From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932205AbdJXQOw (ORCPT ); Tue, 24 Oct 2017 12:14:52 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:41526 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751336AbdJXQOs (ORCPT ); Tue, 24 Oct 2017 12:14:48 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org CF4CF602BC Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=jcrouse@codeaurora.org Date: Tue, 24 Oct 2017 10:14:44 -0600 From: Jordan Crouse To: Benjamin Gaignard Cc: labbott@redhat.com, sumit.semwal@linaro.org, gregkh@linuxfoundation.org, arve@android.com, riandrews@android.com, broonie@kernel.org, dan.carpenter@oracle.com, devel@driverdev.osuosl.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v6 2/2] staging: ion: create one device entry per heap Message-ID: <20171024161444.GA14939@jcrouse-lnx.qualcomm.com> Mail-Followup-To: Benjamin Gaignard , labbott@redhat.com, sumit.semwal@linaro.org, gregkh@linuxfoundation.org, arve@android.com, riandrews@android.com, broonie@kernel.org, dan.carpenter@oracle.com, devel@driverdev.osuosl.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org References: <1508774137-13835-1-git-send-email-benjamin.gaignard@linaro.org> <1508774137-13835-3-git-send-email-benjamin.gaignard@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1508774137-13835-3-git-send-email-benjamin.gaignard@linaro.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 23, 2017 at 05:55:37PM +0200, Benjamin Gaignard wrote: > Instead a getting only one common device "/dev/ion" for > all the heaps this patch allow to create one device > entry ("/dev/ionX") per heap. > Getting an entry per heap could allow to set security rules > per heap and global ones for all heaps. > > Allocation requests will be only allowed if the mask_id > match with device minor. > Query request could be done on any of the devices. > > Ion devices are parentless so it is need to add platform_bus as > parent and platform_bus_type as bus to be put in /sys/device/paltform. nit: paltform -> platform. Jordan -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project