From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422686AbcIGQLs (ORCPT ); Wed, 7 Sep 2016 12:11:48 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:42013 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422644AbcIGQLq (ORCPT ); Wed, 7 Sep 2016 12:11:46 -0400 Subject: Re: [PATCH 0/5] Use mmio-sram driver for Keystone MSMC RAM To: Suman Anna , Santosh Shilimkar References: <20160901225846.31058-1-s-anna@ti.com> Cc: Russell King , Rob Herring , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Tero Kristo , Murali Karicheri , Vitaly Andrianov From: Santosh Shilimkar Organization: Oracle Corporation Message-ID: Date: Wed, 7 Sep 2016 09:11:05 -0700 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <20160901225846.31058-1-s-anna@ti.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Suman, On 9/1/2016 3:58 PM, Suman Anna wrote: > Hi, > > The Keystone 2 family of SoCs have an on-chip RAM called the > Multicore Shared Memory (MSM) RAM. This RAM is accessible through > the Multicore Shared Memory Controller (MSMC). This series represents > these on-chip RAMs as sram nodes so that the memory allocations > can be managed by the in-kernel mmio-sram driver. > > The first 4 patches adds the basic SRAM nodes on each of the SoCs, > and the last patch enables the generic on-chip SRAM driver for > keystone defconfig. > The series looks good in general but I would like to understand the users of this memory in kernel. Is that going to be posted as a follow up patch ? Is the Power controller going to make use of this SRAM for PM code ? Regards, Santosh