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Re: [RFC] ath10k: silence firmware file probing warnings

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On Thu, Jul 21, 2016 at 10:09 AM, Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote:
> On Tue, Jul 19, 2016 at 03:00:37PM +0200, Michal Kazior wrote:
>> Firmware files are versioned to prevent older
>> driver instances to load unsupported firmware
>> blobs. This is reflected with a fallback logic
>> which attempts to load several firmware files.
>>
>> This however produced a lot of unnecessary
>> warnings sometimes confusing users and leading
>> them to rename firmware files making things even
>> more confusing.
>
> This happens on kernels configured with
> CONFIG_FW_LOADER_USER_HELPER_FALLBACK and cause not only ugly warnings,
> but also 60 seconds delay before loading next firmware version.
> For some reason RHEL kernel needs above config option, so this
> patch is very welcome from my perspective.
>

Sorry for my ignorance but how does the firmware loading work if not
with udev's help? As you can imagine, iwlwifi is suffering from the
same problem and I would be interested in applying the same change,
but I'd love to understand a bit more :)
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