From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B03CC3A5A6 for ; Fri, 30 Aug 2019 03:57:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F034120659 for ; Fri, 30 Aug 2019 03:57:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728208AbfH3D5p (ORCPT ); Thu, 29 Aug 2019 23:57:45 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:46251 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727066AbfH3D5o (ORCPT ); Thu, 29 Aug 2019 23:57:44 -0400 X-UUID: e8f93519f6474ada95b3e2f008098ac5-20190830 X-UUID: e8f93519f6474ada95b3e2f008098ac5-20190830 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 326418559; Fri, 30 Aug 2019 11:57:40 +0800 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 CC: Ryder Lee , John Crispin , , , , , Sam Shih 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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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); -- 2.17.1