Re: [PATCH] arm64: defconfig: Enable Qualcomm pseudo rng

[Vinod Koul]

On 11-10-19, 16:50, Bjorn Andersson wrote:
> Most Qualcomm platforms contain a pseudo random number generator
> hardware block. Enable the driver for this block.

This enabled and loads the driver, but doesn't enable the usage.

We also need CONFIG_CRYPTO_RNG2 but that gets selected so that part is
fine. For userspace we need CONFIG_CRYPTO_USER_API_RNG to be added so
that kernel exports interface to users. So can you add that as well.

Thanks
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
>  arch/arm64/configs/defconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index a5953b0b382d..688c8f200034 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -855,6 +855,7 @@ CONFIG_NLS_ISO8859_1=y
>  CONFIG_SECURITY=y
>  CONFIG_CRYPTO_ECHAINIV=y
>  CONFIG_CRYPTO_ANSI_CPRNG=y
> +CONFIG_CRYPTO_DEV_QCOM_RNG=m
>  CONFIG_DMA_CMA=y
>  CONFIG_CMA_SIZE_MBYTES=32
>  CONFIG_PRINTK_TIME=y
> -- 
> 2.23.0

-- 
~Vinod