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New: raspberry pi zero 2 w no Wi-Fi device

Buildroot [email protected] 1 participant 7 messages Apr 17, 2023 – Jun 15, 2024

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#0 lore raw

https://bugs.busybox.net/show_bug.cgi?id=15546

Bug ID: 15546
Summary: raspberry pi zero 2 w no Wi-Fi device
Product: buildroot
Version: unspecified
Hardware: All
OS: Linux
Status: NEW
Severity: minor
Priority: P5
Component: Other
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---

I use raspberry pi zero 2 w. I use master branch Buildroot.
Full steps here https://forums.raspberrypi.com/viewtopic.php?p=2100121#p2100121
Summary my steps:
I add this tree lines in raspberrypizero2w_defconfig BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI=y BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI_BT=y BR2_PACKAGE_BRCMFMAC_SDIO_FIRMWARE_RPI_WIFI=y
And build:
make clean -C buildroot
make -C buildroot raspberrypizero2w_defconfig
make -C buildroot

But there is no Wi-Fi device.
I know how manually enable Wi-Fi in Buildroot for raspberry pi zero 2 w, do:
modprobe brcmfmac
/etc/init.d/S40Network restart

Why Buildroot don't do it by himself?

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#1 lore raw

[Buildroot] [Bug 15546] raspberry pi zero 2 w no Wi-Fi device

https://bugs.busybox.net/show_bug.cgi?id=15546

[email protected] changed:

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           Assignee|[email protected] |[email protected]
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#2 lore raw

[Buildroot] [Bug 15546] raspberry pi zero 2 w no Wi-Fi device

In reply to [email protected]

https://bugs.busybox.net/show_bug.cgi?id=15546

--- Comment #1 from [email protected] ---
Hello,

I have a fix, but I don't have a board to test , could you please test it on yours and tell me if it works ?

https://drive.google.com/drive/folders/1SGZQx2rH06zXhqDeGsUTss_K7h4G2Hbz?usp=sharing

Thanks,
Taieb

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#3 lore raw

[Buildroot] [Bug 15546] raspberry pi zero 2 w no Wi-Fi device

In reply to [email protected]

https://bugs.busybox.net/show_bug.cgi?id=15546

--- Comment #2 from Jose Angel Torres <[email protected]> --- (In reply to cheikh.taib from comment #1)

Hi Taib,
This is a compiled Buildroot image that you have provided thus, asking others to run this image poses a potential security risk for some.
In the future, instead of asking others to test a binary, can you share what you did to resolve the issue so that we can reproduce on our end. Thanks!
Sincerely,
Jose

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#4 lore raw

[Buildroot] [Bug 15546] raspberry pi zero 2 w no Wi-Fi device

In reply to [email protected]

https://bugs.busybox.net/show_bug.cgi?id=15546

--- Comment #3 from Andrei Cherniaev <[email protected]> --- (In reply to cheikh.taib from comment #1)
I try sdcard.img
I boot and ask
uname -a
Linux buildroot 5.10.92-v7 #1 SMP Tue Aug 1 22:21:04 CEST 2023

Let's check our problem
ifconfig -a
says again only one lo device. The same problem, nothing happen. After I do
modprobe brcmfmac
/etc/init.d/S40Network restart
I can see wlan0 device.
P.S. May be this problem because of old kernel?

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#5 lore raw

[Buildroot] [Bug 15546] raspberry pi zero 2 w no Wi-Fi device

In reply to [email protected]

https://bugs.busybox.net/show_bug.cgi?id=15546

--- Comment #4 from Joost Molenaar <[email protected]> ---
I ran into this on a Pi 0 W; the module isn't loaded because there's no udev by default, which creates device files but also loads modules for available hardware. You can enable it under System configuration -> /dev management, I chose 'Dynamic using devtmpfs + mdev', that is, CONFIG_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV=y.

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#6 lore raw

[Buildroot] [Bug 15546] raspberry pi zero 2 w no Wi-Fi device

In reply to [email protected]

https://bugs.busybox.net/show_bug.cgi?id=15546

Yann E. MORIN <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED
                 CC|                            |[email protected]

--- Comment #5 from Yann E. MORIN <[email protected]> --- Thank you for your report.

The issue tracker for the Buildroot project has been moved to the Gitlab.com issue tracker:
https://gitlab.com/buildroot.org/buildroot/-/issues

We are taking this opportunity to close old issues in this old tracker. If you believe your issue is still relevant, please open one in the new issue tracker.

Thank you!

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