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Wed, 17 Dec 2025 06:26:48 -0500 (EST) Date: Wed, 17 Dec 2025 12:26:46 +0100 From: Jan Palus To: linux-rockchip@lists.infradead.org Cc: Peter Robinson , Heiko Stuebner , regressions@lists.linux.dev Subject: [REGRESSION][BISECTED] wifi broken on pinebook pro Message-ID: Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: NeoMutt/20251211 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 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 Link: https://lore.kernel.org/r/20250827143040.1644867-1-pbrobinson@gmail.com Signed-off-by: Heiko Stuebner 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 - mainline uboot 2025.10 is used #regzbot introduced: 6d54d93506