From patchwork Wed Aug 2 03:48:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhu Wang X-Patchwork-Id: 709396 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E975C001DF for ; Wed, 2 Aug 2023 03:49:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229657AbjHBDta (ORCPT ); Tue, 1 Aug 2023 23:49:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229499AbjHBDt2 (ORCPT ); Tue, 1 Aug 2023 23:49:28 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A95CF1BF for ; Tue, 1 Aug 2023 20:49:27 -0700 (PDT) Received: from dggpeml500025.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RFyZ44wghztRVm; Wed, 2 Aug 2023 11:46:04 +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, 2 Aug 2023 11:49:25 +0800 From: Zhu Wang To: , , , , , , , , CC: Subject: [PATCH -next v2] gpio: raspberrypi-exp: remove redundant of_match_ptr() Date: Wed, 2 Aug 2023 11:48:55 +0800 Message-ID: <20230802034855.151866-1-wangzhu9@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.67.174.202] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpeml500025.china.huawei.com (7.185.36.35) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org The driver depends on CONFIG_OF, so it is not necessary to use of_match_ptr() here, and __maybe_unused can also be removed. Even for drivers that do not depend on CONFIG_OF, it's almost always better to leave out the of_match_ptr(), since the only thing it can possibly do is to save a few bytes of .text if a driver can be used both with and without it. Signed-off-by: Zhu Wang Reviewed-by: Andy Shevchenko --- Changes in v2: - Change of_match_ptr to of_match_ptr() in the commit message. --- drivers/gpio/gpio-raspberrypi-exp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-raspberrypi-exp.c b/drivers/gpio/gpio-raspberrypi-exp.c index ecb0d3800dfe..9d1b95e429f1 100644 --- a/drivers/gpio/gpio-raspberrypi-exp.c +++ b/drivers/gpio/gpio-raspberrypi-exp.c @@ -234,7 +234,7 @@ static int rpi_exp_gpio_probe(struct platform_device *pdev) return devm_gpiochip_add_data(dev, &rpi_gpio->gc, rpi_gpio); } -static const struct of_device_id rpi_exp_gpio_ids[] __maybe_unused = { +static const struct of_device_id rpi_exp_gpio_ids[] = { { .compatible = "raspberrypi,firmware-gpio" }, { } }; @@ -243,7 +243,7 @@ MODULE_DEVICE_TABLE(of, rpi_exp_gpio_ids); static struct platform_driver rpi_exp_gpio_driver = { .driver = { .name = MODULE_NAME, - .of_match_table = of_match_ptr(rpi_exp_gpio_ids), + .of_match_table = rpi_exp_gpio_ids, }, .probe = rpi_exp_gpio_probe, };