diff options
| author | Laxman Dewangan <ldewangan@nvidia.com> | 2011-04-18 16:35:41 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:43:23 -0800 |
| commit | 6dc0b6f14e0486e66aa3df5b14d94010e07a52e5 (patch) | |
| tree | fdbb6cc17c3a7fea8e67040f04e0197c79781a04 /drivers/spi | |
| parent | e0eb8e1b0d9e6bd20e6c6b6b136a98db728730e7 (diff) | |
arm: tegra: dma: Adding client name with dma allocation.
By changing the dma allocation API to take the client name, it is easy
to track who is allocated the DMA channels when we run out of the
DMA channels.
Original-Change-Id: I016011cfd74089fed0da1bc0f121800017ce124a
Reviewed-on: http://git-master/r/28031
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Original-Change-Id: I048bcb87f95ee6d8ad2fdce993a1758dc5071666
Rebase-Id: R29b9645ecbe209f571018c6e707bfdd9cd65ad5d
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-tegra.c | 6 | ||||
| -rw-r--r-- | drivers/spi/spi_slave_tegra.c | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/spi/spi-tegra.c b/drivers/spi/spi-tegra.c index 4d80e8316aa1..ae8762050f1f 100644 --- a/drivers/spi/spi-tegra.c +++ b/drivers/spi/spi-tegra.c @@ -1126,7 +1126,8 @@ static int __init spi_tegra_probe(struct platform_device *pdev) init_completion(&tspi->rx_dma_complete); - tspi->rx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT); + tspi->rx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT, + "spi_rx_%d", pdev->id); if (!tspi->rx_dma) { dev_err(&pdev->dev, "can not allocate rx dma channel\n"); ret = -ENODEV; @@ -1154,7 +1155,8 @@ static int __init spi_tegra_probe(struct platform_device *pdev) tspi->rx_dma_req.req_sel = spi_tegra_req_sels[pdev->id]; tspi->rx_dma_req.dev = tspi; - tspi->tx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT); + tspi->tx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT, + "spi_tx_%d", pdev->id); if (!tspi->tx_dma) { dev_err(&pdev->dev, "can not allocate tx dma channel\n"); ret = -ENODEV; diff --git a/drivers/spi/spi_slave_tegra.c b/drivers/spi/spi_slave_tegra.c index 568c987ff744..c95c852d94bb 100644 --- a/drivers/spi/spi_slave_tegra.c +++ b/drivers/spi/spi_slave_tegra.c @@ -1097,7 +1097,8 @@ static int __init spi_tegra_probe(struct platform_device *pdev) init_completion(&tspi->rx_dma_complete); - tspi->rx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT); + tspi->rx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT, + "spi_rx_%d", pdev->id); if (!tspi->rx_dma) { dev_err(&pdev->dev, "can not allocate rx dma channel\n"); ret = -ENODEV; @@ -1125,7 +1126,8 @@ static int __init spi_tegra_probe(struct platform_device *pdev) tspi->rx_dma_req.req_sel = spi_tegra_req_sels[pdev->id]; tspi->rx_dma_req.dev = tspi; - tspi->tx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT); + tspi->tx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT, + "spi_tx_%d", pdev->id); if (!tspi->tx_dma) { dev_err(&pdev->dev, "can not allocate tx dma channel\n"); ret = -ENODEV; |