powerpc/iommu: Add it_page_shift field to determine iommu page size

[firefly-linux-kernel-4.4.55.git] / arch / powerpc / platforms / pasemi / iommu.c

diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 7d2d036754b5b56ecf5df1ddeb6367d2cc6b223c..2e576f2ae44256301fbcdb149ea47fdeef241fe7 100644 (file)
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -138,8 +138,11 @@ static void iommu_table_iobmap_setup(void)
        pr_debug(" -> %s\n", __func__);
        iommu_table_iobmap.it_busno = 0;
        iommu_table_iobmap.it_offset = 0;
+       iommu_table_iobmap.it_page_shift = IOBMAP_PAGE_SHIFT;
+
        /* it_size is in number of entries */
-       iommu_table_iobmap.it_size = 0x80000000 >> IOBMAP_PAGE_SHIFT;
+       iommu_table_iobmap.it_size =
+               0x80000000 >> iommu_table_iobmap.it_page_shift;
 
        /* Initialize the common IOMMU code */
        iommu_table_iobmap.it_base = (unsigned long)iob_l2_base;