On Monday 14 October 2019 11:53:19 CEST Jérôme Pouiller wrote:
[...]
> Hello Zhong,
>
> Now, I see the problem. It happens when CONFIG_MMC=m and CONFIG_WFX=y
> (if CONFIG_WFX=m, it works).
>
> I think the easiest way to solve problem is to disallow CONFIG_WFX=y if
> CONFIG_MMC=m.
>
> This solution impacts users who want to use SPI bus with configuration:
> CONFIG_WFX=y + CONFIG_SPI=y + CONFIG_MMC=m. However, I think this is a
> twisted case. So, I think it won't be missed.
>
> I think that patch below do the right thing:
>
> -----8<----------8<----------------------8<-----------------
>
> diff --git i/drivers/staging/wfx/Kconfig w/drivers/staging/wfx/Kconfig
> index 9b8a1c7a9e90..833f3b05b6b4 100644
> --- i/drivers/staging/wfx/Kconfig
> +++ w/drivers/staging/wfx/Kconfig
> @@ -1,7 +1,7 @@
> config WFX
> tristate "Silicon Labs wireless chips WF200 and further"
> depends on MAC80211
> - depends on (SPI || MMC)
> + depends on (MMC=m && m) || MMC=y || (SPI && MMC!=m)
> help
> This is a driver for Silicons Labs WFxxx series (WF200 and further)
> chipsets. This chip can be found on SPI or SDIO buses.
>
>
>
An alternative (more understandable?):
diff --git i/drivers/staging/wfx/Kconfig w/drivers/staging/wfx/Kconfig
index 9b8a1c7a9e90..83ee4d0ca8c6 100644
--- i/drivers/staging/wfx/Kconfig
+++ w/drivers/staging/wfx/Kconfig
@@ -1,6 +1,7 @@
config WFX
tristate "Silicon Labs wireless chips WF200 and further"
depends on MAC80211
+ depends on MMC || !MMC # do not allow WFX=y if MMC=m
depends on (SPI || MMC)
help
This is a driver for Silicons Labs WFxxx series (WF200 and further)
--
Jérôme Pouiller
