diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/io-pgtable-arm.c | 11 | ||||
| -rw-r--r-- | drivers/iommu/msm_dma_iommu_mapping.c | 1 |
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index a892b73a4288..4036997f49c7 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -935,9 +935,14 @@ arm_64_lpae_alloc_pgtable_s1(struct io_pgtable_cfg *cfg, void *cookie) return NULL; /* TCR */ - reg = (ARM_LPAE_TCR_SH_IS << ARM_LPAE_TCR_SH0_SHIFT) | - (ARM_LPAE_TCR_RGN_NC << ARM_LPAE_TCR_IRGN0_SHIFT) | - (ARM_LPAE_TCR_RGN_NC << ARM_LPAE_TCR_ORGN0_SHIFT); + if (cfg->iommu_dev && cfg->iommu_dev->archdata.dma_coherent) + reg = (ARM_LPAE_TCR_SH_OS << ARM_LPAE_TCR_SH0_SHIFT) | + (ARM_LPAE_TCR_RGN_WBWA << ARM_LPAE_TCR_IRGN0_SHIFT) | + (ARM_LPAE_TCR_RGN_WBWA << ARM_LPAE_TCR_ORGN0_SHIFT); + else + reg = (ARM_LPAE_TCR_SH_IS << ARM_LPAE_TCR_SH0_SHIFT) | + (ARM_LPAE_TCR_RGN_NC << ARM_LPAE_TCR_IRGN0_SHIFT) | + (ARM_LPAE_TCR_RGN_NC << ARM_LPAE_TCR_ORGN0_SHIFT); switch (1 << data->pg_shift) { case SZ_4K: diff --git a/drivers/iommu/msm_dma_iommu_mapping.c b/drivers/iommu/msm_dma_iommu_mapping.c index 334f4e95c068..0a8728ce36dc 100644 --- a/drivers/iommu/msm_dma_iommu_mapping.c +++ b/drivers/iommu/msm_dma_iommu_mapping.c @@ -376,6 +376,7 @@ int msm_dma_unmap_all_for_dev(struct device *dev) return ret; } +EXPORT_SYMBOL(msm_dma_unmap_all_for_dev); /* * Only to be called by ION code when a buffer is freed |