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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, 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, "David S. Miller" , sparclinux@vger.kernel.org Subject: [patch 27/38] m68k: Select ARCH_HAS_RANDOM_ENTROPY References: <20260410120044.031381086@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Rspamd-Queue-Id: 532D5A0013 X-Stat-Signature: 1zowjkdqfcyn7d5wmbuf8kmqxqtcsxxw X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1775823644-53925 X-HE-Meta: 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 APWaEMFK 88amMOUaFBfcOGGmoNOhj5V6dR65nDumukiUdlRibhJFqy3t8yj7E2VaL5VXx4H+nMm+YrmjGcrifzSL0aM77Zl26FSG6YOdYgwGfxhJWE70yotEt+j86DDnMjvJXYIcMf9zHuQ6Ov5waXgaZpX77X5nClmM8BtAcYmYYTJJCoiMbSVHAVYv2GrOMsZ8sG5Z5Sm4XMA7VICv5yJtxzCDS8ohiv+oYkItnzpQX9Hm3B7gpBNAtp2pTqL2st6AbRad/8Xa7vEthiwaoU8p+S/PETEkeNLNgCAfnVAKqmaXCB6+ZFF/YCh9DOJsLZlZvv2BoaZX81uPx8lBFVY9XLElxDy9cxp+gd2EWqTG1H6qNisC6qLrxzTL1ibAxfqhSJaCr8WX46OAHd5LBb5mmjKHg94ZerpmtT+cUesFxhVQNPX8ewkNTYx5kaAP0kUqf6FZFRsqkTRXVOMocRvc= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The only remaining usage of get_cycles() is to provide random_get_entropy(). Switch m68k 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: Geert Uytterhoeven Cc: linux-m68k@lists.linux-m68k.org --- arch/m68k/Kconfig | 1 + arch/m68k/amiga/config.c | 1 + arch/m68k/include/asm/random.h | 14 ++++++++++++++ arch/m68k/include/asm/timex.h | 25 ------------------------- arch/m68k/kernel/time.c | 2 +- 5 files changed, 17 insertions(+), 26 deletions(-) --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -8,6 +8,7 @@ config M68K select ARCH_HAS_CPU_FINALIZE_INIT if MMU select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_HAS_DMA_PREP_COHERENT if M68K_NONCOHERENT_DMA && !COLDFIRE + select ARCH_HAS_RANDOM_ENTROPY select ARCH_HAS_SYNC_DMA_FOR_DEVICE if M68K_NONCOHERENT_DMA select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS select ARCH_MIGHT_HAVE_PC_PARPORT if ISA --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -36,6 +36,7 @@ #include #include #include +#include #include "amiga.h" --- /dev/null +++ b/arch/m68k/include/asm/random.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASMm68K_RANDOM_H +#define _ASMm68K_RANDOM_H + +extern unsigned long (*mach_random_get_entropy)(void); + +static inline unsigned long random_get_entropy(void) +{ + if (mach_random_get_entropy) + return mach_random_get_entropy(); + return random_get_entropy_fallback(); +} + +#endif --- a/arch/m68k/include/asm/timex.h +++ /dev/null @@ -1,25 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * linux/include/asm-m68k/timex.h - * - * m68k architecture timex specifications - */ -#ifndef _ASMm68K_TIMEX_H -#define _ASMm68K_TIMEX_H - -static inline cycles_t get_cycles(void) -{ - return 0; -} - -extern unsigned long (*mach_random_get_entropy)(void); - -static inline unsigned long random_get_entropy(void) -{ - if (mach_random_get_entropy) - return mach_random_get_entropy(); - return random_get_entropy_fallback(); -} -#define random_get_entropy random_get_entropy - -#endif --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -26,12 +26,12 @@ #include #include #include +#include #include #include #include - unsigned long (*mach_random_get_entropy)(void); EXPORT_SYMBOL_GPL(mach_random_get_entropy);