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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
| commit | 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch) | |
| tree | b406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/dma/tegra186-gpc-dma.c | |
| parent | Adding upstream version 6.7.12. (diff) | |
| download | linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip | |
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/dma/tegra186-gpc-dma.c')
| -rw-r--r-- | drivers/dma/tegra186-gpc-dma.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c index fa4d4142a6..3642508e88 100644 --- a/drivers/dma/tegra186-gpc-dma.c +++ b/drivers/dma/tegra186-gpc-dma.c @@ -746,6 +746,9 @@ static int tegra_dma_get_residual(struct tegra_dma_channel *tdc) bytes_xfer = dma_desc->bytes_xfer + sg_req[dma_desc->sg_idx].len - (wcount * 4); + if (dma_desc->bytes_req == bytes_xfer) + return 0; + residual = dma_desc->bytes_req - (bytes_xfer % dma_desc->bytes_req); return residual; @@ -1348,8 +1351,8 @@ static int tegra_dma_program_sid(struct tegra_dma_channel *tdc, int stream_id) static int tegra_dma_probe(struct platform_device *pdev) { const struct tegra_dma_chip_data *cdata = NULL; - struct iommu_fwspec *iommu_spec; - unsigned int stream_id, i; + unsigned int i; + u32 stream_id; struct tegra_dma *tdma; int ret; @@ -1378,12 +1381,10 @@ static int tegra_dma_probe(struct platform_device *pdev) tdma->dma_dev.dev = &pdev->dev; - iommu_spec = dev_iommu_fwspec_get(&pdev->dev); - if (!iommu_spec) { + if (!tegra_dev_iommu_get_stream_id(&pdev->dev, &stream_id)) { dev_err(&pdev->dev, "Missing iommu stream-id\n"); return -EINVAL; } - stream_id = iommu_spec->ids[0] & 0xffff; ret = device_property_read_u32(&pdev->dev, "dma-channel-mask", &tdma->chan_mask); |