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| author | Yuanyuan Liu <yuanliu@codeaurora.org> | 2016-05-03 18:38:21 -0700 |
|---|---|---|
| committer | Jeevan Shriram <jshriram@codeaurora.org> | 2016-05-05 15:05:54 -0700 |
| commit | 12fcd447522e37cdafd2f9c3e35b488fd412691f (patch) | |
| tree | 1357925ff0f3e39ff76b52a96d7300edc4589928 | |
| parent | 1f75bbf5b6715d46819a285aaa66177f21ea6365 (diff) | |
icnss: Enable SMMU BYPASS mode
The plan was to use bypass mode till fastpath API's
are available. Hence enable SMMU BYPASS mode.
Change-Id: I53bcd8293f7587ddba64ed0e019b77eee62b5e72
Signed-off-by: Yuanyuan Liu <yuanliu@codeaurora.org>
| -rw-r--r-- | drivers/soc/qcom/icnss.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/soc/qcom/icnss.c b/drivers/soc/qcom/icnss.c index d34fdcd3b1fe..a64fdac00ff4 100644 --- a/drivers/soc/qcom/icnss.c +++ b/drivers/soc/qcom/icnss.c @@ -1224,6 +1224,7 @@ static int icnss_smmu_init(struct device *dev) struct dma_iommu_mapping *mapping; int disable_htw = 1; int atomic_ctx = 1; + int s1_bypass = 1; int ret = 0; mapping = arm_iommu_create_mapping(&platform_bus_type, @@ -1253,6 +1254,15 @@ static int icnss_smmu_init(struct device *dev) goto set_attr_fail; } + ret = iommu_domain_set_attr(mapping->domain, + DOMAIN_ATTR_S1_BYPASS, + &s1_bypass); + if (ret < 0) { + pr_err("%s: set s1_bypass attribute failed, err = %d\n", + __func__, ret); + goto set_attr_fail; + } + ret = arm_iommu_attach_device(dev, mapping); if (ret < 0) { pr_err("%s: attach device failed, err = %d\n", __func__, ret); |