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=-8.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,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 BAE30C43387 for ; Sat, 5 Jan 2019 04:00:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 83ACF21874 for ; Sat, 5 Jan 2019 04:00:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="WYx1VGXR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726202AbfAEEAk (ORCPT ); Fri, 4 Jan 2019 23:00:40 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:45591 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726024AbfAEEAk (ORCPT ); Fri, 4 Jan 2019 23:00:40 -0500 Received: by mail-pl1-f194.google.com with SMTP id a14so18240993plm.12 for ; Fri, 04 Jan 2019 20:00:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=XBES4MHEsab8Mdz+58srwkH7ZLLmKHt+tAAztkoTbrA=; b=WYx1VGXR/gZsC3TfRyX0MXNF/wE/KqMdD9PnmpAVuuwhoPbviNmAd5mmFOpdZzzpNk I0gQNq4+QSQLdzcH0NJ4lsKzJlqhrILmjSonY/dPf2/rfG3ogtH1AOi08h9uowQSBOQv 9XlGBQ10Tn8VIXyMJvaJTE6CYEM9z238pqxwo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=XBES4MHEsab8Mdz+58srwkH7ZLLmKHt+tAAztkoTbrA=; b=SKF70M0qycB4jNY3vywFGhpBU9CoiJsnlKOQNzVPGUoryaI0K/ofeQmwZcNcXROU9U JckJPmTjgQ6x1iQNGyoBJrXk8d6WnD9se+OAw8oMx9eGXZtroWBRKc9K8Xf88NVhz3Oc wqj+2VJhxtI33PVIwRF0mP8W3X6IUuPBwruCpzc5P3t3XwGL17mcER+snkyx9t/14aM4 /fhS4unNP/YSm5D9toI2P4NJLKU9TmuMsmPZV5LWY+t4jjNlDuPii8y1DnAg9i5M3UPh OOq//EF/BVZZqkEo6NjKJUYorhtfsslFdNDPw+u5l+O9qdj0vmsZejcfA/xZCM4lszcC lWMQ== X-Gm-Message-State: AJcUukdoC4/aMIQHgFgg9eDn9fawews539E93H2VG3sX4i8yBcy4G64x QfHr2pcbuW+8OMYB1TI2YyUI X-Google-Smtp-Source: ALg8bN5Rf3inoXsTskm4Jhz0Qehk1qvyaIdRc/KShbEsoXbOnh9s6XhsblrGze2RV+VTVOhFnF+WCQ== X-Received: by 2002:a17:902:a98c:: with SMTP id bh12mr53680357plb.31.1546660839175; Fri, 04 Jan 2019 20:00:39 -0800 (PST) Received: from Mani-XPS-13-9360 ([2405:204:72cb:a88d:406c:3ac8:e78f:4779]) by smtp.gmail.com with ESMTPSA id z186sm91652033pfz.119.2019.01.04.20.00.32 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 04 Jan 2019 20:00:38 -0800 (PST) Date: Sat, 5 Jan 2019 09:30:30 +0530 From: Manivannan Sadhasivam To: John Stultz Cc: lkml , Vinod Koul , Rob Herring , Mark Rutland , Tanglei Han , Zhuangluan Su , Ryan Grachek , dmaengine@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH 2/8 v2] Documentation: bindings: k3dma: Add binding for dma-avail-chan Message-ID: <20190105040030.GF2477@Mani-XPS-13-9360> References: <1546635388-13795-1-git-send-email-john.stultz@linaro.org> <1546635388-13795-3-git-send-email-john.stultz@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1546635388-13795-3-git-send-email-john.stultz@linaro.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi John, On Fri, Jan 04, 2019 at 12:56:22PM -0800, John Stultz wrote: > Some dma channels can be reserved for secure mode or other > hardware on the SoC, so provide a binding for a bitmask > listing the available channels for the kernel to use. > > Cc: Vinod Koul > Cc: Rob Herring > Cc: Mark Rutland > Cc: Tanglei Han > Cc: Zhuangluan Su > Cc: Ryan Grachek > Cc: Manivannan Sadhasivam > Cc: dmaengine@vger.kernel.org > Cc: devicetree@vger.kernel.org > Signed-off-by: John Stultz > --- > Documentation/devicetree/bindings/dma/k3dma.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt > index 10a2f15..1c466c1 100644 > --- a/Documentation/devicetree/bindings/dma/k3dma.txt > +++ b/Documentation/devicetree/bindings/dma/k3dma.txt > @@ -14,6 +14,9 @@ Required properties: > have specific request line > - clocks: clock required > > +Optional properties: > +- dma-avail-chan: Bitmask of available physical channels > + This property looks too generic. Since this is specific to HiSi SoCs, this could be "hisi-dma-avail-chan"? Thanks, Mani > Example: > > Controller: > -- > 2.7.4 >