lkml.org 
[lkml]   [2016]   [May]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH V7 07/11] pci, acpi: Handle ACPI companion assignment.
    Date
    This patch provides a way to set the ACPI companion in PCI code.
    We define acpi_pci_set_companion() to set the ACPI companion pointer and
    call it from PCI core code. The function is stub for now.

    Signed-off-by: Jayachandran C <jchandra@broadcom.com>
    Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
    ---
    drivers/pci/probe.c | 2 ++
    include/linux/pci-acpi.h | 4 ++++
    2 files changed, 6 insertions(+)

    diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
    index 8004f67..fb0b752 100644
    --- a/drivers/pci/probe.c
    +++ b/drivers/pci/probe.c
    @@ -12,6 +12,7 @@
    #include <linux/slab.h>
    #include <linux/module.h>
    #include <linux/cpumask.h>
    +#include <linux/pci-acpi.h>
    #include <linux/pci-aspm.h>
    #include <linux/aer.h>
    #include <linux/acpi.h>
    @@ -2141,6 +2142,7 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
    bridge->dev.parent = parent;
    bridge->dev.release = pci_release_host_bridge_dev;
    dev_set_name(&bridge->dev, "pci%04x:%02x", pci_domain_nr(b), bus);
    + acpi_pci_set_companion(bridge);
    error = pcibios_root_bridge_prepare(bridge);
    if (error) {
    kfree(bridge);
    diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
    index 09f9f02..1baa515 100644
    --- a/include/linux/pci-acpi.h
    +++ b/include/linux/pci-acpi.h
    @@ -111,6 +111,10 @@ static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
    static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
    #endif /* CONFIG_ACPI */

    +static inline void acpi_pci_set_companion(struct pci_host_bridge *bridge)
    +{
    +}
    +
    static inline int acpi_pci_bus_domain_nr(struct pci_bus *bus)
    {
    return 0;
    --
    1.9.1
    \
     
     \ /
      Last update: 2016-05-10 17:41    [W:4.114 / U:0.268 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site