From patchwork Wed Sep 18 05:50:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?U2FtIFNoaWggKOWPsueiqeS4iSk=?= X-Patchwork-Id: 11149649 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3E28514E5 for ; Wed, 18 Sep 2019 05:51:12 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1C3C2214AF for ; Wed, 18 Sep 2019 05:51:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="koW+ggSI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1C3C2214AF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7XtZPMGLbiwOiz+HnXM23X36LLonuKguxKOpniUyVrs=; b=koW+ggSIWrs1ym P3LRETF69Vmp1OZBTST7py6MFKqEWiiyEpK+xPRAUPMiumyqPMARtkt/PLUv3LVDmiCWj0PDpY2j4 fPfOkAlC0eak8auJ2k0vKSsxvNpwY+ENavGBDhkCcTd+/CFbRnQmKz7NHib0hZrshJ/t015PHsMs7 WXPLuV0ovqq70zYbBpbcJ1AfQDiZIhXKich1396vh07SbBvXlKL38qMX+bJwigEqn917nDk2x+JN5 d+Xnt4fn6p2WoeJoYFAI3rKOs5rzfLCsva+RpQrd4E5EQm3RTFQXv83iQN4VLs4Be/t3SS/z064cl D8+/zszHMDN8oAmoHDcQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iASrv-0001l8-Pq; Wed, 18 Sep 2019 05:51:11 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iASrs-0001ko-Tb for linux-mediatek@lists.infradead.org; Wed, 18 Sep 2019 05:51:10 +0000 X-UUID: bf7232e5625d4408a49d2adf63eabb20-20190917 X-UUID: bf7232e5625d4408a49d2adf63eabb20-20190917 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1266814264; Tue, 17 Sep 2019 21:51:02 -0800 Received: from mtkmbs05n1.mediatek.inc (172.21.101.15) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 17 Sep 2019 22:51:01 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 18 Sep 2019 13:51:00 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 18 Sep 2019 13:51:00 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [RESEND, PATCH v7 02/11] pwm: mediatek: droping the check for of_device_get_match_data Date: Wed, 18 Sep 2019 13:50:02 +0800 Message-ID: <1568785811-9577-3-git-send-email-sam.shih@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1568785811-9577-1-git-send-email-sam.shih@mediatek.com> References: <1568785811-9577-1-git-send-email-sam.shih@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190917_225108_955589_1D941E1D X-CRM114-Status: GOOD ( 11.16 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Ryder Lee , devicetree@vger.kernel.org, Sam Shih , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org This patch drop the check for of_device_get_match_data. Due to the only way call driver probe is compatible match. The .data pointer which point to the SoC specify data is directly set by driver, and it should not be NULL in our case. We can safety remove the check for of_device_get_match_data. Signed-off-by: Ryder Lee Signed-off-by: Sam Shih Acked-by: Uwe Kleine-König --- Used: https://patchwork.kernel.org/patch/11096905/ Changes since v6: Add an Acked-by tag 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 | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c index e214f4f57107..ebd62629e3fe 100644 --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -226,7 +226,6 @@ static const struct pwm_ops mtk_pwm_ops = { static int mtk_pwm_probe(struct platform_device *pdev) { - const struct mtk_pwm_platform_data *data; struct device_node *np = pdev->dev.of_node; struct mtk_pwm_chip *pc; struct resource *res; @@ -237,10 +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);