linux-kernel - RE: [PATCH] staging: fsl-mc: bus: Drop warning

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Message-ID: <HE1PR04MB16417F7234DB62E73DF9EA168D970@HE1PR04MB1641.eurprd04.prod.outlook.com>
Date:	Thu, 14 Apr 2016 22:57:08 +0000
From:	Stuart Yoder <stuart.yoder@....com>
To:	Matthias Brugger <mbrugger@...e.com>,
	"German.Rivera@...escale.com" <German.Rivera@...escale.com>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
CC:	Scott Wood <scott.wood@....com>, "agraf@...e.de" <agraf@...e.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>
Subject: RE: [PATCH] staging: fsl-mc: bus: Drop warning



> -----Original Message-----
> From: Matthias Brugger [mailto:mbrugger@...e.com]
> Sent: Thursday, April 14, 2016 4:24 PM
> To: German.Rivera@...escale.com; gregkh@...uxfoundation.org
> Cc: Stuart Yoder <stuart.yoder@....com>; Scott Wood <scott.wood@....com>; agraf@...e.de; linux-
> kernel@...r.kernel.org; devel@...verdev.osuosl.org; mbrugger@...e.com
> Subject: [PATCH] staging: fsl-mc: bus: Drop warning
> 
> When updating the irq_chip and msi_domain_ops, the code checkes for
> already present functions.
> When more then one ITS controller are present in the system,
> irq_chip and msi_domain_ops got already set and a warning is invoked.

How can this situation happen?  And what do you mean by
multiple ITS controllers? ...multiple instances of the GIC ITS
on an SoC?

Stuart