From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-6.0 required=5.0 tests=MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,T_TVD_MIME_EPI autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 4BF637D072 for ; Thu, 26 Jul 2018 10:57:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729342AbeGZMNV (ORCPT ); Thu, 26 Jul 2018 08:13:21 -0400 Received: from mga17.intel.com ([192.55.52.151]:26618 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729097AbeGZMNV (ORCPT ); Thu, 26 Jul 2018 08:13:21 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Jul 2018 03:57:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,404,1526367600"; d="asc'?scan'208";a="243482752" Received: from pipin.fi.intel.com (HELO localhost) ([10.237.68.37]) by orsmga005.jf.intel.com with ESMTP; 26 Jul 2018 03:56:48 -0700 From: Felipe Balbi To: Marcus Folkesson , Greg Kroah-Hartman , Jonathan Corbet , davem@davemloft.net, Mauro Carvalho Chehab , Andrew Morton , Randy Dunlap , Ruslan Bilovol , Thomas Gleixner , Kate Stewart Cc: linux-usb@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Marcus Folkesson Subject: Re: [PATCH v4 1/3] usb: gadget: ccid: add support for USB CCID Gadget Device In-Reply-To: <20180626081422.19237-1-marcus.folkesson@gmail.com> References: <20180626081422.19237-1-marcus.folkesson@gmail.com> Date: Thu, 26 Jul 2018 13:53:30 +0300 Message-ID: <87woti1d5h.fsf@linux.intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Marcus Folkesson writes: > Chip Card Interface Device (CCID) protocol is a USB protocol that > allows a smartcard device to be connected to a computer via a card > reader using a standard USB interface, without the need for each manufact= urer > of smartcards to provide its own reader or protocol. > > This gadget driver makes Linux show up as a CCID device to the host and l= et a > userspace daemon act as the smartcard. > > This is useful when the Linux gadget itself should act as a cryptographic > device or forward APDUs to an embedded smartcard device. > > Signed-off-by: Marcus Folkesson I still don't see the benefit of having this in the kernel when functionfs would do just fine. =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEElLzh7wn96CXwjh2IzL64meEamQYFAltZqCoACgkQzL64meEa mQZz8xAA2b1nuzvzDA/qKsjrHCHNpVqFsA2h/LEQyb6jEaQL3E7Ycw1SQTqT28iB TE8VglTkgvVDNFEPiy49uqBwO3Ey50PESaBSeERlXqubdVndv/wMH0CdglwzMc9n K/LOnVlLNg18vF3BJoU5dyGnjPlBH5ry1umwJ0HxCgd0VdBmmiy0TH1OdGabuo4u ywEH6iYqBKaBzSSeRO0kn1nWGLThSVCuWQGb+Ilejr2n1bDoykJA+OPQ/1sr/o72 gfmQkp9xcZ1ixTaZQCsTswAZKLntdkpb/f2YgmCrLfsXbtRedQQO4RNdR5E2br1r vMXrJsHKd/EJI7E+wHIZ1YSvgYFnWhPZf9MbAjK81tTIuPPx6lBr/MWJuFMULsDf dZmDpOpYUW7BTy2vFuwdPRzM+zoo8gg7CKwJJd41paE4UD+tL3i8KumsI3EFxoFz X2WcCB23fJ9Vb23AP8qFSPYqmqyWshHWFD9gi67tJqMbIVy7h84zgKTYhtDAx48x Tn7pegO71A3HyXLwJpMroBLPhQ90K01SIsOrGuxNdUQzZdUJxTzpE4VASqiOQzKT FvAPhgY8EYWkJRwATs+fDGH7ghMtpwEUeuZMrTQ/v95nSlAFfF6WqZA/iMIE23hs drfYLwCU708gpl5W/F5AixyHAZjxwaF8Yybfzeqi+hIW3nfl+qA= =PHQA -----END PGP SIGNATURE----- --=-=-=-- -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html