{"id":2221910,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2221910/?format=json","web_url":"http://patchwork.ozlabs.org/project/sparclinux/patch/20260410120319.397219631@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":"<20260410120319.397219631@kernel.org>","list_archive_url":null,"date":"2026-04-10T12:20:40","name":"[27/38] m68k: Select ARCH_HAS_RANDOM_ENTROPY","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"fb0901fdf2fc2000ff602a476f50966c172d0682","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/20260410120319.397219631@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/2221910/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221910/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=aKc8BIj0;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=150.107.74.76; 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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=1775823643;\n\tbh=ZI1DuZTKY+73ZiUZu5YDxjD9E28Vsj2HJPMLgb9lTAs=;\n\th=Date:From:To:Cc:Subject:References:From;\n\tb=aKc8BIj04xl8fMPMfIdxvFnc9Be7sg+HcqnW4NP8XAVA8CoHWWZUH1TGoEDd3vKKD\n\t FNpRo6Iom4qBRwumLXapTj7hfgRDejsC7j6E+L/Vx4C85D2LE1/deOAcMcctONxvIo\n\t HMR5AMjZPk8wC2GcrGQEDXlt0rYZP0bNeTIqA2wyhnF5OK38Pv/q09G+oh4E6MeUyG\n\t /IRrdxDk2wKuJ9eIif/wOJjQhHy2AsumkYu8PWY0TnTc6wXQmoLW+lJrShxrt0E6Gb\n\t m+nyDRqFv+r0pZBlp7wkM/XjcKkMGym/WCszxlys26yMLXsGUqt11/GgfHwii1mXtv\n\t FSYiSRKkHgM1Q==","Date":"Fri, 10 Apr 2026 14:20:40 +0200","Message-ID":"<20260410120319.397219631@kernel.org>","User-Agent":"quilt/0.68","From":"Thomas Gleixner ","To":"LKML ","Cc":"Geert Uytterhoeven ,\n linux-m68k@lists.linux-m68k.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 Dinh Nguyen ,\n Jonas Bonn ,\n linux-openrisc@vger.kernel.org,\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 27/38] m68k: 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 usage of get_cycles() is to provide\nrandom_get_entropy().\n\nSwitch m68k over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY and\nproviding random_get_entropy() in asm/random.h.\n\nRemove asm/timex.h as it has no functionality anymore.\n\nSigned-off-by: Thomas Gleixner \nCc: Geert Uytterhoeven \nCc: linux-m68k@lists.linux-m68k.org\n---\n arch/m68k/Kconfig | 1 +\n arch/m68k/amiga/config.c | 1 +\n arch/m68k/include/asm/random.h | 14 ++++++++++++++\n arch/m68k/include/asm/timex.h | 25 -------------------------\n arch/m68k/kernel/time.c | 2 +-\n 5 files changed, 17 insertions(+), 26 deletions(-)","diff":"--- a/arch/m68k/Kconfig\n+++ b/arch/m68k/Kconfig\n@@ -8,6 +8,7 @@ config M68K\n \tselect ARCH_HAS_CPU_FINALIZE_INIT if MMU\n \tselect ARCH_HAS_CURRENT_STACK_POINTER\n \tselect ARCH_HAS_DMA_PREP_COHERENT if M68K_NONCOHERENT_DMA && !COLDFIRE\n+\tselect ARCH_HAS_RANDOM_ENTROPY\n \tselect ARCH_HAS_SYNC_DMA_FOR_DEVICE if M68K_NONCOHERENT_DMA\n \tselect ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS\n \tselect ARCH_MIGHT_HAVE_PC_PARPORT if ISA\n--- a/arch/m68k/amiga/config.c\n+++ b/arch/m68k/amiga/config.c\n@@ -36,6 +36,7 @@\n #include \n #include \n #include \n+#include \n \n #include \"amiga.h\"\n \n--- /dev/null\n+++ b/arch/m68k/include/asm/random.h\n@@ -0,0 +1,14 @@\n+/* SPDX-License-Identifier: GPL-2.0 */\n+#ifndef _ASMm68K_RANDOM_H\n+#define _ASMm68K_RANDOM_H\n+\n+extern unsigned long (*mach_random_get_entropy)(void);\n+\n+static inline unsigned long random_get_entropy(void)\n+{\n+\tif (mach_random_get_entropy)\n+\t\treturn mach_random_get_entropy();\n+\treturn random_get_entropy_fallback();\n+}\n+\n+#endif\n--- a/arch/m68k/include/asm/timex.h\n+++ /dev/null\n@@ -1,25 +0,0 @@\n-/* SPDX-License-Identifier: GPL-2.0 */\n-/*\n- * linux/include/asm-m68k/timex.h\n- *\n- * m68k architecture timex specifications\n- */\n-#ifndef _ASMm68K_TIMEX_H\n-#define _ASMm68K_TIMEX_H\n-\n-static inline cycles_t get_cycles(void)\n-{\n-\treturn 0;\n-}\n-\n-extern unsigned long (*mach_random_get_entropy)(void);\n-\n-static inline unsigned long random_get_entropy(void)\n-{\n-\tif (mach_random_get_entropy)\n-\t\treturn mach_random_get_entropy();\n-\treturn random_get_entropy_fallback();\n-}\n-#define random_get_entropy\trandom_get_entropy\n-\n-#endif\n--- a/arch/m68k/kernel/time.c\n+++ b/arch/m68k/kernel/time.c\n@@ -26,12 +26,12 @@\n #include \n #include \n #include \n+#include \n \n #include \n #include \n #include \n \n-\n unsigned long (*mach_random_get_entropy)(void);\n EXPORT_SYMBOL_GPL(mach_random_get_entropy);\n \n","prefixes":["27/38"]}