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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 , Jonas Bonn , linux-openrisc@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 31/38] parisc: 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 parisc 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: Helge Deller Cc: linux-parisc@vger.kernel.org --- arch/parisc/Kconfig | 1 + arch/parisc/include/asm/random.h | 12 ++++++++++++ arch/parisc/include/asm/timex.h | 6 ------ arch/parisc/kernel/processor.c | 1 + arch/parisc/kernel/time.c | 1 + 5 files changed, 15 insertions(+), 6 deletions(-) --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -16,6 +16,7 @@ config PARISC select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_UBSAN select ARCH_HAS_PTE_SPECIAL + select ARCH_HAS_RANDOM_ENTROPY select ARCH_NO_SG_CHAIN select ARCH_SPLIT_ARG64 if !64BIT select ARCH_SUPPORTS_HUGETLBFS if PA20 --- /dev/null +++ b/arch/parisc/include/asm/random.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASMPARISC_RANDOM_H +#define _ASMPARISC_RANDOM_H + +#include + +static inline unsigned long random_get_entropy(void) +{ + return get_cycles(); +} + +#endif --- a/arch/parisc/include/asm/timex.h +++ b/arch/parisc/include/asm/timex.h @@ -1,9 +1,4 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* - * linux/include/asm-parisc/timex.h - * - * PARISC architecture timex specifications - */ #ifndef _ASMPARISC_TIMEX_H #define _ASMPARISC_TIMEX_H @@ -13,6 +8,5 @@ static inline cycles_t get_cycles(void) { return mfctl(16); } -#define get_cycles get_cycles #endif --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -30,6 +30,7 @@ #include #include /* for struct irq_region */ #include +#include struct system_cpuinfo_parisc boot_cpu_data __ro_after_init; EXPORT_SYMBOL(boot_cpu_data); --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -17,6 +17,7 @@ #include #include #include +#include static u64 cr16_clock_freq; static unsigned long clocktick;