I hit the following error when compile the kernel. drivers/staging/wfx/main.o: In function `wfx_core_init': /home/z00352263/linux-next/linux-next/drivers/staging/wfx/main.c:488: undefined reference to `sdio_register_driver' drivers/staging/wfx/main.o: In function `wfx_core_exit': /home/z00352263/linux-next/linux-next/drivers/staging/wfx/main.c:496: undefined reference to `sdio_unregister_driver' drivers/staging/wfx/main.o:(.debug_addr+0x1a8): undefined reference to `sdio_register_driver' drivers/staging/wfx/main.o:(.debug_addr+0x6f0): undefined reference to `sdio_unregister_driver'
Signed-off-by: zhong jiang <zhongji...@huawei.com> --- drivers/staging/wfx/Kconfig | 3 ++- drivers/staging/wfx/Makefile | 5 +++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/staging/wfx/Kconfig b/drivers/staging/wfx/Kconfig index 9b8a1c7..4d045513 100644 --- a/drivers/staging/wfx/Kconfig +++ b/drivers/staging/wfx/Kconfig @@ -1,7 +1,8 @@ config WFX tristate "Silicon Labs wireless chips WF200 and further" depends on MAC80211 - depends on (SPI || MMC) + depends on SPI + select MMC help This is a driver for Silicons Labs WFxxx series (WF200 and further) chipsets. This chip can be found on SPI or SDIO buses. diff --git a/drivers/staging/wfx/Makefile b/drivers/staging/wfx/Makefile index 0d9c1ed..fc30b49 100644 --- a/drivers/staging/wfx/Makefile +++ b/drivers/staging/wfx/Makefile @@ -17,8 +17,9 @@ wfx-y := \ key.o \ main.o \ sta.o \ - debug.o + debug.o \ + bus_sdio.o + wfx-$(CONFIG_SPI) += bus_spi.o -wfx-$(subst m,y,$(CONFIG_MMC)) += bus_sdio.o obj-$(CONFIG_WFX) += wfx.o -- 1.7.12.4