From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Subject: Re: [PATCH 4/9] dmaengine: pl330: add new items for pl330 private data Date: Fri, 11 Dec 2015 15:56:38 +0200 Message-ID: References: <1449199466-6081-1-git-send-email-annie.wang@amd.com> <1449199466-6081-5-git-send-email-annie.wang@amd.com> <20151210040909.GM1854@localhost> <20151211092909.GW1854@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: Received: from mail-qk0-f170.google.com ([209.85.220.170]:33732 "EHLO mail-qk0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753092AbbLKN4k (ORCPT ); Fri, 11 Dec 2015 08:56:40 -0500 In-Reply-To: <20151211092909.GW1854@localhost> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Vinod Koul Cc: "Wang, Annie" , Mika Westerberg , Joerg Roedel , Greg Kroah-Hartman , "Rafael J. Wysocki" , "linux-acpi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-serial@vger.kernel.org" , "dmaengine@vger.kernel.org" , "iommu@lists.linux-foundation.org" , Borislav Petkov , "Huang, Ray" , "Wan, Vincent" , "Xue, Ken" , "Li, Tony" On Fri, Dec 11, 2015 at 11:29 AM, Vinod Koul wrote: > On Thu, Dec 10, 2015 at 06:38:09AM +0000, Wang, Annie wrote: >> > >> >Why not DT or ACPI for this? >> > >> We choose to use private data, as pl330 already has struct dma_pl330_platdata. >> Physically DMA share ACPI device with UART, however, BIOS believes DMA and UART is one device. >> We can't get irq share info from ACPI. And we don't use DT. >> > That should be then a MFD device And for me seems like acpi_amba and drivers shall utilize unified device property API. -- With Best Regards, Andy Shevchenko