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| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-09-06 18:58:54 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-10-21 14:37:23 +0200 |
| commit | 94441c3bd99287b9d84f148a08cc9a44675ec749 (patch) | |
| tree | edf4c7b2b9a78e30cb99f25cc5ac9ec0ec2f74bb /drivers/iommu | |
| parent | 85eebbc5e4633e6eee10bdddd00d175daadd5841 (diff) | |
| download | linux-94441c3bd99287b9d84f148a08cc9a44675ec749.tar.gz | |
iommu/core: Remove global iommu_ops and register_iommu
With all IOMMU drivers being converted to bus_set_iommu the global iommu_ops are no longer required. The same is true for the deprecated register_iommu function. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/iommu.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 1575aaa36c94..64419c88727e 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -25,16 +25,6 @@ #include <linux/errno.h> #include <linux/iommu.h> -static struct iommu_ops *iommu_ops; - -void register_iommu(struct iommu_ops *ops) -{ - if (iommu_ops) - BUG(); - - iommu_ops = ops; -} - static void iommu_bus_init(struct bus_type *bus, struct iommu_ops *ops) { } @@ -68,34 +58,25 @@ EXPORT_SYMBOL_GPL(bus_set_iommu); bool iommu_present(struct bus_type *bus) { - if (bus->iommu_ops != NULL) - return true; - else - return iommu_ops != NULL; + return bus->iommu_ops != NULL; } EXPORT_SYMBOL_GPL(iommu_present); struct iommu_domain *iommu_domain_alloc(struct bus_type *bus) { struct iommu_domain *domain; - struct iommu_ops *ops; int ret; - if (bus->iommu_ops) - ops = bus->iommu_ops; - else - ops = iommu_ops; - - if (ops == NULL) + if (bus == NULL || bus->iommu_ops == NULL) return NULL; domain = kmalloc(sizeof(*domain), GFP_KERNEL); if (!domain) return NULL; - domain->ops = ops; + domain->ops = bus->iommu_ops; - ret = iommu_ops->domain_init(domain); + ret = domain->ops->domain_init(domain); if (ret) goto out_free; |