From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 07 Nov 2022 16:01:57 +0100 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 1os3dN-000W4D-H1 for lore@lore.pengutronix.de; Mon, 07 Nov 2022 16:01:57 +0100 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 1os3dL-0007Wq-W1 for lore@pengutronix.de; Mon, 07 Nov 2022 16:01:56 +0100 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:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UJdvyPw8J07Q2Q/6y9EBF7jmBjfUGJZ741A2xhp1XwA=; b=T1vGQIGHUnHrgC+u9xarP9EF9v S56k9QlaKiIlRIEqK3/ILK0G5GkeNLzuFefN17vycAqdcn2i1AnVhcuYvZ8JyVrhv/LK8AmrOz8Cx pxKKx1yuSK405pm9NVrsDQjBqvhVskmss8KiGA9DmIW3zsfKSKbkmG2cwNz43CCKHFdVahw0oHVhq XYnuNN9ihtRNiIX/XQu2CWUZ2nEF/TnBbskUeDHhrmNs3ycImlV2RZONfg3C4fTjmGBQ46POmKEST FTWa3qdbkUj7XxjtDCAMj4zQXMU8ySr5WmxcFTZqXA4TtVDtPEM80FkLnlJnf1XVpWpxVzan1BqjD vYxJuhBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1os3bm-00FTEh-TH; Mon, 07 Nov 2022 15:00:19 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1os3NT-00FKtv-N8 for barebox@lists.infradead.org; Mon, 07 Nov 2022 14:45:34 +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 1os3NP-00037d-PI; Mon, 07 Nov 2022 15:45:27 +0100 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1os3NO-002sI6-4t; Mon, 07 Nov 2022 15:45:27 +0100 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1os3NO-0023fL-3d; Mon, 07 Nov 2022 15:45:26 +0100 From: Sascha Hauer To: Barebox List Date: Mon, 7 Nov 2022 15:45:23 +0100 Message-Id: <20221107144524.489471-4-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221107144524.489471-1-s.hauer@pengutronix.de> References: <20221107144524.489471-1-s.hauer@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-20221107_064531_813808_5AAF5980 X-CRM114-Status: GOOD ( 11.05 ) 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=-4.9 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 autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 3/4] bitops: implement assign_bit() 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) assign_bit() is a useful shortcut to if (foo) set_bit(); else clear_bit(); Signed-off-by: Sascha Hauer --- include/linux/bitops.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 84161e43a3..eb5ff37f2f 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -194,6 +194,20 @@ static inline unsigned long __ffs64(u64 word) return __ffs((unsigned long)word); } +/** + * assign_bit - Assign value to a bit in memory + * @nr: the bit to set + * @addr: the address to start counting from + * @value: the value to assign + */ +static inline void assign_bit(long nr, volatile unsigned long *addr, bool value) +{ + if (value) + set_bit(nr, addr); + else + clear_bit(nr, addr); +} + #ifdef __KERNEL__ #ifndef set_mask_bits -- 2.30.2