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The current code unconditionally registers the AR724X specific PCI controller, even if the kernel is running on a different SoC. Add a common function for PCI controller registration, and only register the AR724X PCI controller if the kernel is running on an AR724X SoC. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3488/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
/*
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* Atheros AR71XX/AR724X specific PCI setup code
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*
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* Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
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*
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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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#include <linux/pci.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/pci.h>
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#include "pci.h"
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static struct ath724x_pci_data *pci_data;
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static int pci_data_size;
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void ath724x_pci_add_data(struct ath724x_pci_data *data, int size)
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{
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pci_data = data;
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pci_data_size = size;
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}
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int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
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{
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unsigned int devfn = dev->devfn;
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int irq = -1;
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if (devfn > pci_data_size - 1)
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return irq;
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irq = pci_data[devfn].irq;
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return irq;
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}
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int pcibios_plat_dev_init(struct pci_dev *dev)
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{
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unsigned int devfn = dev->devfn;
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if (devfn > pci_data_size - 1)
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return PCIBIOS_DEVICE_NOT_FOUND;
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dev->dev.platform_data = pci_data[devfn].pdata;
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return PCIBIOS_SUCCESSFUL;
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}
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int __init ath79_register_pci(void)
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{
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if (soc_is_ar724x())
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return ath724x_pcibios_init();
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return -ENODEV;
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}
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