdfa9b8e8a3070f6c05818 Mon Sep 17 00:00:00 2001
From: Jonathan Bell <jonathan@raspberrypi.org>
Date: Wed, 12 Sep 2018 14:44:53 +0100
Subject: [PATCH] bcmgenet: constrain max DMA burst length
---
drivers/net/ethernet/broadcom/genet/bcmgenet.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -29,7 +29,7 @@
#define ENET_PAD 8
#define ENET_MAX_MTU_SIZE (ETH_DATA_LEN + ETH_HLEN + VLAN_HLEN + \
ENET_BRCM_TAG_LEN + ETH_FCS_LEN + ENET_PAD)
-#define DMA_MAX_BURST_LENGTH 0x10
+#define DMA_MAX_BURST_LENGTH 0x08
/* misc. configuration */
#define MAX_NUM_OF_FS_RULES 16