From: Ben Hutchings <ben@decadent.org.uk>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Intel SCU Linux support <intel-linux-scu@intel.com>,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: [RFC][PATCH linux-firmware] isci: Add firmware blob and sources
Date: Thu, 29 Dec 2011 18:04:50 +0100 [thread overview]
Message-ID: <1325178290.13595.44.camel@deadeye> (raw)
In-Reply-To: <CAA9_cmdSE7njUQgEZkA+WKP=0is3fRiaxCMvPxg7i=vgn1Auuw@mail.gmail.com>
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On Sun, 2011-12-18 at 16:15 -0800, Dan Williams wrote:
> On Sun, Dec 18, 2011 at 1:25 PM, Ben Hutchings <ben@decadent.org.uk> wrote:
> > On Sun, 2011-12-18 at 10:59 -0800, Dan Williams wrote:
> >> On Sat, Dec 17, 2011 at 9:14 AM, Ben Hutchings <ben@decadent.org.uk> wrote:
[...]
> >> > ---
> >> > I'm a bit unclear on the purpose and use of isci_firmware.bin. Is it
> >> > needed for production hardware?
> >>
> >> It's a stop gap for platforms with missing or broken oem parameters.
> >> It is meant to become vestigial once the platform revisions quiet
> >> down.
> >>
> >> > Does it need to be customised
> >> > per-system, or are module parameters sufficient for that? (If not, why
> >> > isn't it built into the driver?)
> >>
> >> It is customized per system to meet EMI and signal integrity targets
> >> of a given platform.
> >
> > Given this, does it make sense to distribute a binary at all?
> >
>
> It defaults to something that is reasonable for a reference platform
> and if you end up needing to customize it is easier to distribute a
> new binary then move all these settings to module parameters. That
> said, the intent was to start using WARN_TAINT_ONCE() if it ever got
> used and phase it out once the platform support stabilized. It was
> certainly convenient to have it in the same tree in the early days of
> the driver. Its use should be waning now.
I have now applied and pushed this addition to linux-firmware.git.
Ben.
--
Ben Hutchings
Design a system any fool can use, and only a fool will want to use it.
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prev parent reply other threads:[~2011-12-29 17:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-17 17:14 [RFC][PATCH linux-firmware] isci: Add firmware blob and sources Ben Hutchings
2011-12-18 18:59 ` Dan Williams
2011-12-18 21:25 ` Ben Hutchings
2011-12-19 0:15 ` Dan Williams
2011-12-29 17:04 ` Ben Hutchings [this message]
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