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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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61
arch/frv/mb93090-mb00/pci-irq.c Normal file
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/* pci-irq.c: PCI IRQ routing on the FRV motherboard
*
* Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
* derived from: arch/i386/kernel/pci-irq.c: (c) 1999--2000 Martin Mares <mj@suse.cz>
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <asm/io.h>
#include <asm/smp.h>
#include "pci-frv.h"
/*
* DEVICE DEVNO INT#A INT#B INT#C INT#D
* ======= ======= ======= ======= ======= =======
* MB86943 0 fpga.10 - - -
* RTL8029 16 fpga.12 - - -
* SLOT 1 19 fpga.6 fpga.5 fpga.4 fpga.3
* SLOT 2 18 fpga.5 fpga.4 fpga.3 fpga.6
* SLOT 3 17 fpga.4 fpga.3 fpga.6 fpga.5
*
*/
static const uint8_t __initconst pci_bus0_irq_routing[32][4] = {
[0 ] = { IRQ_FPGA_MB86943_PCI_INTA },
[16] = { IRQ_FPGA_RTL8029_INTA },
[17] = { IRQ_FPGA_PCI_INTC, IRQ_FPGA_PCI_INTD, IRQ_FPGA_PCI_INTA, IRQ_FPGA_PCI_INTB },
[18] = { IRQ_FPGA_PCI_INTB, IRQ_FPGA_PCI_INTC, IRQ_FPGA_PCI_INTD, IRQ_FPGA_PCI_INTA },
[19] = { IRQ_FPGA_PCI_INTA, IRQ_FPGA_PCI_INTB, IRQ_FPGA_PCI_INTC, IRQ_FPGA_PCI_INTD },
};
void __init pcibios_irq_init(void)
{
}
void __init pcibios_fixup_irqs(void)
{
struct pci_dev *dev = NULL;
uint8_t line, pin;
for_each_pci_dev(dev) {
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
if (pin) {
dev->irq = pci_bus0_irq_routing[PCI_SLOT(dev->devfn)][pin - 1];
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
}
pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &line);
}
}
void pcibios_enable_irq(struct pci_dev *dev)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
}