From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755779AbaEFUyk (ORCPT ); Tue, 6 May 2014 16:54:40 -0400 Received: from top.free-electrons.com ([176.31.233.9]:54937 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755160AbaEFUyi (ORCPT ); Tue, 6 May 2014 16:54:38 -0400 Date: Tue, 6 May 2014 17:53:30 -0300 From: Ezequiel Garcia To: Gregory CLEMENT Cc: Mathias Nyman , Greg Kroah-Hartman , Felipe Balbi , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org, Lior Amsalem , Tawfik Bayouk , Nadav Haklai , Grant Likely , Rob Herring , devicetree@vger.kernel.org Subject: Re: [PATCH v3 17/20] phy: Add support for USB cluster on the Armada 375 SoC Message-ID: <20140506205330.GA27308@arch.cereza> References: <1399335255-589-1-git-send-email-gregory.clement@free-electrons.com> <1399335255-589-18-git-send-email-gregory.clement@free-electrons.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1399335255-589-18-git-send-email-gregory.clement@free-electrons.com> User-Agent: Mutt/1.5.22 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Greg, On 06 May 02:14 AM, Gregory CLEMENT wrote: > + > +#define USB2_PHY_CONFIG_ENABLE BIT(0) /* active low */ > + I still think it's more readable to use USB2_PHY_CONFIG_DISABLE. It's just a nitpick, though. > +static int armada375_usb_phy_probe(struct platform_device *pdev) > +{ > + struct device *dev = &pdev->dev; > + struct phy *phy; > + struct device_node *np = dev->of_node; > + struct phy_provider *phy_provider; > + void __iomem *usb_cluster_base; > + struct device_node *xhci_node; > + int i; > + > + usb_cluster_base = of_iomap(np, 0); > + BUG_ON(!usb_cluster_base); > + Isn't a bit extreme to call BUG_ON (and thus bring down the whole system) in a phy driver? > + for (i = 0; i < NB_PHY; i++) { > + phy = devm_phy_create(dev, &armada375_usb_phy_ops, NULL); > + if (IS_ERR(phy)) > + dev_err(dev, "failed to create PHY n%d\n", i); > + I think you're missing a continue/break here. > + usb_cluster_phy[i].phy = phy; > + usb_cluster_phy[i].reg = usb_cluster_base; > + usb_cluster_phy[i].enable = false; > + phy_set_drvdata(phy, &usb_cluster_phy[i]); > + } > + > + usb_cluster_phy[PHY_USB2].use_usb3 = false; > + usb_cluster_phy[PHY_USB3].use_usb3 = true; > + [..] > + > +MODULE_DESCRIPTION("Armada 375 USB cluster driver"); > +MODULE_AUTHOR("Gregory CLEMENT "); > +MODULE_LICENSE("GPL"); GPL v2 ? -- Ezequiel García, Free Electrons Embedded Linux, Kernel and Android Engineering http://free-electrons.com