From patchwork Mon Sep 9 11:04:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13796478 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1BC02ECE579 for ; Mon, 9 Sep 2024 09:04:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id DEB3FC4CEC6; Mon, 9 Sep 2024 09:04:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F520C4CEC5; Mon, 9 Sep 2024 09:04:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725872661; bh=21XZgZhhL5UrKCuLusQQvPQ+rZd4NBRQIgirkMHUuQU=; h=From:List-Id:To:Cc:Subject:Date:From; b=A+HBD4wZpTR/Ado+/zpqSuVbg8SdVRW9jYJ9ZRrKeitPSVMMzQqYN+Euw7OdhPG2B kdZgpgotkeHgfYeJ5E/mJi5HLB6ijqfYbGHc06HN+vWLKNFqfLdnt5OhTXOYkgkpvs t4bw70fZKJnbBAlgcFQWHbRLYXoPV7FcaE2bbciFRjCE5MZc0/D5FWCSq8NDzqaZRO DGOFSZikUaehqkiXQolI1Y2GLybWkpeyqID+iUY2oozgHhdkeOLsWbvNwCjPZgGeWa UBgTZWaPaKesMVteHj79ApfNCxd1LYRhlf0nmHTKq9VyN5WYhJSvXeTtEwx3F0E44v aPllUjdnpytqw== From: Arnd Bergmann List-Id: To: soc@kernel.org, =?utf-8?q?Marek_Beh=C3=BAn?= Cc: Arnd Bergmann , Bartosz Golaszewski , Andy Shevchenko , Guenter Roeck , linux-kernel@vger.kernel.org Subject: [PATCH] platform: cznic: turris-omnia-mcu: fix HW_RANDOM dependency Date: Mon, 9 Sep 2024 11:04:09 +0000 Message-Id: <20240909110417.247453-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 From: Arnd Bergmann 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") Signed-off-by: Arnd Bergmann Reviewed-by: Marek Behún --- drivers/platform/cznic/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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.