powerpc/dma: Remove dev->archdata.iommu_domain

There are no users left, so remove the pointer and save some memory.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20200625130836.1916-14-joro@8bytes.org

diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 2665427..1bc5952 100644 (file)
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -34,9 +34,6 @@ struct dev_archdata {
        struct iommu_table      *iommu_table_base;
 #endif
 
-#ifdef CONFIG_IOMMU_API
-       void                    *iommu_domain;
-#endif
 #ifdef CONFIG_PPC64
        struct pci_dn           *pci_data;
 #endif