From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
Break out the domain allocation code into a separate function.
This is preparation for future code sharing.
Signed-off-by: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>
---
drivers/iommu/ipmmu-vmsa.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
--- 0014/drivers/iommu/ipmmu-vmsa.c
+++ work/drivers/iommu/ipmmu-vmsa.c 2015-12-14 19:23:22.210513000 +0900
@@ -457,13 +457,10 @@ static irqreturn_t ipmmu_domain_irq(int
* IOMMU Operations
*/
-static struct iommu_domain *ipmmu_domain_alloc(unsigned type)
+static struct iommu_domain *__ipmmu_domain_alloc(unsigned type)
{
struct ipmmu_vmsa_domain *domain;
- if (type != IOMMU_DOMAIN_UNMANAGED)
- return NULL;
-
domain = kzalloc(sizeof(*domain), GFP_KERNEL);
if (!domain)
return NULL;
@@ -473,6 +470,14 @@ static struct iommu_domain *ipmmu_domain
return &domain->io_domain;
}
+static struct iommu_domain *ipmmu_domain_alloc(unsigned type)
+{
+ if (type != IOMMU_DOMAIN_UNMANAGED)
+ return NULL;
+
+ return __ipmmu_domain_alloc(type);
+}
+
static void ipmmu_domain_free(struct iommu_domain *io_domain)
{
struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain);
