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 64A34CCA473 for ; Thu, 30 Jun 2022 19:43:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236901AbiF3TnC (ORCPT ); Thu, 30 Jun 2022 15:43:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236883AbiF3TnC (ORCPT ); Thu, 30 Jun 2022 15:43:02 -0400 Received: from mail-pg1-x530.google.com (mail-pg1-x530.google.com [IPv6:2607:f8b0:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8AE0243AF1; Thu, 30 Jun 2022 12:43:01 -0700 (PDT) Received: by mail-pg1-x530.google.com with SMTP id d129so287245pgc.9; Thu, 30 Jun 2022 12:43:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=xvEaFA6L9X7f6lr8BSnAnlsPZYQCBWZ+D/OUmyYmQxQ=; b=azwPIg8iyvR2TPyzC4A8BLZI4a2l3sXTgXC+acBdrYmHdSkJ9DQxZK+Yv378EXfjVg u3f6abTQURR0zB24WV/pO0H2P7lg9olJWCsGfFL0AizvGLIxqbMa803F/KAQJKtz8Pds PQNOfQpesTQ7jjN0HQM4GM/ZXmiI2QzFY7lRQnkhWFwkk9L6Jxry50QLbknDlT4K0xd7 kbngKnhkgTVTiUDu8xAF/+KSZAy7LfMLr2WWkAKPkqtnTHj36OvWO/t3cIjMdmt6kkKj P+qkwiGhrV8NWs/6X8qNitjWbirY7GvcHnVsGfnvVHLfo2kuLraQVIcpefykM4mYAQJv 1C4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=xvEaFA6L9X7f6lr8BSnAnlsPZYQCBWZ+D/OUmyYmQxQ=; b=ma0fOX0u7gQFhKWbfwm+ISfaLB686qoTZoqVpFBgmLeG1vbE9loewhOnx+bb32tscD cyTdpusbDhCnHMCcAMZKG8pfQMW8DlrT/O4X4EL9tou1XPF/ARv6xnK7BwrjI0TtT4Zd qP6c+UUtyT7ciO5xRCdRK/Rav/QaOd6nFA0XeCdVl9JQJQs9gi6X8kxZQ7toYn9RgwoU X8R2BR358grcHgqIE7135DFtVoU2oWhaexAWNDn4CD72PO3MrRtwZ1AIaejBre35Peda 5yNlklCewgWSMVuaUnS56w3RVHz4J8AA22hkhV8n5Rcd19tGK71h0KH7JATAvxXBFPcR 2Xmw== X-Gm-Message-State: AJIora9Ows7ILxmRJ5EouhI5pgcitvwAuolqAjPSEtz1lL4uQ/HRqZfx dwG8h/4GPV98ncZpbkUfj/M= X-Google-Smtp-Source: AGRyM1vO/U7arIww3Inj3VCTepUIpgFTkb8ftK56K/9/R2rIm4lO9B0tbU5dzbdgga/sgCgRX4p8PA== X-Received: by 2002:a63:b1e:0:b0:3fd:43d9:5354 with SMTP id 30-20020a630b1e000000b003fd43d95354mr9126450pgl.294.1656618181101; Thu, 30 Jun 2022 12:43:01 -0700 (PDT) Received: from ?IPV6:2001:df0:0:200c:b411:35d2:9458:bbe5? ([2001:df0:0:200c:b411:35d2:9458:bbe5]) by smtp.gmail.com with ESMTPSA id b1-20020a1709027e0100b001641b2d61d4sm14009820plm.30.2022.06.30.12.42.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Jun 2022 12:43:00 -0700 (PDT) Message-ID: <8bbac75c-dd77-6fc9-3755-bd640816fb79@gmail.com> Date: Fri, 1 Jul 2022 07:42:56 +1200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH v1 2/3] scsi - a2091.c: convert m68k WD33C93 drivers to DMA API Content-Language: en-US To: Geert Uytterhoeven Cc: Arnd Bergmann , Linux/m68k , linux-scsi References: <20220629011638.21783-1-schmitzmic@gmail.com> <20220629011638.21783-3-schmitzmic@gmail.com> <554d6fa7-01b7-d3c8-a72a-6474e9c5038e@gmail.com> <39114583-9c4a-7b19-54d5-516feb556fac@gmail.com> From: Michael Schmitz In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Hi Geert, On 30/06/22 21:27, Geert Uytterhoeven wrote: > >>> Note that you can use it as a bounce buffer, by looking for and marking >>> free chunks in the zorro_unused_z2ram bitmap. >> That would be similar to what amiga_chip_alloc() does, right? Any >> advantages over using chip RAM (faster, perhaps)? > Yes, Z2RAM is faster, as Amiga custom chip DMA does not steal cycles > from Z2RAM. OK, would make sense to use that, but that's well outside scope for this series. Cheers,     Michael > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds