powerpc/cell: Move controller ops from ppc_md to controller_ops

This moves the Cell platform to use the pci_controller_ops
structure rather than ppc_md for PCI controller operations.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

3 files changed, 33 insertions, 3 deletions

diff --git a/arch/powerpc/platforms/cell/cell.h b/arch/powerpc/platforms/cell/cell.h
new file mode 100644
index 000000000000..ef143dfee068
--- /dev/null
+++ b/arch/powerpc/platforms/cell/cell.h
@@ -0,0 +1,24 @@
+/*
+ * Cell Platform common data structures
+ *
+ * Copyright 2015, Daniel Axtens, IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef CELL_H
+#define CELL_H
+
+#include <asm/pci-bridge.h>
+
+extern struct pci_controller_ops cell_pci_controller_ops;
+
+#endif
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index ee53344277e0..21b502398bf3 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -39,6 +39,7 @@
 #include <asm/firmware.h>
 #include <asm/cell-regs.h>
 
+#include "cell.h"
 #include "interrupt.h"
 
 /* Define CELL_IOMMU_REAL_UNMAP to actually unmap non-used pages
@@ -857,7 +858,7 @@ static int __init cell_iommu_init_disabled(void)
         cell_dma_direct_offset += base;
 
         if (cell_dma_direct_offset != 0)
-                ppc_md.pci_dma_dev_setup = cell_pci_dma_dev_setup;
+                cell_pci_controller_ops.dma_dev_setup = cell_pci_dma_dev_setup;
 
         printk("iommu: disabled, direct DMA offset is 0x%lx\n",
                cell_dma_direct_offset);
@@ -1197,8 +1198,8 @@ static int __init cell_iommu_init(void)
                 if (cell_iommu_init_disabled() == 0)
                         goto bail;
 
-        /* Setup various ppc_md. callbacks */
-        ppc_md.pci_dma_dev_setup = cell_pci_dma_dev_setup;
+        /* Setup various callbacks */
+        cell_pci_controller_ops.dma_dev_setup = cell_pci_dma_dev_setup;
         ppc_md.dma_get_required_mask = cell_dma_get_required_mask;
         ppc_md.tce_build = tce_build_cell;
         ppc_md.tce_free = tce_free_cell;
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index d62aa982d530..d1be268b1e6e 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -54,6 +54,7 @@
 #include <asm/cell-regs.h>
 #include <asm/io-workarounds.h>
 
+#include "cell.h"
 #include "interrupt.h"
 #include "pervasive.h"
 #include "ras.h"
@@ -131,6 +132,8 @@ static int cell_setup_phb(struct pci_controller *phb)
         if (model == NULL || strcmp(np->name, "pci"))
                 return 0;
 
+        phb->controller_ops = cell_pci_controller_ops;
+
         /* Setup workarounds for spider */
         if (strcmp(model, "Spider"))
                 return 0;
@@ -279,3 +282,5 @@ define_machine(cell) {
         .init_IRQ               = cell_init_irq,
         .pci_setup_phb          = cell_setup_phb,
 };
+
+struct pci_controller_ops cell_pci_controller_ops;