linux-kernel - Re: [PATCH] staging: wfx: fix an undefined reference error when CONFIG

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Date:   Fri, 11 Oct 2019 14:20:16 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     <jerome.pouiller@...abs.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: wfx: fix an undefined reference error when CONFIG_MMC=m

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@...wei.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
> How about:
> 	depends on (SPI && MMC)
>
> instead?
Yep,  That is better.  Will repost in v2.  Thanks,

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