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=-11.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 35B6FC433E2 for ; Tue, 1 Sep 2020 13:32:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 11A63208CA for ; Tue, 1 Sep 2020 13:32:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728220AbgIANcV (ORCPT ); Tue, 1 Sep 2020 09:32:21 -0400 Received: from elvis.franken.de ([193.175.24.41]:45627 "EHLO elvis.franken.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728129AbgIANby (ORCPT ); Tue, 1 Sep 2020 09:31:54 -0400 Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1kD6NY-0001cg-00; Tue, 01 Sep 2020 15:31:16 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id A31F7C0E44; Tue, 1 Sep 2020 15:29:05 +0200 (CEST) Date: Tue, 1 Sep 2020 15:29:05 +0200 From: Thomas Bogendoerfer To: Christoph Hellwig Cc: Mauro Carvalho Chehab , "James E.J. Bottomley" , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Ben Skeggs , Pawel Osciak , Marek Szyprowski , Matt Porter , iommu@lists.linux-foundation.org, Tom Lendacky , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, netdev@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, linux-mm@kvack.org, alsa-devel@alsa-project.org Subject: Re: [PATCH 06/28] lib82596: move DMA allocation into the callers of i82596_probe Message-ID: <20200901132905.GA11506@alpha.franken.de> References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-7-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200819065555.1802761-7-hch@lst.de> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On Wed, Aug 19, 2020 at 08:55:33AM +0200, Christoph Hellwig wrote: > This allows us to get rid of the LIB82596_DMA_ATTR defined and prepare > for untangling the coherent vs non-coherent DMA allocation API. > > Signed-off-by: Christoph Hellwig > --- > drivers/net/ethernet/i825xx/lasi_82596.c | 24 ++++++++++------ > drivers/net/ethernet/i825xx/lib82596.c | 36 ++++++++---------------- > drivers/net/ethernet/i825xx/sni_82596.c | 19 +++++++++---- > 3 files changed, 40 insertions(+), 39 deletions(-) > > [...] > diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c > index 22f5887578b2bd..e80e790ffbd4d4 100644 > --- a/drivers/net/ethernet/i825xx/sni_82596.c > +++ b/drivers/net/ethernet/i825xx/sni_82596.c > @@ -24,8 +24,6 @@ > > static const char sni_82596_string[] = "snirm_82596"; > > -#define LIB82596_DMA_ATTR 0 > - > #define DMA_WBACK(priv, addr, len) do { } while (0) > #define DMA_INV(priv, addr, len) do { } while (0) > #define DMA_WBACK_INV(priv, addr, len) do { } while (0) > @@ -134,10 +132,19 @@ static int sni_82596_probe(struct platform_device *dev) > lp->ca = ca_addr; > lp->mpu_port = mpu_addr; > > + lp->dma = dma_alloc_coherent(dev->dev.parent, sizeof(struct i596_dma), > + &lp->dma_addr, GFP_KERNEL); this needs to use &dev->dev as device argument otherwise I get a WARNING: CPU: 0 PID: 1 at linux/kernel/dma/mapping.c:416 dma_alloc_attrs+0x64/0x98 (coherent_dma_mask is set correctly). dev->dev.parent was correct when going from netdevice to underlying device, but now allocation is done via platform_device probe. I wonder why this works for parisc. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ] 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=-11.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 CE410C433E2 for ; Tue, 1 Sep 2020 13:31:37 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 92601206EB for ; Tue, 1 Sep 2020 13:31:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RWXr8tVf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 92601206EB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alpha.franken.