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authorWill Deacon <will.deacon@arm.com>2012-11-23 18:55:30 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-11-28 09:46:57 +0000
commitea3aacf5f22c1002cac97985354658072232e280 (patch)
treeaecbe3136c65dccf303001668da3ff257a4deac5 /arch/arm/mach-omap2/clockdomain33xx.c
parente23739b4ade80a3a7f87198f008f6c44a7cbc9fd (diff)
ARM: 7586/1: sp804: set cpumask to cpu_possible_mask for clock event device
The SP804 driver statically initialises the cpumask of the clock event device to be cpu_all_mask, which is derived from the compile-time constant NR_CPUS. This breaks SMP_ON_UP systems where the interrupt controller handling the sp804 doesn't have the irq_set_affinity callback on the irq_chip, because the common timer code fails to identify the device as cpu-local and ends up treating it as a broadcast device instead. This patch fixes the problem by using cpu_possible_mask at runtime, which will correctly represent the possible CPUs when SMP_ON_UP is being used. 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/mach-omap2/clockdomain33xx.c')
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