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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-04-20 10:18:46 +0900 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2016-04-25 10:06:39 -0500 |
| commit | 1c986e3643d278d93e9ca67b3c752f486cc32318 (patch) | |
| tree | eb0cc5b2ef5f08f0d602382127795993c173619a /drivers | |
| parent | 718756b5033f6f75562aab17601326df104527e8 (diff) | |
| download | lwn-1c986e3643d278d93e9ca67b3c752f486cc32318.tar.gz lwn-1c986e3643d278d93e9ca67b3c752f486cc32318.zip | |
of: document refcount incrementation of of_get_cpu_node()
This function increments refcount. This is worth noting.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Frank Rowand <frank.rowand@am.sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/of/base.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index e87e21df19d8..116666b088cc 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -394,7 +394,8 @@ bool __weak arch_find_n_match_cpu_physical_id(struct device_node *cpun, * before booting secondary cores. This function uses arch_match_cpu_phys_id * which can be overridden by architecture specific implementation. * - * Returns a node pointer for the logical cpu if found, else NULL. + * Returns a node pointer for the logical cpu with refcount incremented, use + * of_node_put() on it when done. Returns NULL if not found. */ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) { |