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PCI: Indicate optional resource assignment failures

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Add pci_dbg() to note that an assignment failure was for an optional
resource and reword existing message about resource resize to say the
change was optional.

Link: https://lore.kernel.org/r/20241216175632.4175-22-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Xiaochun Lee <lixc17@lenovo.com>
This commit is contained in:
Ilpo Järvinen 2024-12-16 19:56:28 +02:00 committed by Bjorn Helgaas
parent b3281eb5de
commit 07854e08cd
1 changed files with 6 additions and 2 deletions
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8
drivers/pci/setup-bus.c
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@ -273,13 +273,17 @@ static void reassign_resources_sorted(struct list_head *realloc_head,
align = add_res->min_align;
if (!resource_size(res)) {
resource_set_range(res, align, add_size);
if (pci_assign_resource(dev, idx))
if (pci_assign_resource(dev, idx)) {
pci_dbg(dev,
"%s %pR: ignoring failure in optional allocation\n",
res_name, res);
reset_resource(res);
}
} else {
res->flags |= add_res->flags &
(IORESOURCE_STARTALIGN|IORESOURCE_SIZEALIGN);
if (pci_reassign_resource(dev, idx, add_size, align))
pci_info(dev, "%s %pR: failed to add %llx\n",
pci_info(dev, "%s %pR: failed to add optional %llx\n",
res_name, res,
(unsigned long long) add_size);
}