On Mon, May 30, 2016 at 8:24 PM, Chen Yu <yu.c.chen@xxxxxxxxx> wrote:
> and then in pcibios_assign_resources, 0000:00:1c.0 tries to allocate minimal
> resource window and then update related base/limit registers:
>
> [ 0.865342] pci 0000:00:1c.0: bridge window [io 0x1000-0x0fff] to [bus
> 02] add_size 1000
> [ 0.865343] pci 0000:00:1c.0: bridge window [mem 0x00100000-0x000fffff
> 64bit pref] to [bus 02] add_size 200000 add_align 100000
> [ 0.865344] pci 0000:00:1c.0: bridge window [mem 0x00100000-0x000fffff]
> to [bus 02] add_size 200000 add_align 100000
>
That is for hotplug bridge, then we could use following instead.
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index ee72ebe..d3ec833 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2775,6 +2775,13 @@ static void quirk_hotplug_bridge(struct pci_dev *dev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_HINT, 0x0020, quirk_hotplug_bridge);
+static void quirk_hotplug_bridge_skip(struct pci_dev *dev)
+{
+ dev->is_hotplug_bridge = 0;
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8c10,
quirk_hotplug_bridge_skip);
+
/*
* This is a quirk for the Ricoh MMC controller found as a part of
* some mulifunction chips.
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