[lantiq] cleanup patches

[openwrt.git] / target / linux / lantiq / files / arch / mips / pci / fixup-lantiq.c

diff --git a/target/linux/lantiq/files/arch/mips/pci/fixup-lantiq.c b/target/linux/lantiq/files/arch/mips/pci/fixup-lantiq.c
new file mode 100644 (file)
index 0000000..daf5ae9
--- /dev/null
+++ b/target/linux/lantiq/files/arch/mips/pci/fixup-lantiq.c
@@ -0,0 +1,42 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ *
+ *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/of_irq.h>
+#include <linux/of_pci.h>
+
+int (*ltqpci_map_irq)(const struct pci_dev *dev, u8 slot, u8 pin) = NULL;
+int (*ltqpci_plat_arch_init)(struct pci_dev *dev) = NULL;
+int (*ltqpci_plat_dev_init)(struct pci_dev *dev) = NULL;
+int *ltq_pci_irq_map;
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+       if (ltqpci_plat_arch_init)
+               return ltqpci_plat_arch_init(dev);
+
+       if (ltqpci_plat_dev_init)
+               return ltqpci_plat_dev_init(dev);
+
+       return 0;
+}
+
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+       if (ltqpci_map_irq)
+               return ltqpci_map_irq(dev, slot, pin);
+       if (ltq_pci_irq_map[slot]) {
+               dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, ltq_pci_irq_map[slot]);
+               return ltq_pci_irq_map[slot];
+       }
+       printk(KERN_ERR "lq_pci: trying to map irq for unknown slot %d\n",
+               slot);
+
+       return 0;
+}
+
+