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Groups > linux.kernel > #1193845
| From | Lee Jones <lee.jones@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit |
| Date | 2015-07-28 10:00 +0200 |
| Message-ID | <pR7XQ-2To-23@gated-at.bofh.it> (permalink) |
| References | <pQScq-5tI-15@gated-at.bofh.it> <pQScq-5tI-41@gated-at.bofh.it> <pR7Oa-2HP-31@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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. [...] 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-07-27 17:10 +0200
Re: [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit Lee Jones <lee.jones@linaro.org> - 2015-07-28 10:00 +0200
Re: [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-07-28 10:20 +0200
Re: [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit Vinod Koul <vinod.koul@intel.com> - 2015-07-28 10:50 +0200
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