linux-kernel - Re: Regulator regression in next-20180305

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Message-ID: <CAOMZO5CXy=7ZKVapp_2Q4wq=mY-dJ0owZZN84vqUj1j1xasOKg@mail.gmail.com>
Date:   Mon, 5 Mar 2018 20:22:26 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Maciej Purski <m.purski@...sung.com>,
        linux-omap@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: Regulator regression in next-20180305

Hi Tony,

On Mon, Mar 5, 2018 at 8:12 PM, Tony Lindgren <tony@...mide.com> wrote:
> Hi Mark and Maciej,
>
> Looks like with next-20180305 there's a regulator regression
> where mmc0 won't show any cards or produces errors:
>
> mmcblk0: error -110 requesting status
> mmc1: new high speed SDIO card at address 0001
> mmcblk0: error -110 requesting status
> mmcblk0: recovery failed!
> print_req_error: I/O error, dev mmcblk0, sector 0
> Buffer I/O error on dev mmcblk0, logical block 0, async page read
> mmcblk0: error -110 requesting status
> mmcblk0: recovery failed!
>
> I bisected it down to the following commits:
>
> broken          71c33626a802 ("regulator: core: Change voltage setting path")
> fails to build  a7348f502ab7 ("regulator: core: Add voltage balancing mechanism")
> works           cf6fc8064766 ("regulator: core: Resolve coupled regulators")
>
> Any ideas?

I have also seen regulator issues due to this series:
https://lkml.org/lkml/2018/3/5/731