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authorLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2013-06-19 10:40:48 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-06-24 14:28:43 +0100
commit18d7f152df31e5a326301fdaad385e40874dff80 (patch)
treef7972dce2a6b55d99dcae103d076816d95366492 /arch/arm/include/asm/cputype.h
parent1ba9bf0a9ae779c1a2b3eb64951e4161d9bad7a9 (diff)
ARM: 7763/1: kernel: fix __cpu_logical_map default initialization
The __cpu_logical_map array is statically initialized to 0, which is a valid MPIDR value. To prevent issues with the current implementation, this patch defines an MPIDR_INVALID value, and statically initializes the __cpu_logical_map[] array to it. Entries in the arm_dt_init_cpu_maps() tmp_map array used to stash DT reg properties while parsing DT are initialized with the MPIDR_INVALID value as well for consistency. Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Nicolas Pitre <nico@linaro.org> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/cputype.h')
-rw-r--r--arch/arm/include/asm/cputype.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index 7652712d1d14..dba62cb1ad08 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -32,6 +32,8 @@
#define MPIDR_HWID_BITMASK 0xFFFFFF
+#define MPIDR_INVALID (~MPIDR_HWID_BITMASK)
+
#define MPIDR_LEVEL_BITS 8
#define MPIDR_LEVEL_MASK ((1 << MPIDR_LEVEL_BITS) - 1)