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Message-Id: <1294843150-6962-4-git-send-email-nicolas.ferre@atmel.com>
Date: Wed, 12 Jan 2011 15:39:09 +0100
From: Nicolas Ferre <nicolas.ferre@...el.com>
To: dan.j.williams@...el.com, linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org, hong.xu@...el.com,
Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH 5/6] dmaengine: at_hdmac: flags located in first descriptor
Place flags on first descriptor of chain instead of last.
This is the one used by atc_chain_complete() function while unmapping.
Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
---
drivers/dma/at_hdmac.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index a1a0fc6..99942a5 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -603,7 +603,7 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
/* set end-of-link to the last link descriptor of list*/
set_desc_eol(desc);
- desc->txd.flags = flags; /* client is in control of this ack */
+ first->txd.flags = flags; /* client is in control of this ack */
return &first->txd;
@@ -748,8 +748,8 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
first->txd.cookie = -EBUSY;
first->len = total_len;
- /* last link descriptor of list is responsible of flags */
- prev->txd.flags = flags; /* client is in control of this ack */
+ /* first link descriptor of list is responsible of flags */
+ first->txd.flags = flags; /* client is in control of this ack */
return &first->txd;
--
1.7.3
--
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