diff options
author | Colin Cross <ccross@android.com> | 2010-10-18 15:07:30 -0700 |
---|---|---|
committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:36:26 -0800 |
commit | ece89604fb03d92b94fe34ed0b64b4e139a64f9b (patch) | |
tree | e324a8ad7bd03fc57923dac278aed2a62b06ae48 /drivers/spi | |
parent | 7d8a1ec67f8136488274f16060ff6adfbdffcbaf (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 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; |