linux-kernel - Re: [PATCH] mmc: dw_mmc: Don't allow Runtime PM for SDIO cards

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Message-ID: <20170419175504.GA91276@google.com>
Date:   Wed, 19 Apr 2017 10:55:05 -0700
From:   Brian Norris <briannorris@...omium.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Douglas Anderson <dianders@...omium.org>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Heiko Stuebner <heiko@...ech.de>, kevin@...hlinuxarm.org,
        Alexandru Stan <amstan@...omium.org>,
        Ziyuan Xu <xzy.xu@...k-chips.com>,
        "# 4.0+" <stable@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mmc: dw_mmc: Don't allow Runtime PM for SDIO cards

I'm a little late as this already landed (and I trusted Doug was
handling this just fine), but anyway:

On Tue, Apr 18, 2017 at 09:15:29PM +0200, Ulf Hansson wrote:
> Thanks, applied for fixes!

Yes, thanks :)

FWIW:

Tested-by: Brian Norris <briannorris@...omium.org>

Also, for some reason the eMMC crashes are now harder to reproduce.
Perhaps I was just (un)lucky the first few times I tested. Maybe it's an
existing issue and hasn't gotten much worse, except for possibly the
additional churn that runtime PM gives it.

But the SDIO/Wifi issues were definitely the primary thing that prompted
my original report, so I'm much happier now.

Brian