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Re: [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit

From Vinod Koul <vinod.koul@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit
Date 2015-07-28 10:50 +0200
Message-ID <pR8Kd-43p-11@gated-at.bofh.it> (permalink)
References <pQScq-5tI-15@gated-at.bofh.it> <pQScq-5tI-41@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Jul 27, 2015 at 06:04:02PM +0300, 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.
Acked-by: Vinod Koul <vinod.koul@intel.com>

-- 
~Vinod

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Thread

[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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