From patchwork Sun Mar 12 15:34:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 68367 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp770374wrd; Sun, 12 Mar 2023 08:48:19 -0700 (PDT) X-Google-Smtp-Source: AK7set+fxj4OfN0qfttNUtNVS1gIfcX1Hg9HJi6Lf0M12y+X9tLydltLKGT7tx91cP/KA7nQUa3U X-Received: by 2002:a17:903:283:b0:19f:2ae8:54b9 with SMTP id j3-20020a170903028300b0019f2ae854b9mr5440940plr.32.1678636099347; Sun, 12 Mar 2023 08:48:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1678636099; cv=none; d=google.com; s=arc-20160816; b=NXA0ujSZd+/lRlX3stEdpTNwghy2BKk6J5iLqahrWece9nH8+eFhw56yOXbyO7A4Oh VLJXk3w+bbHdKDIaqVk2gairrpXjBkcShfSewz/yF6ywtELYY910xqT91upqlUPGx2+H JOxuTjJPzcJZT6S8FTZ1XKGQIkA4koJcqOnTC43n6WJKjfqXTEwZdnLmfFH80Q2jr6My qD72l5lk/66q6Ay5q9ibvvOoPMiKGWTCa6msjQEBh5GDwFecNyExaDc8j57rXyP6k3iZ w+yciiH8i5V42U/7VMlrJogvg/4g7UPQ5/i6rEWaaMKR3aJPioWuFJDgKcoGA0Av+pEk q5Eg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=ksvn1qLyFWFuPBY6uKwSYze+p9CmBi8BDb68DqvsMsE=; b=IzLEUzzddLXPWgRmMZi3Y29UkjLglJRbfUx5BrD0RIIDGndmxhMLpt0K7OnKMTn6kQ jbW0k+sOyjK3/vB7HWivwdC2yFZmx8DNIPyZBPsWUtc8NtCsFXs6xTD/WNpGVH+xB8Jz zVdKK1XJtvouZOdicYIYKuaMvKHZJn88PqH4UEPCQugvqwxsvL01I6dBJ59BA/zJnERW A7Rf6fUSOAsIA/3rw34jR7TAGbR5TzqW1qX6G+PkIPpI5bpAOYPFDMyPh2wq6M6zdaED l7bwCg2qQZqu2DqWQ/xlsasEzGOj805BD6F0YUVQtQd5PEYhF1zWHKgu6ohlRPUBaQHZ P3Hw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=zMvjqsjY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id jl17-20020a170903135100b0019ac00d1874si4651089plb.81.2023.03.12.08.48.04; Sun, 12 Mar 2023 08:48:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=zMvjqsjY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229743AbjCLPeg (ORCPT + 99 others); Sun, 12 Mar 2023 11:34:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229494AbjCLPee (ORCPT ); Sun, 12 Mar 2023 11:34:34 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A97A16EA9 for ; Sun, 12 Mar 2023 08:34:33 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id ek18so8132324edb.6 for ; Sun, 12 Mar 2023 08:34:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678635272; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=ksvn1qLyFWFuPBY6uKwSYze+p9CmBi8BDb68DqvsMsE=; b=zMvjqsjYAeUA+vFEKA2/S732aWQkr7mHojBdCbfp/P5tAsIjgg263Mt5bn49sSZBb7 rGG/9cDUlNCf2mNlK5HFAS7wmKZJKWNY3mPm0nGZQg+DywTeXevUP/PLnDpf1GNnX/U6 XnxuMLELqmdZkD5saATcNR2nAKYbzQjGYyj/K0jnSfmmfaTqxWKGLX/tiqZ6rQJkfbln 3Uc080pwtvAvkd4P+a6XFK5qn43ieR6RzIhSJQPJbLYchWsUgzYtmwS13oq73r0SnZkI zCYhvu+cuelx4XbGAbNynjlfWd6nK8umC2+1NZzP7hMSj/vYvi94ehBepn2ua80hPJmR w6aw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678635272; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ksvn1qLyFWFuPBY6uKwSYze+p9CmBi8BDb68DqvsMsE=; b=NFmpuySeJIHNrKiIIgaUWZl9WfPRln2LEKMkLZQjN0ix7wOu33hqq+ZBdGg0kqn6Rk VjEN10hvzJsPgYeiz1LzX5fH7Ic8X277wF0LKM09iPfe6sl5Zd9S9/8faqvDVvnYBXL1 XDcMLalBtf3i5uUt8gNArlrYFsUZG0EEWPzLNt1+rB+RC45TG0X2GT7ubwErHA2cS95W ypqy8ofaFzzz1f7A5L7AjTUnvXzXBn0RbNNOTKkqlQM9bX7BDrA675gcAZKMCGqxw4y9 WkMeooBcStqCPpKinRj/zaKbiONk2RdTTnaoXMkr0PiOqjqYQ4TxgStHHGznBxUcisME w1bw== X-Gm-Message-State: AO0yUKWWlCVD9tNf8CubgNOrYel3E1wbQtSlN+CDIYKUJ2+KhQmhyLF8 533n0q/CE0/239mzjzMN3CScjg== X-Received: by 2002:a17:907:8746:b0:8b1:7fe9:162e with SMTP id qo6-20020a170907874600b008b17fe9162emr35320405ejc.47.1678635272168; Sun, 12 Mar 2023 08:34:32 -0700 (PDT) Received: from krzk-bin.. ([2a02:810d:15c0:828:d9f6:3e61:beeb:295a]) by smtp.gmail.com with ESMTPSA id z2-20020a170906668200b008e0bb004976sm2312723ejo.134.2023.03.12.08.34.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Mar 2023 08:34:31 -0700 (PDT) From: Krzysztof Kozlowski To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Robert Eshleman , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH v2 1/3] iio: dac: ad5755: mark OF related data as maybe unused Date: Sun, 12 Mar 2023 16:34:27 +0100 Message-Id: <20230312153429.371702-1-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760070742661221446?= X-GMAIL-MSGID: =?utf-8?q?1760177526537491870?= The driver can be compile tested with !CONFIG_OF making certain data unused (of_device_id is not used for device matching): drivers/iio/dac/ad5755.c:865:34: error: ‘ad5755_of_match’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski --- Changes since v1: 1. None. Although Jonathan expressed need of changes here, they are a bit too invasive for me thus I am resending it only for completeness. I understand therefore that patch might not be accepted. --- drivers/iio/dac/ad5755.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c index beadfa938d2d..a6dc8a0bfc29 100644 --- a/drivers/iio/dac/ad5755.c +++ b/drivers/iio/dac/ad5755.c @@ -862,7 +862,7 @@ static const struct spi_device_id ad5755_id[] = { }; MODULE_DEVICE_TABLE(spi, ad5755_id); -static const struct of_device_id ad5755_of_match[] = { +static const struct of_device_id ad5755_of_match[] __maybe_unused = { { .compatible = "adi,ad5755" }, { .compatible = "adi,ad5755-1" }, { .compatible = "adi,ad5757" },