From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sun, 23 Oct 2011 13:42:30 +0000 (+0100)
Subject: Merge branch 'ppi-irq-core-for-rmk' of git://github.com/mzyngier/arm-platforms into... 
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=34471a9168c8bfd7f0d00989a7b0797ad27d585e;p=~shefty%2Frdma-dev.git

Merge branch 'ppi-irq-core-for-rmk' of git://github.com/mzyngier/arm-platforms into devel-stable
---

34471a9168c8bfd7f0d00989a7b0797ad27d585e
diff --cc arch/arm/common/gic.c
index 734db99eaee,a2b32050393..016c1aeb847
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@@ -26,9 -26,11 +26,12 @@@
  #include <linux/kernel.h>
  #include <linux/list.h>
  #include <linux/smp.h>
 +#include <linux/cpu_pm.h>
  #include <linux/cpumask.h>
  #include <linux/io.h>
+ #include <linux/interrupt.h>
+ #include <linux/percpu.h>
+ #include <linux/slab.h>
  
  #include <asm/irq.h>
  #include <asm/mach/irq.h>
@@@ -277,8 -286,23 +287,25 @@@ static void __init gic_dist_init(struc
  	if (gic_irqs > 1020)
  		gic_irqs = 1020;
  
 +	gic->gic_irqs = gic_irqs;
 +
+ 	/*
+ 	 * Nobody would be insane enough to use PPIs on a secondary
+ 	 * GIC, right?
+ 	 */
+ 	if (gic == &gic_data[0]) {
+ 		nrppis = (32 - irq_start) & 31;
+ 
+ 		/* The GIC only supports up to 16 PPIs. */
+ 		if (nrppis > 16)
+ 			BUG();
+ 
+ 		ppi_base = gic->irq_offset + 32 - nrppis;
+ 	}
+ 
+ 	pr_info("Configuring GIC with %d sources (%d PPIs)\n",
+ 		gic_irqs, (gic == &gic_data[0]) ? nrppis : 0);
+ 
  	/*
  	 * Set all global interrupts to be level triggered, active low.
  	 */