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| author | Liam Girdwood <liam.r.girdwood@linux.intel.com> | 2014-05-02 16:56:31 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-05-02 09:53:02 -0700 |
| commit | 10df350977b15d44dba0b3b44e3da7989711cb8d (patch) | |
| tree | 4c8c6254379f1a798b8a072f3067e5c002a1c362 /sound/soc/intel/sst-dsp-priv.h | |
| parent | 0b708c87f66a15190fb43661c2320fd48c4dc6c8 (diff) | |
| download | talos-obmc-linux-10df350977b15d44dba0b3b44e3da7989711cb8d.tar.gz talos-obmc-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-priv.h')
| -rw-r--r-- | sound/soc/intel/sst-dsp-priv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/intel/sst-dsp-priv.h b/sound/soc/intel/sst-dsp-priv.h index 30ca14a6a835..401213455497 100644 --- a/sound/soc/intel/sst-dsp-priv.h +++ b/sound/soc/intel/sst-dsp-priv.h @@ -228,6 +228,7 @@ struct sst_dsp { spinlock_t spinlock; /* IPC locking */ struct mutex mutex; /* DSP FW lock */ struct device *dev; + struct device *dma_dev; void *thread_context; int irq; u32 id; |
