From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: [PATCH] ide: Allow IDE interface to specify its not capable of 32-bit operations Date: Tue, 14 Feb 2006 16:50:28 +0000 Message-ID: <1139935828.10394.44.camel@localhost.localdomain> References: Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Kumar Gala Cc: Bartlomiej Zolnierkiewicz , Andrew Morton , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-ide@vger.kernel.org On Maw, 2006-02-14 at 10:22 -0600, Kumar Gala wrote: > In some embedded systems the IDE hardware interface may only support 16-bit > or smaller accesses. Allow the interface to specify if this is the case > and don't allow the drive or user to override the setting. The "no_io_32bit" is just a dead leftover. It has no effect at all anyway so this patch is a bit pointless. Do a grep over the code for no_io_32bit and you will see its essentially a private variable in the CMD640 driver.