From: Andrew Jeffery <andrew@aj.id.au>
To: Patrick Venture <venture@google.com>
Cc: "Oskar Senft" <osk@google.com>, "Lei YU" <mine260309@gmail.com>,
"OpenBMC Maillist" <openbmc@lists.ozlabs.org>,
張漢彬 <henbinchang@gmail.com>
Subject: Re: UART Route setting
Date: Sat, 04 Aug 2018 07:33:33 +0930 [thread overview]
Message-ID: <1533333813.4174910.1462882280.737C2773@webmail.messagingengine.com> (raw)
In-Reply-To: <CAO=noty1A+n+u8JsQyc0iDDze-D5aDMcweBQFvd3qONOg21Hxw@mail.gmail.com>
On Sat, 4 Aug 2018, at 00:29, Patrick Venture wrote:
> On Wed, Aug 1, 2018 at 8:33 PM, Andrew Jeffery <andrew@aj.id.au> wrote:
> > On Thu, 2 Aug 2018, at 12:50, Oskar Senft wrote:
> >> Interesting suggestion, that looks promising, thank you?
> >>
> >> What's the state of that driver? I.e. where do we expect it to land?
> >
> > If you think the bmc-misc-ctrl series is useful, please reply to the
> > upstream thread to outline all of your use-cases. There's a lot of push-
> > back on using the devicetree to describe these features, and I haven't
> > had a lot of feedback on the acceptability of the rest (driver itself,
> > userspace ABI).
> >
> > The more evidence we have of this being necessary/useful the better.
>
> I just skimmed that message, and we're looking for a mechanism to set
> in the kernel some bits in the hwstrapping and other hardware
> registers to do things like restrict P2A ranges, disable lpc2ahb
> stuff, etc. Things we had hacked into the mach-aspeed.c (iirc), and I
> wasn't sure it made sense to write a half dozen small drivers to
> control these individual things -- would these kind of use cases fall
> under this misc driver?
Yes, everything you listed there was a strong motivation for the series.
Cheers
Andrew
next prev parent reply other threads:[~2018-08-03 22:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-01 7:11 UART Route setting Henbin Chang
[not found] ` <CAO=notxVZowBBB4DSVYZv5MdC+H1CZ01r+DCPbZeYAJdqjAcug@mail.gmail.com>
2018-08-01 16:16 ` Oskar Senft
2018-08-02 0:30 ` Henbin Chang
2018-08-02 1:02 ` Oskar Senft
2018-08-02 1:18 ` Andrew Jeffery
2018-08-02 1:55 ` Oskar Senft
2018-08-02 2:11 ` Lei YU
2018-08-02 3:20 ` Oskar Senft
2018-08-02 3:33 ` Andrew Jeffery
2018-08-02 15:00 ` Avi Fishman
2018-08-02 18:11 ` Oskar Senft
2018-08-03 14:59 ` Patrick Venture
2018-08-03 22:03 ` Andrew Jeffery [this message]
2018-08-06 16:47 ` Patrick Venture
2018-08-06 21:45 ` Kun Yi
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