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[03/04] iommu/ipmmu-vmsa: Break out domain allocation code

Message ID 20160315170500.20615.65801.sendpatchset@little-apple (mailing list archive)
State Superseded
Delegated to: Geert Uytterhoeven
Headers show

Commit Message

Magnus Damm March 15, 2016, 5:05 p.m. UTC 
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>
---

 drivers/iommu/ipmmu-vmsa.c |   13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)
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Patch

--- 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);