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Re: brcmfmac driver does not work with a BCM4335 WiFi module

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On Wed, Nov 6, 2013 at 4:30 PM, Arend van Spriel <arend@xxxxxxxxxxxx> wrote:
> On 11/05/2013 10:26 AM, Dong Aisheng wrote:
>>
>> On Tue, Nov 5, 2013 at 4:57 PM, Dong Aisheng <dongas86@xxxxxxxxx> wrote:
>>>
>>> On Tue, Nov 5, 2013 at 4:36 PM, Arend van Spriel <arend@xxxxxxxxxxxx>
>>> wrote:
>>>>
>>>> On 11/05/2013 03:51 AM, Dong Aisheng wrote:
>>>>>
>>>>>
>>>>> On Mon, Nov 4, 2013 at 5:44 PM, Arend van Spriel <arend@xxxxxxxxxxxx>
>>>>> wrote:
>>>>>>
>>>>>>
>>>>>> On 11/04/2013 09:13 AM, Dong Aisheng wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Hi Arend,
>>>>>>>
>>>>>>> On Mon, Nov 4, 2013 at 11:44 AM, Dong Aisheng <dongas86@xxxxxxxxx>
>>>>>>> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Hi Arend,
>>>>>>>>
>>>>>>>> On Fri, Nov 1, 2013 at 9:25 PM, Arend van Spriel
>>>>>>>> <arend@xxxxxxxxxxxx>
>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On 11/01/2013 01:21 PM, Dong Aisheng wrote:
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hi Arend,
>>>>>>>>>>
>>>>>>>>>> On Fri, Nov 1, 2013 at 6:35 PM, Arend van Spriel
>>>>>>>>>> <arend@xxxxxxxxxxxx>
>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On 11/01/2013 07:22 AM, Dong Aisheng wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Hi ALL,
>>>>>>>>>>>>
>>>>>>>>>>>> I'm verifying BCM4335 WiFi module on i.MX6SL EVK board.
>>>>>>>>>>>> The kernel i ran is latest from:
>>>>>>>>>>>>
>>>>>>>>>>>> git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git
>>>>>>>>>>>>
>>>>>>>>>>>> The firmware is used is from:
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
>>>>>>>>>>>>
>>>>>>>>>>>> NVRAM file is got from the vendor which should work for the
>>>>>>>>>>>> module.
>>>>>>>>>>>>
>>>>>>>>>>>> But i ran into the following issues, hope somebody can give me
>>>>>>>>>>>> some
>>>>>>>>>>>> hints.
>>>>>>>>>>>>
>>>>>>>>>>>> First, i met error when module is auto loaded, but seems the
>>>>>>>>>>>> driver
>>>>>>>>>>>> is
>>>>>>>>>>>> still loaded successfully since i found the new WiFi interface
>>>>>>>>>>>> with
>>>>>>>>>>>> ifconfig.
>>>>>>>>>>>> But it can not work after run rfkill unblock wlan and a lot
>>>>>>>>>>>> error
>>>>>>>>>>>> messages comes out.
>>>>>>>>>>>>
>>>>>>>>>>>> I'm wondering if this driver can support bcm4335 well, can
>>>>>>>>>>>> anybody
>>>>>>>>>>>> provide some help?
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> I can try. I have used the bcm4335 with a SDIO3.0 controller on a
>>>>>>>>>>> x86
>>>>>>>>>>> PC.
>>>>>>>>>>> Looking at an issue right now, but your log does not show that so
>>>>>>>>>>> you
>>>>>>>>>>> have a
>>>>>>>>>>> different issue. Could you load the module with parameter
>>>>>>>>>>> 'debug=0x146'.
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Thanks for the help.
>>>>>>>>>> So that means the brcmfmac driver should support bcm4335 module
>>>>>>>>>> well,
>>>>>>>>>> right?
>>>>>>>>>> The difference is that i'm using a ARM platform.
>>>>>>>>>> Below is log with 'debug=0x146'.
