From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Wed, 12 Jan 2011 15:39:09 +0100 Subject: [PATCH 5/6] dmaengine: at_hdmac: flags located in first descriptor In-Reply-To: <1292435416-16927-1-git-send-email-nicolas.ferre@atmel.com> References: <1292435416-16927-1-git-send-email-nicolas.ferre@atmel.com> Message-ID: <1294843150-6962-4-git-send-email-nicolas.ferre@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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