From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Daney Subject: ata_pio_need_iordy vs. CF spec. V4.1 Date: Mon, 24 Nov 2008 09:40:10 -0800 Message-ID: <492AE6FA.5000809@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail3.caviumnetworks.com ([12.108.191.235]:63798 "EHLO mail3.caviumnetworks.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751083AbYKXRkz (ORCPT ); Mon, 24 Nov 2008 12:40:55 -0500 Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: IDE/ATA development list Table 22 on page 51 of CF Specification Rev. 4.1 indicates that iordy is not supported in PIO5 and PIO6. This seems to be in conflict with the code in ata_pio_need_iordy, which asserts that it is mandatory in any mode greater than PIO2. Which is correct? Or am I misreading something? Thanks, David Daney