From: b32955@freescale.com (Huang Shijie)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/4] serial: imx: use the dmaengine_tx_status
Date: Fri, 11 Oct 2013 18:31:01 +0800 [thread overview]
Message-ID: <1381487461-12850-5-git-send-email-b32955@freescale.com> (raw)
In-Reply-To: <1381487461-12850-1-git-send-email-b32955@freescale.com>
Use the dmaengine_tx_status to simplify the code, do not change any logic.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
drivers/tty/serial/imx.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index cadf7e5..13c2c2d 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -521,7 +521,7 @@ static void dma_tx_work(struct work_struct *w)
unsigned long flags;
int ret;
- status = chan->device->device_tx_status(chan, (dma_cookie_t)0, NULL);
+ status = dmaengine_tx_status(chan, (dma_cookie_t)0, NULL);
if (DMA_IN_PROGRESS == status)
return;
@@ -926,7 +926,7 @@ static void dma_rx_callback(void *data)
/* unmap it first */
dma_unmap_sg(sport->port.dev, sgl, 1, DMA_FROM_DEVICE);
- status = chan->device->device_tx_status(chan, (dma_cookie_t)0, &state);
+ status = dmaengine_tx_status(chan, (dma_cookie_t)0, &state);
count = RX_BUF_SIZE - state.residue;
dev_dbg(sport->port.dev, "We get %d bytes.\n", count);
--
1.7.2.rc3
prev parent reply other threads:[~2013-10-11 10:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 10:30 [PATCH 0/4] serail: imx: patches for DMA Huang Shijie
2013-10-11 10:30 ` [PATCH 1/4] serial: imx: implement the flush_buffer hook Huang Shijie
2014-06-03 5:51 ` Wang, Jiada (ESD)
2013-10-11 10:30 ` [PATCH 2/4] serial: imx: check the DMA for imx_tx_empty Huang Shijie
2013-10-11 10:31 ` [PATCH 3/4] serial: imx: fix the wrong number of scatterlist entries when xmit->head is 0 Huang Shijie
2013-10-11 10:31 ` Huang Shijie [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1381487461-12850-5-git-send-email-b32955@freescale.com \
--to=b32955@freescale.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).