From bf8763d8f8376e98ea2a8e0fc4803f25ff91393e Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 30 Nov 2018 14:23:19 +0100 Subject: powerpc/iommu: Use device_iommu_mapped() Use the new function to replace the open-coded iommu check. Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Russell Currey Cc: Sam Bobroff Acked-by: Robin Murphy Signed-off-by: Joerg Roedel --- arch/powerpc/kernel/iommu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/powerpc/kernel/iommu.c') 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: -- cgit