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Re: Could we have request_firmware_nowait with FW_OPT_NO_WARN?

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On 12-12-2016 9:32, Rafał Miłecki wrote:
> On 12 December 2016 at 09:12, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
>> On Sat, 2016-12-10 at 16:54 +0100, Rafał Miłecki wrote:
>>> In brcmfmac we use request_firmware_nowait and if fetching firmware
>>> with NVRAM variables fails then we try to fallback to the platform
>>> one (see brcmf_fw_request_code_done & brcmf_fw_request_nvram_done).
>>>
>>> Some problem for us is that on devices with platform NVRAM we get
>>> this error:
>>> Direct firmware load for brcm/brcmfmac43602-pcie.txt failed with error -2
>>
>> This also happens with iwlwifi, because it requests multiple firmware
>> versions starting at the most recent supported one (which is often not
>> released at the same time).
> 
> Good to know it may help others as well!
> 
> 
>> So yeah, this would be really useful - why don't you just make a patch
>> with some kind of flags, whether it's FW_OPT_* or new flags?
> 
> OK! If noone will come with any special comments/ideas soon, I'll
> propose a patch for using some flags.
> 
> FWIW, meanwhile I submitted
> [PATCH V2] firmware: simplify defining and handling FW_OPT_FALLBACK
> https://patchwork.kernel.org/patch/9469875/

Similar thread couple of months ago [1]

Regards,
Arend

[1] http://lists.infradead.org/pipermail/ath10k/2016-July/thread.html#8026



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