From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E8DC02FF66A for ; Mon, 29 Sep 2025 12:59:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759150795; cv=none; b=ohiGnoOXzQK+WFFlJsFkYK2ml8+1v3y3MYnkjYjFj4XkiD1YF9X+E7mjSXJtvzBlhNGtHqGjDqKll+WgOl3WJrpSVF+V/O9pawlLAF/PBDGo4sSz7Tx58bkYhNjHa2c69nf3Y9ykCyAsUK+r5XJTF9sA3MpbfR9TVFwVAAmwL+Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759150795; c=relaxed/simple; bh=Tik6aYoGgc9CMlSfiFtLfac7PuMsl1Y6OIl6EXMRRJo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZrMhxELRxRgibemtSZMmOhaEtI4FFH3/FhgPAkra4XQTtth6Yw5r+ys+3LEI0+blvM13WdDXI6kO7W53atrN2oiiT/x4G7sUD+WbKWKGLciTdo5xUlfzlY8sHsxyuRphLV91qIV7ifbIE8rpcrNLPEK5/34eCJ9hkj2tuLl8SEI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=A5ZO5hXx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="A5ZO5hXx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30F4CC4CEF7; Mon, 29 Sep 2025 12:59:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1759150794; bh=Tik6aYoGgc9CMlSfiFtLfac7PuMsl1Y6OIl6EXMRRJo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=A5ZO5hXx79p6M37l+dAm4lbHP+jLJIkHrRrdwaqgHk046rmfiTnlkMOUvmQNY8fe8 kCcBpkvun49caVVho6fxJwSvahT3PD+rNHazn3xf9j+u46P8cvwFpPxSHqEmK7yA4S dhwFaTxIOPeiTUh5GCc3HOjZSXjZ8fJF6VSQMuVQ= Date: Mon, 29 Sep 2025 14:59:51 +0200 From: Greg Kroah-Hartman To: =?utf-8?Q?=C5=81ukasz?= Bartosik Cc: Mathias Nyman , linux-usb@vger.kernel.org Subject: Re: [PATCH v1 2/4] xhci: dbc: allow to set serial number through sysfs Message-ID: <2025092917-reference-author-844e@gregkh> References: <20250929090206.423937-1-ukaszb@google.com> <20250929090206.423937-3-ukaszb@google.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250929090206.423937-3-ukaszb@google.com> On Mon, Sep 29, 2025 at 09:02:04AM +0000, Łukasz Bartosik wrote: > From: Łukasz Bartosik > > Add code which allows to set serial number of a DbC > device through sysfs. But why? Who needs this and what tools will do anything with this information? And where is the Documentation/ABI/ entries for all of these new ones? :) thanks, greg k-h