From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752902AbcELPFq (ORCPT ); Thu, 12 May 2016 11:05:46 -0400 Received: from mga14.intel.com ([192.55.52.115]:65034 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751929AbcELPFo (ORCPT ); Thu, 12 May 2016 11:05:44 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,610,1455004800"; d="scan'208";a="102016588" Message-ID: <1463065601.17131.319.camel@linux.intel.com> Subject: Re: [PATCH v5 00/11] serial: 8250: split LPSS to 8250_lpss, enable DMA on Quark From: Andy Shevchenko To: "Bryan O'Donoghue" , Peter Hurley , linux-serial@vger.kernel.org, Vinod Koul , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Greg Kroah-Hartman , ismo.puustinen@intel.com, Heikki Krogerus Date: Thu, 12 May 2016 18:06:41 +0300 In-Reply-To: <1462547840-14091-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1462547840-14091-1-git-send-email-andriy.shevchenko@linux.intel.com> Organization: Intel Finland Oy Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.18.5.1-1 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2016-05-06 at 18:17 +0300, Andy Shevchenko wrote: > This is combined series of two things: > - split out the Intel LPSS specific driver from 8250_pci into > 8250_lpss > - enable DMA support on Intel Quark UART > > The patch has been tested on few Intel SoCs / platforms. In any case I > would > like to ask Bryan to do independent test. > > This is targeting serial subsystem, thus it would be nice to get and > Ack from > Vinod first. Moreover, the series depends on [1] that is now in > Vinod's > slave-dma tree. > > That's why I asked Vinod to create immutable tag / branch for the [1] > and the > dependants (at least one more, which is sata_dwc_460ex) can use it. > > The series can be reached in the branch located at [2]. > > [1] http://www.spinics.net/lists/kernel/msg2244475.html > [2] https://bitbucket.org/andy-shev/linux/branch/topic%2Fdw%2Fqrk > Do we have a chance to get this? Requirement, i.e. topic/dw branch of Vinod's slave-dma tree is available and has all prerequisites. > Since v4: > - fix an issue what kernel test bot reported (lkp) > - add a list of supported SoC to Kconfig (Bryan) > - rename polarity -> hs_polarity (Bryan) > > Since v3: > - rebase on top of recent tty-next branch > - add Reviewed-by tag from Bryan > > Since v2: > - add tags > - rebase on top of new version of [1] > > Since v1: > - address most of Peter's comments (mostly changelog to patch 8) > - add tag to patch 5 > - drop patch 6 from the series to be separately dealt with > > Andy Shevchenko (11): >   dmaengine: dw: keep copy of custom slave config in dwc >   dmaengine: dw: provide probe(), remove() stubs for users >   dmaengine: dw: set polarity of handshake interface >   dmaengine: dw: override LLP support if asked in platform data >   serial: 8250_dma: switch to new dmaengine_terminate_* API >   serial: 8250_dma: adjust DMA address of the UART >   serial: 8250: enable AFE on ports where FIFO is 16 bytes >   serial: 8250_lpss: split LPSS driver to separate module >   serial: 8250_lpss: move Quark code from PCI driver >   serial: 8250_lpss: enable MSI for Intel Quark >   serial: 8250_lpss: enable DMA on Intel Quark UART > >  drivers/dma/dw/core.c                |  43 +++-- >  drivers/dma/dw/regs.h                |   5 +- >  drivers/tty/serial/8250/8250.h       |   5 + >  drivers/tty/serial/8250/8250_dma.c   |  14 +- >  drivers/tty/serial/8250/8250_lpss.c  | 357 > +++++++++++++++++++++++++++++++++++ >  drivers/tty/serial/8250/8250_pci.c   | 257 +------------------------ >  drivers/tty/serial/8250/8250_port.c  |   9 +- >  drivers/tty/serial/8250/Kconfig      |  16 +- >  drivers/tty/serial/8250/Makefile     |   1 + >  include/linux/dma/dw.h               |   5 + >  include/linux/platform_data/dma-dw.h |   4 + >  11 files changed, 430 insertions(+), 286 deletions(-) >  create mode 100644 drivers/tty/serial/8250/8250_lpss.c > -- Andy Shevchenko Intel Finland Oy