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| author |   David Miller <davem@davemloft.net> | 2013-10-03 17:24:51 -0400 |
|---|---|---|
| committer |   Grant Likely <grant.likely@linaro.org> | 2013-10-15 20:09:10 +0100 |
| commit | d1cb9d1af0bc11b7450a6032f43935c746609418 (patch) | |
| tree | 061b56dbd9e656730262445b373bacd399c0678e /include/linux/cpu.h | |
| parent | of: fix unnecessary warning on missing /cpus node (diff) | |
| download | linux-dev-d1cb9d1af0bc11b7450a6032f43935c746609418.tar.xz linux-dev-d1cb9d1af0bc11b7450a6032f43935c746609418.zip | |
of: Make cpu node handling more portable.
Use for_each_node_by_type() to iterate all cpu nodes in the
system.
Provide and overridable function arch_find_n_match_cpu_physical_id,
which sees if the given device node matches 'cpu' and if so sets
'*thread' when non-NULL to the cpu thread number within the core.
The default implementation behaves the same as the existing code.
Add a sparc64 implementation.
Signed-off-by: David S. Miller <davem@davemloft.net>
Tested-by: Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@arm.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 801ff9e73679..fbd25c3c2923 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -18,6 +18,7 @@ #include <linux/cpumask.h> struct device; +struct device_node; struct cpu { int node_id; /* The node which contains the CPU */ @@ -29,6 +30,8 @@ extern int register_cpu(struct cpu *cpu, int num); extern struct device *get_cpu_device(unsigned cpu); extern bool cpu_is_hotpluggable(unsigned cpu); extern bool arch_match_cpu_phys_id(int cpu, u64 phys_id); +extern bool arch_find_n_match_cpu_physical_id(struct device_node *cpun, + int cpu, unsigned int *thread); extern int cpu_add_dev_attr(struct device_attribute *attr); extern void cpu_remove_dev_attr(struct device_attribute *attr); |