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