lkml.org 
[lkml]   [2012]   [Jan]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 02/14] PCI: Add iobusn_resource
    Date
    also add busn_res into struct pci_bus.

    will use them to have bus number resource tree.

    Signed-off-by: Yinghai Lu <yinghai@kernel.org>
    ---
    include/linux/ioport.h | 1 +
    include/linux/pci.h | 1 +
    kernel/resource.c | 8 ++++++++
    3 files changed, 10 insertions(+), 0 deletions(-)

    diff --git a/include/linux/ioport.h b/include/linux/ioport.h
    index e885ba2..6fe9e19 100644
    --- a/include/linux/ioport.h
    +++ b/include/linux/ioport.h
    @@ -136,6 +136,7 @@ struct resource {
    /* PC/ISA/whatever - the normal PC address spaces: IO and memory */
    extern struct resource ioport_resource;
    extern struct resource iomem_resource;
    +extern struct resource iobusn_resource;

    extern struct resource *request_resource_conflict(struct resource *root, struct resource *new);
    extern int request_resource(struct resource *root, struct resource *new);
    diff --git a/include/linux/pci.h b/include/linux/pci.h
    index f8caaab..94ad468 100644
    --- a/include/linux/pci.h
    +++ b/include/linux/pci.h
    @@ -419,6 +419,7 @@ struct pci_bus {
    struct list_head slots; /* list of slots on this bus */
    struct resource *resource[PCI_BRIDGE_RESOURCE_NUM];
    struct list_head resources; /* address space routed to this bus */
    + struct resource busn_res; /* track registered bus num range */

    struct pci_ops *ops; /* configuration access functions */
    void *sysdata; /* hook for sys-specific extension */
    diff --git a/kernel/resource.c b/kernel/resource.c
    index 7640b3a..53b42f0 100644
    --- a/kernel/resource.c
    +++ b/kernel/resource.c
    @@ -38,6 +38,14 @@ struct resource iomem_resource = {
    };
    EXPORT_SYMBOL(iomem_resource);

    +struct resource iobusn_resource = {
    + .name = "PCI busn",
    + .start = 0,
    + .end = 0xffffff,
    + .flags = IORESOURCE_BUS,
    +};
    +EXPORT_SYMBOL(iobusn_resource);
    +
    /* constraints to be met while allocating resources */
    struct resource_constraint {
    resource_size_t min, max, align;
    --
    1.7.7


    \
     
     \ /
      Last update: 2012-01-31 08:49    [W:4.791 / U:0.008 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site