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| author | Muli Ben-Yehuda <muli@il.ibm.com> | 2007-10-17 18:04:39 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-17 20:16:41 +0200 |
| commit | bc3c6058bc8f9845ae73f6dc727570778f103858 (patch) | |
| tree | 70193e9fd76a348d6aedc7a96d235e801e8ee192 | |
| parent | 3c215b6680b347593705e010688e80400d772763 (diff) | |
| download | linux-3.10-bc3c6058bc8f9845ae73f6dc727570778f103858.tar.gz linux-3.10-bc3c6058bc8f9845ae73f6dc727570778f103858.tar.bz2 linux-3.10-bc3c6058bc8f9845ae73f6dc727570778f103858.zip | |
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>
| -rw-r--r-- | arch/x86/kernel/pci-calgary_64.c | 33 |
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 ef05cc32a3a..5098f58063a 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); |