Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753469AbbBSTb1 (ORCPT ); Thu, 19 Feb 2015 14:31:27 -0500 Received: from mail-la0-f52.google.com ([209.85.215.52]:34463 "EHLO mail-la0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753364AbbBSTbX (ORCPT ); Thu, 19 Feb 2015 14:31:23 -0500 From: Rabin Vincent To: jesper.nilsson@axis.com Cc: linux-cris-kernel@axis.com, linux-kernel@vger.kernel.org, Rabin Vincent Subject: [PATCH 4/6] CRIS: use generic atomic.h Date: Thu, 19 Feb 2015 20:29:54 +0100 Message-Id: <1424374196-4954-4-git-send-email-rabin@rab.in> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1424374196-4954-1-git-send-email-rabin@rab.in> References: <1424374196-4954-1-git-send-email-rabin@rab.in> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5548 Lines: 213 CRIS can use asm-generic's atomic.h. Signed-off-by: Rabin Vincent --- arch/cris/include/arch-v10/arch/atomic.h | 7 -- arch/cris/include/arch-v32/arch/atomic.h | 8 -- arch/cris/include/asm/Kbuild | 2 +- arch/cris/include/asm/atomic.h | 149 ------------------------------- 4 files changed, 1 insertion(+), 165 deletions(-) delete mode 100644 arch/cris/include/arch-v10/arch/atomic.h delete mode 100644 arch/cris/include/arch-v32/arch/atomic.h delete mode 100644 arch/cris/include/asm/atomic.h diff --git a/arch/cris/include/arch-v10/arch/atomic.h b/arch/cris/include/arch-v10/arch/atomic.h deleted file mode 100644 index 6ef5e7d..0000000 --- a/arch/cris/include/arch-v10/arch/atomic.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __ASM_CRIS_ARCH_ATOMIC__ -#define __ASM_CRIS_ARCH_ATOMIC__ - -#define cris_atomic_save(addr, flags) local_irq_save(flags); -#define cris_atomic_restore(addr, flags) local_irq_restore(flags); - -#endif diff --git a/arch/cris/include/arch-v32/arch/atomic.h b/arch/cris/include/arch-v32/arch/atomic.h deleted file mode 100644 index 9c7d105..0000000 --- a/arch/cris/include/arch-v32/arch/atomic.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef __ASM_CRIS_ARCH_ATOMIC__ -#define __ASM_CRIS_ARCH_ATOMIC__ - -#define cris_atomic_save(addr, flags) local_irq_save(flags); -#define cris_atomic_restore(addr, flags) local_irq_restore(flags); - -#endif - diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index 889f2de..2f2787e 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -1,4 +1,4 @@ - +generic-y += atomic.h generic-y += barrier.h generic-y += clkdev.h generic-y += cputime.h diff --git a/arch/cris/include/asm/atomic.h b/arch/cris/include/asm/atomic.h deleted file mode 100644 index 279766a..0000000 --- a/arch/cris/include/asm/atomic.h +++ /dev/null @@ -1,149 +0,0 @@ -/* $Id: atomic.h,v 1.3 2001/07/25 16:15:19 bjornw Exp $ */ - -#ifndef __ASM_CRIS_ATOMIC__ -#define __ASM_CRIS_ATOMIC__ - -#include -#include -#include -#include -#include -#include - -/* - * Atomic operations that C can't guarantee us. Useful for - * resource counting etc.. - */ - -#define ATOMIC_INIT(i) { (i) } - -#define atomic_read(v) ACCESS_ONCE((v)->counter) -#define atomic_set(v,i) (((v)->counter) = (i)) - -/* These should be written in asm but we do it in C for now. */ - -#define ATOMIC_OP(op, c_op) \ -static inline void atomic_##op(int i, volatile atomic_t *v) \ -{ \ - unsigned long flags; \ - cris_atomic_save(v, flags); \ - v->counter c_op i; \ - cris_atomic_restore(v, flags); \ -} \ - -#define ATOMIC_OP_RETURN(op, c_op) \ -static inline int atomic_##op##_return(int i, volatile atomic_t *v) \ -{ \ - unsigned long flags; \ - int retval; \ - cris_atomic_save(v, flags); \ - retval = (v->counter c_op i); \ - cris_atomic_restore(v, flags); \ - return retval; \ -} - -#define ATOMIC_OPS(op, c_op) ATOMIC_OP(op, c_op) ATOMIC_OP_RETURN(op, c_op) - -ATOMIC_OPS(add, +=) -ATOMIC_OPS(sub, -=) - -#undef ATOMIC_OPS -#undef ATOMIC_OP_RETURN -#undef ATOMIC_OP - -#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) - -static inline int atomic_sub_and_test(int i, volatile atomic_t *v) -{ - int retval; - unsigned long flags; - cris_atomic_save(v, flags); - retval = (v->counter -= i) == 0; - cris_atomic_restore(v, flags); - return retval; -} - -static inline void atomic_inc(volatile atomic_t *v) -{ - unsigned long flags; - cris_atomic_save(v, flags); - (v->counter)++; - cris_atomic_restore(v, flags); -} - -static inline void atomic_dec(volatile atomic_t *v) -{ - unsigned long flags; - cris_atomic_save(v, flags); - (v->counter)--; - cris_atomic_restore(v, flags); -} - -static inline int atomic_inc_return(volatile atomic_t *v) -{ - unsigned long flags; - int retval; - cris_atomic_save(v, flags); - retval = ++(v->counter); - cris_atomic_restore(v, flags); - return retval; -} - -static inline int atomic_dec_return(volatile atomic_t *v) -{ - unsigned long flags; - int retval; - cris_atomic_save(v, flags); - retval = --(v->counter); - cris_atomic_restore(v, flags); - return retval; -} -static inline int atomic_dec_and_test(volatile atomic_t *v) -{ - int retval; - unsigned long flags; - cris_atomic_save(v, flags); - retval = --(v->counter) == 0; - cris_atomic_restore(v, flags); - return retval; -} - -static inline int atomic_inc_and_test(volatile atomic_t *v) -{ - int retval; - unsigned long flags; - cris_atomic_save(v, flags); - retval = ++(v->counter) == 0; - cris_atomic_restore(v, flags); - return retval; -} - -static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -{ - int ret; - unsigned long flags; - - cris_atomic_save(v, flags); - ret = v->counter; - if (likely(ret == old)) - v->counter = new; - cris_atomic_restore(v, flags); - return ret; -} - -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -static inline int __atomic_add_unless(atomic_t *v, int a, int u) -{ - int ret; - unsigned long flags; - - cris_atomic_save(v, flags); - ret = v->counter; - if (ret != u) - v->counter += a; - cris_atomic_restore(v, flags); - return ret; -} - -#endif -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/