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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>
This commit is contained in:
Muli Ben-Yehuda 2007-10-17 18:04:39 +02:00 committed by Thomas Gleixner
parent 3c215b6680
commit bc3c6058bc
1 changed files with 16 additions and 17 deletions
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33
arch/x86/kernel/pci-calgary_64.c
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@ -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 @@ 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) {
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);