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Subject[PATCH] iommu/arm-smmu-v3: fixed check process for disable_bypass module parameter
Date
The current process does not enable the bypass setting regardless of
the value of the disable_bypass module parameter when ACPI is enabled,
so the value of the disable_bypass module parameter has been corrected
so that it is handled correctly.

Signed-off-by: Shuuichirou Ishii <ishii.shuuichir@fujitsu.com>
---
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 88817a3376ef..256d7b2a83a7 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -3396,7 +3396,7 @@ static int arm_smmu_device_reset(struct arm_smmu_device *smmu, bool bypass)
enables &= ~(CR0_EVTQEN | CR0_PRIQEN);

/* Enable the SMMU interface, or ensure bypass */
- if (!bypass || disable_bypass) {
+ if (!bypass && disable_bypass) {
enables |= CR0_SMMUEN;
} else {
ret = arm_smmu_update_gbpa(smmu, 0, GBPA_ABORT);
--
2.27.0
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