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authorMuli Ben-Yehuda <muli@il.ibm.com>2007-10-17 18:04:39 +0200
committerThomas Gleixner <tglx@inhelltoy.tec.linutronix.de>2007-10-17 20:16:41 +0200
commitbc3c6058bc8f9845ae73f6dc727570778f103858 (patch)
tree70193e9fd76a348d6aedc7a96d235e801e8ee192 /arch/x86/kernel/pci-calgary_64.c
parent3c215b6680b347593705e010688e80400d772763 (diff)
downloadop-kernel-dev-bc3c6058bc8f9845ae73f6dc727570778f103858.zip
op-kernel-dev-bc3c6058bc8f9845ae73f6dc727570778f103858.tar.gz
x86: calgary get rid of translate_phb
Now that we check for translation enabled/disabled based on the presence of the IOMMU translation table, we can get rid of translate_phb. Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/pci-calgary_64.c')
-rw-r--r--arch/x86/kernel/pci-calgary_64.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index ef05cc3..5098f58 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -228,12 +228,6 @@ static inline int translation_enabled(struct iommu_table *tbl)
return (tbl != NULL);
}
-static inline int translate_phb(struct pci_dev* dev)
-{
- int disabled = bus_info[dev->bus->number].translation_disabled;
- return !disabled;
-}
-
static void iommu_range_reserve(struct iommu_table *tbl,
unsigned long start_addr, unsigned int npages)
{
@@ -394,7 +388,7 @@ static void calgary_unmap_sg(struct device *dev,
struct scatterlist *s;
int i;
- if (!translate_enabled(tbl))
+ if (!translation_enabled(tbl))
return;
for_each_sg(sglist, s, nelems, i) {
@@ -1200,7 +1194,7 @@ static int __init calgary_init(void)
{
int ret;
struct pci_dev *dev = NULL;
- void *tce_space;
+ struct calgary_bus_info *info;
ret = calgary_locate_bbars();
if (ret)
@@ -1212,12 +1206,14 @@ static int __init calgary_init(void)
break;
if (!is_cal_pci_dev(dev->device))
continue;
- if (!translate_phb(dev)) {
+
+ info = &bus_info[dev->bus->number];
+ if (info->translation_disabled) {
calgary_init_one_nontraslated(dev);
continue;
}
- tce_space = bus_info[dev->bus->number].tce_space;
- if (!tce_space && !translate_empty_slots)
+
+ if (!info->tce_space && !translate_empty_slots)
continue;
ret = calgary_init_one(dev);
@@ -1235,11 +1231,13 @@ error:
break;
if (!is_cal_pci_dev(dev->device))
continue;
- if (!translate_phb(dev)) {
+
+ info = &bus_info[dev->bus->number];
+ if (info->translation_disabled) {
pci_dev_put(dev);
continue;
}
- if (!bus_info[dev->bus->number].tce_space && !translate_empty_slots)
+ if (!info->tce_space && !translate_empty_slots)
continue;
calgary_disable_translation(dev);
@@ -1552,7 +1550,7 @@ static void __init calgary_fixup_one_tce_space(struct pci_dev *dev)
static int __init calgary_fixup_tce_spaces(void)
{
struct pci_dev *dev = NULL;
- void *tce_space;
+ struct calgary_bus_info *info;
if (no_iommu || swiotlb || !calgary_detected)
return -ENODEV;
@@ -1565,11 +1563,12 @@ static int __init calgary_fixup_tce_spaces(void)
break;
if (!is_cal_pci_dev(dev->device))
continue;
- if (!translate_phb(dev))
+
+ info = &bus_info[dev->bus->number];
+ if (info->translation_disabled)
continue;
- tce_space = bus_info[dev->bus->number].tce_space;
- if (!tce_space)
+ if (!info->tce_space)
continue;
calgary_fixup_one_tce_space(dev);
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