>>>>>>>>>> It only includes driver probe log.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> That log actually looks fine. Just not sure why software rfkill was
>>>>>>>>> enabled.
>>>>>>>>> Is that still the case? What distro is running on your platform?
>>>>>>>>>
>>>>>>>>
>>>>>>>> Do you  mean the error message during probe is also fine?
>>>>>>>> root@imx6slevk:~# mmc0: queuing unknown CIS tuple 0x91 (3 bytes)
>>>>>>>> mmc0: new high speed SDIO card at address 0001
>>>>>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err:
>>>>>>>> 0xffffffac
>>>>>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err:
>>>>>>>> 0xffffffac
>>>>>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err:
>>>>>>>> 0xffffffac
>>>>>>>> brcmfmac: brcmf_sdio_regrw_helper: failed with -84     <--- error
>>>>>>>> message
>>>>>>>> brcmfmac: brcmf_sdio_chip_
>>>>>>>> drivestrengthinit: No SDIO Drive strength
>>>>>>>> init done for chip 4335 rev 1 pmurev 18
>>>>>>>> brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Mar 24 2013
>>>>>>>> 20:36:01 version 6.30.171.24.20 (B0 Station/P2P)
>>>>>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-23              <----
>>>>>>>> error
>>>>>>>> message
>>>>>>>>
>>>>>>>> I'm using yocto rootfs, seems rfkill is always enabled by default.
>>>>>>>> I could try another rootfs without rfkill.
>>>>>>>> But i don't think rfkill should block WiFi driver to work properly.
>>>>>>>>
>>>>>>>
>>>>>>> I tried another rootfs without rfkill, met the same issue when doing
>>>>>>> ifconfig wlan0 up, just like 'rfkill unblock wlan'.
>>>>>>>
>>>>>>> root@freescale ~$ mmc0: mmc_rescan_try_freq: trying to init card at
>>>>>>> 400000
>>>>>>> Hz
>>>>>>> mmc0: queuing unknown CIS tuple 0x91 (3 bytes)
>>>>>>> mmc0: new high speed SDIO card at address 0001
>>>>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err:
>>>>>>> 0xffffffac
>>>>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err:
>>>>>>> 0xffffffac
>>>>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err:
>>>>>>> 0xffffffac
>>>>>>> brcmfmac: brcmf_sdio_regrw_helper: failed with -84
>>>>>>> brcmfmac: brcmf_sdio_chip_drivestrengthinit: No SDIO Drive strength
>>>>>>> init done for chip 4335 rev 1 pmurev 18
>>>>>>> brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Mar 24 2013
>>>>>>> 20:36:01 version 6.30.171.24.20 (B0 Station/P2P)
>>>>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-23
>>>>>>>
>>>>>>> root@freescale ~$
>>>>>>> root@freescale ~$
>>>>>>> root@freescale ~$ ifconfig -a
>>>>>>> ......
>>>>>>>
>>>>>>> wlan0     Link encap:Ethernet  HWaddr 00:90:4C:C5:12:38
>>>>>>>              BROADCAST MULTICAST  MTU:1500  Metric:1
>>>>>>>              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>>>>>>>              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>>>>>>>              collisions:0 txqueuelen:1000
>>>>>>>              RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>>>>>>>
>>>>>>> root@freescale ~$ ifconfig wlan0 up
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout
>>>>>>> brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists
>>>>>>> brcmfmac: brcmf_add_if: ignore IF event
>>>>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-110
>>>>>>>
>>>>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-23
>>>>>>> root@freescale ~$
>>>>>>> root@freescale ~$
>>>>>>> root@freescale ~$ brcmfmac: brcmf_sdioh_request_byte: Failed to write
>>>>>>> byte F1:@0x1001f=01, Err: -110
>>>>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte
>>>>>>> F1:@0x1001f=ff, Err: -110
>>>>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte
>>>>>>> F1:@0x1001f=ff, Err: -110
>>>>>>>
>>>>>>> root@freescale ~$ brcmfmac: brcmf_sdioh_request_byte: Failed to write
>>>>>>> byte F1:@0x1001f=01, Err: -110
>>>>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte
>>>>>>> F1:@0x1001f=ff, Err: -110
>>>>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte
>>>>>>> F1:@0x1001f=ff, Err: -110
>>>>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to write byte
>>>>>>> F1:@0x1001f=01, Err: -110
>>>>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte
>>>>>>> F1:@0x1001f=ff, Err: -110
>>>>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte
>>>>>>> F1:@0x1001f=ff, Err: -110
>>>>>>>
>>>>>>> I looked into a bit more about the error and found there's CMD
>>>>>>> timeout
>>>>>>> on the bus during SDIO
>>>>>>> command transfer.
