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The GW16082 miniPCI Expansion Mezzanine has the INTA/B/C/D IRQ's reversed from the PCI standard. This will soon be resolved in the bootloader via devicetree, but in the meantime this will work around the issue. Signed-off-by: Tim Harvey <tharvey@gateworks.com> SVN-Revision: 42146
34 lines
987 B
Diff
34 lines
987 B
Diff
commit e84634dc6c7f3f6af9b8ef1fb36f0d85c476ab95
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Author: Tim Harvey <tharvey@gateworks.com>
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Date: Thu Feb 27 01:02:23 2014 -0800
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PCI: designware: add ability for custom swizzle
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Add the ability for a platform driver to provide a platform-specific
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swizzle function.
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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--- a/drivers/pci/host/pcie-designware.c
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+++ b/drivers/pci/host/pcie-designware.c
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@@ -481,6 +481,9 @@ int __init dw_pcie_host_init(struct pcie
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if (pp->ops->host_init)
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pp->ops->host_init(pp);
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+ if (pp->swizzle)
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+ dw_pci.swizzle = pp->swizzle;
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+
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dw_pcie_wr_own_conf(pp, PCI_BASE_ADDRESS_0, 4, 0);
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/* program correct class for RC */
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--- a/drivers/pci/host/pcie-designware.h
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+++ b/drivers/pci/host/pcie-designware.h
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@@ -53,6 +53,7 @@ struct pcie_port {
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struct irq_domain *irq_domain;
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unsigned long msi_data;
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DECLARE_BITMAP(msi_irq_in_use, MAX_MSI_IRQS);
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+ u8 (*swizzle)(struct pci_dev *, u8 *);
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};
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struct pcie_host_ops {
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