Openwrt/target/linux/bcm53xx/patches-5.4/700-b53-add-hacky-CPU-port-fixes-for-devices-not-using-p.patch
Petr Štetiar e5aa498acb kernel: bump 5.4 to 5.4.45
Fixes CVE-2020-10757 via upstream commit df4988aa1c96 ("mm: Fix mremap
not considering huge pmd devmap").

Resolved merge conflict in the following patches:

 bcm27xx: 950-0128-gpiolib-Don-t-prevent-IRQ-usage-of-output-GPIOs.patch

Refreshed patches, removed upstreamed patch:

 generic: 751-v5.8-net-dsa-mt7530-set-CPU-port-to-fallback-mode.patch
 generic: 754-v5.7-net-dsa-mt7530-fix-roaming-from-DSA-user-ports.patch

Run tested: qemu-x86-64
Build tested: x86/64, imx6, sunxi/a53

Signed-off-by: Petr Štetiar <ynezz@true.cz>
2020-06-09 16:59:33 +02:00

53 lines
1.6 KiB
Diff

From 4abdde3ad6bc0b3b157c4bf6ec0bf139d11d07e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Wed, 13 May 2015 14:13:28 +0200
Subject: [PATCH] b53: add hacky CPU port fixes for devices not using port 5
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/net/phy/b53/b53_common.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/net/phy/b53/b53_common.c
+++ b/drivers/net/phy/b53/b53_common.c
@@ -28,6 +28,7 @@
#include <linux/of.h>
#include <linux/of_net.h>
#include <linux/platform_data/b53.h>
+#include <linux/of.h>
#include "b53_regs.h"
#include "b53_priv.h"
@@ -1587,6 +1588,28 @@ static int b53_switch_init(struct b53_de
return ret;
}
+ /* Set correct CPU port */
+ if (of_machine_is_compatible("asus,rt-ac87u"))
+ sw_dev->cpu_port = 7;
+ else if (of_machine_is_compatible("netgear,r7900"))
+ sw_dev->cpu_port = 8;
+ else if (of_machine_is_compatible("netgear,r8000"))
+ sw_dev->cpu_port = 8;
+ else if (of_machine_is_compatible("netgear,r8500"))
+ sw_dev->cpu_port = 8;
+
+ /* Enable extra ports */
+ if (of_machine_is_compatible("tenda,ac9"))
+ dev->enabled_ports |= BIT(5);
+
+ /*
+ * Workaround for devices using port 8 (connected to the 3rd iface).
+ * For some reason it doesn't work (no packets on eth2).
+ */
+ if (of_machine_is_compatible("netgear,r7900") ||
+ of_machine_is_compatible("netgear,r8000"))
+ sw_dev->cpu_port = 5;
+
dev->enabled_ports |= BIT(sw_dev->cpu_port);
sw_dev->ports = fls(dev->enabled_ports);