From: Simon Horman <horms@verge.net.au>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] ARM: shmobile: irqpin: fix handling of spurious interrupts in DT case
Date: Thu, 28 Mar 2013 05:30:45 +0000 [thread overview]
Message-ID: <20130328053044.GA25938@verge.net.au> (raw)
In-Reply-To: <20130327104747.GE3040@verge.net.au>
On Wed, Mar 27, 2013 at 07:47:47PM +0900, Simon Horman wrote:
> On Thu, Mar 21, 2013 at 05:05:36PM +0100, Guennadi Liakhovetski wrote:
> > To disable spurious interrupts, that get triggered on certain hardware, the
> > irqpin driver masks them on the parent interrupt controller. To specify
> > such broken devices a .control_parent parameter can be provided in the
> > platform data. In the DT case we need a property, to do the same. However,
> > this is not enough to correctly handle spurious interrupts in the DT case.
> > In the non-DT case all interrupts get mapped statically during probing,
> > therefore, if a spurious interrupt arrives, it can easily be mapped back
> > to hardware registers and bits and handled. In the DT case interrupts are
> > mapped only when a device, using that interrupt is instantiated from DT.
> > So, spurious interrupts occur unmapped and thus cannot be handled properly.
> > This patch fixes this by mapping such interrupts as they occur.
> >
> > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
>
> Thanks, queued up for v3.10 in the intc-external-irq branch of the renesas tree.
As requested by Magnus I have dropped this patch.
next prev parent reply other threads:[~2013-03-28 5:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-21 16:05 [PATCH 0/3] ARM: shmobile: kzm9g: add irqpin to DT Guennadi Liakhovetski
2013-03-21 16:05 ` [PATCH 1/3] ARM: shmobile: irqpin: fix handling of spurious interrupts in DT case Guennadi Liakhovetski
2013-03-27 10:47 ` Simon Horman
2013-03-28 5:30 ` Simon Horman [this message]
2013-05-14 22:07 ` Laurent Pinchart
2013-03-21 16:05 ` [PATCH 2/3] ARM: shmobile: sh73a0: add irqpin DT nodes Guennadi Liakhovetski
2013-03-27 10:47 ` Simon Horman
2013-03-21 16:05 ` [PATCH 3/3] ARM: shmobile: kzm9g-reference: add ethernet support Guennadi Liakhovetski
2013-03-27 10:47 ` Simon Horman
2013-03-27 5:59 ` [PATCH 0/3] ARM: shmobile: kzm9g: add irqpin to DT Simon Horman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130328053044.GA25938@verge.net.au \
--to=horms@verge.net.au \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox