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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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530210c781
struct of_irq and struct of_phandle_args are exactly the same structure. This patch makes the kernel use of_phandle_args everywhere. This in itself isn't a big deal, but it makes some follow-on patches simpler. Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Tony Lindgren <tony@atomide.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* Copyright (C) 2012 John Crispin <blogic@openwrt.org>
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*/
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#include <linux/of_irq.h>
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#include <linux/of_pci.h>
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int (*ltq_pci_plat_arch_init)(struct pci_dev *dev) = NULL;
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int (*ltq_pci_plat_dev_init)(struct pci_dev *dev) = NULL;
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int pcibios_plat_dev_init(struct pci_dev *dev)
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{
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if (ltq_pci_plat_arch_init)
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return ltq_pci_plat_arch_init(dev);
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if (ltq_pci_plat_dev_init)
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return ltq_pci_plat_dev_init(dev);
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return 0;
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}
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int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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struct of_phandle_args dev_irq;
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int irq;
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if (of_irq_parse_pci(dev, &dev_irq)) {
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dev_err(&dev->dev, "trying to map irq for unknown slot:%d pin:%d\n",
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slot, pin);
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return 0;
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}
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irq = irq_create_of_mapping(dev_irq.np, dev_irq.args, dev_irq.args_count);
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dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq);
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return irq;
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}
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