linux-kernel - [PATCH v1 3/8] dmaengine: introduce CONFIG_DMA_ENGINE

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Date:	Mon, 23 Apr 2012 21:51:44 +0800
From:	Jiang Liu <liuj97@...il.com>
To:	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>
Cc:	Jiang Liu <jiang.liu@...wei.com>,
	Keping Chen <chenkeping@...wei.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, Jiang Liu <liuj97@...il.com>
Subject: [PATCH v1 3/8] dmaengine: introduce CONFIG_DMA_ENGINE_HOTPLUG for DMA device hotplug

Introduce CONFIG_DMA_ENGINE_HOTPLUG to enable/disable DMA device hotplug logic.

Signed-off-by: Jiang Liu <liuj97@...il.com>
---
 drivers/dma/Kconfig |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

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
 
-- 
1.7.5.4

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