>>>>>>> ---------------------------------------
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 20 00 df ff 19 00 00 0c 00 35 00 00
>>>>>>> ........5..
>>>>>>> brcmfmac: brcmf_sdbrcm_read_control Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> mmc0: starting CMD52 arg 92001400 flags 00000195
>>>>>>> sdhci [sdhci_irq()]: *** mmc0 got interrupt: 0x00010000
>>>>>>> mmc0: req done (CMD52): -110: 00000000 00000000 00000000 00000000
>>>>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to write byte
>>>>>>> F1:@0x1000a=00, Err: -110
>>>>>>> ------------------------------------------
>>>>>>> I'm not sure how this happened, whether caused by host side or wifi
>>>>>>> driver
>>>>>>> side.
>>>>>>> But for the host, i tried this host driver with another WiFi
>>>>>>> card(Atheros AR6103) with same kernel,
>>>>>>> and it worked well. So the host driver seems more like ok to me.
>>>>>>>
>>>>>>> Since i'm not familar with the WiFi driver, i wonder if you could
>>>>>>> provide suggestion
>>>>>>> from WiFi driver layer to see what the issue could be.
>>>>>>>
>>>>>>> Below is the detailed log when run 'ifconfig wlan0 up'
>>>>>>>
>>>>>>> root@freescale ~$ ifconfig wlan0 up
>>>>>>> brcmfmac: brcmf_netdev_open Enter, idx=0
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmutil: TxHdr:
>>>>>>> 00000000: 2f 00 d0 ff 10 00 00 14 00 00 00 00 00 00 00 00
>>>>>>> /...............
>>>>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>>>>>>> brcmfmac: brcmf_sdbrcm_isr Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>>>>>>>
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>>>>>>> brcmfmac: brcmf_sdbrcm_isr Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdio_readframes Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_checkdied firmware not built with -assert
>>>>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-110
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 27 00 d8 ff 12 00 00 0c 00 26 00 00
>>>>>>> '........&..
>>>>>>> brcmfmac: brcmf_sdbrcm_read_control Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmutil: TxHdr:
>>>>>>> 00000000: 28 00 d7 ff 11 00 00 14 00 00 00 00 00 00 00 00
>>>>>>> (...............
>>>>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>>>>>>> brcmfmac: brcmf_sdbrcm_isr Enter
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00
>>>>>>> ............
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>>>>>>> brcmfmac: brcmf_sdbrcm_isr Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmfmac: brcmf_sdio_readframes Enter
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 20 00 df ff 13 00 00 0c 00 32 00 00
>>>>>>> ........2..
>>>>>>> brcmfmac: brcmf_sdbrcm_read_control Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmutil: TxHdr:
>>>>>>> 00000000: 28 00 d7 ff 12 00 00 14 00 00 00 00 00 00 00 00
>>>>>>> (...............
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 10 00 ef ff 14 83 0f 0c 00 32 00 00
>>>>>>> .........2..
