From: Huang Shijie <b32955@freescale.com>
To: gregkh@linuxfoundation.org
Cc: linux-serial@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, shawn.guo@linaro.org,
Huang Shijie <b32955@freescale.com>
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
WARNING: multiple messages have this Message-ID (diff)
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
next prev parent reply other threads:[~2013-10-11 10:45 UTC|newest]
Thread overview: 12+ 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 ` Huang Shijie
2013-10-11 10:30 ` [PATCH 1/4] serial: imx: implement the flush_buffer hook Huang Shijie
2013-10-11 10:30 ` Huang Shijie
2014-06-03 5:51 ` Wang, Jiada (ESD)
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 10:30 ` 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
2013-10-11 10:31 ` Huang Shijie [this message]
2013-10-11 10:31 ` [PATCH 4/4] serial: imx: use the dmaengine_tx_status Huang Shijie
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