[PATCH 1/2] drivers/rng: simplify Kconfig

[Patrick DELAUNAY]

Hi Heinrich,

> From: U-Boot <u-boot-bounces at lists.denx.de> On Behalf Of Heinrich Schuchardt
> Sent: mercredi 4 mars 2020 02:18
> 
> For all sandbox systems with DM_RNG we enable RNG_SANDBOX. So we can
> simply set the default to yes.
> 
> All rng drivers depend on DM_RNG. Use a single 'if' instead of individual
> dependencies. Now 'make menuconfig' shows the individual drivers neatly
> indented under the DM_RNG entry.
> 
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> ---

Reviewed-by: Patrick Delaunay <patrick.delaunay at st.com>

Regards
Patrick

>  configs/sandbox64_defconfig | 1 -
>  configs/sandbox_defconfig   | 1 -
>  drivers/rng/Kconfig         | 9 +++++++--
>  3 files changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig index
> d1c94b65a1..71a4d7fccb 100644
> --- a/configs/sandbox64_defconfig
> +++ b/configs/sandbox64_defconfig
> @@ -169,7 +169,6 @@ CONFIG_REMOTEPROC_SANDBOX=y
> CONFIG_DM_RESET=y  CONFIG_SANDBOX_RESET=y  CONFIG_DM_RNG=y -
> CONFIG_RNG_SANDBOX=y  CONFIG_DM_RTC=y  CONFIG_RTC_RV8803=y
> CONFIG_SANDBOX_SERIAL=y diff --git a/configs/sandbox_defconfig
> b/configs/sandbox_defconfig index 45b5475b79..f96891ecae 100644
> --- a/configs/sandbox_defconfig
> +++ b/configs/sandbox_defconfig
> @@ -189,7 +189,6 @@ CONFIG_REMOTEPROC_SANDBOX=y
> CONFIG_DM_RESET=y  CONFIG_SANDBOX_RESET=y  CONFIG_DM_RNG=y -
> CONFIG_RNG_SANDBOX=y  CONFIG_DM_RTC=y  CONFIG_RTC_RV8803=y
> CONFIG_DEBUG_UART_SANDBOX=y diff --git a/drivers/rng/Kconfig
> b/drivers/rng/Kconfig index 893b89d49b..c1aa43b823 100644
> --- a/drivers/rng/Kconfig
> +++ b/drivers/rng/Kconfig
> @@ -6,16 +6,21 @@ config DM_RNG
>  	  This interface is used to initialise the rng device and to
>  	  read the random seed from the device.
> 
> +if DM_RNG
> +
>  config RNG_SANDBOX
>  	bool "Sandbox random number generator"
> -	depends on SANDBOX && DM_RNG
> +	depends on SANDBOX
> +	default y
>  	help
>  	  Enable random number generator for sandbox. This is an
>  	  emulation of a rng device.
> 
>  config RNG_STM32MP1
>  	bool "Enable random number generator for STM32MP1"
> -	depends on ARCH_STM32MP && DM_RNG
> +	depends on ARCH_STM32MP
>  	default n
>  	help
>  	  Enable STM32MP1 rng driver.
> +
> +endif
> --
> 2.25.1