From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 21 Apr 2023 12:08:38 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ppngz-00BPT7-Kv for lore@lore.pengutronix.de; Fri, 21 Apr 2023 12:08:38 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ppngz-0001Uh-Bl for lore@pengutronix.de; Fri, 21 Apr 2023 12:08:37 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=wWW7H4IRe1MutStN6OFIluEF/ae13q1sn6y4LnCEMVA=; b=nBpaks+RHfuG7Ui+/ZUpGjYkWh WHy72qTYpnJrmxsgZy2aogoCK9s6gAgUTwE+CqIpXcNFEkxlIh4uMqdoXupDYV95efTMuw02YQfxX /JNWClW20EB09GTZQzG4Y+TIbZc9oMNoM153Jrm6ju8zp5lJOr/oDWl2Gya9a/7aatLfjkSix7yQB +gTwkmJrD6vEo3Z05ysK/fXtCFpLIrGq4Hx28vY2MpjqAp6A9ZLEU3BW8qOlmt2VMagFW/yHvK+O2 8HbzSysP4mcXRlRyu/6c7QUnAvipPxaxmMp9LWcBAc3GlK0VA7GrTzJahhAyBsvec2TM6r40VGs7r 8+5qiEdg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1ppnfh-00AQ3i-2J; Fri, 21 Apr 2023 10:07:17 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1ppnfd-00AQ1Z-0w for barebox@lists.infradead.org; Fri, 21 Apr 2023 10:07:15 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ppnfa-00010z-Jl; Fri, 21 Apr 2023 12:07:10 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1ppnfZ-00ClhW-U0; Fri, 21 Apr 2023 12:07:09 +0200 Received: from afa by dude05.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1ppnfY-00C2OJ-H3; Fri, 21 Apr 2023 12:07:08 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Fri, 21 Apr 2023 12:06:38 +0200 Message-Id: <20230421100642.2867651-2-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230421100642.2867651-1-a.fatoum@pengutronix.de> References: <20230421100642.2867651-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230421_030713_367942_F3F68ACC X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.8 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 1/5] asm-generic: atomic: implement atomic_inc/dec_return stubs X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) We don't have forced preemption in barebox, so we can implement these functions with normal increment/decrement operators. Signed-off-by: Ahmad Fatoum --- include/asm-generic/atomic.h | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h index 6e63b8e8e7b9..45fc5da57594 100644 --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h @@ -77,16 +77,19 @@ static inline void atomic_sub(int i, volatile atomic_t *v) v->counter -= i; } -static inline void atomic_inc(volatile atomic_t *v) +static inline int atomic_inc_return(volatile atomic_t *v) { - v->counter += 1; + return ++v->counter; } -static inline void atomic_dec(volatile atomic_t *v) +static inline int atomic_dec_return(volatile atomic_t *v) { - v->counter -= 1; + return --v->counter; } +#define atomic_inc(v) ((void)atomic_inc_return(v)) +#define atomic_dec(v) ((void)atomic_dec_return(v)) + static inline int atomic_dec_and_test(volatile atomic_t *v) { int val; -- 2.39.2