[REGRESSION][BISECTED] wifi broken on pinebook pro

[Thorsten Leemhuis]

[top-posting to facilitate processing]

Peter, Heiko, what's the deal here? This looks stalled. Is temporarily
reverting an option, or would that cause regressions for other users
that already benefit from the change that is causing the problem?

Ciao, Thorsten

On 12/29/25 07:23, Peter Robinson wrote:
> On Wed, 17 Dec 2025 at 11:26, Jan Palus <jpalus at fastmail.com> wrote:
>>
>> WiFi no longer works on Pinebook Pro after upgrade to kernel 6.18. It
>> appears firmware fails to load:
>>
>> ...
>> mmc_host mmc0: card is non-removable.
>> mmc_host mmc0: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
>> Bluetooth: hci0: BCM: features 0x0f
>> Bluetooth: hci0: BCM4345C5 Ampak_CL1 UART 37.4 MHz BT 5.0 [Version: Version: 0039.0089]
>> Bluetooth: hci0: BCM4345C5 (003.006.006) build 0089
>> mmc_host mmc0: Bus speed (slot 0) = 148500000Hz (slot req 150000000Hz, actual 148500000HZ div = 0)
>> dwmmc_rockchip fe310000.mmc: Successfully tuned phase to 55
>> mmc0: new UHS-I speed SDR104 SDIO card at address 0001
>> brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43456-sdio for chip BCM4345/9
>> usbcore: registered new interface driver brcmfmac
>> brcmfmac mmc0:0001:1: Direct firmware load for brcm/brcmfmac43456-sdio.pine64,pinebook-pro.bin failed with error -2
>> brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
>> ieee80211 phy0: brcmf_bus_started: failed: -110
>> ieee80211 phy0: brcmf_attach: dongle is not responding: err=-110
>> brcmfmac: brcmf_sdio_firmware_callback: brcmf_attach failed
>>
>> compared to 6.17 instead of last 4 lines with errors there's single one
>> with info about loaded firmware:
>>
>> brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/9 wl0: May 14 2020 17:26:08 version 7.84.17.1 (r871554) FWID 01-3d9e1d87
>>
>> Bisected to:
>>
>> 6d54d935062e2d4a7d3f779ceb9eeff108d0535d is the first new commit
>> commit 6d54d935062e2d4a7d3f779ceb9eeff108d0535d (HEAD)
>> Author: Peter Robinson <pbrobinson at gmail.com>
>> Date:   Wed Aug 27 16:30:37 2025
>>
>>     arm64: dts: rockchip: Further describe the WiFi for the Pinebook Pro
>>
>>     Update the wake-up pin and associated interupt details for the
>>     Pinebook Pro WiFi module.
>>
>>     Signed-off-by: Peter Robinson <pbrobinson at gmail.com>
>>     Link: https://lore.kernel.org/r/20250827143040.1644867-1-pbrobinson@gmail.com
>>     Signed-off-by: Heiko Stuebner <heiko at sntech.de>
>>
>>  arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts | 18 ++++++++++++++++++
>>  1 file changed, 18 insertions(+)
>>
>>
>> With this commit reverted on top of 6.18.1 wireless connection works
>> fine.
>>
>> Not sure what could be relevant but:
>> - it's an early model, I think second batch, delivered end of 2019
> 
> Is it the Synoptics or the Cypress/Infineon module? What firmware are you using?
> 
>> - mainline uboot 2025.10 is used
>>
>>
>> #regzbot introduced: 6d54d93506
> 
>