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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 16:31:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 16:31:41 -0800
commit5a62f995446be44811fefa48f91f9efb7ea172d7 (patch)
treee297371f0d513dc6278bb67d582d2216eb7d74ed /arch/powerpc/platforms/pasemi/iommu.c
parentf1d6d6cd9029daa7e7d4a0b14347b5392320f22a (diff)
parent5d7d8072edc11080a7cf6cc37c9f4e61ca1e93c9 (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (72 commits) powerpc/pseries: Fix build of topology stuff without CONFIG_NUMA powerpc/pseries: Fix VPHN build errors on non-SMP systems powerpc/83xx: add mpc8308_p1m DMA controller device-tree node powerpc/83xx: add DMA controller to mpc8308 device-tree node powerpc/512x: try to free dma descriptors in case of allocation failure powerpc/512x: add MPC8308 dma support powerpc/512x: fix the hanged dma transfer issue powerpc/512x: scatter/gather dma fix powerpc/powermac: Make auto-loading of therm_pm72 possible of/address: Use propper endianess in get_flags powerpc/pci: Use printf extension %pR for struct resource powerpc: Remove unnecessary casts of void ptr powerpc: Disable VPHN polling during a suspend operation powerpc/pseries: Poll VPA for topology changes and update NUMA maps powerpc: iommu: Add device name to iommu error printks powerpc: Record vma->phys_addr in ioremap() powerpc: Update compat_arch_ptrace powerpc: Fix PPC_PTRACE_SETHWDEBUG on PPC_BOOK3S powerpc/time: printk time stamp init not correct powerpc: Minor cleanups for machdep.h ...
Diffstat (limited to 'arch/powerpc/platforms/pasemi/iommu.c')
-rw-r--r--arch/powerpc/platforms/pasemi/iommu.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 1f9fb2c5776..14943ef0191 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -156,20 +156,12 @@ static void iommu_table_iobmap_setup(void)
static void pci_dma_bus_setup_pasemi(struct pci_bus *bus)
{
- struct device_node *dn;
-
pr_debug("pci_dma_bus_setup, bus %p, bus->self %p\n", bus, bus->self);
if (!iommu_table_iobmap_inited) {
iommu_table_iobmap_inited = 1;
iommu_table_iobmap_setup();
}
-
- dn = pci_bus_to_OF_node(bus);
-
- if (dn)
- PCI_DN(dn)->iommu_table = &iommu_table_iobmap;
-
}
@@ -192,9 +184,6 @@ static void pci_dma_dev_setup_pasemi(struct pci_dev *dev)
set_iommu_table_base(&dev->dev, &iommu_table_iobmap);
}
-static void pci_dma_bus_setup_null(struct pci_bus *b) { }
-static void pci_dma_dev_setup_null(struct pci_dev *d) { }
-
int __init iob_init(struct device_node *dn)
{
unsigned long tmp;
@@ -251,14 +240,8 @@ void __init iommu_init_early_pasemi(void)
iommu_off = of_chosen &&
of_get_property(of_chosen, "linux,iommu-off", NULL);
#endif
- if (iommu_off) {
- /* Direct I/O, IOMMU off */
- ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_null;
- ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_null;
- set_pci_dma_ops(&dma_direct_ops);
-
+ if (iommu_off)
return;
- }
iob_init(NULL);