dmaengine, async_tx: add a "no channel switch" allocator

[safe/jmp/linux-2.6] / drivers / dma / Kconfig

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 912a51b..ddcd979 100644 (file)
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -17,11 +17,15 @@ if DMADEVICES
 
 comment "DMA Devices"
 
+config ASYNC_TX_DISABLE_CHANNEL_SWITCH
+       bool
+
 config INTEL_IOATDMA
        tristate "Intel I/OAT DMA support"
        depends on PCI && X86
        select DMA_ENGINE
        select DCA
+       select ASYNC_TX_DISABLE_CHANNEL_SWITCH
        help
          Enable support for the Intel(R) I/OAT DMA engine present
          in recent Intel Xeon chipsets.