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authorJoerg Roedel <jroedel@suse.de>2016-04-21 18:24:02 +0200
committerJoerg Roedel <jroedel@suse.de>2016-04-21 18:24:02 +0200
commitfd6c50ee3af3935d8dfa38b0a81b2386fd915cfe (patch)
tree8ab5ecadfdea8c4e16cb148218879e535d0d0128 /drivers/iommu
parent9ee35e4c6f42e792974872ee1ec4115718ce05bc (diff)
downloadlinux-fd6c50ee3af3935d8dfa38b0a81b2386fd915cfe.tar.bz2
iommu/amd: Move get_device_id() and friends to beginning of file
They will be needed there later. Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu.c108
1 files changed, 54 insertions, 54 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index a2a51c164c7f..119148552aa0 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -164,60 +164,6 @@ struct dma_ops_domain {
*
****************************************************************************/
-static struct protection_domain *to_pdomain(struct iommu_domain *dom)
-{
- return container_of(dom, struct protection_domain, domain);
-}
-
-static struct iommu_dev_data *alloc_dev_data(u16 devid)
-{
- struct iommu_dev_data *dev_data;
- unsigned long flags;
-
- dev_data = kzalloc(sizeof(*dev_data), GFP_KERNEL);
- if (!dev_data)
- return NULL;
-
- dev_data->devid = devid;
-
- spin_lock_irqsave(&dev_data_list_lock, flags);
- list_add_tail(&dev_data->dev_data_list, &dev_data_list);
- spin_unlock_irqrestore(&dev_data_list_lock, flags);
-
- return dev_data;
-}
-
-static struct iommu_dev_data *search_dev_data(u16 devid)
-{
- struct iommu_dev_data *dev_data;
- unsigned long flags;
-
- spin_lock_irqsave(&dev_data_list_lock, flags);
- list_for_each_entry(dev_data, &dev_data_list, dev_data_list) {
- if (dev_data->devid == devid)
- goto out_unlock;
- }
-
- dev_data = NULL;
-
-out_unlock:
- spin_unlock_irqrestore(&dev_data_list_lock, flags);
-
- return dev_data;
-}
-
-static struct iommu_dev_data *find_dev_data(u16 devid)
-{
- struct iommu_dev_data *dev_data;
-
- dev_data = search_dev_data(devid);
-
- if (dev_data == NULL)
- dev_data = alloc_dev_data(devid);
-
- return dev_data;
-}
-
static inline int match_hid_uid(struct device *dev,
struct acpihid_map_entry *entry)
{
@@ -272,6 +218,60 @@ static inline int get_device_id(struct device *dev)
return devid;
}
+static struct protection_domain *to_pdomain(struct iommu_domain *dom)
+{
+ return container_of(dom, struct protection_domain, domain);
+}
+
+static struct iommu_dev_data *alloc_dev_data(u16 devid)
+{
+ struct iommu_dev_data *dev_data;
+ unsigned long flags;
+
+ dev_data = kzalloc(sizeof(*dev_data), GFP_KERNEL);
+ if (!dev_data)
+ return NULL;
+
+ dev_data->devid = devid;
+
+ spin_lock_irqsave(&dev_data_list_lock, flags);
+ list_add_tail(&dev_data->dev_data_list, &dev_data_list);
+ spin_unlock_irqrestore(&dev_data_list_lock, flags);
+
+ return dev_data;
+}
+
+static struct iommu_dev_data *search_dev_data(u16 devid)
+{
+ struct iommu_dev_data *dev_data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev_data_list_lock, flags);
+ list_for_each_entry(dev_data, &dev_data_list, dev_data_list) {
+ if (dev_data->devid == devid)
+ goto out_unlock;
+ }
+
+ dev_data = NULL;
+
+out_unlock:
+ spin_unlock_irqrestore(&dev_data_list_lock, flags);
+
+ return dev_data;
+}
+
+static struct iommu_dev_data *find_dev_data(u16 devid)
+{
+ struct iommu_dev_data *dev_data;
+
+ dev_data = search_dev_data(devid);
+
+ if (dev_data == NULL)
+ dev_data = alloc_dev_data(devid);
+
+ return dev_data;
+}
+
static struct iommu_dev_data *get_dev_data(struct device *dev)
{
return dev->archdata.iommu;