From patchwork Sat Mar 30 09:28:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 10878173 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 70C601669 for ; Sat, 30 Mar 2019 09:28:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5B7D72890E for ; Sat, 30 Mar 2019 09:28:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4FD9128D9A; Sat, 30 Mar 2019 09:28:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DEF442890E for ; Sat, 30 Mar 2019 09:28:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730408AbfC3J2n (ORCPT ); Sat, 30 Mar 2019 05:28:43 -0400 Received: from mailgw02.mediatek.com ([1.203.163.81]:60768 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1730496AbfC3J2k (ORCPT ); Sat, 30 Mar 2019 05:28:40 -0400 X-UUID: 51dc95bf66cc4a7281098c1bb2aa1c16-20190330 X-UUID: 51dc95bf66cc4a7281098c1bb2aa1c16-20190330 Received: from mtkcas34.mediatek.inc [(172.27.4.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 25768377; Sat, 30 Mar 2019 17:28:35 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 30 Mar 2019 17:28:33 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sat, 30 Mar 2019 17:28:33 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman CC: Matthias Brugger , Chunfeng Yun , , , , , Peter Chen Subject: [PATCH 5/5] usb: chipidea: msm: get optional clock by devm_clk_get_optional() Date: Sat, 30 Mar 2019 17:28:20 +0800 Message-ID: <2f4b8d77c6ec99ef6cc8e71155d820e080ad9af5.1553937592.git.chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <2ec86ffd7de45dabaa7257019a79f1e80751934c.1553937592.git.chunfeng.yun@mediatek.com> References: <2ec86ffd7de45dabaa7257019a79f1e80751934c.1553937592.git.chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use devm_clk_get_optional() to get optional clock Cc: Peter Chen Signed-off-by: Chunfeng Yun Acked-by: Peter Chen --- drivers/usb/chipidea/ci_hdrc_msm.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c index 880009987460..b8b3caad889c 100644 --- a/drivers/usb/chipidea/ci_hdrc_msm.c +++ b/drivers/usb/chipidea/ci_hdrc_msm.c @@ -205,12 +205,9 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev) if (IS_ERR(clk)) return PTR_ERR(clk); - ci->fs_clk = clk = devm_clk_get(&pdev->dev, "fs"); - if (IS_ERR(clk)) { - if (PTR_ERR(clk) == -EPROBE_DEFER) - return -EPROBE_DEFER; - ci->fs_clk = NULL; - } + ci->fs_clk = clk = devm_clk_get_optional(&pdev->dev, "fs"); + if (IS_ERR(clk)) + return PTR_ERR(clk); res = platform_get_resource(pdev, IORESOURCE_MEM, 1); ci->base = devm_ioremap_resource(&pdev->dev, res);