Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934650AbcCPL4g (ORCPT ); Wed, 16 Mar 2016 07:56:36 -0400 Received: from mail-yw0-f181.google.com ([209.85.161.181]:34943 "EHLO mail-yw0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753360AbcCPL4e (ORCPT ); Wed, 16 Mar 2016 07:56:34 -0400 MIME-Version: 1.0 In-Reply-To: <87wpp2hcdr.fsf@intel.com> References: <87wpp2hcdr.fsf@intel.com> Date: Wed, 16 Mar 2016 19:56:33 +0800 Message-ID: Subject: Re: [PATCH v7 0/4] Introduce usb charger framework to deal with the usb gadget power negotation From: Baolin Wang To: Felipe Balbi Cc: Greg KH , Sebastian Reichel , Dmitry Eremin-Solenikov , David Woodhouse , Peter Chen , Alan Stern , r.baldyga@samsung.com, yoshihiro.shimoda.uh@renesas.com, Lee Jones , Mark Brown , ckeepax@opensource.wolfsonmicro.com, patches@opensource.wolfsonmicro.com, linux-pm@vger.kernel.org, USB , device-mainlining@lists.linuxfoundation.org, LKML 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: 1714 Lines: 46 On 16 March 2016 at 19:48, Felipe Balbi wrote: > > Hi Baolin, > > Baolin Wang writes: >> [ text/plain ] >> Currently the Linux kernel does not provide any standard integration of this >> feature that integrates the USB subsystem with the system power regulation >> provided by PMICs meaning that either vendors must add this in their kernels >> or USB gadget devices based on Linux (such as mobile phones) may not behave >> as they should. Thus provide a standard framework for doing this in kernel. >> >> Now introduce one user with wm831x_power to support and test the usb charger, >> which is pending testing. Moreover there may be other potential users will use >> it in future. >> >> Changes since v5: >> - Remove the notifier chain things from the gadget and introduce one callback >> function to report to the usb charger when the gadget state is changed. >> - Flesh out the port type detection which combines the USB negotiation and >> PMICs detection. >> - Supply the notification mechanism to userspace when charger state is changed. >> - Integrate with the vbus staff in the gadget API. >> - Spilt up the functionality for userspace with one file per USB charger type. >> - Rebase on "4.5-rc4". >> >> Baolin Wang (4): >> gadget: Introduce the usb charger framework >> gadget: Support for the usb charger framework >> gadget: Integrate with the usb gadget supporting for usb charger >> power: wm831x_power: Support USB charger current limit management > > Thank you for resending this. I'll review it ASAP (probably tomorrow > when I get to the office. If I have time, still today) OK. Thanks:) > > -- > balbi -- Baolin.wang Best Regards