From patchwork Tue Aug 20 01:40:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Shih X-Patchwork-Id: 1149707 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46CD6c5bcYz9sML for ; Tue, 20 Aug 2019 11:41:44 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728627AbfHTBlo (ORCPT ); Mon, 19 Aug 2019 21:41:44 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:10618 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728965AbfHTBlo (ORCPT ); Mon, 19 Aug 2019 21:41:44 -0400 X-UUID: 3fefb04ee26c44a0b65ae660e32f6794-20190820 X-UUID: 3fefb04ee26c44a0b65ae660e32f6794-20190820 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0707 with TLS) with ESMTP id 2043514438; Tue, 20 Aug 2019 09:41:37 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 20 Aug 2019 09:41:37 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 20 Aug 2019 09:41:35 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding CC: Ryder Lee , John Crispin , , , , , sam shih Subject: [PATCH v4 2/10] pwm: mediatek: droping the check for of_device_get_match_data Date: Tue, 20 Aug 2019 09:40:17 +0800 Message-ID: <1566265225-27452-3-git-send-email-sam.shih@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1566265225-27452-1-git-send-email-sam.shih@mediatek.com> References: <1566265225-27452-1-git-send-email-sam.shih@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 6C581FDD24463BA74DCB1709732549CFC83635E84E76AB67D63C837A63CF9F982000:8 X-MTK: N Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org From: sam shih This patch drop the check for of_device_get_match_data. Due to the only way call driver probe is compatible match, In this case, the platform data should never be NULL. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih --- Used: https://patchwork.kernel.org/patch/11096905/ Changes since v4: Follow reviewer's comments: Move the changes of droping the check for of_device_get_match_data returning non-NULL to this patch --- drivers/pwm/pwm-mediatek.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c index 287fda3674ce..f9d67fb66adb 100644 --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -236,10 +236,7 @@ static int mtk_pwm_probe(struct platform_device *pdev) if (!pc) return -ENOMEM; - data = of_device_get_match_data(&pdev->dev); - if (data == NULL) - return -EINVAL; - pc->soc = data; + pc->soc = of_device_get_match_data(&pdev->dev); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); pc->regs = devm_ioremap_resource(&pdev->dev, res);