From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25861C4360C for ; Mon, 12 Apr 2021 16:48:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EEE1C6135F for ; Mon, 12 Apr 2021 16:48:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240489AbhDLQsk (ORCPT ); Mon, 12 Apr 2021 12:48:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:41626 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343681AbhDLQjK (ORCPT ); Mon, 12 Apr 2021 12:39:10 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 604F961042; Mon, 12 Apr 2021 16:38:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1618245532; bh=jCA/ywY3otFKg74t/80g16fuOxllt97XhBVrFAxwDpo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ThMd6G3Rf2C2V3uBly4LbfRCsQFbx/STY7WHGqdo3wXKlaIPZ8mu/WZ8VBXxzx/RC 5WprGof5NtNivyusZ0/pWmkYPlQH0WzECS5sRMm82Qeze9dTshoyDwHBWTukneOtGn 7nAzDL946PWBefmcZtIa7JfzAt3PNhCNlfLRvGP5uqAW3F99Rfa+xIBBVPjNYYRD1r ZReh+9qwIhZ5zaYsFjrd6G/Phy6D+uv4eq+krRYjk9ekDz1MAlxxyRbZzNuRS+JeCH PA9ndmmMys1+z9pZosFSQv5iLU9DeK6EV33EM1svgkTV+fxLJDWKjReBeWB2tbkkuO S6XzbZA9qdLug== Date: Mon, 12 Apr 2021 22:08:47 +0530 From: Vinod Koul To: Dave Jiang Cc: Shreenivaas Devarajan , dmaengine@vger.kernel.org Subject: Re: [PATCH v4] dmaengine: idxd: fix wq cleanup of WQCFG registers Message-ID: References: <161824330020.881560.16375921906426627033.stgit@djiang5-desk3.ch.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <161824330020.881560.16375921906426627033.stgit@djiang5-desk3.ch.intel.com> Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 12-04-21, 09:02, Dave Jiang wrote: > A pre-release silicon erratum workaround where wq reset does not clear > WQCFG registers was leaked into upstream code. Use wq reset command > instead of blasting the MMIO region. This also address an issue where > we clobber registers in future devices. Applied, thanks -- ~Vinod