linux-kernel - Re: [PATCH] ARM: gic: Document Power and Clock Domain optional properties

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Message-ID: <20150429182817.GC17775@leverpostej>
Date:	Wed, 29 Apr 2015 19:28:17 +0100
From:	Mark Rutland <mark.rutland@....com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Geert Uytterhoeven <geert+renesas@...der.be>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Marc Zyngier <Marc.Zyngier@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Magnus Damm <magnus.damm@...il.com>
Subject: Re: [PATCH] ARM: gic: Document Power and Clock Domain optional
 properties

On Wed, Apr 29, 2015 at 07:12:32PM +0100, Geert Uytterhoeven wrote:
> On Wed, Apr 29, 2015 at 5:15 PM, Mark Rutland <mark.rutland@....com> wrote:
> >> > diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
> >> > index 7b315e3..02c8bb4 100644
> >> > --- a/drivers/irqchip/irq-gic.c
> >> > +++ b/drivers/irqchip/irq-gic.c
> >> > @@ -959,6 +959,7 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,
> >> >         irq_hw_number_t hwirq_base;
> >> >         struct gic_chip_data *gic;
> >> >         int gic_irqs, irq_base, i;
> >> > +       unsigned long iidr;
> >> >
> >> >         BUG_ON(gic_nr >= MAX_GIC_NR);
> >> >
> >> > @@ -996,6 +997,9 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,
> >> >                 gic_set_base_accessor(gic, gic_get_common_base);
> >> >         }
> >> >
> >> > +       iidr = readl_relaxed(gic_data_dist_base(gic) + GIC_DIST_IIDR);
> >> > +       pr_info("GICD_IIDR reports 0x%08lx\n", (unsigned long)iidr);
> >>
> >> No need for the cast.
> >
> > For arm64 there is ;)
> 
> Why? iidr is already unsigned long.

Ah. indeed it is! For some reason I thought I'd left it as a u32.

Sorry about that; I'll drop the cast.

Thanks,
Mark.
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