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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id BC965C54735 for ; Tue, 27 Aug 2024 11:13:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:CC:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2wtQqvB0qtOivxXJ7vdYPLsNeuH1tHQfJ8OwXMLCe1c=; b=1HgUXzNnzkEZulVYhacs+A/olC 4IRa2zLx84syHR0Li4bkS+0Gh5TlW7hJYgjqskE8YMu/AAfjry9It+kGTg3KLXa9iHvBocshyYjqX DDn1Uv3uPWTaUMYd/aF9eBOgnU7rEVHf0g2J+e/fZegRmlg51duHskgzMG4X90naLCGiTJGuVRKJQ 92G+5zH1V/4Bgw+Gcy/wxuK1Hw2PquoAU2FPV7gpnUa5dmIlnGP1JOt1CYzJVoqTtTzM+m2BUWu16 UaINFadgmUQwRkKXzUkfM/NKfEhpUE/c88y/OxB+IHo8JBLjw1ttwBYbHwLavCw4fydRMjZ5qkOri quGQFS/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1siu8T-0000000Aweb-1KFt; Tue, 27 Aug 2024 11:13:17 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1siu78-0000000AwKY-3uAF for linux-arm-kernel@lists.infradead.org; Tue, 27 Aug 2024 11:11:56 +0000 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4WtPt96lPLz6K9X1; Tue, 27 Aug 2024 19:08:33 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id 355301400D4; Tue, 27 Aug 2024 19:11:49 +0800 (CST) Received: from localhost (10.203.177.66) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Tue, 27 Aug 2024 12:11:48 +0100 Date: Tue, 27 Aug 2024 12:11:47 +0100 From: Jonathan Cameron To: Yangtao Li CC: , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [net-next v3 9/9] net: marvell: pxa168_eth: Convert to devm_clk_get_enabled() Message-ID: <20240827121147.00006444@Huawei.com> In-Reply-To: <20240827095712.2672820-10-frank.li@vivo.com> References: <20240827095712.2672820-1-frank.li@vivo.com> <20240827095712.2672820-10-frank.li@vivo.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.66] X-ClientProxiedBy: lhrpeml500006.china.huawei.com (7.191.161.198) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240827_041155_291677_8399F512 X-CRM114-Status: GOOD ( 18.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 27 Aug 2024 03:57:12 -0600 Yangtao Li wrote: > Convert devm_clk_get(), clk_prepare_enable() to a single > call to devm_clk_get_enabled(), as this is exactly > what this function does. > > Signed-off-by: Yangtao Li Ordering in here is already 'interesting' but I'd still look at more devm_ calls for the mdio and netdev parts. > --- > drivers/net/ethernet/marvell/pxa168_eth.c | 17 ++++------------- > 1 file changed, 4 insertions(+), 13 deletions(-) > > diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c > index 1a59c952aa01..bad91cc705e8 100644 > --- a/drivers/net/ethernet/marvell/pxa168_eth.c > +++ b/drivers/net/ethernet/marvell/pxa168_eth.c > @@ -237,8 +237,6 @@ struct pxa168_eth_private { > struct timer_list timeout; > struct mii_bus *smi_bus; > > - /* clock */ > - struct clk *clk; > struct pxa168_eth_platform_data *pd; > /* > * Ethernet controller base address. > @@ -1394,23 +1392,19 @@ static int pxa168_eth_probe(struct platform_device *pdev) > > printk(KERN_NOTICE "PXA168 10/100 Ethernet Driver\n"); > > - clk = devm_clk_get(&pdev->dev, NULL); > + clk = devm_clk_get_enabled(&pdev->dev, NULL); > if (IS_ERR(clk)) { > dev_err(&pdev->dev, "Fast Ethernet failed to get clock\n"); > - return -ENODEV; > + return PTR_ERR(clk); > } > - clk_prepare_enable(clk); > > dev = alloc_etherdev(sizeof(struct pxa168_eth_private)); > - if (!dev) { > - err = -ENOMEM; > - goto err_clk; > - } > + if (!dev) > + return -ENOMEM; > > platform_set_drvdata(pdev, dev); > pep = netdev_priv(dev); > pep->dev = dev; > - pep->clk = clk; > > pep->base = devm_platform_ioremap_resource(pdev, 0); > if (IS_ERR(pep->base)) { > @@ -1523,8 +1517,6 @@ static int pxa168_eth_probe(struct platform_device *pdev) > mdiobus_free(pep->smi_bus); > err_netdev: > free_netdev(dev); > -err_clk: > - clk_disable_unprepare(clk); > return err; > } > > @@ -1542,7 +1534,6 @@ static void pxa168_eth_remove(struct platform_device *pdev) > if (dev->phydev) > phy_disconnect(dev->phydev); > > - clk_disable_unprepare(pep->clk); > mdiobus_unregister(pep->smi_bus); > mdiobus_free(pep->smi_bus); > unregister_netdev(dev);