Messages in this thread Patch in this message | | | From | Magnus Damm <> | Date | Wed, 17 May 2017 19:06:59 +0900 | Subject | [PATCH v8 04/08] iommu/ipmmu-vmsa: Break out domain allocation code |
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From: Magnus Damm <damm+renesas@opensource.se>
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> ---
Changes since V7: - Added Reviewed-by from Geert - Thanks!
drivers/iommu/ipmmu-vmsa.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-)
--- 0006/drivers/iommu/ipmmu-vmsa.c +++ work/drivers/iommu/ipmmu-vmsa.c 2017-05-17 16:39:05.380607110 +0900 @@ -509,13 +509,10 @@ static irqreturn_t ipmmu_irq(int irq, vo * 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 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);
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