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=VHm+JHUt20S+oO4wcse0feqXLcedgfBUK6aSwZtitYg=; b=RWXr8tVfX+XCv06uLBmEGNsZx dwo9d8KORKG67rHqVQ6HBP5k/UulE3O2vonKo9bj03B9PUqcVGc6jdRJb8uW9lrM1aRQHnT4W8ZHb oCF3ER0ifsiLqe8KDwGSkFu95Nn4kdSIGyW1MdSi3aPUSvVg5d+wdvqxQJcr+4stkTLoT5FeQgC3l oyH0UVBWU2G2oUd6r4Bb06Vn3IERdnp8ymQ39SG3vOyuWrl5NJB/5ih0jZykjYpWzExUI1McmzMjH 9bQk5nhhgOlfXpgNu92U2SMdunLqEOeOF/iCL7Pa5jDiKhy0PsMOzv19tRhTg0tO2GE85mx/b/tYH CBOi3yCAg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kD6Nm-0002sf-PV; Tue, 01 Sep 2020 13:31:31 +0000 Received: from elvis.franken.de ([193.175.24.41]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kD6Nj-0002r1-Pq; Tue, 01 Sep 2020 13:31:28 +0000 Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1kD6NY-0001cg-00; Tue, 01 Sep 2020 15:31:16 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id A31F7C0E44; Tue, 1 Sep 2020 15:29:05 +0200 (CEST) Date: Tue, 1 Sep 2020 15:29:05 +0200 From: Thomas Bogendoerfer To: Christoph Hellwig Subject: Re: [PATCH 06/28] lib82596: move DMA allocation into the callers of i82596_probe Message-ID: <20200901132905.GA11506@alpha.franken.de> References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-7-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200819065555.1802761-7-hch@lst.de> User-Agent: Mutt/1.5.23 (2014-03-12) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200901_093128_056920_F8DA53E1 X-CRM114-Status: GOOD ( 21.20 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, nouveau@lists.freedesktop.org, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, "James E.J. Bottomley" , linux-mm@kvack.org, Marek Szyprowski , linux-samsung-soc@vger.kernel.org, Joonyoung Shim , linux-scsi@vger.kernel.org, Kyungmin Park , Ben Skeggs , Matt Porter , linux-media@vger.kernel.org, Tom Lendacky , Pawel Osciak , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, netdev@vger.kernel.org, Seung-Woo Kim , linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Wed, Aug 19, 2020 at 08:55:33AM +0200, Christoph Hellwig wrote: > This allows us to get rid of the LIB82596_DMA_ATTR defined and prepare > for untangling the coherent vs non-coherent DMA allocation API. > > Signed-off-by: Christoph Hellwig > --- > drivers/net/ethernet/i825xx/lasi_82596.c | 24 ++++++++++------ > drivers/net/ethernet/i825xx/lib82596.c | 36 ++++++++---------------- > drivers/net/ethernet/i825xx/sni_82596.c | 19 +++++++++---- > 3 files changed, 40 insertions(+), 39 deletions(-) > > [...] > diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c > index 22f5887578b2bd..e80e790ffbd4d4 100644 > --- a/drivers/net/ethernet/i825xx/sni_82596.c > +++ b/drivers/net/ethernet/i825xx/sni_82596.c > @@ -24,8 +24,6 @@ > > static const char sni_82596_string[] = "snirm_82596"; > > -#define LIB82596_DMA_ATTR 0 > - > #define DMA_WBACK(priv, addr, len) do { } while (0) > #define DMA_INV(priv, addr, len) do { } while (0) > #define DMA_WBACK_INV(priv, addr, len) do { } while (0) > @@ -134,10 +132,19 @@ static int sni_82596_probe(struct platform_device *dev) > lp->ca = ca_addr; > lp->mpu_port = mpu_addr; > > + lp->dma = dma_alloc_coherent(dev->dev.parent, sizeof(struct i596_dma), > + &lp->dma_addr, GFP_KERNEL); this needs to use &dev->dev as device argument otherwise I get a WARNING: CPU: 0 PID: 1 at linux/kernel/dma/mapping.c:416 dma_alloc_attrs+0x64/0x98 (coherent_dma_mask is set correctly). dev->dev.parent was correct when going from netdevice to underlying device, but now allocation is done via platform_device probe. I wonder why this works for parisc. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ] _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme 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=-11.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 83339C433E6 for ; Tue, 1 Sep 2020 13:32:27 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0D64C206F0 for ; Tue, 1 Sep 2020 13:32:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="JXjFIyYB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D64C206F0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alpha.franken.