From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: [PATCH v5 00/11] serial: 8250: split LPSS to 8250_lpss, enable DMA on Quark Date: Thu, 12 May 2016 21:29:43 +0530 Message-ID: <20160512155943.GC2274@localhost> References: <1462547840-14091-1-git-send-email-andriy.shevchenko@linux.intel.com> <1463065601.17131.319.camel@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1463065601.17131.319.camel@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: Andy Shevchenko Cc: Bryan O'Donoghue , Peter Hurley , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Greg Kroah-Hartman , ismo.puustinen@intel.com, Heikki Krogerus List-Id: linux-serial@vger.kernel.org On Thu, May 12, 2016 at 06:06:41PM +0300, Andy Shevchenko wrote: > 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 > >=20 > > The patch has been tested on few Intel SoCs / platforms. In any cas= e I > > would > > like to ask Bryan to do independent test. > >=20 > > This is targeting serial subsystem, thus it would be nice to get an= d > > Ack from > > Vinod first. Moreover, the series depends on [1] that is now in > > Vinod's > > slave-dma tree. > >=20 > > 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. > >=20 > > The series can be reached in the branch located at [2]. > >=20 > > [1] http://www.spinics.net/lists/kernel/msg2244475.html > > [2] https://bitbucket.org/andy-shev/linux/branch/topic%2Fdw%2Fqrk > >=20 >=20 > 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. All dmaengine patches Acked-by: Vinod Koul Thanks --=20 ~Vinod >=20 > > 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) > >=20 > > Since v3: > > - rebase on top of recent tty-next branch > > - add Reviewed-by tag from Bryan > >=20 > > Since v2: > > - add tags > > - rebase on top of new version of [1] > >=20 > > 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 > >=20 > > Andy Shevchenko (11): > > =A0 dmaengine: dw: keep copy of custom slave config in dwc > > =A0 dmaengine: dw: provide probe(), remove() stubs for users > > =A0 dmaengine: dw: set polarity of handshake interface > > =A0 dmaengine: dw: override LLP support if asked in platform data > > =A0 serial: 8250_dma: switch to new dmaengine_terminate_* API > > =A0 serial: 8250_dma: adjust DMA address of the UART > > =A0 serial: 8250: enable AFE on ports where FIFO is 16 bytes > > =A0 serial: 8250_lpss: split LPSS driver to separate module > > =A0 serial: 8250_lpss: move Quark code from PCI driver > > =A0 serial: 8250_lpss: enable MSI for Intel Quark > > =A0 serial: 8250_lpss: enable DMA on Intel Quark UART > >=20 > > =A0drivers/dma/dw/core.c=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0|=A0=A043 +++-- > > =A0drivers/dma/dw/regs.h=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0|=A0=A0=A05 +- > > =A0drivers/tty/serial/8250/8250.h=A0=A0=A0=A0=A0=A0=A0|=A0=A0=A05 + > > =A0drivers/tty/serial/8250/8250_dma.c=A0=A0=A0|=A0=A014 +- > > =A0drivers/tty/serial/8250/8250_lpss.c=A0=A0| 357 > > +++++++++++++++++++++++++++++++++++ > > =A0drivers/tty/serial/8250/8250_pci.c=A0=A0=A0| 257 +--------------= ---------- > > =A0drivers/tty/serial/8250/8250_port.c=A0=A0|=A0=A0=A09 +- > > =A0drivers/tty/serial/8250/Kconfig=A0=A0=A0=A0=A0=A0|=A0=A016 +- > > =A0drivers/tty/serial/8250/Makefile=A0=A0=A0=A0=A0|=A0=A0=A01 + > > =A0include/linux/dma/dw.h=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0= =A0|=A0=A0=A05 + > > =A0include/linux/platform_data/dma-dw.h |=A0=A0=A04 + > > =A011 files changed, 430 insertions(+), 286 deletions(-) > > =A0create mode 100644 drivers/tty/serial/8250/8250_lpss.c > >=20 >=20 > --=20 > Andy Shevchenko > Intel Finland Oy >=20