WiFi/BT is not needed for booting and the SDIO device doesn't response with the error:
ERROR: sdhci-bcmstb [email protected]: SDHCI_INT_ERROR: 0x000c8001 ERROR: sdhci-bcmstb [email protected]: ============ SDHCI REGISTER DUMP =========== ERROR: sdhci-bcmstb [email protected]: Sys addr: 0x00000000 | Version: 0x00001002 ERROR: sdhci-bcmstb [email protected]: Blk size: 0x00000000 | Blk cnt: 0x00000000 ERROR: sdhci-bcmstb [email protected]: Argument: 0x00000000 | Trn mode: 0x00000000 ERROR: sdhci-bcmstb [email protected]: Present: 0x000f0000 | Host ctl: 0x00000000 ERROR: sdhci-bcmstb [email protected]: Power: 0x0000000f | Blk gap: 0x00000080 ERROR: sdhci-bcmstb [email protected]: Wake-up: 0x00000000 | Clock: 0x0000fa07 ERROR: sdhci-bcmstb [email protected]: Timeout: 0x0000000e | Int stat: 0x000c8001 ERROR: sdhci-bcmstb [email protected]: Int enab: 0x077f003f | Sig enab: 0x00000000 ERROR: sdhci-bcmstb [email protected]: ACmd stat: 0x00000000 | Slot int: 0x00000000 ERROR: sdhci-bcmstb [email protected]: Caps: 0x55eec832 | Caps_1: 0x8000a527 ERROR: sdhci-bcmstb [email protected]: Cmd: 0x0000371a | Max curr: 0x00080008 ERROR: sdhci-bcmstb [email protected]: Resp[0]: 0x00000000 | Resp[1]: 0x00000000 ERROR: sdhci-bcmstb [email protected]: Resp[2]: 0x00000000 | Resp[3]: 0x00000000 ERROR: sdhci-bcmstb [email protected]: Host ctl2: 0x00000000 Therefore disable it. Signed-off-by: Andrei Lalaev <[email protected]> --- arch/arm/dts/bcm2712-rpi.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/dts/bcm2712-rpi.dtsi b/arch/arm/dts/bcm2712-rpi.dtsi index e58138512194..1ee16ba527f1 100644 --- a/arch/arm/dts/bcm2712-rpi.dtsi +++ b/arch/arm/dts/bcm2712-rpi.dtsi @@ -7,3 +7,8 @@ / { &clk_uart { clock-frequency = <44236800>; }; + +/* WiFi SDIO */ +&sdio2 { + status = "disabled"; +}; -- 2.55.0