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 6B4BA1798; Tue, 1 Sep 2020 15:31:35 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 6B4BA1798 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1598967145; bh=FuWZo1WNgCdLfSjE9O1i1nzwTm/eu1X2U4bMj+Wa+tk=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=JXjFIyYBOdbWyQGPWhmL4rQBQ3bps48l1x7aJncn513NmU+zvAKsI7iFEgDlRgOuZ 4wShN6VNnp9MCymrDbjdQhm3LkQiMKyxw7nFVOX8CV00nEzLplNi9CWcT9ns++NZ67 vmV4qX05S5Q8j5RMlsB5tCxpPr1n/g5jCCSl+YwU= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 0CD96F801EB; Tue, 1 Sep 2020 15:31:35 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id B39FEF8021D; Tue, 1 Sep 2020 15:31:33 +0200 (CEST) Received: from elvis.franken.de (elvis.franken.de [193.175.24.41]) by alsa1.perex.cz (Postfix) with ESMTP id 192D1F801EB for ; Tue, 1 Sep 2020 15:31:26 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 192D1F801EB Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1kD6NY-0001cg-00; Tue, 01 Sep 2020 15:31:16 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id A31F7C0E44; Tue, 1 Sep 2020 15:29:05 +0200 (CEST) Date: Tue, 1 Sep 2020 15:29:05 +0200 From: Thomas Bogendoerfer To: Christoph Hellwig Subject: Re: [PATCH 06/28] lib82596: move DMA allocation into the callers of i82596_probe Message-ID: <20200901132905.GA11506@alpha.franken.de> References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-7-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200819065555.1802761-7-hch@lst.de> User-Agent: Mutt/1.5.23 (2014-03-12) Cc: alsa-devel@alsa-project.org, linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, nouveau@lists.freedesktop.org, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, "James E.J. Bottomley" , linux-mm@kvack.org, Marek Szyprowski , linux-samsung-soc@vger.kernel.org, Joonyoung Shim , linux-scsi@vger.kernel.org, Kyungmin Park , Ben Skeggs , Matt Porter , linux-media@vger.kernel.org, Tom Lendacky , Pawel Osciak , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, netdev@vger.kernel.org, Seung-Woo Kim , linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Wed, Aug 19, 2020 at 08:55:33AM +0200, Christoph Hellwig wrote: > This allows us to get rid of the LIB82596_DMA_ATTR defined and prepare > for untangling the coherent vs non-coherent DMA allocation API. > > Signed-off-by: Christoph Hellwig > --- > drivers/net/ethernet/i825xx/lasi_82596.c | 24 ++++++++++------ > drivers/net/ethernet/i825xx/lib82596.c | 36 ++++++++---------------- > drivers/net/ethernet/i825xx/sni_82596.c | 19 +++++++++---- > 3 files changed, 40 insertions(+), 39 deletions(-) > > [...] > diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c > index 22f5887578b2bd..e80e790ffbd4d4 100644 > --- a/drivers/net/ethernet/i825xx/sni_82596.c > +++ b/drivers/net/ethernet/i825xx/sni_82596.c > @@ -24,8 +24,6 @@ > > static const char sni_82596_string[] = "snirm_82596"; > > -#define LIB82596_DMA_ATTR 0 > - > #define DMA_WBACK(priv, addr, len) do { } while (0) > #define DMA_INV(priv, addr, len) do { } while (0) > #define DMA_WBACK_INV(priv, addr, len) do { } while (0) > @@ -134,10 +132,19 @@ static int sni_82596_probe(struct platform_device *dev) > lp->ca = ca_addr; > lp->mpu_port = mpu_addr; > > + lp->dma = dma_alloc_coherent(dev->dev.parent, sizeof(struct i596_dma), > + &lp->dma_addr, GFP_KERNEL); this needs to use &dev->dev as device argument otherwise I get a WARNING: CPU: 0 PID: 1 at linux/kernel/dma/mapping.c:416 dma_alloc_attrs+0x64/0x98 (coherent_dma_mask is set correctly). dev->dev.parent was correct when going from netdevice to underlying device, but now allocation is done via platform_device probe. I wonder why this works for parisc. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ] From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Bogendoerfer Subject: Re: [PATCH 06/28] lib82596: move DMA allocation into the callers of i82596_probe Date: Tue, 1 Sep 2020 15:29:05 +0200 Message-ID: <20200901132905.GA11506@alpha.franken.de> References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-7-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20200819065555.1802761-7-hch-jcswGhMUV9g@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Sender: "iommu" To: Christoph Hellwig Cc: alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, linux-ia64-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "James E.J. Bottomley" , linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Joonyoung Shim , linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Kyungmin Park , Ben Skeggs , Matt Porter , linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Tom Lendacky , Pawel Osciak , Mauro Carvalho Chehab , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-parisc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Seung-Woo Kim , linux-mips-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org List-Id: nouveau.vger.kernel.org On Wed, Aug 19, 2020 at 08:55:33AM +0200, Christoph Hellwig wrote: > This allows us to get rid of the LIB82596_DMA_ATTR defined and prepare > for untangling the coherent vs non-coherent DMA allocation API. > > Signed-off-by: Christoph Hellwig > --- > drivers/net/ethernet/i825xx/lasi_82596.c | 24 ++++++++++------ > drivers/net/ethernet/i825xx/lib82596.c | 36 ++++++++---------------- > drivers/net/ethernet/i825xx/sni_82596.c | 19 +++++++++---- > 3 files changed, 40 insertions(+), 39 deletions(-) > > [...] > diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c > index 22f5887578b2bd..e80e790ffbd4d4 100644 > --- a/drivers/net/ethernet/i825xx/sni_82596.c > +++ b/drivers/net/ethernet/i825xx/sni_82596.c > @@ -24,8 +24,6 @@ > > static const char sni_82596_string[] = "snirm_82596"; > > -#define LIB82596_DMA_ATTR 0 > - > #define DMA_WBACK(priv, addr, len) do { } while (0) > #define DMA_INV(priv, addr, len) do { } while (0) > #define DMA_WBACK_INV(priv, addr, len) do { } while (0) > @@ -134,10 +132,19 @@ static int sni_82596_probe(struct platform_device *dev) > lp->ca = ca_addr; > lp->mpu_port = mpu_addr; > > + lp->dma = dma_alloc_coherent(dev->dev.parent, sizeof(struct i596_dma), > + &lp->dma_addr, GFP_KERNEL); this needs to use &dev->dev as device argument otherwise I get a WARNING: CPU: 0 PID: 1 at linux/kernel/dma/mapping.c:416 dma_alloc_attrs+0x64/0x98 (coherent_dma_mask is set correctly). dev->dev.parent was correct when going from netdevice to underlying device, but now allocation is done via platform_device probe. I wonder why this works for parisc. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ] 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=-11.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 AB07FC433E6 for ; Tue, 1 Sep 2020 13:31:27 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7CA64206EB for ; Tue, 1 Sep 2020 13:31:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7CA64206EB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alpha.franken.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 5A1D886CAF; Tue, 1 Sep 2020 13:31:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NTJVTgrz6w8n; Tue, 1 Sep 2020 13:31:26 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id BB31386CAB; Tue, 1 Sep 2020 13:31:26 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9C328C07FF; Tue, 1 Sep 2020 13:31:26 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 8284EC0051 for ; Tue, 1 Sep 2020 13:31:25 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 7BF3586CAB for ; Tue, 1 Sep 2020 13:31:25 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SPADid2xWcd9 for ; Tue, 1 Sep 2020 13:31:23 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from elvis.franken.de (elvis.franken.de [193.175.24.41]) by whitealder.osuosl.org (Postfix) with ESMTP id 6D58886CAF for ; Tue, 1 Sep 2020 13:31:23 +0000 (UTC) Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1kD6NY-0001cg-00; Tue, 01 Sep 2020 15:31:16 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id A31F7C0E44; Tue, 1 Sep 2020 15:29:05 +0200 (CEST) Date: Tue, 1 Sep 2020 15:29:05 +0200 From: Thomas Bogendoerfer To: Christoph Hellwig Subject: Re: [PATCH 06/28] lib82596: move DMA allocation into the callers of i82596_probe Message-ID: <20200901132905.GA11506@alpha.franken.de> References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-7-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200819065555.1802761-7-hch@lst.de> User-Agent: Mutt/1.5.23 (2014-03-12) Cc: alsa-devel@alsa-project.org, linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, nouveau@lists.freedesktop.org, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, "James E.J. Bottomley" , linux-mm@kvack.org, linux-samsung-soc@vger.kernel.org, Joonyoung Shim , linux-scsi@vger.kernel.org, Kyungmin Park , Ben Skeggs , Matt Porter , linux-media@vger.kernel.org, Tom Lendacky , Pawel Osciak , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, netdev@vger.kernel.org, Seung-Woo Kim , linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Wed, Aug 19, 2020 at 08:55:33AM +0200, Christoph Hellwig wrote: > This allows us to get rid of the LIB82596_DMA_ATTR defined and prepare > for untangling the coherent vs non-coherent DMA allocation API. > > Signed-off-by: Christoph Hellwig > --- > drivers/net/ethernet/i825xx/lasi_82596.c | 24 ++++++++++------ > drivers/net/ethernet/i825xx/lib82596.c | 36 ++++++++---------------- > drivers/net/ethernet/i825xx/sni_82596.c | 19 +++++++++---- > 3 files changed, 40 insertions(+), 39 deletions(-) > > [...] > diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c > index 22f5887578b2bd..e80e790ffbd4d4 100644 > --- a/drivers/net/ethernet/i825xx/sni_82596.c > +++ b/drivers/net/ethernet/i825xx/sni_82596.c > @@ -24,8 +24,6 @@ > > static const char sni_82596_string[] = "snirm_82596"; > > -#define LIB82596_DMA_ATTR 0 > - > #define DMA_WBACK(priv, addr, len) do { } while (0) > #define DMA_INV(priv, addr, len) do { } while (0) > #define DMA_WBACK_INV(priv, addr, len) do { } while (0) > @@ -134,10 +132,19 @@ static int sni_82596_probe(struct platform_device *dev) > lp->ca = ca_addr; > lp->mpu_port = mpu_addr; > > + lp->dma = dma_alloc_coherent(dev->dev.parent, sizeof(struct i596_dma), > + &lp->dma_addr, GFP_KERNEL); this needs to use &dev->dev as device argument otherwise I get a WARNING: CPU: 0 PID: 1 at linux/kernel/dma/mapping.c:416 dma_alloc_attrs+0x64/0x98 (coherent_dma_mask is set correctly). dev->dev.parent was correct when going from netdevice to underlying device, but now allocation is done via platform_device probe. I wonder why this works for parisc. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ] _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-11.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 3CEDAC433E2 for ; Tue, 1 Sep 2020 13:33:20 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0905A206F0 for ; Tue, 1 Sep 2020 13:33:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="k4hnR3PS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0905A206F0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alpha.franken.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DQPX1dMnCTOWBl9aaFdj3CncnfydxOGthwuLGF4O1No=; b=k4hnR3PSrmHB4NoFOgxi7Q68i fEQpwnMtnLnh+oyyzYGl2g01tvexhn3LhKSE4nD74tE6avIzDUF7x3Anct4MpsGof5NyURd1SF+V3 VaLiOcw97CLnHes7DqWU0TfZwPsgxcygSiysTkZBZpYS16QllDAy3LPcrhWJgL5ffklVfE0f87GL2 Bl10BzXHhdNwTyJHPXYLp3npxEPz5BEUBmxrwVhctMXODZER6YqHnmamCz/HOBys8zuBYmE3AkJyn HDnILDcp0r2q/nk0g2AWjqwZvvHNu7BerKYJnGZiAwqL1vazLaCWcq5P2tSRYkc4vs78UusMJyPpb 438L0716w==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kD6No-0002t1-1n; Tue, 01 Sep 2020 13:31:32 +0000 Received: from elvis.franken.de ([193.175.24.41]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kD6Nj-0002r1-Pq; Tue, 01 Sep 2020 13:31:28 +0000 Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1kD6NY-0001cg-00; Tue, 01 Sep 2020 15:31:16 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id A31F7C0E44; Tue, 1 Sep 2020 15:29:05 +0200 (CEST) Date: Tue, 1 Sep 2020 15:29:05 +0200 From: Thomas Bogendoerfer To: Christoph Hellwig Subject: Re: [PATCH 06/28] lib82596: move DMA allocation into the callers of i82596_probe Message-ID: <20200901132905.GA11506@alpha.franken.de> References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-7-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200819065555.1802761-7-hch@lst.de> User-Agent: Mutt/1.5.23 (2014-03-12) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200901_093128_056920_F8DA53E1 X-CRM114-Status: GOOD ( 21.