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authorLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2012-11-16 19:24:06 +0400
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2012-11-19 19:44:33 +0400
commit71db5bfec1349afcbfbd71268c01c658c357b4f3 (patch)
tree5da0b010a0bdf13921ee5f92b846b095b12f1154 /arch/arm/kernel/topology.c
parentdca463daa0151c5bbbd8ec8fd42882a3966d3c44 (diff)
downloadlinux-71db5bfec1349afcbfbd71268c01c658c357b4f3.tar.xz
ARM: kernel: update topology to use new MPIDR macros
This patch updates the topology initialization code to use the newly defined accessors to retrieve the MPIDR affinity levels. Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Acked-by: Nicolas Pitre <nico@linaro.org>
Diffstat (limited to 'arch/arm/kernel/topology.c')
-rw-r--r--arch/arm/kernel/topology.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index cd68d1aa9c3d..79282ebcd939 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -257,19 +257,14 @@ void store_cpu_topology(unsigned int cpuid)
if (mpidr & MPIDR_MT_BITMASK) {
/* core performance interdependency */
- cpuid_topo->thread_id = (mpidr >> MPIDR_LEVEL0_SHIFT)
- & MPIDR_LEVEL0_MASK;
- cpuid_topo->core_id = (mpidr >> MPIDR_LEVEL1_SHIFT)
- & MPIDR_LEVEL1_MASK;
- cpuid_topo->socket_id = (mpidr >> MPIDR_LEVEL2_SHIFT)
- & MPIDR_LEVEL2_MASK;
+ cpuid_topo->thread_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+ cpuid_topo->core_id = MPIDR_AFFINITY_LEVEL(mpidr, 1);
+ cpuid_topo->socket_id = MPIDR_AFFINITY_LEVEL(mpidr, 2);
} else {
/* largely independent cores */
cpuid_topo->thread_id = -1;
- cpuid_topo->core_id = (mpidr >> MPIDR_LEVEL0_SHIFT)
- & MPIDR_LEVEL0_MASK;
- cpuid_topo->socket_id = (mpidr >> MPIDR_LEVEL1_SHIFT)
- & MPIDR_LEVEL1_MASK;
+ cpuid_topo->core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+ cpuid_topo->socket_id = MPIDR_AFFINITY_LEVEL(mpidr, 1);
}
} else {
/*