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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Thu, 29 Oct 2020 20:36:48 +0200
Message-ID: <CAHp75VfUv6cD8BKxircd7dU-5p7Q6JL1dVz5X=0SC-Y4pqYhjA@mail.gmail.com>
Subject: Re: [PATCH 1/3] mwifiex: disable ps_mode explicitly by default instead
To:     Brian Norris <briannorris@chromium.org>
Cc:     Tsuchiya Yuto <kitakar@gmail.com>,
        Amitkumar Karwar <amitkarwar@gmail.com>,
        Ganapathi Bhat <ganapathi.bhat@nxp.com>,
        Xinming Hu <huxinming820@gmail.com>,
        Kalle Valo <kvalo@codeaurora.org>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        linux-wireless <linux-wireless@vger.kernel.org>,
        "<netdev@vger.kernel.org>" <netdev@vger.kernel.org>,
        Linux Kernel <linux-kernel@vger.kernel.org>,
        Maximilian Luz <luzmaximilian@gmail.com>,
        Andy Shevchenko <andriy.shevchenko@intel.com>, verdre@v0yd.nl
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On Thu, Oct 29, 2020 at 8:29 PM Brian Norris <briannorris@chromium.org> wrote:
> On Wed, Oct 28, 2020 at 7:04 PM Tsuchiya Yuto <kitakar@gmail.com> wrote:

...

> For the record, Chrome OS supports plenty of mwifiex systems with 8897
> (SDIO only) and 8997 (PCIe), with PS enabled, and you're hurting
> those. Your problem sounds to be exclusively a problem with the PCIe
> 8897 firmware.

And this feeling (that it's a FW issue) what I have. But the problem
here, that Marvell didn't fix and probably won't fix their FW...

Just wondering if Google (and MS in their turn) use different
firmwares to what we have available in Linux.

-- 
With Best Regards,
Andy Shevchenko