From patchwork Tue Oct 15 14:27:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastien Nocera X-Patchwork-Id: 11190467 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A737714ED for ; Tue, 15 Oct 2019 14:27:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9152B2168B for ; Tue, 15 Oct 2019 14:27:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732707AbfJOO1k (ORCPT ); Tue, 15 Oct 2019 10:27:40 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:38839 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732677AbfJOO1j (ORCPT ); Tue, 15 Oct 2019 10:27:39 -0400 Received: from classic (mon69-7-83-155-44-161.fbx.proxad.net [83.155.44.161]) (Authenticated sender: hadess@hadess.net) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 72A5B200006; Tue, 15 Oct 2019 14:27:37 +0000 (UTC) Message-ID: Subject: [PATCH v2 1/6] USB: Export generic USB device driver functions From: Bastien Nocera To: Alan Stern , linux-usb@vger.kernel.org, Greg Kroah-Hartman , Benjamin Tissoires Date: Tue, 15 Oct 2019 16:27:36 +0200 User-Agent: Evolution 3.32.4 (3.32.4-1.fc30) MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org This will make it possible to implement device drivers which extend the generic driver without needing to reimplement it. Signed-off-by: Bastien Nocera --- drivers/usb/core/generic.c | 16 ++++++++-------- drivers/usb/core/usb.h | 6 ++++++ 2 files changed, 14 insertions(+), 8 deletions(-) static inline unsigned usb_get_max_power(struct usb_device *udev, struct usb_host_config *c) diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c index 38f8b3e31762..28ece4d77749 100644 --- a/drivers/usb/core/generic.c +++ b/drivers/usb/core/generic.c @@ -195,7 +195,7 @@ int usb_choose_configuration(struct usb_device *udev) } EXPORT_SYMBOL_GPL(usb_choose_configuration); -static int generic_probe(struct usb_device *udev) +int usb_generic_driver_probe(struct usb_device *udev) { int err, c; @@ -222,7 +222,7 @@ static int generic_probe(struct usb_device *udev) return 0; } -static void generic_disconnect(struct usb_device *udev) +void usb_generic_driver_disconnect(struct usb_device *udev) { usb_notify_remove_device(udev); @@ -234,7 +234,7 @@ static void generic_disconnect(struct usb_device *udev) #ifdef CONFIG_PM -static int generic_suspend(struct usb_device *udev, pm_message_t msg) +int usb_generic_driver_suspend(struct usb_device *udev, pm_message_t msg) { int rc; @@ -262,7 +262,7 @@ static int generic_suspend(struct usb_device *udev, pm_message_t msg) return rc; } -static int generic_resume(struct usb_device *udev, pm_message_t msg) +int usb_generic_driver_resume(struct usb_device *udev, pm_message_t msg) { int rc; @@ -285,11 +285,11 @@ static int generic_resume(struct usb_device *udev, pm_message_t msg) struct usb_device_driver usb_generic_driver = { .name = "usb", - .probe = generic_probe, - .disconnect = generic_disconnect, + .probe = usb_generic_driver_probe, + .disconnect = usb_generic_driver_disconnect, #ifdef CONFIG_PM - .suspend = generic_suspend, - .resume = generic_resume, + .suspend = usb_generic_driver_suspend, + .resume = usb_generic_driver_resume, #endif .supports_autosuspend = 1, }; diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index cf4783cf661a..bbe24817315e 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -47,6 +47,12 @@ extern void usb_release_bos_descriptor(struct usb_device *dev); extern char *usb_cache_string(struct usb_device *udev, int index); extern int usb_set_configuration(struct usb_device *dev, int configuration); extern int usb_choose_configuration(struct usb_device *udev); +extern int usb_generic_driver_probe(struct usb_device *udev); +extern void usb_generic_driver_disconnect(struct usb_device *udev); +extern int usb_generic_driver_suspend(struct usb_device *udev, + pm_message_t msg); +extern int usb_generic_driver_resume(struct usb_device *udev, + pm_message_t msg);