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_fws_hdrpull enter: ifidx 0, skblen 88, sig 8
>>>>>>> brcmfmac: brcmf_fws_hdrpull tlv type=TRANS_ID (18), len=6 (6)
>>>>>>> brcmfmac: brcmf_fws_hdrpull enter: ifidx 0, skblen 87, sig 8
>>>>>>> brcmfmac: brcmf_fws_hdrpull tlv type=TRANS_ID (18), len=6 (6)
>>>>>>> brcmfmac: brcmf_fws_notify_credit_map enter: credits
>>>>>>> 09:27:12:09:09:02
>>>>>>> brcmfmac: brcmf_add_if Enter, idx=0, ifidx=0
>>>>>>> brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists
>>>>>>> brcmfmac: brcmf_add_if: ignore IF event
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 20 00 df ff 17 00 00 0c 00 33 00 00
>>>>>>> ........3..
>>>>>>> brcmfmac: brcmf_sdbrcm_read_control Enter
>>>>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>>>>>>> brcmfmac: brcmf_sdbrcm_isr Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmutil: TxHdr:
>>>>>>> 00000000: 28 00 d7 ff 13 00 00 14 00 00 00 00 00 00 00 00
>>>>>>> (...............
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00
>>>>>>> ............
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdio_readframes Enter
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 20 00 df ff 18 00 00 0c 00 34 00 00
>>>>>>> ........4..
>>>>>>> brcmfmac: brcmf_sdbrcm_read_control Enter
>>>>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>>>>>>> brcmfmac: brcmf_sdbrcm_isr Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmutil: TxHdr:
>>>>>>> 00000000: 28 00 d7 ff 14 00 00 14 00 00 00 00 00 00 00 00
>>>>>>> (...............
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00
>>>>>>> ............
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdio_readframes Enter
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00
>>>>>>> ............
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>>>>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>>>>>>> brcmfmac: brcmf_sdbrcm_isr Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdio_readframes Enter
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 20 00 df ff 19 00 00 0c 00 35 00 00
>>>>>>> ........5..
>>>>>>> brcmfmac: brcmf_sdbrcm_read_control Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmutil: TxHdr:
>>>>>>> 00000000: 28 00 d7 ff 15 00 00 14 00 00 00 00 00 00 00 00
>>>>>>> (...............
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00
>>>>>>> ............
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_dpc Enter
>>>>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>>>>>>> brcmfmac: brcmf_sdbrcm_isr Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>>>>>> brcmfmac: brcmf_sdio_readframes Enter
>>>>>>> brcmutil: RxHdr:
>>>>>>> 00000000: 20 00 df ff 1a 00 00 0c 00 36 00 00
>>>>>>> ........6..
>>>>>>> brcmfmac: brcmf_sdbrcm_read_control Enter
>>>>>>> brcmfmac: brcmf_config_dongle power save set to enabled
>>>>>>> brcmfmac: brcmf_dongle_roam Internal Roaming = On
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> It seem this is the last command being sent. Could you provide file
>>>>>> contents
>>>>>> in /sys/kernel/debug/brcmfmac/mmc*/
>>>>>>
>>>>>> Not sure if Yocto mounts debugfs on /sys/kernel/debug. Otherwise you
>>>>>> can
>>>>>> do:
>>>>>>
>>>>>> # mkdir /tmp/debugfs
>>>>>> # mount -t debugfs none /tmp/debugfs
>>>>>>
>>>>>
>>>>> Please see below:
>>>>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# ls
>>>>> counters  forensics  fws_stats
>>>>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# ls -l
>>>>> total 0
>>>>> -r--r--r-- 1 root root 0 Sep  6 23:21 counters
>>>>> -r--r--r-- 1 root root 0 Sep  6 23:21 forensics
