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Re: [PATCH v2 01/14] irqchip: i8259: Add domain before mapping parent irq

From Thomas Gleixner <tglx@linutronix.de>
Newsgroups linux.kernel
Subject Re: [PATCH v2 01/14] irqchip: i8259: Add domain before mapping parent irq
Date 2016-09-30 20:50 +0200
Message-ID <snb2F-5Ed-9@gated-at.bofh.it> (permalink)
References <sjeit-2pw-3@gated-at.bofh.it> <sjeiu-2pw-29@gated-at.bofh.it> <sn7ip-31c-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, 30 Sep 2016, Paul Burton wrote:

> On Monday, 19 September 2016 22:21:18 BST Paul Burton wrote:
> > Mapping the parent IRQ will use a virq number which may conflict with
> > the hardcoded I8259A_IRQ_BASE..I8259A_IRQ_BASE+15 range that the i8259
> > driver expects to be free. If this occurs then we'll hit errors when
> > adding the i8259 IRQ domain, since one of its virq numbers will already
> > be in use.
> > 
> > Avoid this by adding the i8259 domain before mapping the parent IRQ,
> > such that the i8259 virq numbers become used before the parent interrupt
> > controller gets a chance to use any of them.
> 
> Hello,
> 
> Any chance of getting reviews/acks on this & the following 2 patches in the 
> series so Ralf can take them through the MIPS tree? The lack of these (well, 
> patches 1 & 2 anyway) blocks applying many of the Malta patches later in the 
> series.

Acked-by: Thomas Gleixner <tglx@linutronix.de>

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Re: [PATCH v2 01/14] irqchip: i8259: Add domain before mapping parent irq Paul Burton <paul.burton@imgtec.com> - 2016-09-30 16:50 +0200
  Re: [PATCH v2 01/14] irqchip: i8259: Add domain before mapping parent  irq Thomas Gleixner <tglx@linutronix.de> - 2016-09-30 20:50 +0200

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