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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: "Jonas Dreßler" <verdre@v0yd.nl>
Cc: "Amitkumar Karwar" <amitkarwar@gmail.com>,
	"Ganapathi Bhat" <ganapathi017@gmail.com>,
	"Xinming Hu" <huxinming820@gmail.com>,
	"Kalle Valo" <kvalo@codeaurora.org>,
	"David S. Miller" <davem@davemloft.net>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Tsuchiya Yuto" <kitakar@gmail.com>,
	"open list:TI WILINK WIRELES..." <linux-wireless@vger.kernel.org>,
	netdev <netdev@vger.kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	linux-pci <linux-pci@vger.kernel.org>,
	"Maximilian Luz" <luzmaximilian@gmail.com>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Pali Rohár" <pali@kernel.org>
Subject: Re: [PATCH 1/2] mwifiex: Use non-posted PCI register writes
Date: Wed, 1 Sep 2021 18:47:46 +0300	[thread overview]
Message-ID: <CAHp75VeKws85JMG_GjYPzgcqu7pGf66bLbUowNi-4z_=uda+HQ@mail.gmail.com> (raw)
In-Reply-To: <7e38931e-2f1c-066e-088e-b27b56c1245c@v0yd.nl>

On Wed, Sep 1, 2021 at 5:02 PM Jonas Dreßler <verdre@v0yd.nl> wrote:
> On 8/30/21 2:49 PM, Andy Shevchenko wrote:
>  > On Mon, Aug 30, 2021 at 3:38 PM Jonas Dreßler <verdre@v0yd.nl> wrote:

...

>  > Thanks for all this work!
>  >
>  > Nevertheless, do we have any commits that may be a good candidate to
>  > be in the Fixes tag here?

> I don't think there's any commit we could point to, given that the bug
> is probably somewhere in the firmware code.

Here (in the commit message)...

>  >> +       /* Do a read-back, which makes the write non-posted,
> ensuring the
>  >> +        * completion before returning.
>  >
>  >> +        * The firmware of the 88W8897 card is buggy and this avoids
> crashes.
>  >
>  > Any firmware version reference? Would be nice to have just for the
>  > sake of record.
>
> Pretty sure the crash is present in every firmware that has been
> released, I've tried most of them. FTR, the current firmware version is
> 15.68.19.p21.

...and here it would be nice to state this version, so in the future
we will have a right landmark.

>  >> +        */

-- 
With Best Regards,
Andy Shevchenko

  reply	other threads:[~2021-09-01 15:48 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-30 12:37 [PATCH 0/2] mwifiex: Work around firmware bugs on 88W8897 chip Jonas Dreßler
2021-08-30 12:37 ` [PATCH 1/2] mwifiex: Use non-posted PCI register writes Jonas Dreßler
2021-08-30 12:49   ` Andy Shevchenko
2021-09-01 14:01     ` Jonas Dreßler
2021-09-01 15:47       ` Andy Shevchenko [this message]
2021-09-01 15:51       ` Pali Rohár
2021-09-01 16:51         ` Heiner Kallweit
2021-09-01 17:07           ` Johannes Berg
2021-09-01 19:07             ` Heiner Kallweit
2021-09-01 22:41             ` Bjorn Helgaas
2021-09-02 14:05               ` Bjorn Helgaas
2021-09-01 19:40   ` Brian Norris
2021-09-01 20:40     ` Andy Shevchenko
2021-09-01 21:04       ` Brian Norris
2021-09-01 21:07         ` Brian Norris
2021-09-18  7:37           ` Jonas Dreßler
2021-09-20 17:48             ` Brian Norris
2021-09-22 12:50               ` Jonas Dreßler
2021-09-23 15:28                 ` Jonas Dreßler
2021-09-23 19:37                   ` Andy Shevchenko
2021-09-23 19:41                   ` Andy Shevchenko
2021-09-23 20:22                     ` Pali Rohár
2021-09-30 15:38                       ` Jonas Dreßler
2021-09-30 15:42                         ` Pali Rohár
2021-09-30 16:14                           ` Jonas Dreßler
2021-09-30 16:19                             ` Pali Rohár
2021-09-30 16:22                               ` Jonas Dreßler
2021-09-30 16:39                                 ` Pali Rohár
2021-08-30 12:37 ` [PATCH 2/2] mwifiex: Try waking the firmware until we get an interrupt Jonas Dreßler
2021-08-30 12:51   ` Andy Shevchenko
2021-08-30 12:55     ` Andy Shevchenko
2021-09-25 17:32 ` [PATCH 0/2] mwifiex: Work around firmware bugs on 88W8897 chip Pali Rohár

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