powerpc/pci: clean up direct access to sysdata by iseries platform

We shouldn't directly access sysdata to get the device node.  We should
be calling pci_device_to_OF_node().

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index 4021982..6c1e101 100644 (file)
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -177,7 +177,7 @@ static struct iommu_table *iommu_table_find(struct iommu_table * tbl)
 static void pci_dma_dev_setup_iseries(struct pci_dev *pdev)
 {
        struct iommu_table *tbl;
-       struct device_node *dn = pdev->sysdata;
+       struct device_node *dn = pci_device_to_OF_node(pdev);
        struct pci_dn *pdn = PCI_DN(dn);
        const u32 *lsn = of_get_property(dn, "linux,logical-slot-number", NULL);
 

diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 21cddc3..175aac8 100644 (file)
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -318,6 +318,7 @@ static void __init iomm_table_allocate_entry(struct pci_dev *dev, int bar_num)
 {
        struct resource *bar_res = &dev->resource[bar_num];
        long bar_size = pci_resource_len(dev, bar_num);
+       struct device_node *dn = pci_device_to_OF_node(dev);
 
        /*
         * No space to allocate, quick exit, skip Allocation.
@@ -335,9 +336,9 @@ static void __init iomm_table_allocate_entry(struct pci_dev *dev, int bar_num)
         * Allocate the number of table entries needed for BAR.
         */
        while (bar_size > 0 ) {
-               iomm_table[current_iomm_table_entry] = dev->sysdata;
+               iomm_table[current_iomm_table_entry] = dn;
                ds_addr_table[current_iomm_table_entry] =
-                       iseries_ds_addr(dev->sysdata) | (bar_num << 24);
+                       iseries_ds_addr(dn) | (bar_num << 24);
                bar_size -= IOMM_TABLE_ENTRY_SIZE;
                ++current_iomm_table_entry;
        }
@@ -410,7 +411,7 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev)
        struct device_node *node;
        int i;
 
-       node = find_device_node(bus, pdev->devfn);
+       node = pci_device_to_OF_node(pdev);
        pr_debug("PCI: iSeries %s, pdev %p, node %p\n",
                 pci_name(pdev), pdev, node);
        if (!node) {
@@ -441,7 +442,6 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev)
                }
        }
 
-       pdev->sysdata = node;
        allocate_device_bars(pdev);
        iseries_device_information(pdev, bus, *sub_bus);
 }