{"id":2221864,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2221864/?format=json","web_url":"http://patchwork.ozlabs.org/project/sparclinux/patch/20260410120319.593798781@kernel.org/","project":{"id":10,"url":"http://patchwork.ozlabs.org/api/1.2/projects/10/?format=json","name":"Linux SPARC Development ","link_name":"sparclinux","list_id":"sparclinux.vger.kernel.org","list_email":"sparclinux@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260410120319.593798781@kernel.org>","list_archive_url":null,"date":"2026-04-10T12:20:55","name":"[30/38] openrisc: Select ARCH_HAS_RANDOM_ENTROPY","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"48003914c6bd16af362527c36f7d0c69bc4169f4","submitter":{"id":92397,"url":"http://patchwork.ozlabs.org/api/1.2/people/92397/?format=json","name":"Thomas Gleixner","email":"tglx@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/sparclinux/patch/20260410120319.593798781@kernel.org/mbox/","series":[{"id":499450,"url":"http://patchwork.ozlabs.org/api/1.2/series/499450/?format=json","web_url":"http://patchwork.ozlabs.org/project/sparclinux/list/?series=499450","date":"2026-04-10T12:18:27","name":"treewide: Cleanup LATCH, CLOCK_TICK_RATE and get_cycles() [ab]use","version":1,"mbox":"http://patchwork.ozlabs.org/series/499450/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2221864/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221864/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","sparclinux@vger.kernel.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","patchwork-incoming@ozlabs.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=RmyBeAjX;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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arc=none smtp.client-ip=10.30.226.201"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775823658;\n\tbh=Hb2dziS1cUz3f0ZYnY6mq4QP/VKrKM0StdHMUX+1BaE=;\n\th=Date:From:To:Cc:Subject:References:From;\n\tb=RmyBeAjX6h1L2rIRLcz+AgNEdpyqYQZZkX4kYkgxpR9ZJA0/rvdow263wov/8PVOr\n\t hb2QUP5GwQZouavgtAcs0bwbkCd8TxgfCVh6LWoo2a7HWknstglzPKB+9aabXFzH1J\n\t rP1F6gK8dqeRn0JBTKdTohI1oCqed+5PigWBVmbAA5ah3505CMSHrUL7HPCCN4sGiu\n\t NHT4954Kmifvfva6Jx9l4xaRzDUJEaSzZYxXiP8aChKSe2ykT1tpUU6RYxqauW7DoH\n\t p3wDa9fQGCdDGL4OtStOnSEjWIThdsFEIiYqSYDvCq0zlNoVlLTrCjuWlgc/BYNO1M\n\t 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 ,\n linux-openrisc@vger.kernel.org,\n Arnd Bergmann ,\n x86@kernel.org,\n Lu Baolu ,\n iommu@lists.linux.dev,\n Michael Grzeschik ,\n netdev@vger.kernel.org,\n linux-wireless@vger.kernel.org,\n Herbert Xu ,\n linux-crypto@vger.kernel.org,\n Vlastimil Babka ,\n linux-mm@kvack.org,\n David Woodhouse ,\n Bernie Thompson ,\n linux-fbdev@vger.kernel.org,\n \"Theodore Tso\" ,\n linux-ext4@vger.kernel.org,\n Andrew Morton ,\n Uladzislau Rezki ,\n Marco Elver ,\n Dmitry Vyukov ,\n kasan-dev@googlegroups.com,\n Andrey Ryabinin ,\n Thomas Sailer ,\n linux-hams@vger.kernel.org,\n \"Jason A. Donenfeld\" ,\n Richard Henderson ,\n linux-alpha@vger.kernel.org,\n Russell King ,\n linux-arm-kernel@lists.infradead.org,\n Catalin Marinas ,\n Huacai Chen ,\n loongarch@lists.linux.dev,\n Geert Uytterhoeven ,\n linux-m68k@lists.linux-m68k.org,\n Dinh Nguyen ,\n Helge Deller ,\n linux-parisc@vger.kernel.org,\n Michael Ellerman ,\n linuxppc-dev@lists.ozlabs.org,\n Paul Walmsley ,\n linux-riscv@lists.infradead.org,\n Heiko Carstens ,\n linux-s390@vger.kernel.org,\n \"David S. Miller\" ,\n sparclinux@vger.kernel.org","Subject":"[patch 30/38] openrisc: Select ARCH_HAS_RANDOM_ENTROPY","References":"<20260410120044.031381086@kernel.org>","Precedence":"bulk","X-Mailing-List":"sparclinux@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","X-Spam-Status":"No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org"},"content":"The only remaining non-architecture usage of get_cycles() is to provide\nrandom_get_entropy().\n\nSwitch openrisc over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY\nand providing random_get_entropy() in asm/random.h.\n\nAdd 'asm/timex.h' includes to the relevant files, so the global include can\nbe removed once all architectures are converted over.\n\nSigned-off-by: Thomas Gleixner \nCc: Jonas Bonn \nCc: linux-openrisc@vger.kernel.org\n---\n arch/openrisc/Kconfig | 1 +\n arch/openrisc/include/asm/random.h | 12 ++++++++++++\n arch/openrisc/include/asm/timex.h | 5 -----\n arch/openrisc/lib/delay.c | 1 +\n 4 files changed, 14 insertions(+), 5 deletions(-)","diff":"--- a/arch/openrisc/Kconfig\n+++ b/arch/openrisc/Kconfig\n@@ -10,6 +10,7 @@ config OPENRISC\n \tselect ARCH_HAS_DELAY_TIMER\n \tselect ARCH_HAS_DMA_SET_UNCACHED\n \tselect ARCH_HAS_DMA_CLEAR_UNCACHED\n+\tselect ARCH_HAS_RANDOM_ENTROPY\n \tselect ARCH_HAS_SYNC_DMA_FOR_DEVICE\n \tselect GENERIC_BUILTIN_DTB\n \tselect COMMON_CLK\n--- /dev/null\n+++ b/arch/openrisc/include/asm/random.h\n@@ -0,0 +1,12 @@\n+/* SPDX-License-Identifier: GPL-2.0-or-later */\n+#ifndef __ASM_OPENRISC_RANDOM_H\n+#define __ASM_OPENRISC_RANDOM_H\n+\n+#include \n+\n+static inline unsigned long random_get_entropy(void)\n+{\n+\treturn get_cycles();\n+}\n+\n+#endif\n--- a/arch/openrisc/include/asm/timex.h\n+++ b/arch/openrisc/include/asm/timex.h\n@@ -9,13 +9,9 @@\n * OpenRISC implementation:\n * Copyright (C) 2010-2011 Jonas Bonn \n */\n-\n #ifndef __ASM_OPENRISC_TIMEX_H\n #define __ASM_OPENRISC_TIMEX_H\n \n-#define get_cycles get_cycles\n-\n-#include \n #include \n #include \n \n@@ -23,6 +19,5 @@ static inline cycles_t get_cycles(void)\n {\n \treturn mfspr(SPR_TTCR);\n }\n-#define get_cycles get_cycles\n \n #endif\n--- a/arch/openrisc/lib/delay.c\n+++ b/arch/openrisc/lib/delay.c\n@@ -18,6 +18,7 @@\n #include \n \n #include \n+#include \n #include \n \n bool delay_read_timer(unsigned long *timer_value)\n","prefixes":["30/38"]}