Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751650AbdFIJAW (ORCPT ); Fri, 9 Jun 2017 05:00:22 -0400 Received: from mail-qt0-f177.google.com ([209.85.216.177]:35183 "EHLO mail-qt0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751527AbdFIJAU (ORCPT ); Fri, 9 Jun 2017 05:00:20 -0400 MIME-Version: 1.0 In-Reply-To: References: <1496918103-14948-1-git-send-email-raviteja.garimella@broadcom.com> From: Raviteja Garimella Date: Fri, 9 Jun 2017 14:30:18 +0530 Message-ID: Subject: Re: [PATCH v8 0/3] Support for USB DRD PHY driver for NS2 To: Kishon Vijay Abraham I Cc: Rob Herring , Mark Rutland , Ray Jui , Scott Branden , Jon Mason , Catalin Marinas , Will Deacon , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, BCM Kernel Feedback , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3070 Lines: 89 Hi, On Fri, Jun 9, 2017 at 2:25 PM, Kishon Vijay Abraham I wrote: > Hi, > > On Thursday 08 June 2017 04:05 PM, Raviteja Garimella wrote: >> Changes in v8: >> ============= >> -Renamed phy shutdown routine >> -Used devm_request_irq in stead of threaded irq > > That's not what I intended. Continue to use threaded irq but remove delayed work. > Yes I get that. We see intermittent connection issues without delayed work. Debounce delay matters there. Thanks, Ravi > Thanks > Kishon >> -Removed devm_unregister calls in probe routine >> >> Changes in v7: >> ============= >> Cleaned up unused variables in phy private data structure that's >> missed out in v6. >> Setting of phy mode to device/host is removed from phy power on. >> routine. >> >> Changes in v6: >> ============= >> Removed spin locks which are not required as the references >> to phy_ops in the same driver were removed in v5. >> >> Removed host/device 'notify' routines which are registered >> using 'extcon_register_notifier'. The irq handler is sufficient >> to deal with the change in extcon events within the same driver. >> >> Changes in v5: >> ============= >> Removed references to phy_ops in the same driver by connect_work >> event handler to change the phy modes. >> >> To support dynamically changing the mode of the phy, it does >> not require doing a phy reset/programming of PHY PLL. Changes >> are made to the connect_work routine to just program the required >> register bits to achieve this purpose. >> >> Changes in v4: >> ============= >> Remove references to edev->name in debug prints. >> >> Changes in v3: >> ============= >> Remove unnecessary checks for poweron as suggested in review. >> >> Changes in v2: >> ============= >> 1. Initialize file operations .owner field with THIS_MODULE. >> 2. Remove unnecessary gpio example in DT bindings documentation. >> This is previously acked by Rob Herring >> >> Introduction for PATCH v1: >> >> This patch adds support for USB Dual Role Device Phy for Broadcom >> Northstar2 SoC. Apart from the new phy driver, this patchset contains >> changes to Kconfig, Makefile, and Device tree files. >> >> This patchset is tested on Broadcom NS2 BCM958712K reference board. >> >> Repo: https://github.com/Broadcom/arm64-linux.git >> Branch: ns2_drdphy_v8 >> >> Raviteja Garimella (3): >> dt-bindings: phy: Add DT bindings documentation for NS2 USB DRD PHY >> phy: phy-bcm-ns2-usbdrd: Broadcom USB DRD PHY driver for Northstar2 >> arm64: dts: NS2: Add USB DRD PHY device tree node >> >> .../devicetree/bindings/phy/brcm,ns2-drd-phy.txt | 30 ++ >> arch/arm64/boot/dts/broadcom/ns2.dtsi | 14 + >> drivers/phy/Kconfig | 13 + >> drivers/phy/Makefile | 1 + >> drivers/phy/phy-bcm-ns2-usbdrd.c | 437 +++++++++++++++++++++ >> 5 files changed, 495 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt >> create mode 100644 drivers/phy/phy-bcm-ns2-usbdrd.c >>