dcan0 alias fck already exist
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 35/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- linux
- Domain
- operating-systems
Research direction
Start by reviewing the changes in am335x-bone-common.dtsi and the added dcan0 pinmux under am33xx-pinmux, then reproduce the kernel message platform 481cc000.d_can: alias fck already exists. Determine whether enabling dcan0 alongside I2C2 causes the alias conflict and document the confirmed cause and required configuration.
Written by the indexing model from the issue text.
Description
I want to use dcan0 and followed this lead:
http://www.embedded-things.com/bbb/enable-canbus-on-the-beaglebone-black/#comment-152
To build the latest kernel I followed the instructions on this github page. Further I disabled my i2c2 pinmux by commenting out in am335x-bone-common.dtsi
//pinctrl-0 = <&i2c2_pins>;
And enabled dcan0
&dcan0 {
status = "okay"; // Switch on DCAN0
pinctrl-names = "default"; // Apply default pinmuxing
pinctrl-0 = <&dcan0_pins>;
};
And added pinmux to the am33xx-pinmux
dcan0_pins: pinmux_dcan0_pins {
pinctrl-single,pins = <
0x178 0x12 /* dcan0_tx, SLEWCTRL_FAST | PULLUP | MODE2 /
0x17C 0x32 / dcan0_rx, SLEWCTRL_FAST | INPUT_PULLUP | MODE2 */
>;
};
Unfortunately I get the following message:
platform 481cc000.d_can: alias fck already exists
Is this due to having I2C2 and dcan0 enabled?
- Dominant language
- Shell
- Stars
- 172
- Forks
- 156
- PR merge metrics
- No merged PRs in 30d
Getting set up
This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
More from beagleboard/kernel
-
Difficulty 4/5 3-5 days Newbie friendliness 25/100
beagleboard/kernel#102 · 3 comments ·
-
Difficulty 3/5 1-2 days Newbie friendliness 35/100
beagleboard/kernel#87 · 1 comment ·
-
Difficulty 4/5 3-5 days Newbie friendliness 35/100
beagleboard/kernel#85 · 3 comments ·
-
Difficulty 3/5 1-2 days Newbie friendliness 25/100
beagleboard/kernel#82 ·
-
modprobe g_hid always failsMay be free again @RobertCNelson claimed this 4646 days ago, and no pull request is open. Open
beagleboard/kernel#75 · 2 comments · 1 assignee ·
All issues in beagleboard/kernel
Similar issues
-
omarchy-menu-keybindings lua bind scan spins at 100% CPU when user config iterates a mocked hl APIOpen
Difficulty 2/5 1-3 hours Newbie friendliness 82/100
omacom/omarchy#14302 · 1 comment ·
Maintainers usually reply within 1 day
-
Link Checker ReportPossibly taken @keraron claimed this today. Openautomated issue report
Difficulty 2/5 1-3 hours Newbie friendliness 68/100
a2aproject/A2A#2297 ·
Maintainers usually reply within 1 day
-
Difficulty 1/5 Under an hour Newbie friendliness 88/100
mattpocock/skills#1165 ·
-
agent-research-finding agent-research-recommend chore ready-for-agent
Difficulty 2/5 1-3 hours Newbie friendliness 76/100
jordansmall/spindrift#4487 · 1 comment ·
Maintainers usually reply within 1 day
-
Difficulty 2/5 1-3 hours Newbie friendliness 72/100
bigstack-oss/cubecos#1708 ·
Maintainers usually reply within 1 day