linux-kernel - Re: [PATCH v5 06/27] irq_domain/powerpc: eliminate irq_map; use irq_alloc

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Date:	Tue, 03 Apr 2012 07:20:00 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Andreas Schwab <schwab@...ux-m68k.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	LKML <linux-kernel@...r.kernel.org>,
	linuxppc-dev@...ts.ozlabs.org, devicetree-discuss@...ts.ozlabs.org,
	LAK <linux-arm-kernel@...ts.infradead.org>,
	Milton Miller <miltonm@....com>,
	Rob Herring <rob.herring@...xeda.com>,
	Russell King <rmk+kernel@....linux.org.uk>
Subject: Re: [PATCH v5 06/27] irq_domain/powerpc: eliminate irq_map; use
 irq_alloc_desc() instead

On Mon, 2012-04-02 at 22:52 +0200, Thomas Gleixner wrote:
> > When I revert a09b659cd68c10ec6a30cb91ebd2c327fcd5bfe5 ("genirq: Fix
> > long-term regression in genirq irq_set_irq_type() handling") on top
> of
> > 3.4-rc1 the sata irq errors disappear, but I see a lot of spurious
> 
> Hmm. Which irq chip is handling the interrupt for that sata irq ?

MPIC. The irq is a PCI IRQ, and so should be level-low, it should have
been mapped by the PCI code using the of_* calls.

Cheers,
Ben.


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