From: Arnd Bergmann Date: Mon, 9 Sep 2024 11:04:09 +0000 (+0000) Subject: platform: cznic: turris-omnia-mcu: fix HW_RANDOM dependency X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b97acde6f9840edbac5c7ea07cba6f10308d24ee;p=users%2Fjedix%2Flinux-maple.git platform: cznic: turris-omnia-mcu: fix HW_RANDOM dependency There is still a build failure when the rwrng support is in a loadable module but the mcu driver is built-in: arm-linux-gnueabi-ld: drivers/platform/cznic/turris-omnia-mcu-trng.o: in function `omnia_mcu_register_trng': turris-omnia-mcu-trng.c:(.text.omnia_mcu_register_trng+0x11c): undefined reference to `devm_hwrng_register' Change the dependency to explicitly disallow the broken configuration. Fixes: 41bb142a4028 ("platform: cznic: turris-omnia-mcu: Add support for MCU provided TRNG") Reviewed-by: Marek Behún Link: https://lore.kernel.org/r/20240909110417.247453-1-arnd@kernel.org Signed-off-by: Arnd Bergmann --- diff --git a/drivers/platform/cznic/Kconfig b/drivers/platform/cznic/Kconfig index a111eca8ff57..49c383eb6785 100644 --- a/drivers/platform/cznic/Kconfig +++ b/drivers/platform/cznic/Kconfig @@ -70,7 +70,7 @@ config TURRIS_OMNIA_MCU_TRNG bool "Turris Omnia MCU true random number generator" default y depends on TURRIS_OMNIA_MCU_GPIO - depends on HW_RANDOM + depends on HW_RANDOM=y || HW_RANDOM=TURRIS_OMNIA_MCU help Say Y here to add support for the true random number generator provided by CZ.NIC's Turris Omnia MCU.