From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rohit Sarkar Subject: Re: Beginner query regarding usbhid Date: Wed, 25 Mar 2020 20:17:45 +0530 Message-ID: <5e7b6f15.1c69fb81.d92d3.facb@mx.google.com> References: <5e7b5fbc.1c69fb81.cace7.7aa1@mx.google.com> <1585147543.3831.8.camel@suse.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:date:from:to:cc:subject:references:mime-version :content-disposition:in-reply-to:user-agent; bh=pxDEsOjM3UFaHt2qYSxBLGrNORMIpdTM3WpsoD2yldw=; b=jLak2bOC33v+hfYCh+VUtUrWcFkekBRlEtAgQz5ojYZmEi+vXYVF1pzRYt6W5TeV9F 4Z0gUue5lj3IJ1fs11h7mjVpRTVjj/blQWEOvarw2CrfEy4U8f2xTW8SEPPQyO+FFDR3 +svqwP8AGKq8tn5d7ygsNteWp9ZTtzTlvwtp7n5nHTwV1yesZPJa9fecZeIKA/EO99qb qZDq1Aocm81icmK7DIdT2pZAEC2DyB6HKrwFjbJejb7GmQErIPdPwoAmePdYnEacxQTX cUviISgknRjGILixu+GCHu/oLJFL0X8jeZcW8r73qG1R5zhBAa6Ulg24dstgAmeAnE+s LEnQ== Content-Disposition: inline In-Reply-To: <1585147543.3831.8.camel-IBi9RG/b67k@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Oliver Neukum Cc: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-newbie-u79uwXL29TY76Z2rM5mHXA@public.gmane.org On Wed, Mar 25, 2020 at 03:45:43PM +0100, Oliver Neukum wrote: > Am Mittwoch, den 25.03.2020, 19:12 +0530 schrieb Rohit Sarkar: > > > > Hi, > > I am afraid something went wrong with your mail. > > Regards > Oliver > Ah, Thanks for telling me. This was the original mail: Hi, I was trying to mess around with the driver that drives my mouse. I found out that it is usbhid. I then added a printk statement to the init and exit function of usbhid. I then compiled and installed the usbhid drivers. Post that I ran `sudo modprobe -r usbhid` and `sudo modprobe usbhid` but couldnt observe any logs in dmesg. I am certain I am missing something fundamental. Could someone help me with this. Thanks, Rohit From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E908C1975A for ; Wed, 25 Mar 2020 14:47:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 235D320775 for ; Wed, 25 Mar 2020 14:47:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jLak2bOC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727689AbgCYOrw (ORCPT ); Wed, 25 Mar 2020 10:47:52 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:34463 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727561AbgCYOrv (ORCPT ); Wed, 25 Mar 2020 10:47:51 -0400 Received: by mail-pg1-f196.google.com with SMTP id d37so737175pgl.1; Wed, 25 Mar 2020 07:47:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:date:from:to:cc:subject:references:mime-version :content-disposition:in-reply-to:user-agent; bh=pxDEsOjM3UFaHt2qYSxBLGrNORMIpdTM3WpsoD2yldw=; b=jLak2bOC33v+hfYCh+VUtUrWcFkekBRlEtAgQz5ojYZmEi+vXYVF1pzRYt6W5TeV9F 4Z0gUue5lj3IJ1fs11h7mjVpRTVjj/blQWEOvarw2CrfEy4U8f2xTW8SEPPQyO+FFDR3 +svqwP8AGKq8tn5d7ygsNteWp9ZTtzTlvwtp7n5nHTwV1yesZPJa9fecZeIKA/EO99qb qZDq1Aocm81icmK7DIdT2pZAEC2DyB6HKrwFjbJejb7GmQErIPdPwoAmePdYnEacxQTX cUviISgknRjGILixu+GCHu/oLJFL0X8jeZcW8r73qG1R5zhBAa6Ulg24dstgAmeAnE+s LEnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:date:from:to:cc:subject:references :mime-version:content-disposition:in-reply-to:user-agent; bh=pxDEsOjM3UFaHt2qYSxBLGrNORMIpdTM3WpsoD2yldw=; b=VQ2WWJHGhcVO64N0Z4ozALV132+jfw/MKaWgjxSiumRGnQkBJERhxB+KwYwTfAu8Qn /W/E6kJq7nq5h6rHXP4OhiMt/0rQq/WpDQKOepGQQ+lQ/zp92RYuPe7nkkH1tTwDnga3 fGr6Rao8FEir6+uIJx/CfpmnyIQR1ZVupLHntjAA2t1AW+18jc5uvwULDegurs7SBQuH vdNj+694zMd/QEYX5Lceh4Inhq4fyKlciiaZF06wiZRjoumtG9ndrmyjynah4xR6VODE r+GGk9w7Y/g74eQfXpqkkjMNYadgrTT3NxDZQ6GSkGOh8gVU87oaj7QJRzeT96OoqSeJ sl8A== X-Gm-Message-State: ANhLgQ3UmKfB//ARp5kn0D7w8ABJck2igA1b/zQzciMwepX7LC+nlLzh NpfI1b0EzX5aZUl+JwGMUhkXMM61 X-Google-Smtp-Source: ADFU+vsM/RwJvZT55lZjeaB5ynZp8KAnLFfAujWqvqagpNi0KVxTLPZLDHkbV110nutncLMiuWihgg== X-Received: by 2002:a63:4d46:: with SMTP id n6mr3458601pgl.275.1585147670024; Wed, 25 Mar 2020 07:47:50 -0700 (PDT) Received: from SARKAR ([106.51.108.92]) by smtp.gmail.com with ESMTPSA id m29sm8008082pgl.35.2020.03.25.07.47.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2020 07:47:49 -0700 (PDT) Message-ID: <5e7b6f15.1c69fb81.d92d3.facb@mx.google.com> X-Google-Original-Message-ID: <20200325144745.GC7983@rohitsarkar5398@gmail.com> Date: Wed, 25 Mar 2020 20:17:45 +0530 From: Rohit Sarkar To: Oliver Neukum Cc: linux-usb@vger.kernel.org, linux-newbie@vger.kernel.org Subject: Re: Beginner query regarding usbhid References: <5e7b5fbc.1c69fb81.cace7.7aa1@mx.google.com> <1585147543.3831.8.camel@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1585147543.3831.8.camel@suse.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Wed, Mar 25, 2020 at 03:45:43PM +0100, Oliver Neukum wrote: > Am Mittwoch, den 25.03.2020, 19:12 +0530 schrieb Rohit Sarkar: > > > > Hi, > > I am afraid something went wrong with your mail. > > Regards > Oliver > Ah, Thanks for telling me. This was the original mail: Hi, I was trying to mess around with the driver that drives my mouse. I found out that it is usbhid. I then added a printk statement to the init and exit function of usbhid. I then compiled and installed the usbhid drivers. Post that I ran `sudo modprobe -r usbhid` and `sudo modprobe usbhid` but couldnt observe any logs in dmesg. I am certain I am missing something fundamental. Could someone help me with this. Thanks, Rohit