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Message-ID: <Pine.LNX.4.64.0812181412190.5510@axis700.grange>
Date: Thu, 18 Dec 2008 14:26:10 +0100 (CET)
From: Guennadi Liakhovetski <g.liakhovetski@....de>
To: linux-kernel@...r.kernel.org
cc: linux-fbdev-devel@...ts.sourceforge.net, adaplas@...il.com,
Sascha Hauer <s.hauer@...gutronix.de>,
linux-arm-kernel@...ts.arm.linux.org.uk,
Dan Williams <dan.j.williams@...el.com>
Subject: [PATCH 1/4 v4] dmaengine: add async_tx_clear_ack() macro
From: Guennadi Liakhovetski <lg@...x.de>
To complete the DMA_CTRL_ACK handling API add a async_tx_clear_ack()
macro.
Signed-off-by: Guennadi Liakhovetski <lg@...x.de>
---
No change since previous version. Included for completeness.
include/linux/dmaengine.h | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 64dea2a..c820a3f 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -287,6 +287,11 @@ static inline void async_tx_ack(struct dma_async_tx_descriptor *tx)
tx->flags |= DMA_CTRL_ACK;
}
+static inline void async_tx_clear_ack(struct dma_async_tx_descriptor *tx)
+{
+ tx->flags &= ~DMA_CTRL_ACK;
+}
+
static inline bool async_tx_test_ack(struct dma_async_tx_descriptor *tx)
{
return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK;
--
1.5.4
--
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