From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Eitelwein Subject: whitelist entry for device with known good pata-sata bridge Date: Wed, 25 Jul 2012 16:49:32 +0200 Message-ID: <5010077C.5050509@eitelwein.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Return-path: Received: from out.selfhost.de ([82.98.82.95]:47725 "EHLO outgoing.selfhost.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S964774Ab2GYO4Q (ORCPT ); Wed, 25 Jul 2012 10:56:16 -0400 Received: from localhost (kvm-mta.eitelwein.net [192.168.123.208]) by mail.eitelwein.net (Postfix) with ESMTP id CC8C332689 for ; Wed, 25 Jul 2012 16:49:32 +0200 (CEST) Received: from mail.eitelwein.net ([127.0.0.1]) by localhost (vscan.eitelwein.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TYKyDpaJ1s2k for ; Wed, 25 Jul 2012 16:49:32 +0200 (CEST) Received: from [IPv6:2001:4dd0:ff00:89e5:f138:5c9a:fb3f:6095] (unknown [IPv6:2001:4dd0:ff00:89e5:f138:5c9a:fb3f:6095]) by mail.eitelwein.net (Postfix) with ESMTPSA id 7408C32247 for ; Wed, 25 Jul 2012 16:49:32 +0200 (CEST) Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Hi I have an external SATA drive that was slowed down by bridge limits. I found a solution in a thread on this list posted in 2008: It introduces whitelist entries in libata-core.c for devices with well working bridges (e.g. email on Fri, 31 Oct 2008 01:45:27 -0400). I added my device to this whitelist in a custom built kernel and it works fine for weeks now. How can I have this device added on the whitelist within the official kernel? Is this whitelist mechanism still supported or is there a smarter way to achieve whitelisting? I added the following whitelist entry for my Buffalo DriveStation Quattro "BUFFALO HD-QSU2/R5": /* Devices that do not need bridging limits applied */ { "MTRON MSP-SATA*", NULL, ATA_HORKAGE_BRIDGE_OK, }, { "BUFFALO HD-QSU2/R5", NULL, ATA_HORKAGE_BRIDGE_OK, }, Regards Michael