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, nouveau@lists.freedesktop.org, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, "James E.J. Bottomley" , linux-mm@kvack.org, Marek Szyprowski , linux-samsung-soc@vger.kernel.org, Joonyoung Shim , linux-scsi@vger.kernel.org, Kyungmin Park , Ben Skeggs , Matt Porter , linux-media@vger.kernel.org, Tom Lendacky , Pawel Osciak , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, netdev@vger.kernel.org, Seung-Woo Kim , linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Aug 19, 2020 at 08:55:33AM +0200, Christoph Hellwig wrote: > This allows us to get rid of the LIB82596_DMA_ATTR defined and prepare > for untangling the coherent vs non-coherent DMA allocation API. > > Signed-off-by: Christoph Hellwig > --- > drivers/net/ethernet/i825xx/lasi_82596.c | 24 ++++++++++------ > drivers/net/ethernet/i825xx/lib82596.c | 36 ++++++++---------------- > drivers/net/ethernet/i825xx/sni_82596.c | 19 +++++++++---- > 3 files changed, 40 insertions(+), 39 deletions(-) > > [...] > diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c > index 22f5887578b2bd..e80e790ffbd4d4 100644 > --- a/drivers/net/ethernet/i825xx/sni_82596.c > +++ b/drivers/net/ethernet/i825xx/sni_82596.c > @@ -24,8 +24,6 @@ > > static const char sni_82596_string[] = "snirm_82596"; > > -#define LIB82596_DMA_ATTR 0 > - > #define DMA_WBACK(priv, addr, len) do { } while (0) > #define DMA_INV(priv, addr, len) do { } while (0) > #define DMA_WBACK_INV(priv, addr, len) do { } while (0) > @@ -134,10 +132,19 @@ static int sni_82596_probe(struct platform_device *dev) > lp->ca = ca_addr; > lp->mpu_port = mpu_addr; > > + lp->dma = dma_alloc_coherent(dev->dev.parent, sizeof(struct i596_dma), > + &lp->dma_addr, GFP_KERNEL); this needs to use &dev->dev as device argument otherwise I get a WARNING: CPU: 0 PID: 1 at linux/kernel/dma/mapping.c:416 dma_alloc_attrs+0x64/0x98 (coherent_dma_mask is set correctly). dev->dev.parent was correct when going from netdevice to underlying device, but now allocation is done via platform_device probe. I wonder why this works for parisc. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ] _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Bogendoerfer Date: Tue, 01 Sep 2020 13:29:05 +0000 Subject: Re: [PATCH 06/28] lib82596: move DMA allocation into the callers of i82596_probe Message-Id: <20200901132905.GA11506@alpha.franken.de> List-Id: References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-7-hch@lst.de> In-Reply-To: <20200819065555.1802761-7-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Christoph Hellwig Cc: Mauro Carvalho Chehab , "James E.J. Bottomley" , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Ben Skeggs , Pawel Osciak , Marek Szyprowski , Matt Porter , iommu@lists.linux-foundation.org, Tom Lendacky , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, netdev@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, linux-mm@kvack.org, alsa-devel@alsa-project.org On Wed, Aug 19, 2020 at 08:55:33AM +0200, Christoph Hellwig wrote: > This allows us to get rid of the LIB82596_DMA_ATTR defined and prepare > for untangling the coherent vs non-coherent DMA allocation API. > > Signed-off-by: Christoph Hellwig > --- > drivers/net/ethernet/i825xx/lasi_82596.c | 24 ++++++++++------ > drivers/net/ethernet/i825xx/lib82596.c | 36 ++++++++---------------- > drivers/net/ethernet/i825xx/sni_82596.c | 19 +++++++++---- > 3 files changed, 40 insertions(+), 39 deletions(-) > > [...] > diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c > index 22f5887578b2bd..e80e790ffbd4d4 100644 > --- a/drivers/net/ethernet/i825xx/sni_82596.c > +++ b/drivers/net/ethernet/i825xx/sni_82596.c > @@ -24,8 +24,6 @@ > > static const char sni_82596_string[] = "snirm_82596"; > > -#define LIB82596_DMA_ATTR 0 > - > #define DMA_WBACK(priv, addr, len) do { } while (0) > #define DMA_INV(priv, addr, len) do { } while (0) > #define DMA_WBACK_INV(priv, addr, len) do { } while (0) > @@ -134,10 +132,19 @@ static int sni_82596_probe(struct platform_device *dev) > lp->ca = ca_addr; > lp->mpu_port = mpu_addr; > > + lp->dma = dma_alloc_coherent(dev->dev.parent, sizeof(struct i596_dma), > + &lp->dma_addr, GFP_KERNEL); this needs to use &dev->dev as device argument otherwise I get a WARNING: CPU: 0 PID: 1 at linux/kernel/dma/mapping.c:416 dma_alloc_attrs+0x64/0x98 (coherent_dma_mask is set correctly). dev->dev.parent was correct when going from netdevice to underlying device, but now allocation is done via platform_device probe. I wonder why this works for parisc. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]