Release 4.14 arch/powerpc/kernel/msi.c

/*
 * Copyright 2006-2007, Michael Ellerman, IBM Corporation.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <linux/kernel.h>
#include <linux/msi.h>
#include <linux/pci.h>

#include <asm/machdep.h>



int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{
	struct pci_controller *phb = pci_bus_to_host(dev->bus);

	if (!phb->controller_ops.setup_msi_irqs ||
	    !phb->controller_ops.teardown_msi_irqs) {
		pr_debug("msi: Platform doesn't provide MSI callbacks.\n");
		return -ENOSYS;
	}

	/* PowerPC doesn't support multiple MSI yet */
	if (type == PCI_CAP_ID_MSI && nvec > 1)
		return 1;

	return phb->controller_ops.setup_msi_irqs(dev, nvec, type);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Daniel Axtens
39
46.99%
1
25.00%
Michael Ellerman
29
34.94%
1
25.00%
Matthew Wilcox
14
16.87%
1
25.00%
Alexander Gordeev
1
1.20%
1
25.00%
Total
83
100.00%
4
100.00%



void arch_teardown_msi_irqs(struct pci_dev *dev)
{
	struct pci_controller *phb = pci_bus_to_host(dev->bus);

	phb->controller_ops.teardown_msi_irqs(dev);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Daniel Axtens
21
67.74%
1
50.00%
Michael Ellerman
10
32.26%
1
50.00%
Total
31
100.00%
2
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Daniel Axtens
60
47.24%
1
20.00%
Michael Ellerman
49
38.58%
1
20.00%
Matthew Wilcox
14
11.02%
1
20.00%
Jesse Barnes
3
2.36%
1
20.00%
Alexander Gordeev
1
0.79%
1
20.00%
Total
127
100.00%
5
100.00%
Directory: arch/powerpc/kernel

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