>>>>> -r--r--r-- 1 root root 0 Sep  6 23:21 fws_stats
>>>>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# cat counters
>>>>> intrcount:    19
>>>>> lastintrs:    0
>>>>> pollcnt:      0
>>>>> regfails:     0
>>>>> tx_sderrs:    0
>>>>> fcqueued:     0
>>>>> rxrtx:        0
>>>>> rx_toolong:   0
>>>>> rxc_errors:   0
>>>>> rx_hdrfail:   0
>>>>> rx_badhdr:    0
>>>>> rx_badseq:    0
>>>>> fc_rcvd:      0
>>>>> fc_xoff:      0
>>>>> fc_xon:       0
>>>>> rxglomfail:   0
>>>>> rxglomframes: 0
>>>>> rxglompkts:   0
>>>>> f2rxhdrs:     36
>>>>> f2rxdata:     3
>>>>> f2txdata:     0
>>>>> f1regdata:    42
>>>>> tickcnt:      53
>>>>> tx_ctlerrs:   0
>>>>> tx_ctlpkts:   17
>>>>> rx_ctlerrs:   0
>>>>> rx_ctlpkts:   17
>>>>> rx_readahead: 0
>>>>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# cat forensics
>>>>>
>>>>> RTE (USB-SDIO-CDC) 6.30.171.24.20 (B0 Station/P2P) on BCM4335 r1 @
>>>>> 37.4/161.3/161.3MHz
>>>>> 000000.011 sdpcmdcdc0: Broadcom SDPCMD CDC driver
>>>>> 000000.018 reclaim section 0: Returned 42772 bytes to the heap
>>>>> 000000.061 wl0: Broadcom BCM4335 802.11 Wireless Controller
>>>>> 6.30.171.24.20 (B0 Station/P2P)
>>>>> 000000.070 reclaim section 1: Returned 62128 bytes to the heap
>>>>> 000000.209 wl0: wlc_enable_probe_req: state down, deferring setting of
>>>>> host flags
>>>>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# ring setting of
>>>>> host flags
>>>>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# cat fws_stats
>>>>> header_pulls:      0
>>>>> header_only_pkt:   0
>>>>> tlv_parse_failed:  0
>>>>> tlv_invalid_type:  0
>>>>> mac_update_fails:  0
>>>>> ps_update_fails:   0
>>>>> if_update_fails:   0
>>>>> pkt2bus:           0
>>>>> generic_error:     0
>>>>> rollback_success:  0
>>>>> rollback_failed:   0
>>>>> delayq_full:       0
>>>>> supprq_full:       0
>>>>> txs_indicate:      0
>>>>> txs_discard:       0
>>>>> txs_suppr_core:    0
>>>>> txs_suppr_ps:      0
>>>>> txs_tossed:        0
>>>>> txs_host_tossed:   0
>>>>> bus_flow_block:    0
>>>>> fws_flow_block:    0
>>>>> send_pkts:         BK:0 BE:0 VO:0 VI:0 BCMC:0
>>>>> requested_sent:    BK:0 BE:0 VO:0 VI:0 BCMC:0
>>>>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1#
>>>>
>>>>
>>>>
>>>> Nothing exciting there either. Let's take a step back. The rfkill seems
>>>> an
>>>> issue, but I first would like to know if you can get connectivity. Does
>>>> the
>>>> 'ifconfig wlan0 up' complete at all and is it successful.
>>>>
>>>
>>> The second rootfs i tried does not have rfkill.
>>> But shows the similar issue with 'ifconfig wlan0 up'.
>>>
>>>> As you noticed during the up sequence there is a timeout. I would like
>>>> to
>>>> know what command that is. Could you run it again with debug=1546?
>>>>
>>>
>>> Will run the test now.
>>> Thanks for the help.
>>>
>>
>> Please see blow log:
>> Note: there's no rfkill in this rootfs.
>>
>> root@freescale ~$ ifconfgi  ig wlan0
>> brcmfmac: brcmf_netdev_get_stats Enter, idx=0
>> wlan0     Link encap:Ethernet  HWaddr 00:90:4C:C5:12:38
>>            BROADCAST MULTICAST  MTU:1500  Metric:1
>>            RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>>            TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>>            collisions:0 txqueuelen:1000
>>            RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>>
>> root@freescale ~$ ifconfig wlan0 up
>> brcmfmac: brcmf_netdev_open Enter, idx=0
>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmutil: TxHdr:
>> 00000000: 2f 00 d0 ff 10 00 00 14 00 00 00 00 00 00 00 00
>> /...............
