diff options
| author |   Magnus Damm <damm+renesas@opensource.se> | 2017-05-17 19:06:59 +0900 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2017-05-17 15:21:53 +0200 |
| commit | 8e73bf659135ee7333d9a762bbdadb2ad794452f (patch) | |
| tree | d3194a1541c996daa0678030f71cd9ab4beb54d4 /drivers/iommu/ipmmu-vmsa.c | |
| parent | iommu/ipmmu-vmsa: Break out utlb parsing code (diff) | |
| download | linux-dev-8e73bf659135ee7333d9a762bbdadb2ad794452f.tar.xz linux-dev-8e73bf659135ee7333d9a762bbdadb2ad794452f.zip | |
iommu/ipmmu-vmsa: Break out domain allocation code
Break out the domain allocation code into a separate function.
This is preparation for future code sharing.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Reviewed-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/ipmmu-vmsa.c')
| -rw-r--r-- | drivers/iommu/ipmmu-vmsa.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index c4c35abc1c1a..eb5008596051 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -509,13 +509,10 @@ static irqreturn_t ipmmu_irq(int irq, void *dev) * 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; @@ -525,6 +522,14 @@ static struct iommu_domain *ipmmu_domain_alloc(unsigned type) 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); |