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Date:   Mon, 15 Oct 2018 20:32:18 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc:     linux-kernel@vger.kernel.org,
        Niklas Cassel <niklas.cassel@linaro.org>
Subject: Re: [PATCH] slimbus: ngd: QCOM_QMI_HELPERS has to be selected
Message-ID: <20181015183218.GA16900@kroah.com>
References: <20181003175236.20039-1-srinivas.kandagatla@linaro.org>
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On Wed, Oct 03, 2018 at 06:52:36PM +0100, Srinivas Kandagatla wrote:
> From: Niklas Cassel <niklas.cassel@linaro.org>
> 
> QCOM_QMI_HELPERS is a hidden kconfig, so the proper usage is
> to select it, not depend upon it.
> 
> Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
> Reviewed-by: Alex Elder <elder@linaro.org>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  drivers/slimbus/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/slimbus/Kconfig b/drivers/slimbus/Kconfig
> index 9d73ad806698..9cca2c3559f2 100644
> --- a/drivers/slimbus/Kconfig
> +++ b/drivers/slimbus/Kconfig
> @@ -22,8 +22,8 @@ config SLIM_QCOM_CTRL
>  
>  config SLIM_QCOM_NGD_CTRL
>  	tristate "Qualcomm SLIMbus Satellite Non-Generic Device Component"
> -	depends on QCOM_QMI_HELPERS
>  	depends on HAS_IOMEM && DMA_ENGINE
> +	select QCOM_QMI_HELPERS
>  	help
>  	  Select driver if Qualcomm's SLIMbus Satellite Non-Generic Device
>  	  Component is programmed using Linux kernel.
> -- 
> 2.19.0
> 

This adds the following build warning when applied:

WARNING: unmet direct dependencies detected for QCOM_QMI_HELPERS
  Depends on [n]: ARCH_QCOM && NET [=y]
  Selected by [m]:
  - SLIM_QCOM_NGD_CTRL [=m] && SLIMBUS [=m] && HAS_IOMEM [=y] && DMA_ENGINE [=y]