>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>> brcmfmac: brcmf_sdbrcm_isr Enter
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>>
>> <--------- I noticed a few seconds stall here
>>
>> brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>> brcmfmac: brcmf_sdbrcm_isr Enter
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdio_readframes Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_checkdied firmware not built with -assert
>> brcmfmac: brcmf_fil_cmd_data: Failed err=-110
>> brcmfmac: brcmf_fil_iovar_data_get name=toe_ol, len=4
>> brcmutil: data
>> 00000000: 28 aa 49 80                                      (.I.
>>
>> brcmutil: RxHdr:
>> 00000000: 27 00 d8 ff 12 00 00 0c 00 26 00 00              '........&..
>> brcmfmac: brcmf_sdbrcm_read_control Enter
>> brcmfmac: brcmf_fil_cmd_int_set cmd=2, value=0
>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmutil: TxHdr:
>> 00000000: 28 00 d7 ff 11 00 00 14 00 00 00 00 00 00 00 00
>> (...............
>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>> brcmfmac: brcmf_sdbrcm_isr Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmutil: RxHdr:
>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00              ............
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>> brcmfmac: brcmf_sdbrcm_isr Enter
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdio_readframes Enter
>> brcmutil: RxHdr:
>> 00000000: 20 00 df ff 13 00 00 0c 00 32 00 00               ........2..
>> brcmfmac: brcmf_sdbrcm_read_control Enter
>>
>> brcmfmac: brcmf_fil_cmd_int_set cmd=185, value=40
>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmutil: TxHdr:
>> 00000000: 28 00 d7 ff 12 00 00 14 00 00 00 00 00 00 00 00
>> (...............
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>> brcmutil: RxHdr:
>> 00000000: 10 00 ef ff 14 83 0f 0c 00 32 00 00              .........2..
>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>> brcmfmac: brcmf_sdbrcm_isr Enter
>> brcmfmac: brcmf_fws_hdrpull enter: ifidx 0, skblen 88, sig 8
>> brcmfmac: brcmf_fws_hdrpull tlv type=TRANS_ID (18), len=6 (6)
>> brcmfmac: brcmf_fws_hdrpull enter: ifidx 0, skblen 87, sig 8
>> brcmfmac: brcmf_fws_hdrpull tlv type=TRANS_ID (18), len=6 (6)
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_fweh_event_worker event FIFO_CREDIT_MAP (74) ifidx 0
>> bsscfg 0 addr 80:80:80:80:80:80
>> brcmfmac: brcmf_fweh_event_worker   version 2 flags 24 status 0 reason 0
>> brcmutil: event payload, len=6
>> 00000000: 09 27 12 09 09 02                                .'....
>> brcmfmac: brcmf_fws_notify_credit_map enter: credits 09:27:12:09:09:02
>> brcmfmac: brcmf_fweh_event_worker event IF (54) ifidx 0 bsscfg 0 addr
>> 00:90:4c:c5:12:38
>> brcmfmac: brcmf_fweh_event_worker   version 2 flags 0 status 0 reason 0
>> brcmutil: event payload, len=5
>> 00000000: 00 01 00 00 00                                   .....
>> brcmfmac: brcmf_fweh_handle_if_event action: 1 idx: 0 bsscfg: 0 flags: 0
>> role: 0
>> brcmfmac: brcmf_fweh_handle_if_event adding wl0 (00:90:4c:c5:12:38)
>> brcmfmac: brcmf_add_if Enter, idx=0, ifidx=0
>> brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists
>> brcmfmac: brcmf_add_if: ignore IF event
>> brcmutil: RxHdr:
>> 00000000: 20 00 df ff 17 00 00 0c 00 33 00 00               ........3..
