From: Kalle Valo <kvalo@codeaurora.org>
To: <yhchuang@realtek.com>
Cc: <kernel@iuliancostan.com>, <linux-wireless@vger.kernel.org>,
<i@outv.im>, <trevor@shartrec.com>
Subject: Re: [PATCH v1] rtw88: pci: disable aspm for platform inter-op with module parameter
Date: Wed, 15 Jul 2020 09:10:54 +0000 (UTC) [thread overview]
Message-ID: <20200715091054.E08E7C433C9@smtp.codeaurora.org> (raw)
In-Reply-To: <20200605074703.32726-1-yhchuang@realtek.com>
<yhchuang@realtek.com> wrote:
> From: Yan-Hsuan Chuang <yhchuang@realtek.com>
>
> Some platforms cannot read the DBI register successfully for the
> ASPM settings. After the read failed, the bus could be unstable,
> and the device just became unavailable [1]. For those platforms,
> the ASPM should be disabled. But as the ASPM can help the driver
> to save the power consumption in power save mode, the ASPM is still
> needed. So, add a module parameter for them to disable it, then
> the device can still work, while others can benefit from the less
> power consumption that brings by ASPM enabled.
>
> [1] https://bugzilla.kernel.org/show_bug.cgi?id=206411
> [2] Note that my lenovo T430 is the same.
>
> Fixes: 3dff7c6e3749 ("rtw88: allows to enable/disable HCI link PS mechanism")
> Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Patch applied to wireless-drivers-next.git, thanks.
68aa716b7dd3 rtw88: pci: disable aspm for platform inter-op with module parameter
--
https://patchwork.kernel.org/patch/11589181/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
prev parent reply other threads:[~2020-07-15 9:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-05 7:47 [PATCH v1] rtw88: pci: disable aspm for platform inter-op with module parameter yhchuang
2020-06-10 21:37 ` Sebastian Andrzej Siewior
2020-06-16 11:06 ` Tony Chuang
2020-06-16 13:35 ` Sebastian Andrzej Siewior
2020-06-17 5:30 ` Tony Chuang
2020-06-17 7:29 ` Sebastian Andrzej Siewior
2020-07-15 9:00 ` Kalle Valo
2020-07-15 9:31 ` Tony Chuang
2020-06-20 19:53 ` Larry Finger
2020-07-15 9:10 ` Kalle Valo [this message]
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