Messages in this thread | | | Date | Tue, 28 Jul 2015 08:53:29 +0100 | From | Lee Jones <> | Subject | Re: [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit |
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FAO Vinod,
On Tue, 28 Jul 2015, Lee Jones wrote: > On Mon, 27 Jul 2015, Andy Shevchenko wrote: > > > Intel integrated DMA (iDMA) 64-bit is a specific IP that is used as a part of > > LPSS devices such as HSUART or SPI. The iDMA IP is attached for private > > usage on each host controller independently. > > > > While it has similarities with Synopsys DesignWare DMA, the following > > distinctions doesn't allow to use the existing driver: > > - 64-bit mode with corresponding changes in Hardware Linked List data structure > > - many slight differences in the channel registers > > > > Moreover this driver is based on the DMA virtual channels framework that helps > > to make the driver cleaner and easy to understand. > > > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > > --- > > drivers/dma/Kconfig | 8 + > > drivers/dma/Makefile | 1 + > > drivers/dma/idma64.c | 710 +++++++++++++++++++++++++++++++++++++++++++++++++++ > > drivers/dma/idma64.h | 233 +++++++++++++++++ > > 4 files changed, 952 insertions(+) > > create mode 100644 drivers/dma/idma64.c > > create mode 100644 drivers/dma/idma64.h > > Applied, thanks. Pull request to follow.
Will send out a pull request when I have Vinod's Ack.
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Patches will still be applied to -next for soak testing though.
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
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