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From: Jes Sorensen <Jes.Sorensen@redhat.com>
To: Daniel Lenski <dlenski@gmail.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH] rtl8xxxu: increase polling timeout for firmware startup
Date: Fri, 20 May 2016 10:08:30 -0400	[thread overview]
Message-ID: <wrfj4m9svn35.fsf@redhat.com> (raw)
In-Reply-To: <CAOw_LSHnV+244fT7YvEoV+7VSH_+OoGFmZSdGK4a3NqB407VGQ@mail.gmail.com> (Daniel Lenski's message of "Thu, 19 May 2016 21:51:43 -0700")

Daniel Lenski <dlenski@gmail.com> writes:
> You're welcome, and thanks for writing this great driver. It really
> makes a huge difference for stability of the Yoga 13 wifi!

You're welcome! It made a big difference for my own Yoga 13 and it's
been an exciting project. I learned a lot in the process.

> Unfortunately, I ran into a case today where even 5000 loops was not
> enough after a cold boot. 5000 loops meant about 1.5 second delay
> between finishing the firmware checksum poll, while waiting for the
> firmware to start. It now appears to me that the number of required
> polling loops must be strongly bimodal.
>
> I added some logging, so that the driver reports to me the number of
> loops required for the firmware to start.

This is bizarre, I wonder if the hardware is having issues in your
laptop? Another thing to try would be to do an additional reset of the
chip and wait a bit before trying to load the firmware?

Cheers,
Jes

  reply	other threads:[~2016-05-20 14:08 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-18 17:57 [PATCH] rtl8xxxu: increase polling timeout for firmware startup Dan Lenski
2016-05-18 17:57 ` [PATCH] rtl8xxxu: Increase default " Dan Lenski
2016-05-19  2:08 ` [PATCH] rtl8xxxu: increase " Jes Sorensen
2016-05-20  4:51   ` Daniel Lenski
2016-05-20 14:08     ` Jes Sorensen [this message]
2016-05-20 20:50       ` Daniel Lenski
2016-05-20 20:54         ` Daniel Lenski
2016-05-21  3:13           ` Jes Sorensen
2016-05-21  2:40       ` Daniel Lenski
2016-05-22 23:02         ` Dan Lenski
2016-05-23 19:24         ` Jes Sorensen
2016-05-23 21:47           ` Daniel Lenski
2016-05-31 15:04   ` Jes Sorensen
2016-05-31 17:59     ` Daniel Lenski
2016-05-31 18:24       ` Jes Sorensen

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