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drivers/rng: simplify Kconfig

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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@gmx.de>
Reviewed-by: Sughosh Ganu <sughosh.ganu@linaro.org>
This commit is contained in:
Heinrich Schuchardt 2020-02-02 19:45:35 +01:00
parent 2b8568f461
commit c312c4b4dc
3 changed files with 7 additions and 4 deletions
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1
configs/sandbox64_defconfig
View File

@ -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

1
configs/sandbox_defconfig
View File

@ -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

9
drivers/rng/Kconfig
View File

@ -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