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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> 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 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)