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sdio wifi module on i.MX8M EVK

Question asked by chunfeng ren on Jul 18, 2018
Latest reply on Jul 25, 2018 by Diego Adrian Cuevas

We are doing sdio brcm4339 chip wifi  test on i.MX8M EVK from NXP,  board is based on android 8.1 from NXP.

wifi driver (bcmdhd.ko) is from android 8.1 kernel. if insmod bcmdhd.ko, MMC code will meet crash.  we don't make any modification to kernel code in android 8.1. could you tell me that  i.MX8M board support sdio wifi?

crash log is below:

Unable to handle kernel NULL pointer dereference at virtual address 0000036c
mpgd = ffff8000294b0000
[0000036c] *pgd=0000000000000000
[Internal error [: Oops: 96000004 [#1] PREEMPT SMP
[Modules linked in : bcmdhd(+) cfg80211
[CPU : 1 PID: 5087 Comm: insmod Tainted: G        W       4.9.78 #1
[Hardware name : Freescale i.MX8MQ EVK (DT)
[task : ffff8000548a4380 task.stack: ffff8000091ec000
PC is at mmc_detect_change+0x14/0x64
LR is at wifi_card_detect+0x38/0x48


detailed log is attached in file below.