Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release

1 files changed, 27 insertions, 0 deletions

diff --git a/arch/mips/pci/fixup-lantiq.c b/arch/mips/pci/fixup-lantiq.c
new file mode 100644
index 000000000..105569c1b
--- /dev/null
+++ b/arch/mips/pci/fixup-lantiq.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *
+ *  Copyright (C) 2012 John Crispin <john@phrozen.org>
+ */
+
+#include <linux/of_irq.h>
+#include <linux/of_pci.h>
+
+int (*ltq_pci_plat_arch_init)(struct pci_dev *dev) = NULL;
+int (*ltq_pci_plat_dev_init)(struct pci_dev *dev) = NULL;
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+        if (ltq_pci_plat_arch_init)
+                return ltq_pci_plat_arch_init(dev);
+
+        if (ltq_pci_plat_dev_init)
+                return ltq_pci_plat_dev_init(dev);
+
+        return 0;
+}
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+        return of_irq_parse_and_map_pci(dev, slot, pin);
+}