Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 56bfada3 authored by Kenji Kaneshige's avatar Kenji Kaneshige Committed by Greg Kroah-Hartman
Browse files

[PATCH] pciehp: Replace pci_find_slot() with pci_get_slot() 



This patch replaces pci_find_slot() with pci_get_slot() in PCIEHP
driver. This patch enables PCI Express Hotplug on the system which has
multiple PCI domains.

Signed-off-by: default avatarKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 466ee36b

drivers/pci/hotplug/pciehp_pci.c

+7 −2
Original line number Diff line number Diff line
@@ -204,10 +204,11 @@ int pciehp_configure_device(struct slot *p_slot) 
	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;

	int num, fn;



	dev = pci_find_slot(p_slot->bus, PCI_DEVFN(p_slot->device, 0));

	dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));

	if (dev) {

		err("Device %s already exists at %x:%x, cannot hot-add\n",

				pci_name(dev), p_slot->bus, p_slot->device);

		pci_dev_put(dev);

		return -EINVAL;

	}
@@ -243,18 +244,20 @@ int pciehp_unconfigure_device(struct slot *p_slot) 
	int rc = 0;

	int j;

	u8 bctl = 0;

	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;



	dbg("%s: bus/dev = %x/%x\n", __FUNCTION__, p_slot->bus,

				p_slot->device);



	for (j=0; j<8 ; j++) {

		struct pci_dev* temp = pci_find_slot(p_slot->bus,

		struct pci_dev* temp = pci_get_slot(parent,

				(p_slot->device << 3) | j);

		if (!temp)

			continue;

		if ((temp->class >> 16) == PCI_BASE_CLASS_DISPLAY) {

			err("Cannot remove display device %s\n",

					pci_name(temp));

			pci_dev_put(temp);

			continue;

		}

		if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
@@ -262,10 +265,12 @@ int pciehp_unconfigure_device(struct slot *p_slot) 
			if (bctl & PCI_BRIDGE_CTL_VGA) {

				err("Cannot remove display device %s\n",

						pci_name(temp));

				pci_dev_put(temp);

				continue;

			}

		}

		pci_remove_bus_device(temp);

		pci_dev_put(temp);

	}

	/* 

	 * Some PCI Express root ports require fixup after hot-plug operation.