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Re: [RFC/PATCH] mwifiex: Driver - Firmware Glitches

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On Thu, Apr 16, 2015 at 11:10:02AM +0200, Florian Achleitner wrote:
> Is the necessity of frequent hardware resets a commonly known issue
> with this chip/firmware? Anybody else experiencing these?

Yes, but how frequent?

> Currently, we see three different scenarios. One of them is
> currently not answered by reset. Refer to the upcoming patch.
> 
> (1)  mwifiex_cmd_timeout_func: Timeout cmd .. Ok, after reset.

See this a lot during heavy testing.

> (2)  Firmware wakeup failed.. Ok, after reset.

Never see this.

> (3) DNLD_CMD: host to card failed. No reset triggered. See patch.

Very rarely see this.

However, our experience may not be comparable; we are using 8787 with
a 3.5 kernel, because we haven't the resources to use a later kernel
or get backports working.

Also, we use WOL (wake on lan) heavily; frequent automatic suspends,
with a GPIO wakeup in addition to the SDHCI.

-- 
James Cameron
http://quozl.linux.org.au/
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