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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 68409C43613 for ; Mon, 24 Jun 2019 12:04:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 348C52133F for ; Mon, 24 Jun 2019 12:04:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561377848; bh=Oz3COF33WpA043TGrrlVv1NbWayAXkghVvgEFRTlZ/E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=2kA9yKPMViWhfpWnZVpzrX0NBEXO3tqK1GaAYcTPsY3fGrLsbJLZl3SYsoZvXOvYb FzLZfXLGV/jE69pLv6A5+gKpjoH8FBbJRCgpnNX9YCW8PIm+/YWuzp5oVKIBvDcBAr xQjg39kqUAhtweFaUkZkr9g4GEKJlXJHj3ydihpg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727795AbfFXMEI (ORCPT ); Mon, 24 Jun 2019 08:04:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:46894 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726375AbfFXMEH (ORCPT ); Mon, 24 Jun 2019 08:04:07 -0400 Received: from localhost (unknown [106.201.35.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 12539212F5; Mon, 24 Jun 2019 12:04:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561377846; bh=Oz3COF33WpA043TGrrlVv1NbWayAXkghVvgEFRTlZ/E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=BTRWMzH8naU0/87BsjrJicex3tVnB4dgKpKjYzEo7TCi30MNMaJXC/rIz2YsO97li Q8MpYUT0kQDq4SlMQoY2AI11743HqbzFsEloorlsDm3XyGGYvk5pcO85CO5hqaQSKj urdX2ebL6w9eNcT6i25nUauGxRAPywbAuh0fE//0= Date: Mon, 24 Jun 2019 17:30:55 +0530 From: Vinod Koul To: Peng Ma Cc: dan.j.williams@intel.com, leoyang.li@nxp.com, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [V2] dmaengine: fsl-edma: support little endian for edma driver Message-ID: <20190624120055.GB2962@vkoul-mobl> References: <20190613102708.21606-1-peng.ma@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190613102708.21606-1-peng.ma@nxp.com> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 13-06-19, 10:27, Peng Ma wrote: > Our platforms with below registers(CHCFG0 - CHCFG15) of eDMA > *-----------------------------------------------------------* > | Offset | Big endian Register| Little endian Register| > |--------------|--------------------|-----------------------| > | 0x0 | CHCFG0 | CHCFG3 | > |--------------|--------------------|-----------------------| > | 0x1 | CHCFG1 | CHCFG2 | > |--------------|--------------------|-----------------------| > | 0x2 | CHCFG2 | CHCFG1 | > |--------------|--------------------|-----------------------| > | 0x3 | CHCFG3 | CHCFG0 | > |--------------|--------------------|-----------------------| > | ... | ...... | ...... | > |--------------|--------------------|-----------------------| > | 0xC | CHCFG12 | CHCFG15 | > |--------------|--------------------|-----------------------| > | 0xD | CHCFG13 | CHCFG14 | > |--------------|--------------------|-----------------------| > | 0xE | CHCFG14 | CHCFG13 | > |--------------|--------------------|-----------------------| > | 0xF | CHCFG15 | CHCFG12 | > *-----------------------------------------------------------* > > Current eDMA driver does not support Little endian, so this > patch is to improve edma driver to support little endian. Applied, thanks -- ~Vinod