linux-kernel - [PATCH 2/2] ioatdma: add DMA

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Date:	Tue, 18 Jun 2013 17:46:53 -0700
From:	Jon Mason <jon.mason@...el.com>
To:	Dan Williams <djbw@...com>
Cc:	Vinod Koul <vinod.koul@...el.com>,
	Dave Jiang <dave.jiang@...el.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] ioatdma: add DMA_PRIVATE capabilities flag

Set the DMA_PRIVATE dma_transaction_type in the capability mask.  This
enables the ability to get an exclusive ioatdma DMA channel for any
devices that requests one via the dma_request_channel function call.

Signed-off-by: Jon Mason <jon.mason@...el.com>
Acked-by: Dave Jiang <dave.jiang@...el.com>
---
 drivers/dma/ioat/dma_v3.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index ca6ea9b..ac2aeef 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -1883,6 +1883,7 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca)
 		dma->copy_align = 6;
 
 	dma_cap_set(DMA_INTERRUPT, dma->cap_mask);
+	dma_cap_set(DMA_PRIVATE, dma->cap_mask);
 	dma->device_prep_dma_interrupt = ioat3_prep_interrupt_lock;
 
 	device->cap = readl(device->reg_base + IOAT_DMA_CAP_OFFSET);
-- 
1.7.9.5

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