staging: wfx: explain uncommon Makefile statement

I have got questions about this line from several reviewers. A comment
is definitively welcome.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20220113085524.1110708-6-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jérôme Pouiller
2022-01-13 09:54:58 +01:00
committed by Greg Kroah-Hartman
parent 7a1fa8a436
commit cc6205be68

View File

@@ -20,6 +20,7 @@ wfx-y := \
sta.o \
debug.o
wfx-$(CONFIG_SPI) += bus_spi.o
# When CONFIG_MMC == m, append to 'wfx-y' (and not to 'wfx-m')
wfx-$(subst m,y,$(CONFIG_MMC)) += bus_sdio.o
obj-$(CONFIG_WFX) += wfx.o