[PATCH v2] drivers/dax: Allow to include DEV_DAX_PMEM as builtin

[Aneesh Kumar K.V]

Hi Dan,

"Aneesh Kumar K.V" <aneesh.kumar at linux.ibm.com> writes:

> This move the dependency to DEV_DAX_PMEM_COMPAT such that only
> if DEV_DAX_PMEM is built as module we can allow the compat support.
>
> This allows to test the new code easily in a emulation setup where we
> often build things without module support.
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>

Any update on this. Can we merge this?

> ---
> Changes from V1:
> * Make sure we only build compat code as module
>
>  drivers/dax/Kconfig | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/dax/Kconfig b/drivers/dax/Kconfig
> index 5ef624fe3934..a59f338f520f 100644
> --- a/drivers/dax/Kconfig
> +++ b/drivers/dax/Kconfig
> @@ -23,7 +23,6 @@ config DEV_DAX
>  config DEV_DAX_PMEM
>  	tristate "PMEM DAX: direct access to persistent memory"
>  	depends on LIBNVDIMM && NVDIMM_DAX && DEV_DAX
> -	depends on m # until we can kill DEV_DAX_PMEM_COMPAT
>  	default DEV_DAX
>  	help
>  	  Support raw access to persistent memory.  Note that this
> @@ -50,7 +49,7 @@ config DEV_DAX_KMEM
>  
>  config DEV_DAX_PMEM_COMPAT
>  	tristate "PMEM DAX: support the deprecated /sys/class/dax interface"
> -	depends on DEV_DAX_PMEM
> +	depends on m && DEV_DAX_PMEM=m
>  	default DEV_DAX_PMEM
>  	help
>  	  Older versions of the libdaxctl library expect to find all
> -- 
> 2.20.1