>> brcmfmac: brcmf_sdbrcm_read_control Enter
>> brcmfmac: brcmf_fil_cmd_int_set cmd=187, value=40
>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmutil: RxHdr:
>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00              ............
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmutil: TxHdr:
>> 00000000: 28 00 d7 ff 13 00 00 14 00 00 00 00 00 00 00 00
>> (...............
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdio_readframes Enter
>> brcmutil: RxHdr:
>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00              ............
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> .......
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>> brcmfmac: brcmf_sdbrcm_isr Enter
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdio_readframes Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_checkdied firmware not built with -assert
>> brcmfmac: brcmf_fil_cmd_data: Failed err=-110
>> brcmfmac: brcmf_dongle_scantime: Scan unassoc time error (-110)
>> brcmutil: RxHdr:
>> 00000000: 20 00 df ff 18 00 00 0c 00 34 00 00               ........4..
>> brcmfmac: brcmf_sdbrcm_read_control Enter
>> brcmfmac: brcmf_fil_cmd_int_set cmd=86, value=2
>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmutil: RxHdr:
>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00              ............
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmutil: TxHdr:
>> 00000000: 28 00 d7 ff 14 00 00 14 00 00 00 00 00 00 00 00
>> (...............
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> .................................
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>> brcmfmac: brcmf_sdbrcm_isr Enter
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdio_readframes Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_checkdied firmware not built with -assert
>> brcmfmac: brcmf_fil_cmd_data: Failed err=-110
>> brcmfmac: brcmf_netdev_open: failed to bring up cfg80211
>> brcmutil: RxHdr:
>> 00000000: 20 00 df ff 19 00 00 0c 00 35 00 00               ........5..
>> brcmfmac: brcmf_sdbrcm_read_control Enter
>> ifconfig: SIOCSIFFLAGS: Operationbrcmfmac: brcmf_sdbrcm_bus_sleep Enter
>>   not permitted
>> root@freescale ~$ brcmfmac: brcmf_sdio_readframes: RXHEADER FAILED: -110
>>
>> brcmfmac: brcmf_sdbrcm_rxfail: abort command, terminate frame, send NAK
>> root@freescale ~$
>> root@freescale ~$ brcmfmac: brcmf_sdioh_request_word: Failed to write
>> word, Err: 0xffffff92
>>
>> root@freescale ~$
>> root@freescale ~$
>> root@freescale ~$ brcmfmac: brcmf_sdioh_request_word: Failed to write
>> word, Err: 0xffffff92
>>
>> root@freescale ~$ brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>> brcmfmac: brcmf_sdbrcm_isr Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE
>> brcmfmac: brcmf_sdio_readframes Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmutil: RxHdr:
>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00              ............
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdioh_request_byte: Failed to write byte
>> F1:@0x1001f=01, Err: -110
>> brcmfmac: brcmf_sdioh_request_byte: Failed to write byte
>> F1:@0x1001f=01, Err: -110
>> brcmfmac: brcmf_sdioh_request_byte: Failed to write byte
>> F1:@0x1001f=01, Err: -110
>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered
>> brcmfmac: brcmf_sdbrcm_isr Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_dpc Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_kso_control Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter
>
>
> One more question. I looked up the board you mentioined. What I found has a
> dedicated SDIO slot for Wifi. Are you using that and do you know if that is
> an SDIO3.0 or not? Earlier in the thread i found this logging:
>

I'm not using that one, i'm using SD1.
All the slots can work on SDIO3.0 mode, the uSDHC IP supports it.

>
>> root@imx6slevk:~# mmc0: queuing unknown CIS tuple 0x91 (3 bytes)
>> mmc0: new high speed SDIO card at address 0001
>
> I think it means it is a SDIO2, but I like to be sure.
>

I manually hack it to work on SDIO2 mode to narrow down the issues.
I guess the card should be capable of working SDIO2.0 mode, right?

Regards
Dong Aisheng

>
> Gr. AvS
>
>> Regards
>> Dong Aisheng
>>
>
>
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