diff options
author | John Crispin <blogic@openwrt.org> | 2012-05-11 16:47:30 (GMT) |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2012-05-21 13:31:52 (GMT) |
commit | 57c8cb8f242988b8048a7058cd1edde025c6f232 (patch) | |
tree | 980f3ad2b686d8959312d9a5858b879aa58bcd49 /arch/mips/pci/fixup-lantiq.c | |
parent | ddd4eeca961cc6b1d57e0ca2f264403d690b6882 (diff) | |
download | linux-fsl-qoriq-57c8cb8f242988b8048a7058cd1edde025c6f232.tar.xz |
MIPS: pci: convert lantiq driver to OF
Implement support for OF inside the lantiq PCI driver. The patch also splits
pcibios_plat_dev_init and pcibios_map_irq out into their own file to accomodate
coexistance with the upcoming pcie driver.
Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3806/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/pci/fixup-lantiq.c')
-rw-r--r-- | arch/mips/pci/fixup-lantiq.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-lantiq.c b/arch/mips/pci/fixup-lantiq.c new file mode 100644 index 0000000..6c829df --- /dev/null +++ b/arch/mips/pci/fixup-lantiq.c @@ -0,0 +1,40 @@ +/* + * 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 (*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 __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + struct of_irq dev_irq; + int irq; + + if (of_irq_map_pci(dev, &dev_irq)) { + dev_err(&dev->dev, "trying to map irq for unknown slot:%d pin:%d\n", + slot, pin); + return 0; + } + irq = irq_create_of_mapping(dev_irq.controller, dev_irq.specifier, + dev_irq.size); + dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq); + return irq; +} |