summaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
authorGerrit Code Review <gerrit2@git-master.nvidia.com>2010-01-29 05:55:11 +0200
committerGerrit Code Review <gerrit2@git-master.nvidia.com>2010-01-29 05:55:11 +0200
commit77fdc251c3d85a8dc956d2b67180c86fb12b8d1e (patch)
treeba17a8f22f342928f84d81655d939811065c7838 /arch/arm
parentbe2a66ed904211824cb577674ad531dbb557defb (diff)
parentd380392a01015b6ee863e56e9a56f9a734fbea86 (diff)
Merge change Ic82f1749 into android-tegra-2.6.29
* changes: tegra: Fix buges in DMA mode for high speed UART trasmit.
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-tegra/dma.c10
-rw-r--r--arch/arm/mach-tegra/include/mach/dma.h1
2 files changed, 6 insertions, 5 deletions
diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c
index bbd3691240ea..aae36b30664d 100644
--- a/arch/arm/mach-tegra/dma.c
+++ b/arch/arm/mach-tegra/dma.c
@@ -506,11 +506,11 @@ static void handle_oneshot_dma(struct tegra_dma_channel *ch)
list_del(&req->list);
req->bytes_transferred = bytes_transferred;
- req->status = 0;
+ req->status = TEGRA_DMA_REQ_SUCCESS;
spin_unlock(&ch->lock);
/* Callback should be called without any lock */
- req->complete(req, 0);
+ req->complete(req, TEGRA_DMA_REQ_SUCCESS);
spin_lock(&ch->lock);
}
@@ -547,7 +547,7 @@ static void handle_continuous_dma(struct tegra_dma_channel *ch)
req->buffer_status = TEGRA_DMA_REQ_BUF_STATUS_HALF_FULL;
/* DMA lock is NOT held when callbak is called */
spin_unlock(&ch->lock);
- req->threshold(req, 0);
+ req->threshold(req, TEGRA_DMA_REQ_SUCCESS);
return;
} else if (req->buffer_status ==
@@ -563,12 +563,12 @@ static void handle_continuous_dma(struct tegra_dma_channel *ch)
req->buffer_status = TEGRA_DMA_REQ_BUF_STATUS_FULL;
req->bytes_transferred = bytes_transferred;
- req->status = 0;
+ req->status = TEGRA_DMA_REQ_SUCCESS;
list_del(&req->list);
/* DMA lock is NOT held when callbak is called */
spin_unlock(&ch->lock);
- req->complete(req, 0);
+ req->complete(req, TEGRA_DMA_REQ_SUCCESS);
return;
} else {
diff --git a/arch/arm/mach-tegra/include/mach/dma.h b/arch/arm/mach-tegra/include/mach/dma.h
index 508e2fcf8409..0b79861edfd2 100644
--- a/arch/arm/mach-tegra/include/mach/dma.h
+++ b/arch/arm/mach-tegra/include/mach/dma.h
@@ -31,6 +31,7 @@ enum tegra_dma_mode {
};
enum tegra_dma_req_error {
+ TEGRA_DMA_REQ_SUCCESS = 0,
TEGRA_DMA_REQ_ERROR_ABOTRED,
};