power: Use subdir-ccflags-* to inherit debug flag

Use subdir-ccflags-* instead of ccflags-* to inherit the debug
settings from Kconfig when traversing subdirectories.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 2888bb0..7b604f4 100644 (file)
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -1,4 +1,4 @@
-ccflags-$(CONFIG_POWER_SUPPLY_DEBUG) := -DDEBUG
+subdir-ccflags-$(CONFIG_POWER_SUPPLY_DEBUG) := -DDEBUG
 
 power_supply-y                         := power_supply_core.o
 power_supply-$(CONFIG_SYSFS)           += power_supply_sysfs.o