From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932996AbcHWLej (ORCPT ); Tue, 23 Aug 2016 07:34:39 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:33174 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756779AbcHWLeg (ORCPT ); Tue, 23 Aug 2016 07:34:36 -0400 Subject: Re: [PATCH v4 10/10] usb: gadget: f_hid: use alloc_ep_req() To: Felipe Balbi , John Youn , "linux-usb@vger.kernel.org" References: <20160808203013.19283-1-eu@felipetonello.com> <20160808203013.19283-11-eu@felipetonello.com> <6a4fcb3c-7c75-257d-24d5-3c7b8e0f056f@synopsys.com> <87r39hi6vm.fsf@linux.intel.com> <35182515-2a5b-1efa-564c-0ba38016520d@felipetonello.com> <87y43nhhms.fsf@linux.intel.com> Cc: "linux-kernel@vger.kernel.org" , Michal Nazarewicz From: Felipe Ferreri Tonello Message-ID: <44dbf899-35ab-0e86-af3b-e709843f3ca4@felipetonello.com> Date: Tue, 23 Aug 2016 12:34:33 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <87y43nhhms.fsf@linux.intel.com> Content-Type: multipart/mixed; boundary="------------7F0FA12C4A118376D6AA67A9" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------7F0FA12C4A118376D6AA67A9 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Hi Balbi, On 23/08/16 12:03, Felipe Balbi wrote: > > Hi, > > Felipe Ferreri Tonello writes: >>> John Youn writes: >>>> On 8/8/2016 1:30 PM, Felipe F. Tonello wrote: >>>>> Use gadget's framework allocation function instead of directly calling >>>>> usb_ep_alloc_request(). >>>>> >>>>> Signed-off-by: Felipe F. Tonello >>>>> --- >>>>> drivers/usb/gadget/function/f_hid.c | 6 +----- >>>>> 1 file changed, 1 insertion(+), 5 deletions(-) >>>>> >>>>> diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c >>>>> index a010496e4e05..89d2e9a5a04f 100644 >>>>> --- a/drivers/usb/gadget/function/f_hid.c >>>>> +++ b/drivers/usb/gadget/function/f_hid.c >>>>> @@ -611,14 +611,10 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f) >>>>> >>>>> /* preallocate request and buffer */ >>>>> status = -ENOMEM; >>>>> - hidg->req = usb_ep_alloc_request(hidg->in_ep, GFP_KERNEL); >>>>> + hidg->req = alloc_ep_req(hidg->in_ep, hidg->report_length); >>>>> if (!hidg->req) >>>>> goto fail; >>>>> >>>>> - hidg->req->buf = kmalloc(hidg->report_length, GFP_KERNEL); >>>>> - if (!hidg->req->buf) >>>>> - goto fail; >>>>> - >>>>> /* set descriptor dynamic values */ >>>>> hidg_interface_desc.bInterfaceSubClass = hidg->bInterfaceSubClass; >>>>> hidg_interface_desc.bInterfaceProtocol = hidg->bInterfaceProtocol; >>>>> >>>> >>>> Hi Felipe, >>>> >>>> This commit on your testing/next breaks compilation. >>>> >>>> ../drivers/usb/gadget/function/f_hid.c: In function ‘hidg_bind’: >>>> ../drivers/usb/gadget/function/f_hid.c:620:14: error: too few arguments to function ‘alloc_ep_req’ >>>> hidg->req = alloc_ep_req(hidg->in_ep, hidg->report_length); >>>> ^ >>>> In file included from ../drivers/usb/gadget/function/f_hid.c:24:0: >>>> ../drivers/usb/gadget/u_f.h:63:21: note: declared here >>>> struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len, int default_len); >>> >>> true that :-) Dropping from my queue. >>> >> >> Are you applying the previous patches? Specially that this is the last >> patch in the series, how can it break with you if it doesn't break here? >> What should I do then? > > Can you rebase your series on top of my testing/next? My HEAD is > at commit 95bbb3474f1e87c9ec7ebe2acf25006e5e94a824. It was at that time. I will rebease it then on v5. Just waiting for your comments on the other thread. 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