From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1576341-1516271196-2-5757742574968346344 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, FREEMAIL_FORGED_FROMDOMAIN 0.25, FREEMAIL_FROM 0.001, HEADER_FROM_DIFFERENT_DOMAINS 0.25, RCVD_IN_DNSWL_NONE -0.0001, RCVD_IN_MSPIKE_H3 -0.01, RCVD_IN_MSPIKE_WL -0.01, SPF_PASS -0.001, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.85.218.66', Host='mail-oi0-f66.google.com', Country='US', FromHeader='de', MailFrom='com' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: arndbergmann@gmail.com ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1516271195; b=BARsp5sPHHLiYvjblH9ISTE6zoeQmCL+ACY3mzZhWNgLiBn 6guZ7M8i+cqtpqKEachfONmvggYf5RzQTgIem53Zed4d8zUvDG5fXWyVaZ2m2kI6 TX0y9qy/swdXDcyIdkH5b0hV7MH27kyWYQ5sCvy3Y8dhRe2/6DsZRayGh94iDPq9 hAb8m3FNXDcMZJTGCtQhtVrOpZWM5zd8A4TPH47Gk40k7iWvs4y3JoYIJJkOXyM4 dl1xWm0NGw+nffFcVO8FIMBuSHOrcH55OnpNBNHWRu5Ei+2H93lPLJNV9l3fLTXG NJeaAK2wBELSFKRZ9P1OWUg+GWb5sJhvsia3l4g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=mime-version:sender:in-reply-to :references:from:date:message-id:subject:to:cc:content-type; s= arctest; t=1516271195; bh=E8tWAGnKbwZuux7FHZc8hyvWIVztWohMZXU/ol 0vFuo=; b=JKVBc1kbds9uc1QRlPUYP8DyouFIrEsx3YI01s0uZ9+f5Lkf135DI0 GzBn+LGwThFMB7g/G/dvoFwZkMI57uMb3MVoBG1APXuxfnHYDTH6jzbNt4E8miCm 5RbZq+ms550zNrgJ0urB4XywDoq1lSkmJ2W5C0p851xXTXSqbOniQFwXjmmj6onJ PaUIDqTsEzi0Tviq9N5OHr+SWAmaZlfBSSOQYhY2sdtFRfiij2bZu7hhwaFy2VDq oQPLzIqCX06nnb2t1UHatvVj8y+fHQZRWfmRZFf6O8RmxG09f065Z2wmvxbD9rFU kRrsNoWySaYnQ/T2EV5y7dFqo4/i/CqA== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=BO6mJ6br x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=none (p=none,d=none) header.from=arndb.de; iprev=pass policy.iprev=209.85.218.66 (mail-oi0-f66.google.com); spf=pass smtp.mailfrom=arndbergmann@gmail.com smtp.helo=mail-oi0-f66.google.com; x-aligned-from=fail; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=UWjmmuwz; x-ptr=pass x-ptr-helo=mail-oi0-f66.google.com x-ptr-lookup=mail-oi0-f66.google.com; x-return-mx=pass smtp.domain=gmail.com smtp.result=pass smtp_is_org_domain=yes header.domain=arndb.de header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=BO6mJ6br x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=none (p=none,d=none) header.from=arndb.de; iprev=pass policy.iprev=209.85.218.66 (mail-oi0-f66.google.com); spf=pass smtp.mailfrom=arndbergmann@gmail.com smtp.helo=mail-oi0-f66.google.com; x-aligned-from=fail; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=UWjmmuwz; x-ptr=pass x-ptr-helo=mail-oi0-f66.google.com x-ptr-lookup=mail-oi0-f66.google.com; x-return-mx=pass smtp.domain=gmail.com smtp.result=pass smtp_is_org_domain=yes header.domain=arndb.de header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 X-Google-Smtp-Source: ACJfBosFB++Q9J0BHfeH7/8qrUHySHK7g/8fUZDFSq+YmS8qvlPRIy/JwhWNC1JGwB7kOML4aGncAaG7joAHHWmZizQ= MIME-Version: 1.0 Sender: arndbergmann@gmail.com In-Reply-To: References: From: Arnd Bergmann Date: Thu, 18 Jan 2018 11:26:33 +0100 X-Google-Sender-Auth: iKX1Qhd82i_Ze_F-oViOi511nDo Message-ID: Subject: Re: [PATCH v6 16/36] nds32: DMA mapping API To: Greentime Hu Cc: Greentime , Linux Kernel Mailing List , linux-arch , Thomas Gleixner , Jason Cooper , Marc Zyngier , Rob Herring , Networking , Vincent Chen , DTML , Al Viro , David Howells , Will Deacon , Daniel Lezcano , linux-serial@vger.kernel.org, Geert Uytterhoeven , Linus Walleij , Mark Rutland , Greg KH , Guo Ren , Randy Dunlap , David Miller , Jonas Bonn , Stefan Kristiansson , Stafford Horne , Vincent Chen Content-Type: text/plain; charset="UTF-8" X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Mon, Jan 15, 2018 at 6:53 AM, Greentime Hu wrote: > From: Greentime Hu > > This patch adds support for the DMA mapping API. It uses dma_map_ops for > flexibility. > > Signed-off-by: Vincent Chen > Signed-off-by: Greentime Hu I'm still unhappy about the way the cache flushes are done here as discussed before. It's not a show-stopped, but no Ack from me. Arnd From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH v6 16/36] nds32: DMA mapping API Date: Thu, 18 Jan 2018 11:26:33 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: Greentime , Linux Kernel Mailing List , linux-arch , Thomas Gleixner , Jason Cooper , Marc Zyngier , Rob Herring , Networking , Vincent Chen , DTML , Al Viro , David Howells , Will Deacon , Daniel Lezcano , linux-serial@vger.kernel.org, Geert Uytterhoeven , Linus Walleij , Mark Rutland , Greg KH , Guo Ren Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Mon, Jan 15, 2018 at 6:53 AM, Greentime Hu wrote: > From: Greentime Hu > > This patch adds support for the DMA mapping API. It uses dma_map_ops for > flexibility. > > Signed-off-by: Vincent Chen > Signed-off-by: Greentime Hu I'm still unhappy about the way the cache flushes are done here as discussed before. It's not a show-stopped, but no Ack from me. Arnd From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH v6 16/36] nds32: DMA mapping API Date: Thu, 18 Jan 2018 11:26:33 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Greentime Hu Cc: Greentime , Linux Kernel Mailing List , linux-arch , Thomas Gleixner , Jason Cooper , Marc Zyngier , Rob Herring , Networking , Vincent Chen , DTML , Al Viro , David Howells , Will Deacon , Daniel Lezcano , linux-serial@vger.kernel.org, Geert Uytterhoeven , Linus Walleij , Mark Rutland , Greg KH , Guo Ren List-Id: devicetree@vger.kernel.org On Mon, Jan 15, 2018 at 6:53 AM, Greentime Hu wrote: > From: Greentime Hu > > This patch adds support for the DMA mapping API. It uses dma_map_ops for > flexibility. > > Signed-off-by: Vincent Chen > Signed-off-by: Greentime Hu I'm still unhappy about the way the cache flushes are done here as discussed before. It's not a show-stopped, but no Ack from me. Arnd