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Date: Mon, 27 Feb 2012 18:10:05 -0800 From: Yinghai Lu <yinghai@...nel.org> To: Jesse Barnes <jbarnes@...tuousgeek.org>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Tony Luck <tony.luck@...el.com> Cc: Bjorn Helgaas <bhelgaas@...gle.com>, Dominik Brodowski <linux@...inikbrodowski.net>, Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, Yinghai Lu <yinghai@...nel.org> Subject: [PATCH 14/18] PCI: kill pci_fixup_parent_subordinate_busnr() Now we can safely extend parent top and shrink them according iobusn_resource tree. Don't need that any more. Signed-off-by: Yinghai Lu <yinghai@...nel.org> --- drivers/pci/probe.c | 32 -------------------------------- 1 files changed, 0 insertions(+), 32 deletions(-) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 85266e6..2aee87b 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -632,22 +632,6 @@ struct pci_bus *__ref pci_add_new_bus(struct pci_bus *parent, struct pci_dev *de return child; } -static void pci_fixup_parent_subordinate_busnr(struct pci_bus *child, int max) -{ - struct pci_bus *parent = child->parent; - - /* Attempts to fix that up are really dangerous unless - we're going to re-assign all bus numbers. */ - if (!pcibios_assign_all_busses()) - return; - - while (parent->parent && parent->subordinate < max) { - parent->subordinate = max; - pci_write_config_byte(parent->self, PCI_SUBORDINATE_BUS, max); - parent = parent->parent; - } -} - static void __devinit pci_bus_update_top(struct pci_bus *parent, long size, struct resource *parent_res) { @@ -983,23 +967,7 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, if (!is_cardbus) { child->bridge_ctl = bctl; - /* - * Adjust subordinate busnr in parent buses. - * We do this before scanning for children because - * some devices may not be detected if the bios - * was lazy. - */ - pci_fixup_parent_subordinate_busnr(child, max); - /* Now we can scan all subordinate buses... */ max = pci_scan_child_bus(child); - /* - * now fix it up again since we have found - * the real value of max. - */ - pci_fixup_parent_subordinate_busnr(child, max); - - } else { - pci_fixup_parent_subordinate_busnr(child, max); } /* * Set the subordinate bus number to its real value. -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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