From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753337AbbGPN03 (ORCPT ); Thu, 16 Jul 2015 09:26:29 -0400 Received: from mga14.intel.com ([192.55.52.115]:65032 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751677AbbGPN01 (ORCPT ); Thu, 16 Jul 2015 09:26:27 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,488,1432623600"; d="scan'208";a="525353841" Date: Thu, 16 Jul 2015 18:58:08 +0530 From: Vinod Koul To: Andy Shevchenko Cc: linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, Greg Kroah-Hartman , Lee Jones , Andrew Morton , Mika Westerberg , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Heikki Krogerus , Jarkko Nikula , "Wysocki, Rafael J" , mturquette@baylibre.com Subject: Re: [PATCH v5 0/8] mfd: introduce a driver for LPSS devices on SPT Message-ID: <20150716132808.GY5086@localhost> References: <1436185334-34275-1-git-send-email-andriy.shevchenko@linux.intel.com> <1436962531.10819.135.camel@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1436962531.10819.135.camel@linux.intel.com> 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 Wed, Jul 15, 2015 at 03:15:31PM +0300, Andy Shevchenko wrote: > On Mon, 2015-07-06 at 15:22 +0300, Andy Shevchenko wrote: > > The new coming Intel platforms such as Skylake will contain > > Sunrisepoint PCH. > > > > The driver is based on MFD framework since the main device, i.e. > > serial bus > > controller, contains register space for itself, DMA part, and an > > additional > > address space (convergence layer). > > > > The public specification of the register map is avaiable in [1]. > > > > This is fifth generation of the patch series to bring support LPSS > > devices > > found on Intel Sunrisepoint (Intel Skylake PCH). Previous one can be > > found here > > [2]. > > > > The series has few logical parts: > > - patches 1-3 prepares PM core, ACPI, and driver core (PM) to handle > > our case > > - patches 4-6 introduce unregistering platform devices in MFD in > > reversed > > order > > - patch 7 implements iDMA 64-bit driver > > - patch 8 introduces an MFD driver for LPSS devices > > > > The patch 7 can be applied independently, though it's better if it > > goes before > > patch 8. > > > > The driver has been tested with SPI and UART on Intel Skylake PCH. > > > > [1] https://download.01.org/future-platform-configuration > > -hub/skylake/register-definitions/332219-002.pdf > > [2] http://www.spinics.net/lists/linux-acpi/msg58622.html > > Gentle ping on this. > > Vinod, can you Ack the DMA driver? I thought it was independent and can go thru dmaengine tree..? -- ~Vinod