From 1c986e3643d278d93e9ca67b3c752f486cc32318 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Wed, 20 Apr 2016 10:18:46 +0900 Subject: of: document refcount incrementation of of_get_cpu_node() This function increments refcount. This is worth noting. Signed-off-by: Masahiro Yamada Reviewed-by: Frank Rowand Signed-off-by: Rob Herring --- drivers/of/base.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/of') 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) { -- cgit v1.2.3-59-g8ed1b