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Merge "iommu/arm-smmu: Use an atomic context when fastmap is set on GKI"

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qctecmdr 2020-02-02 22:53:45 -08:00 • committed by Gerrit - the friendly Code Review server
commit 26050e6298
1 changed files with 7 additions and 4 deletions
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15
drivers/iommu/arm-smmu.c
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@ -2645,16 +2645,19 @@ static int arm_smmu_setup_default_domain(struct device *dev,
if (ret)
str = "default";
if (!strcmp(str, "bypass"))
if (!strcmp(str, "bypass")) {
__arm_smmu_domain_set_attr(
domain, DOMAIN_ATTR_S1_BYPASS, &attr);
else if (!strcmp(str, "fastmap"))
__arm_smmu_domain_set_attr(
domain, DOMAIN_ATTR_FAST, &attr);
else if (!strcmp(str, "atomic"))
} else if (!strcmp(str, "fastmap")) {
/* Ensure DOMAIN_ATTR_ATOMIC is set for GKI */
__arm_smmu_domain_set_attr(
domain, DOMAIN_ATTR_ATOMIC, &attr);
else if (!strcmp(str, "disabled")) {
__arm_smmu_domain_set_attr(
domain, DOMAIN_ATTR_FAST, &attr);
} else if (!strcmp(str, "atomic")) {
__arm_smmu_domain_set_attr(
domain, DOMAIN_ATTR_ATOMIC, &attr);
} else if (!strcmp(str, "disabled")) {
/*
* Don't touch hw, and don't allocate irqs or other resources.
* Ensure the context bank is set to a valid value per dynamic