From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752235AbbFVWBa (ORCPT ); Mon, 22 Jun 2015 18:01:30 -0400 Received: from mail-la0-f43.google.com ([209.85.215.43]:34871 "EHLO mail-la0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751107AbbFVWBT (ORCPT ); Mon, 22 Jun 2015 18:01:19 -0400 From: Ruslan Bilovol To: balbi@ti.com Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, k.opasiak@samsung.com, stern@rowland.harvard.edu, peter.chen@freescale.com, gregkh@linuxfoundation.org, andrzej.p@samsung.com, maxime.ripard@free-electrons.com Subject: [PATCH v5 0/5] usb/gadget: independent registration of gadgets and gadget drivers Date: Tue, 23 Jun 2015 01:01:09 +0300 Message-Id: <1435010474-13419-1-git-send-email-ruslan.bilovol@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset adds independent registration of gadgets and gadget drivers to udc-core. This is very useful for built-in modules into kernel case since it's possible situation that gadget driver is probing at a time when no gadgets are registered in udc-core. In this case instead of silently failing without of any attempt to recover, with independent registration of gadgets and gadget drivers there is no matter in which order gadgets and gadget drivers are probed/registered. This patch has side-effect on gadget drivers that had __init/__exit attributes on some paths like bind/unbind and (since bind/unbind may happen at any time) should not use them now. This is covered by forth patch ===================== v5: - this set of patches (that I already forgot about) has been successfully tested by Maxime Ripard, who sent me confirmation via personal email, so his Tested-by tag is added to the patches - rebased onto latest 'next' branch of Felipe Balbi's tree v4: - misc fixes - addressed Alan's and Sergei's comments - rebased onto latest 'next' branch of Felipe Balbi's tree v3: - addressed Alan's comments - now UDC name and pending gadget drivers list is a part of struct usb_gadget_driver. - removed usb_udc_attach_driver() function that became unused and not needed now v2: - changed first patch to have only deferred probe part (because Gadget Bus seems to be better variant when some more complicated behavior will be required) - rebased to latest 'next' branch of Felipe Balbi's tree Ruslan Bilovol (5): usb: gadget: bind UDC by name passed via usb_gadget_driver structure usb: gadget: configfs: pass UDC name via usb_gadget_driver struct usb: gadget: udc-core: remove unused usb_udc_attach_driver() usb: gadget: legacy: don't use __init/__exit attributes for bind/unbind path usb: gadget: udc-core: independent registration of gadgets and gadget drivers drivers/usb/gadget/configfs.c | 27 +++++----- drivers/usb/gadget/legacy/acm_ms.c | 6 +-- drivers/usb/gadget/legacy/audio.c | 6 +-- drivers/usb/gadget/legacy/cdc2.c | 6 +-- drivers/usb/gadget/legacy/dbgp.c | 2 +- drivers/usb/gadget/legacy/ether.c | 8 +-- drivers/usb/gadget/legacy/gmidi.c | 6 +-- drivers/usb/gadget/legacy/hid.c | 6 +-- drivers/usb/gadget/legacy/mass_storage.c | 4 +- drivers/usb/gadget/legacy/multi.c | 16 +++--- drivers/usb/gadget/legacy/ncm.c | 6 +-- drivers/usb/gadget/legacy/nokia.c | 6 +-- drivers/usb/gadget/legacy/printer.c | 6 +-- drivers/usb/gadget/legacy/serial.c | 2 +- drivers/usb/gadget/legacy/webcam.c | 4 +- drivers/usb/gadget/legacy/zero.c | 2 +- drivers/usb/gadget/udc/udc-core.c | 87 ++++++++++++++++++++------------ include/linux/usb/gadget.h | 8 ++- 18 files changed, 117 insertions(+), 91 deletions(-) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/