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Subject[PATCH] extcon: cht_wc: add POWER_SUPPLY dependency
Date
From: Arnd Bergmann <arnd@arndb.de>

The driver fails to link when CONFIG_POWER_SUPPLY is disabled:

x86_64-linux-ld: vmlinux.o: in function `cht_wc_extcon_psy_get_prop':
extcon-intel-cht-wc.c:(.text+0x15ccda7): undefined reference to `power_supply_get_drvdata'
x86_64-linux-ld: vmlinux.o: in function `cht_wc_extcon_pwrsrc_event':
extcon-intel-cht-wc.c:(.text+0x15cd3e9): undefined reference to `power_supply_changed'
x86_64-linux-ld: vmlinux.o: in function `cht_wc_extcon_probe':
extcon-intel-cht-wc.c:(.text+0x15cd596): undefined reference to `devm_power_supply_register'

It should be possible to change the driver to not require this at
compile time and still provide other functions, but adding a hard
Kconfig dependency does not seem to have any practical downsides
and is simpler since the option is normally enabled anyway.

Fixes: 66e31186cd2aa ("extcon: intel-cht-wc: Add support for registering a power_supply class-device")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/extcon/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index 0ef1971d22bb0..8de9023c2a387 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -62,6 +62,7 @@ config EXTCON_INTEL_CHT_WC
tristate "Intel Cherrytrail Whiskey Cove PMIC extcon driver"
depends on INTEL_SOC_PMIC_CHTWC
depends on USB_SUPPORT
+ depends on POWER_SUPPLY
select USB_ROLE_SWITCH
help
Say Y here to enable extcon support for charger detection / control
--
2.39.2
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