From patchwork Wed Jul 26 10:06:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: wangzhu X-Patchwork-Id: 13329013 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 819B7C0015E for ; Thu, 27 Jul 2023 07:12:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BD37510E50D; Thu, 27 Jul 2023 07:12:05 +0000 (UTC) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by gabe.freedesktop.org (Postfix) with ESMTPS id 16C5D10E44D for ; Wed, 26 Jul 2023 10:24:12 +0000 (UTC) Received: from dggpeml500025.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4R9qH707gKztRSb; Wed, 26 Jul 2023 18:03:47 +0800 (CST) Received: from ubuntu1804.huawei.com (10.67.174.202) by dggpeml500025.china.huawei.com (7.185.36.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 26 Jul 2023 18:07:01 +0800 From: Zhu Wang To: , , , , , , , , , , , , , , , , , Subject: [PATCH -next] drm/bridge: fix -Wunused-const-variable= warning Date: Wed, 26 Jul 2023 18:06:26 +0800 Message-ID: <20230726100626.167490-1-wangzhu9@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.67.174.202] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500025.china.huawei.com (7.185.36.35) X-CFilter-Loop: Reflected X-Mailman-Approved-At: Thu, 27 Jul 2023 07:11:21 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wangzhu9@huawei.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" When building with W=1, the following warning occurs. drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c:48:17: warning: ‘anx781x_i2c_addresses’ defined but not used [-Wunused-const-variable=] static const u8 anx781x_i2c_addresses[] = { ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c:40:17: warning: ‘anx7808_i2c_addresses’ defined but not used [-Wunused-const-variable=] static const u8 anx7808_i2c_addresses[] = { The definition of above two data variables is included by the macro CONFIG_OF, so we also include the data variable definitions in the macro CONFIG_OF. And in addition the data variable anx78xx_match_table is included in the macro CONFIG_OF, so we add CONFIG_OF to the place where it is used. Fixes: 5d97408e0d70 ("drm/bridge: move ANA78xx driver to analogix subdirectory") Signed-off-by: Zhu Wang --- drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c index 06a3e3243e19..799b33cebdd5 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c @@ -37,6 +37,7 @@ #define XTAL_CLK 270 /* 27M */ +#if IS_ENABLED(CONFIG_OF) static const u8 anx7808_i2c_addresses[] = { [I2C_IDX_TX_P0] = 0x78, [I2C_IDX_TX_P1] = 0x7a, @@ -52,6 +53,7 @@ static const u8 anx781x_i2c_addresses[] = { [I2C_IDX_RX_P0] = 0x7e, [I2C_IDX_RX_P1] = 0x80, }; +#endif struct anx78xx_platform_data { struct regulator *dvdd10; @@ -1387,7 +1389,9 @@ MODULE_DEVICE_TABLE(of, anx78xx_match_table); static struct i2c_driver anx78xx_driver = { .driver = { .name = "anx7814", +#if IS_ENABLED(CONFIG_OF) .of_match_table = of_match_ptr(anx78xx_match_table), +#endif }, .probe = anx78xx_i2c_probe, .remove = anx78xx_i2c_remove,