linux-kernel - Re: [EXT] Re: [PATCH v2] mmc: core: add mmc-card hardware reset enable support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 20 Jun 2017 18:10:53 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Richard Leitner <richard.leitner@...data.com>
Cc:     "Luca Porzio (lporzio)" <lporzio@...ron.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Bart Van Assche <bart.vanassche@...disk.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Richard Leitner <dev@...l1n.net>
Subject: Re: [EXT] Re: [PATCH v2] mmc: core: add mmc-card hardware reset
 enable support

On Tue, Jun 20, 2017 at 12:24 PM, Richard Leitner
<richard.leitner@...data.com> wrote:

> Should we then add a warning/info message to the kernel if we have a
> reset gpio configured in the DT, but the eMMC hasn't this OTP bit set?

That makes a lot of sense. Because the situation is ambigous.
We provide the hardware to reset the card, but the card says it
does not accept a reset.

Yours,
Linus Walleij