From patchwork Wed Mar 4 01:17:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heinrich Schuchardt X-Patchwork-Id: 243191 List-Id: U-Boot discussion From: xypron.glpk at gmx.de (Heinrich Schuchardt) Date: Wed, 4 Mar 2020 02:17:37 +0100 Subject: [PATCH 1/2] drivers/rng: simplify Kconfig In-Reply-To: <20200304011738.33763-1-xypron.glpk@gmx.de> References: <20200304011738.33763-1-xypron.glpk@gmx.de> Message-ID: <20200304011738.33763-2-xypron.glpk@gmx.de> 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 Reviewed-by: Patrick Delaunay Reviewed-by: Sughosh Ganu --- configs/sandbox64_defconfig | 1 - configs/sandbox_defconfig | 1 - drivers/rng/Kconfig | 9 +++++++-- 3 files changed, 7 insertions(+), 4 deletions(-) -- 2.25.1 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