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Message-ID: <f2d334c3-cce1-09c8-8585-f1e668b8d24e@broadcom.com>
Date:   Thu, 24 Nov 2022 12:07:18 +0100
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Subject: Re: AP6275 / bcm43752 pcie on mainline brcmf
To:     Andy Green <andy@warmcat.com>, Shengyu Qu <wiagn233@outlook.com>
Cc:     franky.lin@broadcom.com, linux-wireless@vger.kernel.org
References: <TY3P286MB26114DD461F50814980453E598029@TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM>
 <08416710-655a-c87c-a599-3fe2563f7de4@warmcat.com>
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 <bea00730-5411-a3c4-0ead-bb73889c25f6@warmcat.com>
 <6774d660-eb2e-50be-0024-8faf9b3d4c4e@broadcom.com>
 <48b3ca0a-c7a8-d5ee-796c-a239a8ca5a41@warmcat.com>
From:   Arend van Spriel <arend.vanspriel@broadcom.com>
In-Reply-To: <48b3ca0a-c7a8-d5ee-796c-a239a8ca5a41@warmcat.com>
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On 11/24/2022 12:04 PM, Andy Green wrote:
> 
> 
> On 11/24/22 10:49, Arend van Spriel wrote:
>> On 11/24/2022 11:20 AM, Andy Green wrote:
> 
>>>> Thanks for the log. Together with the dhd driver sources I could 
>>>> make some sense of it. Perhaps you can try the following hack and 
>>>> see if we make it over the first hurdle.
>>>
>>> Thanks, I tried it, but although it looks necessary, there's 
>>> evidently something else since the result was the same.
>>>
>>>> +
>>>> +    entropy_info.signture = cpu_to_le32(BRCMF_SEED_SIGNATURE);
>>>
>>> This should be ... .signature = ...
>>
>> That's what you get if you get too confident... :-(
> 
> Just mention it in case anyone following along at home with the patches.
> 
>>> I added a log showing it sending the entropy bytes.
>>
>> Ok. Something is off there. Maybe I tried to be to smart. How does 
>> that log statement look which you added?
> 
> It's inline with the other logs, it seems to be coming before the actual 
> NVRAM download part
> 
>  >> [    3.694272] brcmfmac: Download NVRAM brcm/fw_bcm43752a2_pcie.txt
>  >> [    3.694895] brcmfmac: brcmf_pcie_write_entropy_bytes: written 6040
>  >> entropy bytes

Sorry. I meant how the source code look like. There should be 128 bytes 
written. 6040 is length of nvram so I am a bit confused.

Regards,
Arend

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