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| author | Colin Cross <ccross@android.com> | 2010-10-18 15:07:30 -0700 |
|---|---|---|
| committer | Colin Cross <ccross@android.com> | 2010-10-18 15:44:51 -0700 |
| commit | dca2f292ae2126db4c1e86c0eb2c74fa4e500c3c (patch) | |
| tree | aecfae306d5b907b0105aa37b328d9d020c5c0d4 /drivers/spi | |
| parent | faa973c0bd14146b3e2147c0ec694c8253221619 (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.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/spi/spi_tegra.c b/drivers/spi/spi_tegra.c index 33226408b447..842ac14f745d 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; |