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] dmaengine: sh: Remove R-Mobile APE6 support From: Vinod Koul Message-Id: <20181129142508.GJ3175@vkoul-mobl.Dlink> Date: Thu, 29 Nov 2018 19:55:08 +0530 To: Geert Uytterhoeven Cc: Dan Williams , Guennadi Liakhovetski , Laurent Pinchart , Wolfram Sang , Simon Horman , Magnus Damm , Yoshinori Sato , Rich Felker , dmaengine@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: T24gMjktMTEtMTgsIDEyOjE4LCBHZWVydCBVeXR0ZXJob2V2ZW4gd3JvdGU6Cj4gUmVuZXNhcyBS LU1vYmlsZSBBUEU2IHN1cHBvcnQgaXMgY3VycmVudGx5IHVudXNlZDoKPiAgIC0gRE1BIHNsYXZl cyB3ZXJlIG5ldmVyIGVuYWJsZWQgaW4gcjhhNzNhNC5kdHNpLAo+ICAgLSBUaGUgZHJpdmVyIHJl bGllcyBvbiBsZWdhY3kgZmlsdGVyIG1hdGNoaW5nIGFuZCBkZXNjcmliaW5nIGFsbAo+ICAgICBz bGF2ZXMgYW5kIE1JRC9SSURzIGluIGEgdGFibGUsIHVubGlrZSBtb2Rlcm4gRE1BIGVuZ2luZSBk cml2ZXJzIGZvcgo+ICAgICBzaW1pbGFyIGhhcmR3YXJlIGxpa2UgcmNhci1kbWFjLAo+ICAgLSBU aGUgZHJpdmVyIGRvZXNuJ3Qgc2VlbSB0byB3b3JrIHdlbGwuCj4gCj4gUmVtb3ZlIHRoZSBkcml2 ZXIsIGl0IGNhbiBiZSByZXN1cnJlY3RlZCBmcm9tIGdpdCBoaXN0b3J5IHdoZW4gbmVlZGVkLgo+ IAo+IEFzIHRoaXMgd2FzIHRoZSBsYXN0IHVzZXIgb2YgU0hfRE1BRV9CQVNFIG9uIFJlbmVzYXMg QVJNIFNvQ3MsIHRoZQo+IHNoLWRtYS1lbmdpbmUgZHJpdmVyIGNvcmUgaXMgbm93IHVzZWQgb24g U3VwZXJIIG9ubHkuCj4gCj4gTm90ZSB0aGF0IHRoZSBEVCBiaW5kaW5ncyBhcmUgc3RpbGwgcHJl c2VudCwgYXMgcjhhNzNhNC5kdHNpIHVzZXMgdGhlbS4KClNvcnJ5IGJ1dCB0aGlzIGRvZXNudCBh cHBseSBmb3IgbWUsIGNhbiB5b3UgcGxlYXNlIHJlYmFzZSBvbiB0b3BpYy9zaAphbmQgcmVzZW5k LgoKVGhhbmtzCg== From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Date: Thu, 29 Nov 2018 14:37:08 +0000 Subject: Re: [PATCH v2] dmaengine: sh: Remove R-Mobile APE6 support Message-Id: <20181129142508.GJ3175@vkoul-mobl.Dlink> List-Id: References: <20181129111839.12879-1-geert+renesas@glider.be> In-Reply-To: <20181129111839.12879-1-geert+renesas@glider.be> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Geert Uytterhoeven Cc: Dan Williams , Guennadi Liakhovetski , Laurent Pinchart , Wolfram Sang , Simon Horman , Magnus Damm , Yoshinori Sato , Rich Felker , dmaengine@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org On 29-11-18, 12:18, Geert Uytterhoeven wrote: > Renesas R-Mobile APE6 support is currently unused: > - DMA slaves were never enabled in r8a73a4.dtsi, > - The driver relies on legacy filter matching and describing all > slaves and MID/RIDs in a table, unlike modern DMA engine drivers for > similar hardware like rcar-dmac, > - The driver doesn't seem to work well. > > Remove the driver, it can be resurrected from git history when needed. > > As this was the last user of SH_DMAE_BASE on Renesas ARM SoCs, the > sh-dma-engine driver core is now used on SuperH only. > > Note that the DT bindings are still present, as r8a73a4.dtsi uses them. Sorry but this doesnt apply for me, can you please rebase on topic/sh and resend. Thanks -- ~Vinod 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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,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 82832C43441 for ; Thu, 29 Nov 2018 14:49:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 450B220673 for ; Thu, 29 Nov 2018 14:49:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="M9Xxh0Wj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 450B220673 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732924AbeK3Bat (ORCPT ); Thu, 29 Nov 2018 20:30:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:58040 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731591AbeK3Bas (ORCPT ); Thu, 29 Nov 2018 20:30:48 -0500 Received: from localhost (unknown [122.178.235.61]) (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 DE49C2133F; Thu, 29 Nov 2018 14:25:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1543501516; bh=brrBO+ckq2npRnIgUnhQg08e7KGElKKVgvTYNN5FcAA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=M9Xxh0WjWpWwMnrSdWRNxv6fz6cDBs4J5jUxfTT/xrgD7ycA5JBWpYUVvtfsaOL3k WnSpSOct6ZQFvyRsFnuIQOrIssJ/8ZzlOVLjYslAe5v9ByeLMfOQqfWmBJ+gxivGMy 1//1+56PVICjFEvdxOeK+j6GjVNcZ9fG0kxTwxKw= Date: Thu, 29 Nov 2018 19:55:08 +0530 From: Vinod Koul To: Geert Uytterhoeven Cc: Dan Williams , Guennadi Liakhovetski , Laurent Pinchart , Wolfram Sang , Simon Horman , Magnus Damm , Yoshinori Sato , Rich Felker , dmaengine@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] dmaengine: sh: Remove R-Mobile APE6 support Message-ID: <20181129142508.GJ3175@vkoul-mobl.Dlink> References: <20181129111839.12879-1-geert+renesas@glider.be> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181129111839.12879-1-geert+renesas@glider.be> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29-11-18, 12:18, Geert Uytterhoeven wrote: > Renesas R-Mobile APE6 support is currently unused: > - DMA slaves were never enabled in r8a73a4.dtsi, > - The driver relies on legacy filter matching and describing all > slaves and MID/RIDs in a table, unlike modern DMA engine drivers for > similar hardware like rcar-dmac, > - The driver doesn't seem to work well. > > Remove the driver, it can be resurrected from git history when needed. > > As this was the last user of SH_DMAE_BASE on Renesas ARM SoCs, the > sh-dma-engine driver core is now used on SuperH only. > > Note that the DT bindings are still present, as r8a73a4.dtsi uses them. Sorry but this doesnt apply for me, can you please rebase on topic/sh and resend. Thanks -- ~Vinod