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authorColin Cross <ccross@android.com>2010-10-18 15:07:30 -0700
committerDan Willemsen <dwillemsen@nvidia.com>2011-11-30 21:36:26 -0800
commitece89604fb03d92b94fe34ed0b64b4e139a64f9b (patch)
treee324a8ad7bd03fc57923dac278aed2a62b06ae48 /drivers/spi
parent7d8a1ec67f8136488274f16060ff6adfbdffcbaf (diff)
spi: tegra: Use shared DMA channel
To avoid running out of DMA channels, use the shared DMA channel for all four Tegra spi controllers. Change-Id: Iff644253cf7fae36aa2e42321a1ded35a728da4f Signed-off-by: Colin Cross <ccross@android.com>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-tegra.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/spi/spi-tegra.c b/drivers/spi/spi-tegra.c
index b268583ddc23..6731cea5bd7e 100644
--- a/drivers/spi/spi-tegra.c
+++ b/drivers/spi/spi-tegra.c
@@ -530,7 +530,8 @@ static int __init spi_tegra_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&tspi->queue);
- tspi->rx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT);
+ tspi->rx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT |
+ TEGRA_DMA_SHARED);
if (!tspi->rx_dma) {
dev_err(&pdev->dev, "can not allocate rx dma channel\n");
ret = -ENODEV;