From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: Graeme Gregory <graeme-/SyDAi3Rz4f10XsdtD+oqA@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Samuel Ortiz <sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Ian Campbell
<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
J Keerthy <j-keerthy-l0cyMroinI0@public.gmane.org>,
Ian Lartey <ian-kDsPt+C1G03kYMGBc/C6ZA@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH V2 1/3] dt: palmas: support IRQ inversion at the board level
Date: Tue, 4 Mar 2014 11:50:19 +0800 [thread overview]
Message-ID: <20140304035019.GZ2411@sirena.org.uk> (raw)
In-Reply-To: <5314B0C0.4040008-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
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On Mon, Mar 03, 2014 at 09:41:36AM -0700, Stephen Warren wrote:
> 2) We can go through every single interrupt controller's DT binding and
> driver, and implement (document and parse) the new IRQ specifier flag
> there, and pass it throgh the Linux IRQ stack, yet we still need code in
> every IC driver to actually read the flag, so we haven't removed any
> code. It seems /much/ simpler, and no more of a maintenance or
> consistency burden, to just have the IC driver read the flag directly
> from their own DT.
Why does this have to be handled by the chip drivers? Can't the
interrupt controller configured in a way that the chip drivers never
need to see it at all, for example by adding a "override the mode for
this input" flag inside the device?
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prev parent reply other threads:[~2014-03-04 3:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-27 20:51 [PATCH V2 1/3] dt: palmas: support IRQ inversion at the board level Stephen Warren
[not found] ` <1393534281-30759-1-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-02-27 20:51 ` [PATCH V2 2/3] mfd: " Stephen Warren
2014-02-27 20:51 ` [PATCH V2 3/3] ARM: tegra: fix Dalmore PMIC IRQ polarity Stephen Warren
2014-02-27 21:02 ` [PATCH V2 1/3] dt: palmas: support IRQ inversion at the board level Graeme Gregory
2014-02-27 21:35 ` Stephen Warren
[not found] ` <530FAFAE.5050800-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-02-28 5:58 ` Mark Brown
[not found] ` <20140228055818.GA29849-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-02-28 16:34 ` Stephen Warren
[not found] ` <5310BA99.4050203-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-03-01 3:13 ` Mark Brown
2014-03-03 0:52 ` Graeme Gregory
2014-03-03 16:41 ` Stephen Warren
[not found] ` <5314B0C0.4040008-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-03-04 3:50 ` Mark Brown [this message]
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