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=-6.7 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 31B61C07E9A for ; Wed, 14 Jul 2021 04:46:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D2FC61260 for ; Wed, 14 Jul 2021 04:46:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237831AbhGNEti (ORCPT ); Wed, 14 Jul 2021 00:49:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:37580 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229451AbhGNEti (ORCPT ); Wed, 14 Jul 2021 00:49:38 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5354761260; Wed, 14 Jul 2021 04:46:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626238007; bh=kvU8z6mP3sL4H7OMGZ6J1TkAyBu5In8CTrQk0KXMTVI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=FzbHWuBqxbSdg+q5k2VPteVFQujGA1F0UlB4bsRDCoFXFnC1pFdNq0EDsSpL0s4Qd KDihyzCjhnQCjel3VLVzni95e68XM1ZfSVVbu4FM8FmQ4sglLL2aRA2P1L8GcLVDMR NNZoujXmqpdmIl9KXqX2FYUMepO+vpVUc5oGQB1+myAChihRt6vxp5Leo3+b+T2/z0 GJsSx9NCbiQXFRhbSUmSK0zjp3ENqoxP2U7Ekxngb3Tg4ZxOn6TncExsbm685RunnR ZtUQ8KOKbMGBSTmO0ZLLQl645NNF2IoDQPihPmijrLN3vXTaA4ywK58zTRvA2or6Jo dU+8ebIK6mYUA== Date: Wed, 14 Jul 2021 10:16:38 +0530 From: Vinod Koul To: Andy Shevchenko Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Viresh Kumar Subject: Re: [PATCH v3 1/1] dmaengine: dw: Program xBAR hardware for Elkhart Lake Message-ID: References: <20210712113940.42753-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210712113940.42753-1-andriy.shevchenko@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 12-07-21, 14:39, Andy Shevchenko wrote: > Intel Elkhart Lake PSE DMA implementation is integrated with crossbar IP > in order to serve more hardware than there are DMA request lines available. > > Due to this, program xBAR hardware to make flexible support of PSE peripheral. > > The Device-to-Device has not been tested and it's not supported by DMA Engine, > but it's left in the code for the sake of documenting hardware features. Applied, thanks -- ~Vinod