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From: Thierry Reding <thierry.reding@avionic-design.de>
To: "Cousson, Benoit" <b-cousson@ti.com>
Cc: devicetree-discuss@lists.ozlabs.org,
	"Tony Lindgren" <tony@atomide.com>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Daniel Walker" <dwalker@fifo99.com>,
	"Russell King" <linux@arm.linux.org.uk>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"David Brown" <davidb@codeaurora.org>,
	"open list:ARM/QUALCOMM MSM..." <linux-arm-msm@vger.kernel.org>,
	"Rob Herring" <rob.herring@calxeda.com>,
	"Barry Song" <baohua.song@csr.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"OMAP SUPPORT" <linux-omap@vger.kernel.org>,
	"Andrew Victor" <linux@maxim.org.za>,
	"open list:ARM/ATMEL AT91RM9..."
	<linux-arm-kernel@lists.infradead.org>,
	"open list" <linux-kernel@vger.kernel.org>,
	"Bryan Huntsman" <bryanh@codeaurora.org>,
	"Richard Zhao" <richard.zhao@freescale.com>,
	"Sascha Hauer" <kernel@pengutronix.de>,
	"David Woodhouse" <dwmw2@infradead.org>
Subject: Re: [PATCH] irqdomain: Initialize number of IRQs for simple domains
Date: Mon, 9 Jan 2012 10:03:12 +0100	[thread overview]
Message-ID: <20120109090311.GA10040@avionic-0098.mockup.avionic-design.de> (raw)
In-Reply-To: <4F072843.6050306@ti.com>

[-- Attachment #1: Type: text/plain, Size: 1528 bytes --]

* Cousson, Benoit wrote:
> Hi Thierry,
> 
> On 1/6/2012 3:28 PM, Thierry Reding wrote:
> >The irq_domain_add() function needs the number of interrupts in the
> >domain to properly initialize them. In addition the allocated domain
> >is now returned by the irq_domain_{add,generate}_simple() helpers.
> 
> [...]
> 
> >diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
> >index d587560..bf67781 100644
> >--- a/arch/arm/mach-omap2/board-generic.c
> >+++ b/arch/arm/mach-omap2/board-generic.c
> >@@ -66,8 +66,11 @@ static struct of_device_id intc_match[] __initdata = {
> >  static void __init omap_generic_init(void)
> >  {
> >  	struct device_node *node = of_find_matching_node(NULL, intc_match);
> >-	if (node)
> >-		irq_domain_add_simple(node, 0);
> >+	if (node) {
> >+		struct irq_domain *domain;
> >+		domain = irq_domain_add_simple(node, 0, INTCPS_NR_IRQS);
> 
> The number of interrupts will depend on the OMAP generation. That
> one is just valid for the 3430 INTC controller.
> Since the previous code was using zero, I guess that using 0 there
> should be fine.
> 
> Moreover, that piece of code should not exist anymore on 3.3 if the
> series I sent last month to leverage Rob's DT interrupt init is
> merged [1].
> 
> I've just ping Rob and Grant on that series to get a status.

Okay, so I guess we should wait for you patch to go in first and I'll update
this patch on top of that. I assume we can coordinate things in linux-next?

Thierry

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  reply	other threads:[~2012-01-09  9:03 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-06 14:28 [PATCH] irqdomain: Initialize number of IRQs for simple domains Thierry Reding
2012-01-06 16:07 ` David Brown
     [not found]   ` <20120106160744.GA7687-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2012-01-06 16:12     ` Thierry Reding
2012-01-06 16:26     ` Rob Herring
     [not found]       ` <4F0720A9.8070400-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-01-06 18:52         ` David Brown
     [not found] ` <1325860112-22051-1-git-send-email-thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org>
2012-01-06 14:36   ` Nicolas Ferre
2012-01-06 15:04   ` Grant Likely
2012-01-06 16:20     ` Thierry Reding
     [not found]       ` <20120106162016.GB5593-RM9K5IK7kjIQXX3q8xo1gnVAuStQJXxyR5q1nwbD4aMs9pC9oP6+/A@public.gmane.org>
2012-01-06 21:34         ` Grant Likely
     [not found]           ` <20120106213422.GF7457-e0URQFbLeQY2iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2012-01-07 11:40             ` Thierry Reding
2012-01-06 16:58   ` Cousson, Benoit
2012-01-09  9:03     ` Thierry Reding [this message]
2012-01-07  5:58   ` Shawn Guo
     [not found]     ` <20120107055817.GG4790-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-01-07 11:47       ` Thierry Reding

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