From patchwork Sat May 25 11:59:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 10960741 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 50DD176 for ; Sat, 25 May 2019 11:51:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3A80128A71 for ; Sat, 25 May 2019 11:51:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 276EC28A7D; Sat, 25 May 2019 11:51:29 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A374328A71 for ; Sat, 25 May 2019 11:51:28 +0000 (UTC) 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: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:In-Reply-To:References: List-Owner; bh=tCowPfUs16mZ6QJsyulOGDFgL7uvRgJ3P/mAsVNcYVY=; b=Ag9wYT71c1/PCa JWAyq/MNo+imdyFHSB7hPCrBhDznm4mWYonoztImXR2uwJxmXzdNVQcruoWrxiPMWtaRzrpTXmczS Y246AVhbMyDQud4FyUvU59pKor+9R8jw4BmoY/XpXOatFkbc/I+4AdjzsSexetCtYz+aCr53ppkef G0dvnFl2xAc6BhnYC0ra+m27oLHr77H1L3mZ711Zf8yu6LeuSw6313w6xgwJO8buWnkyzeyb1t6Q+ BMh0erwOJEF9ptoM0FiRACoRK1Us5hOsw1Z4AFzSXUoC50w9yyaVqulyGqslsMxH5IlfgtT3aQJtg 2g/N57NNkINJAsXzqEhA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hUVCu-0001CF-Of; Sat, 25 May 2019 11:51:24 +0000 Received: from szxga07-in.huawei.com ([45.249.212.35] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hUVCr-0001Bs-Dd for linux-arm-kernel@lists.infradead.org; Sat, 25 May 2019 11:51:22 +0000 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id CF4CF4CABD714DBE3852; Sat, 25 May 2019 19:51:15 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.439.0; Sat, 25 May 2019 19:51:07 +0800 From: Kefeng Wang To: Thierry Reding , Heiko Stuebner Subject: [PATCH] pwm: rockchip: Use of_clk_get_parent_count() Date: Sat, 25 May 2019 19:59:41 +0800 Message-ID: <20190525115941.108309-1-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190525_045121_753406_9D82E4CE X-CRM114-Status: GOOD ( 10.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kefeng Wang , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Use of_clk_get_parent_count() instead of open coding. Signed-off-by: Kefeng Wang --- drivers/pwm/pwm-rockchip.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c index 4d99d468df09..a0fbb9a139bd 100644 --- a/drivers/pwm/pwm-rockchip.c +++ b/drivers/pwm/pwm-rockchip.c @@ -329,8 +329,8 @@ static int rockchip_pwm_probe(struct platform_device *pdev) } } - count = of_count_phandle_with_args(pdev->dev.of_node, - "clocks", "#clock-cells"); + count = of_clk_get_parent_count(pdev->dev.of_node); + if (count == 2) pc->pclk = devm_clk_get(&pdev->dev, "pclk"); else