Re: [PATCH] staging: wfx: fix an undefined reference error when CONFIG_MMC=m

From: zhong jiang
Date: Fri Oct 11 2019 - 02:20:23 EST


On 2019/10/11 12:26, Greg KH wrote:
> On Fri, Oct 11, 2019 at 11:02:19AM +0800, zhong jiang wrote:
>> 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 <zhongjiang@xxxxxxxxxx>
>> ---
>> 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
> How about:
> depends on (SPI && MMC)
>
> instead?
Yep, That is better. Will repost in v2. Thanks,

Sincerely,
zhong jiang
> thanks,
>
> greg k-h
>
> .
>