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extcon: Add stubs for extcon_register_notifier_all() functions 

[ Upstream commit c9570d4a5efd04479b3cd09c39b571eb031d94f4 ]

Add stubs for extcon_register_notifier_all() function for !CONFIG_EXTCON
case.  This is useful for compile testing and for drivers which use
EXTCON but do not require it (therefore do not depend on CONFIG_EXTCON).

Fixes: 815429b39d ("extcon: Add new extcon_register_notifier_all() to monitor all external connectors")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2020-12-31 09:52:52 +01:00 committed by Greg Kroah-Hartman
parent 67ff75be1a
commit e3a3d5005e
1 changed files with 23 additions and 0 deletions
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23
include/linux/extcon.h
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@ -271,6 +271,29 @@ static inline void devm_extcon_unregister_notifier(struct device *dev,
struct extcon_dev *edev, unsigned int id,
struct notifier_block *nb) { }
static inline int extcon_register_notifier_all(struct extcon_dev *edev,
struct notifier_block *nb)
{
return 0;
}
static inline int extcon_unregister_notifier_all(struct extcon_dev *edev,
struct notifier_block *nb)
{
return 0;
}
static inline int devm_extcon_register_notifier_all(struct device *dev,
struct extcon_dev *edev,
struct notifier_block *nb)
{
return 0;
}
static inline void devm_extcon_unregister_notifier_all(struct device *dev,
struct extcon_dev *edev,
struct notifier_block *nb) { }
static inline struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name)
{
return ERR_PTR(-ENODEV);