aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/bcm27xx/patches-5.4/950-0207-bcmgenet-constrain-max-DMA-burst-length.patch
blob: 5f683b506bc5cead35e2a1f6213e2f069423eaef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
From f4d211891064eef8b133838c213485a228ad75f3 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 CLEAR_ALL_HFB			0xFF