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Message-ID: <5DA0AA42.1090403@huawei.com>
Date: Sat, 12 Oct 2019 00:13:54 +0800
From: zhong jiang <zhongjiang@...wei.com>
To: Jerome Pouiller <Jerome.Pouiller@...abs.com>
CC: Greg KH <gregkh@...uxfoundation.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: wfx: fix an undefined reference error when CONFIG_MMC=m
On 2019/10/11 23:55, Jerome Pouiller wrote:
> On Friday 11 October 2019 17:51:29 CEST zhong jiang wrote:
> [...]
>> How about the following patch ?
>>
>> diff --git a/drivers/staging/wfx/Makefile b/drivers/staging/wfx/Makefile
>> index 0d9c1ed..77d68b7 100644
>> --- a/drivers/staging/wfx/Makefile
>> +++ b/drivers/staging/wfx/Makefile
>> @@ -19,6 +19,6 @@ wfx-y := \
>> sta.o \
>> debug.o
>> wfx-$(CONFIG_SPI) += bus_spi.o
>> -wfx-$(subst m,y,$(CONFIG_MMC)) += bus_sdio.o
>> +wfx-$(CONFIG_MMC) += bus_sdio.o
>>
>> obj-$(CONFIG_WFX) += wfx.o
>> diff --git a/drivers/staging/wfx/main.c b/drivers/staging/wfx/main.c
>> index d2508bc..26720a4 100644
>> --- a/drivers/staging/wfx/main.c
>> +++ b/drivers/staging/wfx/main.c
>> @@ -484,16 +484,19 @@ static int __init wfx_core_init(void)
>>
>> if (IS_ENABLED(CONFIG_SPI))
>> ret = spi_register_driver(&wfx_spi_driver);
>> - if (IS_ENABLED(CONFIG_MMC) && !ret)
>> +#ifdef CONFIG_MMC
>> + if (!ret)
>> ret = sdio_register_driver(&wfx_sdio_driver);
>> +#endif
>> return ret
>> }
>> module_init(wfx_core_init);
>>
>> static void __exit wfx_core_exit(void)
>> {
>> - if (IS_ENABLED(CONFIG_MMC))
>> - sdio_unregister_driver(&wfx_sdio_driver);
>> +#ifdef CONFIG_MMC
>> + sdio_unregister_driver(&wfx_sdio_driver);
>> +#endif
>> if (IS_ENABLED(CONFIG_SPI))
>> spi_unregister_driver(&wfx_spi_driver);
>> }
> Hello zhong,
>
> Can you also check the case where CONFIG_SPI is not set?
I have tested the case and it works well when CONFIG_SPI is not set.
Thanks,
zhong jiang
> Thank you,
>
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