linux-kernel - Re: [PATCH 4/7] dt-bindings: gnss: add u-blox binding

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-next>] [day] [month] [year] [list]

Message-ID: <20180503205037.7be552c1@aktux>
Date:   Thu, 3 May 2018 20:50:37 +0200
From:   Andreas Kemnade <andreas@...nade.info>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Johan Hovold <johan@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Arnd Bergmann <arnd@...db.de>, Pavel Machek <pavel@....cz>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH 4/7] dt-bindings: gnss: add u-blox binding

On Thu, 3 May 2018 11:35:21 +0200
H. Nikolaus Schaller <hns@...delico.com> wrote:


> I have realized that the w2sg0004 is an exception (although a Sirf chip)
> that it does not provide a WAKEUP signal. And another significant
> difference is that we have to keep the serdev UART enabled even if there
> is no user-space client. Otherwise we are not able to detect unexpected
> activity. So we unfortunately can't move serdev open/close into the .open
> and .close ops but need to open it in probe.
> 
how much power does it use to keep the uart enabled? Or should it
better be reprogrammed as gpio?

Regards,
Andreas

Content of type "application/pgp-signature" skipped