From patchwork Fri Aug 30 03:57:08 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: 11122857 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 5E1A914DE for ; Fri, 30 Aug 2019 03:57:50 +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 3B18320659 for ; Fri, 30 Aug 2019 03:57:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kbMRo8Bo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3B18320659 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=kbMRo8BolQ1DhY xfjvtXeq9Fz8uBHSYhHJj3mTuouFIIpJzO86Zh/REovES5uE8zS+ahTA3c1uaXRxnGnmSic7iMOxm TbagU3tHR2L36b62ZSfak2aCQJYBgvQ2qOpVF8YQICSh5Q8sWWNdVBoAIBCGtP5UQ3L9Ocujvb1+e F8/vbXPC3MkIsyIN/kKwDKwbL/7V/PiRqepVZs3SSBT1s2DKZdgxyd+DuQqQjccpBgWOJXsceSBiQ BwYZXqoG8H3EIKg2H8Dr8LmGnm1XfSYtko+oN0jt3Z7Oi4GS9V9Ekl+qdQbiSh1K7qsZAIjcOcCow bceP8D28f9UvzJT1amqg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i3Y2n-0002hu-TQ; Fri, 30 Aug 2019 03:57:49 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i3Y2j-0002fb-KE for linux-mediatek@lists.infradead.org; Fri, 30 Aug 2019 03:57:47 +0000 X-UUID: a682997517ad4da8bdceafda3220a893-20190829 X-UUID: a682997517ad4da8bdceafda3220a893-20190829 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1978576048; Thu, 29 Aug 2019 19:57:47 -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; Thu, 29 Aug 2019 20:57:45 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs05n1.mediatek.inc (172.21.101.15) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 30 Aug 2019 11:57:44 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 30 Aug 2019 11:57:44 +0800 From: Sam Shih To: Rob Herring , Mark Rutland , Matthias Brugger , Thierry Reding Subject: [PATCH v7 02/11] pwm: mediatek: droping the check for of_device_get_match_data Date: Fri, 30 Aug 2019 11:57:08 +0800 Message-ID: <1567137437-10041-3-git-send-email-sam.shih@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1567137437-10041-1-git-send-email-sam.shih@mediatek.com> References: <1567137437-10041-1-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-20190829_205745_664048_5B7D4164 X-CRM114-Status: GOOD ( 11.30 ) 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_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches 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);