diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-09-06 18:58:54 +0200 |
|---|---|---|
| committer | Hiroshi DOYU <hdoyu@nvidia.com> | 2012-01-23 11:11:36 +0200 |
| commit | 1bf55a7a38cb1e71e41a47f56f1b340fcd3ac672 (patch) | |
| tree | 50bdf8f59460e43bf7f0a401b4490740fbbcff33 /drivers/iommu/iommu.c | |
| parent | 1c177619f41e3ff945c7d4fe988976c65d3a44b5 (diff) | |
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/iommu.c')
| -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 90f8e340b576..2fb2963df553 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) { } @@ -68,10 +58,7 @@ 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); @@ -98,24 +85,18 @@ EXPORT_SYMBOL_GPL(iommu_set_fault_handler); 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; |