lkml.org 
[lkml]   [2015]   [Jul]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v5 02/19] PCI: MSI: Register irq domain with specific token
    Date
    When creating a PCI/MSI domain, tag it with DOMAIN_BUS_PCI_MSI so
    that it can be looked-up using irq_find_matching_host().

    Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
    ---
    drivers/pci/msi.c | 8 +++++++-
    include/linux/irqdomain.h | 1 +
    2 files changed, 8 insertions(+), 1 deletion(-)

    diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
    index 373d96e..ef4ec6e 100644
    --- a/drivers/pci/msi.c
    +++ b/drivers/pci/msi.c
    @@ -1273,12 +1273,18 @@ struct irq_domain *pci_msi_create_irq_domain(struct device_node *node,
    struct msi_domain_info *info,
    struct irq_domain *parent)
    {
    + struct irq_domain *domain;
    +
    if (info->flags & MSI_FLAG_USE_DEF_DOM_OPS)
    pci_msi_domain_update_dom_ops(info);
    if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
    pci_msi_domain_update_chip_ops(info);

    - return msi_create_irq_domain(node, info, parent);
    + domain = msi_create_irq_domain(node, info, parent);
    + if (domain)
    + domain->bus_token = DOMAIN_BUS_PCI_MSI;
    +
    + return domain;
    }

    /**
    diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
    index 91a83ad..25e9e66 100644
    --- a/include/linux/irqdomain.h
    +++ b/include/linux/irqdomain.h
    @@ -54,6 +54,7 @@ struct irq_data;
    */
    enum irq_domain_bus_token {
    DOMAIN_BUS_ANY = 0,
    + DOMAIN_BUS_PCI_MSI,
    };

    /**
    --
    2.1.4


    \
     
     \ /
      Last update: 2015-07-23 12:01    [W:4.139 / U:0.044 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site