[POWERPC] Remove more iSeries-specific stuff from vio.c

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 25 insertions, 53 deletions

diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index eaf7f6992a2f..b7c9e44ef180 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -48,61 +48,33 @@ static struct vio_dev vio_bus_device  = { /* fake "parent" device */
         .dev.bus = &vio_bus_type,
 };
 
-#ifdef CONFIG_PPC_ISERIES
-static struct iommu_table veth_iommu_table;
-struct iommu_table vio_iommu_table;
-
-static void __init iommu_vio_init(void)
-{
-        iommu_table_getparms_iSeries(255, 0, 0xff, &veth_iommu_table);
-        veth_iommu_table.it_size /= 2;
-        vio_iommu_table = veth_iommu_table;
-        vio_iommu_table.it_offset += veth_iommu_table.it_size;
-
-        if (!iommu_init_table(&veth_iommu_table, -1))
-                printk("Virtual Bus VETH TCE table failed.\n");
-        if (!iommu_init_table(&vio_iommu_table, -1))
-                printk("Virtual Bus VIO TCE table failed.\n");
-}
-#else
-static void __init iommu_vio_init(void)
-{
-}
-#endif
-
 static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
 {
-#ifdef CONFIG_PPC_ISERIES
-        if (firmware_has_feature(FW_FEATURE_ISERIES)) {
-                if (strcmp(dev->type, "network") == 0)
-                        return &veth_iommu_table;
-                return &vio_iommu_table;
-        } else
-#endif
-        {
-                const unsigned char *dma_window;
-                struct iommu_table *tbl;
-                unsigned long offset, size;
-
-                dma_window = of_get_property(dev->dev.archdata.of_node,
-                                          "ibm,my-dma-window", NULL);
-                if (!dma_window)
-                        return NULL;
-
-                tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
-
-                of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
-                                    &tbl->it_index, &offset, &size);
-
-                /* TCE table size - measured in tce entries */
-                tbl->it_size = size >> IOMMU_PAGE_SHIFT;
-                /* offset for VIO should always be 0 */
-                tbl->it_offset = offset >> IOMMU_PAGE_SHIFT;
-                tbl->it_busno = 0;
-                tbl->it_type = TCE_VB;
-
-                return iommu_init_table(tbl, -1);
-        }
+        const unsigned char *dma_window;
+        struct iommu_table *tbl;
+        unsigned long offset, size;
+
+        if (firmware_has_feature(FW_FEATURE_ISERIES))
+                return vio_build_iommu_table_iseries(dev);
+
+        dma_window = of_get_property(dev->dev.archdata.of_node,
+                                  "ibm,my-dma-window", NULL);
+        if (!dma_window)
+                return NULL;
+
+        tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
+
+        of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
+                            &tbl->it_index, &offset, &size);
+
+        /* TCE table size - measured in tce entries */
+        tbl->it_size = size >> IOMMU_PAGE_SHIFT;
+        /* offset for VIO should always be 0 */
+        tbl->it_offset = offset >> IOMMU_PAGE_SHIFT;
+        tbl->it_busno = 0;
+        tbl->it_type = TCE_VB;
+
+        return iommu_init_table(tbl, -1);
 }
 
 /**