From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v2,2/3] dmaengine: imx-sdma: Only check ratio on parts that support 1:1 From: Vinod Koul Message-Id: <20190426114840.GV28103@vkoul-mobl> Date: Fri, 26 Apr 2019 17:18:40 +0530 To: "Angus Ainslie (Purism)" Cc: angus.ainslie@puri.sm, Rob Herring , Mark Rutland , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Dan Williams , Lucas Stach , Carlo Caione , Daniel Baluta , Guido =?iso-8859-1?Q?G=FCnther?= , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org List-ID: T24gMjktMDMtMTksIDA4OjIxLCBBbmd1cyBBaW5zbGllIChQdXJpc20pIHdyb3RlOgo+IE9uIGlt eDhtcSBCMCBjaGlwLCBBSEIvU0RNQSBjbG9jayByYXRpbyAyOjEgY2FuJ3QgYmUgc3VwcG9ydGVk LAo+IHNpbmNlIFNETUEgY2xvY2sgcmF0aW8gaGFzIHRvIGJlIGluY3JlYXNlZCB0byAyNTBNaHos IEFIQiBjYW4ndCByZWFjaAo+IHRvIDUwME1oeiwgc28gdXNlIDE6MSBpbnN0ZWFkLgo+IAo+IFRv IGxpbWl0IHRoaXMgY2hhbmdlIHRvIHRoZSBpbXg4bXEgZm9yIG5vdyB0aGlzIHBhdGNoIGFsc28g YWRkcyBhbgo+IGltOG1xLXNkbWEgY29tcGF0aWJsZSBzdHJpbmcuCgpBcHBsaWVkLCB0aGFua3MK 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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_MUTT autolearn=unavailable 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 460ADC43219 for ; Fri, 26 Apr 2019 11:48:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 16F0D208C3 for ; Fri, 26 Apr 2019 11:48:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556279332; bh=y2eO2+Egp17vfAqy6bGFhHQulFyPwA2ldw8S2io0kE4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=BSTaXJyE7pT5jEd8IdxJI1pBzYuwm0TuheUAiRwJVryCEE83XFz3yLHkxFv/4bmLq QbqMltRPdnVReyWFzIve44GpuPAL0FDn0pviF8wuYvDWuaDeJFF043TyPjUrYqH8AN C8GTQMy03e8erbE8A41WqNtqF79Ibxt7x8Dtis/s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726360AbfDZLsr (ORCPT ); Fri, 26 Apr 2019 07:48:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:42390 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725901AbfDZLsq (ORCPT ); Fri, 26 Apr 2019 07:48:46 -0400 Received: from localhost (unknown [171.76.113.243]) (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 572DC2077B; Fri, 26 Apr 2019 11:48:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556279326; bh=y2eO2+Egp17vfAqy6bGFhHQulFyPwA2ldw8S2io0kE4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Qadh/VoYlZuYyfU98gD8T6FZEBSGf4A0lW0Krf1HiEmLpuYiI1WM64cXRQRbBE7kj 07YlK+kaiJJSpTCKo5eZHS8+UiXcb3Jdxroc8ALPRiHcPIuZIKsK7vtaZqzTmNDPQi dcd+ACdjcsDBM6TsrU6tqhjcqQ56zSh8sN4N+tys= Date: Fri, 26 Apr 2019 17:18:40 +0530 From: Vinod Koul To: "Angus Ainslie (Purism)" Cc: angus.ainslie@puri.sm, Rob Herring , Mark Rutland , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Dan Williams , Lucas Stach , Carlo Caione , Daniel Baluta , Guido =?iso-8859-1?Q?G=FCnther?= , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org Subject: Re: [PATCH v2 2/3] dmaengine: imx-sdma: Only check ratio on parts that support 1:1 Message-ID: <20190426114840.GV28103@vkoul-mobl> References: <20190328133828.20999-1-angus@akkea.ca> <20190329152130.18411-1-angus@akkea.ca> <20190329152130.18411-3-angus@akkea.ca> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline In-Reply-To: <20190329152130.18411-3-angus@akkea.ca> 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 Message-ID: <20190426114840.amApglJ1J26SENw3JQHoTVvvxlVzYD8N3lqsd2qCUqs@z> On 29-03-19, 08:21, Angus Ainslie (Purism) wrote: > On imx8mq B0 chip, AHB/SDMA clock ratio 2:1 can't be supported, > since SDMA clock ratio has to be increased to 250Mhz, AHB can't reach > to 500Mhz, so use 1:1 instead. > > To limit this change to the imx8mq for now this patch also adds an > im8mq-sdma compatible string. Applied, thanks -- ~Vinod