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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11D29C7EE23 for ; Wed, 7 Jun 2023 08:48:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237815AbjFGIsf (ORCPT ); Wed, 7 Jun 2023 04:48:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239353AbjFGIse (ORCPT ); Wed, 7 Jun 2023 04:48:34 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0AE5A18F for ; Wed, 7 Jun 2023 01:47:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1686127674; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=zDz69+oFYWXX1BmnVAcHgBw7nzJBGz38VxVt62J1FoQ=; b=Ymtix0B2RpLygBtwDyCB8LQnhRaxsDOQkUheYT8SJjaNGQNIJVsl1MN+vuTeTkzKCwaG8H XwYakLRHCCdDu2uQJmbnF+u0WHUWIahhjTdimR/QonoVdzqpFIpYIEUYH2rwdJg/6TMGfU BLfCu0j6KNYleT4SKLU+BaHrCiwg3Yo= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-346-h__ep7qyPSC45GwrPkHGAA-1; Wed, 07 Jun 2023 04:47:49 -0400 X-MC-Unique: h__ep7qyPSC45GwrPkHGAA-1 Received: by mail-wr1-f69.google.com with SMTP id ffacd0b85a97d-30c2e9541b9so3874916f8f.0 for ; Wed, 07 Jun 2023 01:47:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686127668; x=1688719668; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=zDz69+oFYWXX1BmnVAcHgBw7nzJBGz38VxVt62J1FoQ=; b=M9iLQg7ccHu1OAxYLFOaOsJvNAOsOfd9tI8kUBnx/CrA+0Z3gpAfZaFT8a6Y6H1vLM y43XGwd3G1+BqFH5OjaKdUwSbYmZLSnXuOvWFcVuCW430RtfeW5+qQYzgDm5pWdaP4Mi VoEtOXGNM6+dMkhBSjxW/EETLOHA34jcLnfH/sK1OiseKvJUswoiwVmQG5rxN0sbIi+Q E0YZVRMvhL3DU0FsZxNMLRHFSJlGWxfUT0gWe9FjfZxyq+j93LNzNSac5q0VOTr5StM/ Yo799QDhmh0/KKRw2meu323Tn3Pq2/vH8YFM1rsniSU1X0ulyIamvbHiKKNRhwdc8WKD SDHA== X-Gm-Message-State: AC+VfDwkuVMrXjI7ze/ROcbDodyx3Nj+ef1/gR1AD7dTH0kEn2MoSIy3 pHJwPVNCwiIE93+D84xbgGf5VepTs2wzjS+zRa/34cOriDNdLZOofdksNudI8OHLeINjjJt32Hn wwd2F4nDyBS2H+IFvK0c= X-Received: by 2002:a5d:45c6:0:b0:30a:e495:2544 with SMTP id b6-20020a5d45c6000000b0030ae4952544mr3492874wrs.23.1686127668650; Wed, 07 Jun 2023 01:47:48 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4HyIAuVGnzEFE0Y0RegoBmQPKta0aQoYnV+QnWWgwUwsjGZISbQLbaBPCUULIqP84aItfwIg== X-Received: by 2002:a5d:45c6:0:b0:30a:e495:2544 with SMTP id b6-20020a5d45c6000000b0030ae4952544mr3492862wrs.23.1686127668360; Wed, 07 Jun 2023 01:47:48 -0700 (PDT) Received: from localhost (205.pool92-176-231.dynamic.orange.es. [92.176.231.205]) by smtp.gmail.com with ESMTPSA id n1-20020a5d6601000000b0030e5b1fffc3sm1029071wru.9.2023.06.07.01.47.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Jun 2023 01:47:48 -0700 (PDT) From: Javier Martinez Canillas To: Thomas Zimmermann , daniel@ffwll.ch, sam@ravnborg.org, deller@gmx.de, geert+renesas@glider.be, lee@kernel.org, daniel.thompson@linaro.org, jingoohan1@gmail.com Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sh@vger.kernel.org, linux-omap@vger.kernel.org, linux-staging@lists.linux.dev, Thomas Zimmermann Subject: Re: [PATCH 09/30] fbdev/ep93xx-fb: Alloc DMA memory from hardware device In-Reply-To: <20230605144812.15241-10-tzimmermann@suse.de> References: <20230605144812.15241-1-tzimmermann@suse.de> <20230605144812.15241-10-tzimmermann@suse.de> Date: Wed, 07 Jun 2023 10:47:47 +0200 Message-ID: <87o7lrfyks.fsf@minerva.mail-host-address-is-not-set> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org Thomas Zimmermann writes: > Pass the hardware device to the DMA helpers dma_alloc_wc(), dma_mmap_wc() > and dma_free_coherent(). The fbdev device that is currently being used is > a software device and does not provide DMA memory. > > Signed-off-by: Thomas Zimmermann > --- Reviewed-by: Javier Martinez Canillas -- Best regards, Javier Martinez Canillas Core Platforms Red Hat