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From:   Chris Chiu <chris.chiu@canonical.com>
Date:   Tue, 8 Jun 2021 19:16:14 +0800
Message-ID: <CABTNMG2HZD52DmQ8iqC1jqLf6v4QpqCyxOXgjMjzD7rySgGa7A@mail.gmail.com>
Subject: Re: [PATCH v2] misc: rtsx: separate aspm mode into MODE_REG and MODE_CFG
To:     Greg KH <gregkh@linuxfoundation.org>
Cc:     Ricky WU <ricky_wu@realtek.com>, arnd@arndb.de,
        Bjorn Helgaas <bhelgaas@google.com>, ulf.hansson@linaro.org,
        rui_feng@realsil.com.cn, vaibhavgupta40@gmail.com,
        yang.lee@linux.alibaba.com,
        Linux Kernel <linux-kernel@vger.kernel.org>
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On Tue, Jun 8, 2021 at 4:59 PM Greg KH <gregkh@linuxfoundation.org> wrote:
>
> On Tue, Jun 08, 2021 at 11:43:03AM +0800, Chris Chiu wrote:
> > On Mon, Jun 7, 2021 at 6:16 PM <ricky_wu@realtek.com> wrote:
> > >
> > > From: Ricky Wu <ricky_wu@realtek.com>
> > >
> > > aspm (Active State Power Management)
> > > rtsx_comm_set_aspm: this function is for driver to make sure
> > > not enter power saving when processing of init and card_detcct
> > > ASPM_MODE_CFG: 8411 5209 5227 5229 5249 5250
> > > Change back to use original way to control aspm
> > > ASPM_MODE_REG: 5227A 524A 5250A 5260 5261 5228
> > > Keep the new way to control aspm
> > >
> > > Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
> > > ---
> > Reported-by: Chris Chiu <chris.chiu@canonical.com>
>
> Can you test this to verify it works?
>
> thanks,
>
> greg k-h

It's verified and confirmed by the user at comment #17 of
https://bugs.launchpad.net/bugs/1929444.