From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 03 Apr 2024 09:24:16 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rruym-005RPD-1v for lore@lore.pengutronix.de; Wed, 03 Apr 2024 09:24:16 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rruym-0003Ky-0s for lore@pengutronix.de; Wed, 03 Apr 2024 09:24:16 +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=aeyr1UYc93Ew8R7iFxMgzZTEIz9E0UmJExM2wV+VLiI=; b=uGJjfWc91Ux8V9LzKbzt8S58Ni saRM/cs6EVOho6tXY7X2Q/BvL4kuuJWGhGabwpJww47y2Vbd4r+lFRoO8p6dem/SFiprh40bYAPiY 7lmqoE9pVD54DWk5JLBcLlgbGqX6T8pT6w0mu1tJjmPi+SGoxt+gUzl7qNNsedqS5WTEyhFxfj5xQ YbkgOX0sD3wtr/1v4R3hZDRCYdSkAn3Rjs5ujjwuOmxql1g16P17GlS41zpIwIYYPASx4CggdcDV5 wLhNPl/p3RgNWfoC33tGNMKpX7SORzHMmzyIh5ulkjbqxrKenTo6/DYtHNU1dPf+Uz2vb+PMDWdw8 Rm1f9NMA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rruyB-0000000EUKN-1M12; Wed, 03 Apr 2024 07:23:39 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rruy9-0000000EUHe-0xo0 for barebox@lists.infradead.org; Wed, 03 Apr 2024 07:23:38 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rruy6-0002tz-JR; Wed, 03 Apr 2024 09:23:34 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rruy6-00A8GM-77; Wed, 03 Apr 2024 09:23:34 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1rruy6-00BIuc-0Q; Wed, 03 Apr 2024 09:23:34 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Wed, 3 Apr 2024 09:23:32 +0200 Message-Id: <20240403072332.2694292-2-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240403072332.2694292-1-a.fatoum@pengutronix.de> References: <20240403072332.2694292-1-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-20240403_002337_362008_113396E5 X-CRM114-Status: UNSURE ( 8.23 ) 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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.1 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 2/2] include: is_defined: implement __if_defined helper X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) This is useful when preprocessing non-C code that lacks an if statement equivalent. For example, external device tree fragments can now specify: #include __if_defined(bcm2711_rpi_4_dts, &emmc2, &sdhost) { instead of having to use the more verbose #ifdef: #ifdef bcm2711_rpi_4_dts &emmc2 { #else &sdhost { #endif Signed-off-by: Ahmad Fatoum --- include/linux/is_defined.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/is_defined.h b/include/linux/is_defined.h index d68f8e877f9b..bfefca033f70 100644 --- a/include/linux/is_defined.h +++ b/include/linux/is_defined.h @@ -34,4 +34,10 @@ #define ___is_defined(val) ____is_defined(__ARG_PLACEHOLDER_##val) #define ____is_defined(arg1_or_junk) __take_second_arg(arg1_or_junk 1, 0) +#define __if_defined(x, a, b) ___if_defined(__is_defined(x), a, b) +#define ___if_defined(val, a, b) ____if_defined(val, a, b) +#define ____if_defined(val, a, b) ____if_defined_##val(a, b) +#define ____if_defined_1(a, b) a +#define ____if_defined_0(a, b) b + #endif -- 2.39.2