From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754998Ab2BGOwW (ORCPT ); Tue, 7 Feb 2012 09:52:22 -0500 Received: from mx1.redhat.com ([209.132.183.28]:47793 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753706Ab2BGOwU (ORCPT ); Tue, 7 Feb 2012 09:52:20 -0500 From: Adam Jackson To: linux-kernel@vger.kernel.org Cc: arnd@arndb.de, gregkh@linuxfoundation.org Subject: [PATCH 2/2] char/mem: Schedule /dev/port for removal Date: Tue, 7 Feb 2012 09:11:41 -0500 Message-Id: <1328623901-20628-2-git-send-email-ajax@redhat.com> In-Reply-To: <1328623901-20628-1-git-send-email-ajax@redhat.com> References: <1328623901-20628-1-git-send-email-ajax@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Adam Jackson --- Documentation/feature-removal-schedule.txt | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index a0ffac0..c8504f0 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -524,3 +524,16 @@ Files: arch/arm/mach-at91/at91cap9.c Why: The code is not actively maintained and platforms are now hard to find. Who: Nicolas Ferre Jean-Christophe PLAGNIOL-VILLARD + +---------------------------- + +What: /dev/port +When: February 2013 +Files: drivers/char/mem.c +Why: This interface does not match either ISA or PCI semantics for I/O + port access. Regardless of the cycle size requested by userspace + /dev/port will emit byte-wide reads or writes, which is wrong + since devices may not allow byte access or may have side effects + when doing byte access to word or dword registers. Use /dev/io + instead. +Who: Adam Jackson -- 1.7.7.6