linux-kernel - Re: [PATCH v2 09/19] genirq: Add a new function to get IPI reverse mapping

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Message-ID: <alpine.DEB.2.11.1511301139500.3572@nanos>
Date:	Mon, 30 Nov 2015 11:40:46 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Qais Yousef <qais.yousef@...tec.com>
cc:	linux-kernel@...r.kernel.org, jason@...edaemon.net,
	marc.zyngier@....com, jiang.liu@...ux.intel.com,
	ralf@...ux-mips.org, linux-mips@...ux-mips.org
Subject: Re: [PATCH v2 09/19] genirq: Add a new function to get IPI reverse
 mapping

On Fri, 27 Nov 2015, Qais Yousef wrote:
> 
> While trying to get my remoteproc driver work with this I uncovered a problem
> with this approach.
> 
> mips-gic doesn't store the actual hwirq in the irq_data. It uses
> GIC_SHARED_TO_HWIRQ() and GIC_HWIRQ_TO_SHARED() to add and remove an offset.

Why can't MIPS store the real hwirq number in irq_data?
 
Thanks,

	tglx
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