diff options
author | David S. Miller <davem@davemloft.net> | 2015-03-10 04:38:02 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2015-03-10 04:38:02 +0100 |
commit | 3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14 (patch) | |
tree | 02e95f15bd8a04071a9a36f534a92a066a8ce66a /arch/powerpc/kernel/iommu.c | |
parent | net: bcmgenet: core changes for supporting multiple Rx queues (diff) | |
parent | Merge git://git.kernel.org/pub/scm/virt/kvm/kvm (diff) | |
download | linux-3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14.tar.xz linux-3cef5c5b0b56f3f90b0e9ff8d3f8dc57f464cc14.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/cadence/macb.c
Overlapping changes in macb driver, mostly fixes and cleanups
in 'net' overlapping with the integration of at91_ether into
macb in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/powerpc/kernel/iommu.c')
-rw-r--r-- | arch/powerpc/kernel/iommu.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 5d3968c4d799..b054f33ab1fb 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -1175,4 +1175,30 @@ void iommu_del_device(struct device *dev) } EXPORT_SYMBOL_GPL(iommu_del_device); +static int tce_iommu_bus_notifier(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct device *dev = data; + + switch (action) { + case BUS_NOTIFY_ADD_DEVICE: + return iommu_add_device(dev); + case BUS_NOTIFY_DEL_DEVICE: + if (dev->iommu_group) + iommu_del_device(dev); + return 0; + default: + return 0; + } +} + +static struct notifier_block tce_iommu_bus_nb = { + .notifier_call = tce_iommu_bus_notifier, +}; + +int __init tce_iommu_bus_notifier_init(void) +{ + bus_register_notifier(&pci_bus_type, &tce_iommu_bus_nb); + return 0; +} #endif /* CONFIG_IOMMU_API */ |