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From 60c4e51c67026f8d0dd41dba76f8dc6bd08cc3b5 Mon Sep 17 00:00:00 2001
From: Jonathan Bell <jonathan@raspberrypi.org>
Date: Wed, 12 Sep 2018 14:44:53 +0100
Subject: [PATCH 540/782] 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
@@ -31,7 +31,7 @@
#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 CLEAR_ALL_HFB 0xFF
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