Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c96b51...
Commit: c96b51265ad4658eb82fd4379c98b9beb98f99d0
Parent: 41347917280bcd96619441dae20507711608b4b8
Author: Michael Ellerman <michael@ellerman.id.au>
AuthorDate: Wed Jan 30 01:14:02 2008 +1100
Committer: Paul Mackerras <paulus@samba.org>
CommitDate: Thu Jan 31 12:11:11 2008 +1100
[POWERPC] Split out the ioid fetching/checking logic
Split out the ioid fetching and checking logic so we can use it elsewhere
in a subsequent patch.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
arch/powerpc/platforms/cell/iommu.c | 23 +++++++++++++++++------
1 files changed, 17 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 950d432..7316226 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -443,25 +443,36 @@ static struct iommu_window *find_window(struct cbe_iommu *iommu,
}
#endif
+static inline u32 cell_iommu_get_ioid(struct device_node *np)
+{
+ const u32 *ioid;
+
+ ioid = of_get_property(np, "ioid", NULL);
+ if (ioid == NULL) {
+ printk(KERN_WARNING "iommu: missing ioid for %s using 0\n",
+ np->full_name);
+ return 0;
+ }
+
+ return *ioid;
+}
+
static struct iommu_window * __init
cell_iommu_setup_window(struct cbe_iommu *iommu, struct device_node *np,
unsigned long offset, unsigned long size,
unsigned long pte_offset)
{
struct iommu_window *window;
- const unsigned int *ioid;
+ u32 ioid;
- ioid = of_get_property(np, "ioid", NULL);
- if (ioid == NULL)
- printk(KERN_WARNING "iommu: missing ioid for %s using 0\n",
- np->full_name);
+ ioid = cell_iommu_get_ioid(np);
window = kmalloc_node(sizeof(*window), GFP_KERNEL, iommu->nid);
BUG_ON(window == NULL);
window->offset = offset;
window->size = size;
- window->ioid = ioid ? *ioid : 0;
+ window->ioid = ioid;
window->iommu = iommu;
window->pte_offset = pte_offset;
-
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