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FROMGIT: power: supply: Fix build error when CONFIG_POWER_SUPPLY is not enabled.

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The build error happens when CONFIG_POWER_SUPPLY is not enabled.

h8300-linux-ld: drivers/usb/dwc3/gadget.o: in function `.L59':
>> gadget.c:(.text+0x655): undefined reference to `power_supply_set_property'

Fixes: 99288de360 ("usb: dwc3: add an alternate path in vbus_draw callback")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Ray Chi <raychi@google.com>
Link: https://lore.kernel.org/r/20210327182809.1814480-3-raychi@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit c21161e40e
 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-next)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I20d01d150f9cf3f6b6cc4cb5b53c89a76004df44
This commit is contained in:
Ray Chi
2021-03-28 02:28:09 +08:00
committed by Greg Kroah-Hartman
parent b015d2efa1
commit 5af07d297d
1 changed files with 7 additions and 0 deletions
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7
include/linux/power_supply.h
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@@ -441,9 +441,16 @@ static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
extern int power_supply_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val);
#if IS_ENABLED(CONFIG_POWER_SUPPLY)
extern int power_supply_set_property(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *val);
#else
static inline int power_supply_set_property(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *val)
{ return 0; }
#endif
extern int power_supply_property_is_writeable(struct power_supply *psy,
enum power_supply_property psp);
extern void power_supply_external_power_changed(struct power_supply *psy);