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[RFC,v2,6/7] dmaengine: introduce CONFIG_DMA_ENGINE_HOTPLUG for DMA device hotplug

Message ID 1337003229-9158-7-git-send-email-jiang.liu@huawei.com
State Not Applicable
Headers show

Commit Message

Jiang Liu May 14, 2012, 1:47 p.m. UTC 
From: Jiang Liu <jiang.liu@huawei.com>

Introduce CONFIG_DMA_ENGINE_HOTPLUG to enable/disable DMA device hotplug logic.

Signed-off-by: Jiang Liu <liuj97@gmail.com>
---
 drivers/dma/Kconfig |    6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index cf9da36..aba92f0 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -62,6 +62,7 @@  config INTEL_IOATDMA
 	depends on PCI && X86
 	select DMA_ENGINE
 	select DCA
+	select DMA_ENGINE_HOTPLUG
 	select ASYNC_TX_DISABLE_PQ_VAL_DMA
 	select ASYNC_TX_DISABLE_XOR_VAL_DMA
 	help
@@ -263,6 +264,11 @@  config DMA_SA11X0
 config DMA_ENGINE
 	bool
 
+config DMA_ENGINE_HOTPLUG
+	bool
+	default n
+	depends on DMA_ENGINE
+
 comment "DMA Clients"
 	depends on DMA_ENGINE