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| author | Liam Girdwood | 2014-05-02 17:56:31 +0200 |
|---|---|---|
| committer | Mark Brown | 2014-05-02 18:53:02 +0200 |
| commit | 10df350977b15d44dba0b3b44e3da7989711cb8d (patch) | |
| tree | 4c8c6254379f1a798b8a072f3067e5c002a1c362 /sound/soc/intel/sst-dsp.c | |
| parent | ASoC: Intel: Fix Haswell/Broadwell DSP page table creation. (diff) | |
| download | kernel-qcow2-linux-10df350977b15d44dba0b3b44e3da7989711cb8d.tar.gz kernel-qcow2-linux-10df350977b15d44dba0b3b44e3da7989711cb8d.tar.xz kernel-qcow2-linux-10df350977b15d44dba0b3b44e3da7989711cb8d.zip | |
ASoC: Intel: Fix Audio DSP usage when IOMMU is enabled.
The Intel IOMMU requires that the ACPI device is used to allocate all
DMA memory buffers. This means we need to pass the DMA device pointer into child
component devices that allocate DMA memory.
We also only set the DMA mask for the ACPI device now instead of for each
component device.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/intel/sst-dsp.c')
| -rw-r--r-- | sound/soc/intel/sst-dsp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/intel/sst-dsp.c b/sound/soc/intel/sst-dsp.c index 0c129fd85ecf..0b715b20a2d7 100644 --- a/sound/soc/intel/sst-dsp.c +++ b/sound/soc/intel/sst-dsp.c @@ -337,6 +337,7 @@ struct sst_dsp *sst_dsp_new(struct device *dev, spin_lock_init(&sst->spinlock); mutex_init(&sst->mutex); sst->dev = dev; + sst->dma_dev = pdata->dma_dev; sst->thread_context = sst_dev->thread_context; sst->sst_dev = sst_dev; sst->id = pdata->id; |