From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756595AbeAROZ1 (ORCPT ); Thu, 18 Jan 2018 09:25:27 -0500 Received: from regular1.263xmail.com ([211.150.99.134]:42456 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756520AbeAROZX (ORCPT ); Thu, 18 Jan 2018 09:25:23 -0500 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: robin.murphy@arm.com X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: <8ebb16cb97872a57ad8b9f823f5ad968> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Message-ID: <5A60AE41.2050101@rock-chips.com> Date: Thu, 18 Jan 2018 22:25:05 +0800 From: JeffyChen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:19.0) Gecko/20130126 Thunderbird/19.0 MIME-Version: 1.0 To: Robin Murphy , linux-kernel@vger.kernel.org, tfiga@chromium.org CC: jcliang@chromium.org, xxm@rock-chips.com, devicetree@vger.kernel.org, Heiko Stuebner , linux-rockchip@lists.infradead.org, iommu@lists.linux-foundation.org, Rob Herring , Mark Rutland , Joerg Roedel , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v4 08/13] iommu/rockchip: Control clocks needed to access the IOMMU References: <20180118115251.5542-1-jeffy.chen@rock-chips.com> <20180118115251.5542-9-jeffy.chen@rock-chips.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Robin, On 01/18/2018 08:27 PM, Robin Murphy wrote: >> > > Is it worth using the clk_bulk_*() APIs for this? At a glance, most of > the code being added here appears to duplicate what those functions > already do (but I'm no clk API expert, for sure). right, i think it's doable, the clk_bulk APIs are very helpful. i think we didn't use that is because this patch were wrote for the chromeos 4.4 kernel, which doesn't have clk_bulk yet:) will do it in the next version, thanks. > > Robin.