linux-kernel - Re: [PATCH 0/3] irqchip: orion: bridge irq fixes for v3.14-rc1

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Date:	Thu, 6 Feb 2014 13:05:06 -0500
From:	Jason Cooper <jason@...edaemon.net>
To:	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
Cc:	Andrew Lunn <andrew@...n.ch>, linux-kernel@...r.kernel.org,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-arm-kernel@...ts.infradead.org,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Subject: Re: [PATCH 0/3] irqchip: orion: bridge irq fixes for v3.14-rc1

On Thu, Feb 06, 2014 at 02:10:40PM -0300, Ezequiel Garcia wrote:
> On Tue, Feb 04, 2014 at 11:54:15PM -0500, Jason Cooper wrote:
> > On Thu, Jan 23, 2014 at 11:38:03PM +0100, Sebastian Hesselbarth wrote:
> > > This is a small patch set to fix some shortcomings how Orion bridge
> > > irqs are handled. The patches are based on v3.13-rc8 and should go
> > > into v3.14. They can possibly also marked for -stable down to v3.10.
> > > 
> > > This patches are the result of a discussion about a stale watchdog irq,
> > > that can accidentially trigger the watchdog's irq handler and cause a
> > > reset [1].
> > > 
> > > The first patch will add a write to clear already pending interrupts
> > > on init. The second patch replaces handle_level_irq with handle_edge_irq
> > > which is more appropriate for bridge irqs which are edge-triggered.
> > > The last patch finally, fixes stale interrupts by installing an
> > > .irq_enable callback, that will clear a possible pending interrupt
> > > before unmasking it.
> > > 
> > > [1] http://www.spinics.net/lists/arm-kernel/msg302106.html
> > > 
> > > Sebastian Hesselbarth (3):
> > >   irqchip: orion: clear bridge cause register on init
> > >   irqchip: orion: use handle_edge_irq on bridge irqs
> > >   irqchip: orion: clear stale interrupts in irq_enable
> > > 
> > >  drivers/irqchip/irq-orion.c | 18 ++++++++++++++++--
> > >  1 file changed, 16 insertions(+), 2 deletions(-)
> > 
> > Whole series applied to mvebu-next/irqchip-fixes (v2 for 3/3).  Once I
> > see that the outstanding pull requests for mvebu/irqchip have been
> > merged into mainline, I'll be changing the name of this branch to
> > mvebu/irqchip-fixes.  I just don't want to upset the applecart atm.
> > 
> > Oh yeah, Cc'd for stable back to v3.10.
> > 
> 
> If you want to pick this:
> 
> Tested-by: Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>

Added, thanks for testing!

thx,

Jason.
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