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Merge branch 'acpi-pci-hotplug' into acpi-dock

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This commit is contained in:
Rafael J. Wysocki 2014-02-21 01:09:33 +01:00
commit 96075315c5
1 changed files with 19 additions and 10 deletions
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29
drivers/pci/hotplug/acpiphp_glue.c
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@ -255,9 +255,15 @@ static void acpiphp_dock_release(void *data)
put_bridge(context->func.parent);
}
/* callback routine to register each ACPI PCI slot object */
static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data,
void **rv)
/**
* acpiphp_add_context - Add ACPIPHP context to an ACPI device object.
* @handle: ACPI handle of the object to add a context to.
* @lvl: Not used.
* @data: The object's parent ACPIPHP bridge.
* @rv: Not used.
*/
static acpi_status acpiphp_add_context(acpi_handle handle, u32 lvl, void *data,
void **rv)
{
struct acpiphp_bridge *bridge = data;
struct acpiphp_context *context;
@ -271,9 +277,6 @@ static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data,
struct pci_dev *pdev = bridge->pci_dev;
u32 val;
if (pdev && device_is_managed_by_native_pciehp(pdev))
return AE_OK;
status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND)
@ -325,8 +328,14 @@ static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data,
list_add_tail(&slot->node, &bridge->slots);
/* Register slots for ejectable functions only. */
if (acpi_pci_check_ejectable(pbus, handle) || is_dock_device(handle)) {
/*
* Expose slots to user space for functions that have _EJ0 or _RMV or
* are located in dock stations. Do not expose them for devices handled
* by the native PCIe hotplug (PCIeHP), becuase that code is supposed to
* expose slots to user space in those cases.
*/
if ((acpi_pci_check_ejectable(pbus, handle) || is_dock_device(handle))
&& !(pdev && device_is_managed_by_native_pciehp(pdev))) {
unsigned long long sun;
int retval;
@ -923,14 +932,14 @@ void acpiphp_enumerate_slots(struct pci_bus *bus)
acpi_unlock_hp_context();
}
/* must be added to the list prior to calling register_slot */
/* Must be added to the list prior to calling acpiphp_add_context(). */
mutex_lock(&bridge_mutex);
list_add(&bridge->list, &bridge_list);
mutex_unlock(&bridge_mutex);
/* register all slot objects under this bridge */
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1,
register_slot, NULL, bridge, NULL);
acpiphp_add_context, NULL, bridge, NULL);
if (ACPI_FAILURE(status)) {
acpi_handle_err(handle, "failed to register slots\n");
cleanup_bridge(bridge);