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Re: building brcmfmac driver for iMX6 Ultralite platform

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On 1-7-2016 11:07, Rafał Miłecki wrote:
> On 30 June 2016 at 21:24, Michael Eskowitz <MichaelE@xxxxxxxxxxxxxxx> wrote:
>>         insmod  brcmfmac.ko
>> firmware_path=ISM4334X_Wifi_FW_6.10.190.49_P.bin
>> nvram_path=ISM4334X_NVRAM_C1.txt
>>
>> I receive the following errors:
>>
>>         brcmfmac: Unknown symbol brcmu_pktq_mlen (err 0)
>>         brcmfmac: Unknown symbol brcmu_pkt_buf_free_skb (err 0)
>>         brcmfmac: Unknown symbol brcmu_pktq_init (err 0)
>>         brcmfmac: Unknown symbol brcmu_pktq_penq_head (err 0)
>>         brcmfmac: Unknown symbol brcmu_pktq_pdeq (err 0)
>>         brcmfmac: Unknown symbol brcmu_pktq_peek_tail (err 0)
>>         brcmfmac: Unknown symbol brcmu_pktq_flush (err 0)
>>         brcmfmac: Unknown symbol brcmu_pktq_pdeq_match (err 0)
>>         brcmfmac: Unknown symbol brcmu_pktq_mdeq (err 0)
>>         brcmfmac: Unknown symbol brcmu_pktq_penq (err 0)
>>         brcmfmac: Unknown symbol brcmu_pktq_pdeq_tail (err 0)
>>         brcmfmac: Unknown symbol brcmu_pkt_buf_get_skb (err 0)
>>         brcmfmac: Unknown symbol brcmu_d11_attach (err 0)
>>         insmod: ERROR: could not insert module brcmfmac.ko: Unknown symbol
>> in module
>>
>> I'm not sure that the firmware_path and nvram_path should be specified in
>> this manner, but I doubt that is what is causing these errors.
>>
>> The module compiled and built just fine so I am assuming that there are some
>> dependencies that aren't being met.  Is there another module that I need to
>> load before attempting to load the fmac driver?
> 
> If you don't know module dependencies, why not use something that
> handled this for you? Replace insmod with modprobe.

That only works when the modules are in an installed location and depmod
has been used properly, which I doubt is the case in this experiment.

> You can't load brcmfmac.ko without loading brcmutil.ko first.

Indeed.

Regards,
Arend
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