From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Mike Frysinger" Subject: Re: [PATCH 09/14] Blackfin SPI driver: Fix SPI driver to work with SPI flash ST25P16 on bf548 Date: Wed, 31 Oct 2007 04:33:27 -0400 Message-ID: <8bd0f97a0710310133m7b5cbbf3j545a489c401185df@mail.gmail.com> References: <1193735885-8202-1-git-send-email-bryan.wu@analog.com> <200710301305.02640.david-b@pacbell.net> <1193813431.6971.24.camel@roc-laptop> <200710310011.33545.david-b@pacbell.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: bryan.wu-OyLXuOCK7orQT0dZR+AlfA@public.gmane.org, spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Sonic Zhang , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "David Brownell" Return-path: In-Reply-To: <200710310011.33545.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org On 10/31/07, David Brownell wrote: > (ISTR the M25P16 in $SUBJECT has two read commands, one of > which is only usable at clock rates below 33 MHz or so, but > most other commands can work above that speed just fine.) pretty much all SPI flashes have two read commands ("slow" and "fast" as they're typically called). i dont think any of the linux drivers though use the "slow" reads with any SPI flashes ... that'd be silly :) -mike ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/