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| author |   Johan Hovold <johan@kernel.org> | 2016-11-01 11:53:22 +0100 |
|---|---|---|
| committer |   Rob Herring <robh@kernel.org> | 2016-11-15 09:17:19 -0600 |
| commit | 4fb373dfabee1367b7553003b4d6491ee8bf4c2a (patch) | |
| tree | 0f956e43175630b0a72ca9b4daa983bace592863 /drivers/of | |
| parent | of/platform: fix of_platform_device_destroy comment (diff) | |
| download | linux-dev-4fb373dfabee1367b7553003b4d6491ee8bf4c2a.tar.xz linux-dev-4fb373dfabee1367b7553003b4d6491ee8bf4c2a.zip | |
of/platform: clarify of_find_device_by_node refcounting
Add comment clarifying that of_find_device_by_node() takes a reference
to the embedded struct device which needs to be dropped after use.
Note that most current users fail to do so.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/platform.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index cb4c7800f37d..b8064bc2b6eb 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -45,6 +45,9 @@ static int of_dev_node_match(struct device *dev, void *data) * of_find_device_by_node - Find the platform_device associated with a node * @np: Pointer to device tree node * + * Takes a reference to the embedded struct device which needs to be dropped + * after use. + * * Returns platform_device pointer, or NULL if not found */ struct platform_device *of_find_device_by_node(struct device_node *np) |