From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965164Ab3DPSEL (ORCPT ); Tue, 16 Apr 2013 14:04:11 -0400 Received: from hydra.sisk.pl ([212.160.235.94]:34491 "EHLO hydra.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936039Ab3DPSEJ (ORCPT ); Tue, 16 Apr 2013 14:04:09 -0400 From: "Rafael J. Wysocki" To: Andy Shevchenko Cc: Vinod Koul , Andy Shevchenko , "Rafael J . Wysocki" , Mika Westerberg , Viresh Kumar , linux-kernel@vger.kernel.org, spear-devel , linux-acpi@vger.kernel.org Subject: Re: [PATCH v2 0/5] dmaengine: add ACPI DMA helpers and use them in dw_dmac Date: Tue, 16 Apr 2013 20:11:57 +0200 Message-ID: <1525811.597RVDyDxu@vostro.rjw.lan> User-Agent: KMail/4.9.5 (Linux/3.9.0-rc6+; KDE/4.9.5; x86_64; ; ) In-Reply-To: <1366114487.7932.29.camel@smile> References: <1365505547-10552-1-git-send-email-andriy.shevchenko@linux.intel.com> <20130415163618.GF12436@intel.com> <1366114487.7932.29.camel@smile> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday, April 16, 2013 03:14:47 PM Andy Shevchenko wrote: > On Mon, 2013-04-15 at 22:06 +0530, Vinod Koul wrote: > > On Tue, Apr 09, 2013 at 02:05:42PM +0300, Andy Shevchenko wrote: > > > There is a patch series which introduces ACPI DMA helpers in similar way like > > > we have for DeviceTree. > > > > > > In addition it applies this to the first user, namely dw_dmac driver. > > Applied w/o 3 & 5.2 they failed, can you pls rebase and resend > > > > Actually those two (at least 5/5) can't be applied on top of slave-dma. > The patches requires slave-dma and linux-pm together. I heard it's > usually achieved by creating a specific branch in one subsystem > (linux-pm in our case) for another. > > Rafael, what could we do here? I suppose Vinod can pull from my acpi-lpss (which is guaranteed not to be rebased at this point) and apply the series on top of that. Thanks, Rafael > > > Since v1: > > > - address one Vinod's comment > > > - replace 5/6 & 6/6 by 5/5 from Rafael > > > - tested on Intel Lynxpoint system > > > > > > Andy Shevchenko (4): > > > dma: acpi-dma: introduce ACPI DMA helpers > > > dmaengine: call acpi_dma_request_slave_channel as well > > > dma: acpi-dma: parse CSRT to extract additional resources > > > dw_dmac: add ACPI support > > > > > > Rafael J. Wysocki (1): > > > ACPI / LPSS: add support of shared clock > > > > > > Documentation/acpi/enumeration.txt | 77 ++++++ > > > drivers/acpi/Makefile | 1 - > > > drivers/acpi/acpi_lpss.c | 26 +- > > > drivers/acpi/csrt.c | 159 ------------ > > > drivers/acpi/internal.h | 1 - > > > drivers/acpi/scan.c | 1 - > > > drivers/clk/x86/clk-lpt.c | 15 +- > > > drivers/dma/Kconfig | 4 + > > > drivers/dma/Makefile | 1 + > > > drivers/dma/acpi-dma.c | 445 +++++++++++++++++++++++++++++++++ > > > drivers/dma/dmaengine.c | 6 + > > > drivers/dma/dw_dmac.c | 68 +++-- > > > drivers/dma/dw_dmac_regs.h | 1 - > > > include/linux/acpi_dma.h | 120 +++++++++ > > > include/linux/platform_data/clk-lpss.h | 5 + > > > 15 files changed, 741 insertions(+), 189 deletions(-) > > > delete mode 100644 drivers/acpi/csrt.c > > > create mode 100644 drivers/dma/acpi-dma.c > > > create mode 100644 include/linux/acpi_dma.h > > > > > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.