From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 4639EF44847 for ; Fri, 10 Apr 2026 12:21:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:Subject:Cc:To:From:Message-ID:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: List-Owner; bh=55BqTpopgqyhosJe2byyDZjQwi/7tJCuwd4CS33Nh0I=; b=092S3wv5pISicJ cQyS5t98oMWd2QqDv37tohT87u+SqtK+98QakQ6TidFsFFHnrf2TDvWwt+iSyv5KuJqNlPSeJaXN2 8pduiFWrembeXiJvP63XjXbaojoLuypZYhTaVIXVV8KJPYTnhT0c36EQyhUjlAkMbG9Hp43chAE6T muZvKbfvIZxXNOD+BaIY0obEJIXFuJhvg3VgxqG3qxiuSJvf/Dr8N2ceSjxi/JD12WFx6kKYUYPfS uqOhjGijfpx/Ad2/VzoNkOmBNX0D2ipjaaLS5ZEeR8wqSS8UTG/PpvrfQRMbXL42kuBbWOQHTyXPu Yqu41QWA41/7WnFl3Aeg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wBArJ-0000000CCWt-07aB; Fri, 10 Apr 2026 12:21:13 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wBAr5-0000000CC7w-1nPy; Fri, 10 Apr 2026 12:21:01 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6B18E409C7; Fri, 10 Apr 2026 12:20:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 82685C19421; Fri, 10 Apr 2026 12:20:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775823658; bh=Hb2dziS1cUz3f0ZYnY6mq4QP/VKrKM0StdHMUX+1BaE=; h=Date:From:To:Cc:Subject:References:From; b=RmyBeAjX6h1L2rIRLcz+AgNEdpyqYQZZkX4kYkgxpR9ZJA0/rvdow263wov/8PVOr hb2QUP5GwQZouavgtAcs0bwbkCd8TxgfCVh6LWoo2a7HWknstglzPKB+9aabXFzH1J rP1F6gK8dqeRn0JBTKdTohI1oCqed+5PigWBVmbAA5ah3505CMSHrUL7HPCCN4sGiu NHT4954Kmifvfva6Jx9l4xaRzDUJEaSzZYxXiP8aChKSe2ykT1tpUU6RYxqauW7DoH p3wDa9fQGCdDGL4OtStOnSEjWIThdsFEIiYqSYDvCq0zlNoVlLTrCjuWlgc/BYNO1M jFsY3AL2zO6GQ== Date: Fri, 10 Apr 2026 14:20:55 +0200 Message-ID: <20260410120319.593798781@kernel.org> User-Agent: quilt/0.68 From: Thomas Gleixner To: LKML Cc: Jonas Bonn , linux-openrisc@vger.kernel.org, Arnd Bergmann , x86@kernel.org, Lu Baolu , iommu@lists.linux.dev, Michael Grzeschik , netdev@vger.kernel.org, linux-wireless@vger.kernel.org, Herbert Xu , linux-crypto@vger.kernel.org, Vlastimil Babka , linux-mm@kvack.org, David Woodhouse , Bernie Thompson , linux-fbdev@vger.kernel.org, "Theodore Tso" , linux-ext4@vger.kernel.org, Andrew Morton , Uladzislau Rezki , Marco Elver , Dmitry Vyukov , kasan-dev@googlegroups.com, Andrey Ryabinin , Thomas Sailer , linux-hams@vger.kernel.org, "Jason A. Donenfeld" , Richard Henderson , linux-alpha@vger.kernel.org, Russell King , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Huacai Chen , loongarch@lists.linux.dev, Geert Uytterhoeven , linux-m68k@lists.linux-m68k.org, Dinh Nguyen , Helge Deller , linux-parisc@vger.kernel.org, Michael Ellerman , linuxppc-dev@lists.ozlabs.org, Paul Walmsley , linux-riscv@lists.infradead.org, Heiko Carstens , linux-s390@vger.kernel.org, "David S. Miller" , sparclinux@vger.kernel.org Subject: [patch 30/38] openrisc: Select ARCH_HAS_RANDOM_ENTROPY References: <20260410120044.031381086@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260410_052059_700013_54DE0594 X-CRM114-Status: GOOD ( 11.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The only remaining non-architecture usage of get_cycles() is to provide random_get_entropy(). Switch openrisc over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY and providing random_get_entropy() in asm/random.h. Add 'asm/timex.h' includes to the relevant files, so the global include can be removed once all architectures are converted over. Signed-off-by: Thomas Gleixner Cc: Jonas Bonn Cc: linux-openrisc@vger.kernel.org --- arch/openrisc/Kconfig | 1 + arch/openrisc/include/asm/random.h | 12 ++++++++++++ arch/openrisc/include/asm/timex.h | 5 ----- arch/openrisc/lib/delay.c | 1 + 4 files changed, 14 insertions(+), 5 deletions(-) --- a/arch/openrisc/Kconfig +++ b/arch/openrisc/Kconfig @@ -10,6 +10,7 @@ config OPENRISC select ARCH_HAS_DELAY_TIMER select ARCH_HAS_DMA_SET_UNCACHED select ARCH_HAS_DMA_CLEAR_UNCACHED + select ARCH_HAS_RANDOM_ENTROPY select ARCH_HAS_SYNC_DMA_FOR_DEVICE select GENERIC_BUILTIN_DTB select COMMON_CLK --- /dev/null +++ b/arch/openrisc/include/asm/random.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef __ASM_OPENRISC_RANDOM_H +#define __ASM_OPENRISC_RANDOM_H + +#include + +static inline unsigned long random_get_entropy(void) +{ + return get_cycles(); +} + +#endif --- a/arch/openrisc/include/asm/timex.h +++ b/arch/openrisc/include/asm/timex.h @@ -9,13 +9,9 @@ * OpenRISC implementation: * Copyright (C) 2010-2011 Jonas Bonn */ - #ifndef __ASM_OPENRISC_TIMEX_H #define __ASM_OPENRISC_TIMEX_H -#define get_cycles get_cycles - -#include #include #include @@ -23,6 +19,5 @@ static inline cycles_t get_cycles(void) { return mfspr(SPR_TTCR); } -#define get_cycles get_cycles #endif --- a/arch/openrisc/lib/delay.c +++ b/arch/openrisc/lib/delay.c @@ -18,6 +18,7 @@ #include #include +#include #include bool delay_read_timer(unsigned long *timer_value)