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Miller" , sparclinux@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 , Jonas Bonn , linux-openrisc@vger.kernel.org, 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 Subject: [patch 36/38] sparc: Select ARCH_HAS_RANDOM_ENTROPY for SPARC64 References: <20260410120044.031381086@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 The only remaining usage of get_cycles() is to provide random_get_entropy(). Switch sparc over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY and providing random_get_entropy() in asm/random.h. Remove asm/timex*.h as it has no functionality anymore. Signed-off-by: Thomas Gleixner Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org --- arch/sparc/Kconfig | 1 + arch/sparc/include/asm/random.h | 15 +++++++++++++++ arch/sparc/include/asm/timex.h | 9 --------- arch/sparc/include/asm/timex_64.h | 15 --------------- arch/sparc/kernel/pcic.c | 1 - arch/sparc/kernel/time_32.c | 1 - arch/sparc/vdso/vclock_gettime.c | 1 - 7 files changed, 16 insertions(+), 27 deletions(-) --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -71,6 +71,7 @@ config SPARC64 def_bool 64BIT select ALTERNATE_USER_ADDRESS_SPACE select ARCH_HAS_DELAY_TIMER + select ARCH_HAS_RANDOM_ENTROPY select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_KRETPROBES --- /dev/null +++ b/arch/sparc/include/asm/random.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _ASMsparc_RANDOM_H +#define _ASMsparc_RANDOM_H + +#if defined(__sparc__) && defined(__arch64__) + +#include + +static inline unsigned long random_get_entropy(void) +{ + return tick_ops->get_tick(); +} + +#endif +#endif --- a/arch/sparc/include/asm/timex.h +++ /dev/null @@ -1,9 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef ___ASM_SPARC_TIMEX_H -#define ___ASM_SPARC_TIMEX_H -#if defined(__sparc__) && defined(__arch64__) -#include -#else -#include -#endif -#endif --- a/arch/sparc/include/asm/timex_64.h +++ b/arch/sparc/include/asm/timex_64.h @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * linux/include/asm/timex.h - * - * sparc64 architecture timex specifications - */ -#ifndef _ASMsparc64_TIMEX_H -#define _ASMsparc64_TIMEX_H - -#include - -/* Getting on the cycle counter on sparc64. */ -#define get_cycles() tick_ops->get_tick() - -#endif --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -33,7 +33,6 @@ #include #include #include -#include #include #include #include --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -37,7 +37,6 @@ #include #include -#include #include #include #include --- a/arch/sparc/vdso/vclock_gettime.c +++ b/arch/sparc/vdso/vclock_gettime.c @@ -17,7 +17,6 @@ #include #include #include -#include #include #include