Commit 1c986e36 authored by Masahiro Yamada's avatar Masahiro Yamada Committed by Rob Herring
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of: document refcount incrementation of of_get_cpu_node() 



This function increments refcount.  This is worth noting.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: default avatarFrank Rowand <frank.rowand@am.sony.com>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent 718756b5

drivers/of/base.c

+2 −1
Original line number Diff line number Diff line
@@ -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)

{