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authorWill Deacon <will.deacon@arm.com>2012-02-03 14:52:14 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-03-24 09:38:53 +0000
commite0b823e9a543527dbb0f806252ee03a60f2aefbc (patch)
treef54a12a1ff6dc4857801ab45b661fdaf735b2d52 /arch/arm/common
parent342d00ae2b85af003f11036484a33e12e906fe92 (diff)
downloadop-kernel-dev-e0b823e9a543527dbb0f806252ee03a60f2aefbc.zip
op-kernel-dev-e0b823e9a543527dbb0f806252ee03a60f2aefbc.tar.gz
ARM: 7318/1: gic: refactor irq_start assignment
The irq_start and hwirq_base assignment code is fairly hairy and ended up being difficult to read following a conflict resolution for 3.2. This patch rearranges the code slightly to make it easier to read. Cc: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/common')
-rw-r--r--arch/arm/common/gic.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index b2dc2dd..a3bc86f 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -697,13 +697,12 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,
* For primary GICs, skip over SGIs.
* For secondary GICs, skip over PPIs, too.
*/
- domain->hwirq_base = 32;
- if (gic_nr == 0) {
- if ((irq_start & 31) > 0) {
- domain->hwirq_base = 16;
- if (irq_start != -1)
- irq_start = (irq_start & ~31) + 16;
- }
+ if (gic_nr == 0 && (irq_start & 31) > 0) {
+ domain->hwirq_base = 16;
+ if (irq_start != -1)
+ irq_start = (irq_start & ~31) + 16;
+ } else {
+ domain->hwirq_base = 32;
}
/*
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