From 729b4db3697bc113098e009fe637fe62babf22bd Mon Sep 17 00:00:00 2001
From: vanillagorillaa <31773928+vanillagorillaa@users.noreply.github.com>
Date: Wed, 31 Mar 2021 18:40:15 -0700
Subject: [PATCH] Fix linux can-utils bus numbering (#637)

---
 drivers/linux/README.md | 9 +++++++++
 drivers/linux/panda.c   | 4 ++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/linux/README.md b/drivers/linux/README.md
index 81e9552..67fcdb3 100644
--- a/drivers/linux/README.md
+++ b/drivers/linux/README.md
@@ -17,3 +17,12 @@ usage:
 
 You will need to bring it up using `sudo ifconfig can0 up` or
 `sudo ip link set dev can0 up`, depending on your platform.
+
+Note that you may have to setup udev rules for Linux
+``` bash
+sudo tee /etc/udev/rules.d/11-panda.rules <<EOF
+SUBSYSTEM=="usb", ATTRS{idVendor}=="bbaa", ATTRS{idProduct}=="ddcc", MODE="0666"
+SUBSYSTEM=="usb", ATTRS{idVendor}=="bbaa", ATTRS{idProduct}=="ddee", MODE="0666"
+EOF
+sudo udevadm control --reload-rules && sudo udevadm trigger`
+```
diff --git a/drivers/linux/panda.c b/drivers/linux/panda.c
index c0aa44b..c635c3e 100644
--- a/drivers/linux/panda.c
+++ b/drivers/linux/panda.c
@@ -81,8 +81,8 @@ static const struct usb_device_id panda_usb_table[] = {
 MODULE_DEVICE_TABLE(usb, panda_usb_table);
 
 
-// panda:       CAN1 = 0   CAN2 = 1   CAN3 = 4
-const int can_numbering[] = {0,1,4};
+// panda:       CAN1 = 0   CAN2 = 1   CAN3 = 2
+const int can_numbering[] = {0,1,2};
 
 struct panda_inf_priv *
 panda_get_inf_from_bus_id(struct panda_dev_priv *priv_dev, int bus_id){