[PATCH v4 13/15] iommu/vt-d: Remove startup parameter from device_def_domain_type()

From: Lu Baolu
Date: Sat May 25 2019 - 01:52:27 EST


It isn't used anywhere. Remove it to make code concise.

Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
---
drivers/iommu/intel-iommu.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 59cd8b7e793f..ba425db8cfc6 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2974,7 +2974,7 @@ static bool device_is_rmrr_locked(struct device *dev)
* - IOMMU_DOMAIN_IDENTITY: device requires an identical mapping domain
* - 0: both identity and dynamic domains work for this device
*/
-static int device_def_domain_type(struct device *dev, int startup)
+static int device_def_domain_type(struct device *dev)
{
if (dev_is_pci(dev)) {
struct pci_dev *pdev = to_pci_dev(dev);
@@ -3028,16 +3028,16 @@ static int device_def_domain_type(struct device *dev, int startup)
IOMMU_DOMAIN_IDENTITY : 0;
}

-static inline int iommu_should_identity_map(struct device *dev, int startup)
+static inline int iommu_should_identity_map(struct device *dev)
{
- return device_def_domain_type(dev, startup) == IOMMU_DOMAIN_IDENTITY;
+ return device_def_domain_type(dev) == IOMMU_DOMAIN_IDENTITY;
}

static int __init dev_prepare_static_identity_mapping(struct device *dev, int hw)
{
int ret;

- if (!iommu_should_identity_map(dev, 1))
+ if (!iommu_should_identity_map(dev))
return 0;

ret = domain_add_dev_info(si_domain, dev);
@@ -4590,7 +4590,7 @@ static int device_notifier(struct notifier_block *nb,

dmar_remove_one_dev_info(dev);
} else if (action == BUS_NOTIFY_ADD_DEVICE) {
- if (iommu_should_identity_map(dev, 1))
+ if (iommu_should_identity_map(dev))
domain_add_dev_info(si_domain, dev);
}

@@ -5551,7 +5551,7 @@ static int intel_iommu_add_device(struct device *dev)
domain = iommu_get_domain_for_dev(dev);
dmar_domain = to_dmar_domain(domain);
if (domain->type == IOMMU_DOMAIN_DMA) {
- if (device_def_domain_type(dev, 1) == IOMMU_DOMAIN_IDENTITY) {
+ if (device_def_domain_type(dev) == IOMMU_DOMAIN_IDENTITY) {
ret = iommu_request_dm_for_dev(dev);
if (ret) {
dmar_domain->flags |= DOMAIN_FLAG_LOSE_CHILDREN;
@@ -5564,7 +5564,7 @@ static int intel_iommu_add_device(struct device *dev)
return -ENODEV;
}
} else {
- if (device_def_domain_type(dev, 1) == IOMMU_DOMAIN_DMA) {
+ if (device_def_domain_type(dev) == IOMMU_DOMAIN_DMA) {
ret = iommu_request_dma_domain_for_dev(dev);
if (ret) {
dmar_domain->flags |= DOMAIN_FLAG_LOSE_CHILDREN;
--
2.17.1