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authorJoerg Roedel <jroedel@suse.de>2018-11-30 14:23:19 +0100
committerJoerg Roedel <jroedel@suse.de>2018-12-17 10:38:43 +0100
commitbf8763d8f8376e98ea2a8e0fc4803f25ff91393e (patch)
treecee2699a489cf48073dce01171436ff0f04cdbb0 /arch/powerpc/kernel/iommu.c
parentACPI/IORT: Use device_iommu_mapped() (diff)
downloadlinux-bf8763d8f8376e98ea2a8e0fc4803f25ff91393e.tar.xz
linux-bf8763d8f8376e98ea2a8e0fc4803f25ff91393e.zip
powerpc/iommu: Use device_iommu_mapped()
Use the new function to replace the open-coded iommu check. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Russell Currey <ruscur@russell.cc> Cc: Sam Bobroff <sbobroff@linux.ibm.com> Acked-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'arch/powerpc/kernel/iommu.c')
-rw-r--r--arch/powerpc/kernel/iommu.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index f0dc680e659a..48d58d1dcac2 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -1086,7 +1086,7 @@ int iommu_add_device(struct device *dev)
if (!device_is_registered(dev))
return -ENOENT;
- if (dev->iommu_group) {
+ if (device_iommu_mapped(dev)) {
pr_debug("%s: Skipping device %s with iommu group %d\n",
__func__, dev_name(dev),
iommu_group_id(dev->iommu_group));
@@ -1129,7 +1129,7 @@ void iommu_del_device(struct device *dev)
* and we needn't detach them from the associated
* IOMMU groups
*/
- if (!dev->iommu_group) {
+ if (!device_iommu_mapped(dev)) {
pr_debug("iommu_tce: skipping device %s with no tbl\n",
dev_name(dev));
return;
@@ -1148,7 +1148,7 @@ static int tce_iommu_bus_notifier(struct notifier_block *nb,
case BUS_NOTIFY_ADD_DEVICE:
return iommu_add_device(dev);
case BUS_NOTIFY_DEL_DEVICE:
- if (dev->iommu_group)
+ if (device_iommu_mapped(dev))
iommu_del_device(dev);
return 0;
default: