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| author | Oliver O'Halloran <oohall@gmail.com> | 2020-03-06 08:39:00 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-03-25 02:09:38 +0100 |
| commit | 2d0953f7d5acc53a97d0dbfab8b1827e9897a7e6 (patch) | |
| tree | 08945333c151b90e2733578db5f5874f02dc5b9e /arch/powerpc/kernel | |
| parent | powerpc/eeh: Add sysfs files in late probe (diff) | |
| download | linux-2d0953f7d5acc53a97d0dbfab8b1827e9897a7e6.tar.xz linux-2d0953f7d5acc53a97d0dbfab8b1827e9897a7e6.zip | |
powerpc/eeh: Remove eeh_add_device_tree_late()
On pseries and PowerNV pcibios_bus_add_device() calls eeh_add_device_late()
so there's no need to do a separate tree traversal to bind the eeh_dev and
pci_dev together setting up the PHB at boot. As a result we can remove
eeh_add_device_tree_late().
Reviewed-by: Sam Bobroff <sbobroff@linux.ibm.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200306073904.4737-2-oohall@gmail.com
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/eeh.c | 25 | ||||
| -rw-r--r-- | arch/powerpc/kernel/of_platform.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 3 |
3 files changed, 0 insertions, 31 deletions
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index 087891214739..9cb33706ef80 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -1214,31 +1214,6 @@ void eeh_add_device_late(struct pci_dev *dev) } /** - * eeh_add_device_tree_late - Perform EEH initialization for the indicated PCI bus - * @bus: PCI bus - * - * This routine must be used to perform EEH initialization for PCI - * devices which are attached to the indicated PCI bus. The PCI bus - * is added after system boot through hotplug or dlpar. - */ -void eeh_add_device_tree_late(struct pci_bus *bus) -{ - struct pci_dev *dev; - - if (eeh_has_flag(EEH_FORCE_DISABLED)) - return; - list_for_each_entry(dev, &bus->devices, bus_list) { - eeh_add_device_late(dev); - if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { - struct pci_bus *subbus = dev->subordinate; - if (subbus) - eeh_add_device_tree_late(subbus); - } - } -} -EXPORT_SYMBOL_GPL(eeh_add_device_tree_late); - -/** * eeh_remove_device - Undo EEH setup for the indicated pci device * @dev: pci device to be removed * diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index cb6880092dd7..64edac81c633 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -80,9 +80,6 @@ static int of_pci_phb_probe(struct platform_device *dev) */ pcibios_claim_one_bus(phb->bus); - /* Finish EEH setup */ - eeh_add_device_tree_late(phb->bus); - /* Add probed PCI devices to the device model */ pci_bus_add_devices(phb->bus); diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 3d2b1cf30b80..8983afa6d62a 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1399,9 +1399,6 @@ void pcibios_finish_adding_to_bus(struct pci_bus *bus) pci_assign_unassigned_bus_resources(bus); } - /* Fixup EEH */ - eeh_add_device_tree_late(bus); - /* Add new devices to global lists. Register in proc, sysfs. */ pci_bus_add_devices(bus); } |