[PATCH] shpchp: replace pci_find_slot() with pci_get_slot()
This patch replaces pci_find_slot() with pci_get_slot() in the SHPCHP driver. This enables SHPCHP driver to work on multiple PCI segment systems. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -89,10 +89,11 @@ int shpchp_configure_device(struct slot *p_slot)
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struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
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int num, fn;
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dev = pci_find_slot(p_slot->bus, PCI_DEVFN(p_slot->device, 0));
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dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
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if (dev) {
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err("Device %s already exists at %x:%x, cannot hot-add\n",
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pci_name(dev), p_slot->bus, p_slot->device);
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pci_dev_put(dev);
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return -EINVAL;
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}
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@ -103,12 +104,13 @@ int shpchp_configure_device(struct slot *p_slot)
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}
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for (fn = 0; fn < 8; fn++) {
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if (!(dev = pci_find_slot(p_slot->bus,
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PCI_DEVFN(p_slot->device, fn))))
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dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, fn));
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if (!dev)
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continue;
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if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
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err("Cannot hot-add display device %s\n",
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pci_name(dev));
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pci_dev_put(dev);
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continue;
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}
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if ((dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) ||
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@ -124,18 +126,21 @@ int shpchp_configure_device(struct slot *p_slot)
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}
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if (busnr >= end) {
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err("No free bus for hot-added bridge\n");
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pci_dev_put(dev);
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continue;
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}
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child = pci_add_new_bus(parent, dev, busnr);
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if (!child) {
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err("Cannot add new bus for %s\n",
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pci_name(dev));
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pci_dev_put(dev);
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continue;
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}
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child->subordinate = pci_do_scan_bus(child);
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pci_bus_size_bridges(child);
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}
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program_fw_provided_values(dev);
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pci_dev_put(dev);
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}
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pci_bus_assign_resources(parent);
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@ -149,17 +154,19 @@ int shpchp_unconfigure_device(struct slot *p_slot)
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int rc = 0;
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int j;
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u8 bctl = 0;
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struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
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dbg("%s: bus/dev = %x/%x\n", __FUNCTION__, p_slot->bus, p_slot->device);
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for (j=0; j<8 ; j++) {
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struct pci_dev* temp = pci_find_slot(p_slot->bus,
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struct pci_dev* temp = pci_get_slot(parent,
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(p_slot->device << 3) | j);
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if (!temp)
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continue;
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if ((temp->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
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err("Cannot remove display device %s\n",
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pci_name(temp));
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pci_dev_put(temp);
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continue;
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}
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if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
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@ -167,10 +174,12 @@ int shpchp_unconfigure_device(struct slot *p_slot)
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if (bctl & PCI_BRIDGE_CTL_VGA) {
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err("Cannot remove display device %s\n",
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pci_name(temp));
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pci_dev_put(temp);
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continue;
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}
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}
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pci_remove_bus_device(temp);
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pci_dev_put(temp);
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}
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return rc;
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}
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