spi: add DMA support for Intel Moorestown SPI controller
PATCH 2/2 spi: add DMA support for Intel Moorestown SPI controller
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6dbcddf7fefbef8b8828ecb358dc177f37685c46Mon Sep 17 00:00:00 2001
From: Feng Tang <[email protected]>
Date: Mon, 15 Jun 2009 17:00:11 +0800
Subject: [PATCH 2/2] spi: add DMA support for Intel Moorestown SPI controller
The DMA has been only tested with the DMA controller 2 on the Moorestown platform
Signed-off-by Feng Tang <[email protected]>
--- drivers/spi/Kconfig | 7 ++ drivers/spi/mrst_spi.c | 208 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 215 insertions(+), 0 deletions(-)
drivers/spi/Kconfig +7 -0
@@ -229,6 +229,13 @@ config SPI_MRST The controller is a PCI device, and its core is a Synopsis DesignWare SPI controller. +config SPI_MRST_DMA + boolean "Enable DMA for MRST SPI0 controller" + default y + depends on SPI_MRST && INTEL_LNW_DMAC2 + help + This has to be enabled after Moorestown DMAC2 driver is enabled + # # Add new SPI master controllers in alphabetical order above this line #
drivers/spi/mrst_spi.c +208 -0
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