diff options
| -rw-r--r-- | drivers/pci/hotplug/acpiphp.h | 7 | ||||
| -rw-r--r-- | drivers/pci/hotplug/acpiphp_glue.c | 106 |
2 files changed, 10 insertions, 103 deletions
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h index fe6c79bb8eed..ca2c91df3d1a 100644 --- a/drivers/pci/hotplug/acpiphp.h +++ b/drivers/pci/hotplug/acpiphp.h @@ -162,7 +162,6 @@ struct acpiphp_attention_info /* slot flags */ -#define SLOT_POWEREDON (0x00000001) #define SLOT_ENABLED (0x00000002) #define SLOT_MULTIFUNCTION (0x00000004) @@ -170,11 +169,7 @@ struct acpiphp_attention_info #define FUNC_HAS_STA (0x00000001) #define FUNC_HAS_EJ0 (0x00000002) -#define FUNC_HAS_PS0 (0x00000010) -#define FUNC_HAS_PS1 (0x00000020) -#define FUNC_HAS_PS2 (0x00000040) -#define FUNC_HAS_PS3 (0x00000080) -#define FUNC_HAS_DCK (0x00000100) +#define FUNC_HAS_DCK (0x00000004) /* function prototypes */ diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 44191db1f050..b6691cc8230b 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -303,12 +303,6 @@ static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data, if (acpi_has_method(handle, "_STA")) newfunc->flags |= FUNC_HAS_STA; - if (acpi_has_method(handle, "_PS0")) - newfunc->flags |= FUNC_HAS_PS0; - - if (acpi_has_method(handle, "_PS3")) - newfunc->flags |= FUNC_HAS_PS3; - if (acpi_has_method(handle, "_DCK")) newfunc->flags |= FUNC_HAS_DCK; @@ -366,7 +360,7 @@ static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data, if (pci_bus_read_dev_vendor_id(pbus, PCI_DEVFN(device, function), &val, 60*1000)) - slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON); + slot->flags |= SLOT_ENABLED; if (is_dock_device(handle)) { /* we don't want to call this device's _EJ0 @@ -446,73 +440,6 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge) mutex_unlock(&bridge_mutex); } -static int power_on_slot(struct acpiphp_slot *slot) -{ - acpi_status status; - struct acpiphp_func *func; - int retval = 0; - - /* if already enabled, just skip */ - if (slot->flags & SLOT_POWEREDON) - goto err_exit; - - list_for_each_entry(func, &slot->funcs, sibling) { - if (func->flags & FUNC_HAS_PS0) { - dbg("%s: executing _PS0\n", __func__); - status = acpi_evaluate_object(func_to_handle(func), - "_PS0", NULL, NULL); - if (ACPI_FAILURE(status)) { - warn("%s: _PS0 failed\n", __func__); - retval = -1; - goto err_exit; - } else - break; - } - } - - /* TBD: evaluate _STA to check if the slot is enabled */ - - slot->flags |= SLOT_POWEREDON; - - err_exit: - return retval; -} - - -static int power_off_slot(struct acpiphp_slot *slot) -{ - acpi_status status; - struct acpiphp_func *func; - - int retval = 0; - - /* if already disabled, just skip */ - if ((slot->flags & SLOT_POWEREDON) == 0) - goto err_exit; - - list_for_each_entry(func, &slot->funcs, sibling) { - if (func->flags & FUNC_HAS_PS3) { - status = acpi_evaluate_object(func_to_handle(func), - "_PS3", NULL, NULL); - if (ACPI_FAILURE(status)) { - warn("%s: _PS3 failed\n", __func__); - retval = -1; - goto err_exit; - } else - break; - } - } - - /* TBD: evaluate _STA to check if the slot is disabled */ - - slot->flags &= (~SLOT_POWEREDON); - - err_exit: - return retval; -} - - - /** * acpiphp_max_busnr - return the highest reserved bus number under the given bus. * @bus: bus to start search with @@ -559,8 +486,13 @@ static void acpiphp_bus_trim(acpi_handle handle) */ static void acpiphp_bus_add(acpi_handle handle) { + struct acpi_device *adev = NULL; + acpiphp_bus_trim(handle); acpi_bus_scan(handle); + acpi_bus_get_device(handle, &adev); + if (adev) + acpi_device_set_power(adev, ACPI_STATE_D0); } static void acpiphp_set_acpi_region(struct acpiphp_slot *slot) @@ -1095,23 +1027,8 @@ int acpiphp_enable_slot(struct acpiphp_slot *slot) int retval; mutex_lock(&slot->crit_sect); - - /* wake up all functions */ - retval = power_on_slot(slot); - if (retval) - goto err_exit; - - if (get_slot_status(slot) == ACPI_STA_ALL) { - /* configure all functions */ - retval = enable_device(slot); - if (retval) - power_off_slot(slot); - } else { - dbg("%s: Slot status is not ACPI_STA_ALL\n", __func__); - power_off_slot(slot); - } - - err_exit: + /* configure all functions */ + retval = enable_device(slot); mutex_unlock(&slot->crit_sect); return retval; } @@ -1132,11 +1049,6 @@ int acpiphp_disable_and_eject_slot(struct acpiphp_slot *slot) if (retval) goto err_exit; - /* power off all functions */ - retval = power_off_slot(slot); - if (retval) - goto err_exit; - list_for_each_entry(func, &slot->funcs, sibling) if (func->flags & FUNC_HAS_EJ0) { acpi_handle handle = func_to_handle(func); @@ -1159,7 +1071,7 @@ int acpiphp_disable_and_eject_slot(struct acpiphp_slot *slot) */ u8 acpiphp_get_power_status(struct acpiphp_slot *slot) { - return (slot->flags & SLOT_POWEREDON); + return (slot->flags & SLOT_ENABLED); } |