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Merge branches 'acpi-pnp' and 'acpi-pci' 

* acpi-pnp:
  ACPI / PNP: Use ACPI_COMPANION() instead of ACPI_HANDLE()
  ACPI / PNP: do ACPI binding directly

* acpi-pci:
  ACPI / PCI: Use ACPI_COMPANION() instead of ACPI_HANDLE()
This commit is contained in:
Rafael J. Wysocki 2014-07-27 23:55:35 +02:00
parent 805c528158 e70dba6020 85dbb3d05e
commit 91af125c33
4 changed files with 35 additions and 77 deletions
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2
drivers/acpi/internal.h
View File

@ -84,8 +84,6 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
int type, unsigned long long sta);
void acpi_device_add_finalize(struct acpi_device *device);
void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
int acpi_bind_one(struct device *dev, struct acpi_device *adev);
int acpi_unbind_one(struct device *dev);
bool acpi_device_is_present(struct acpi_device *adev);
bool acpi_device_is_battery(struct acpi_device *adev);

16
drivers/pci/pci-acpi.c
View File

@ -150,14 +150,13 @@ static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev)
static bool acpi_pci_power_manageable(struct pci_dev *dev)
{
acpi_handle handle = ACPI_HANDLE(&dev->dev);
return handle ? acpi_bus_power_manageable(handle) : false;
struct acpi_device *adev = ACPI_COMPANION(&dev->dev);
return adev ? acpi_device_power_manageable(adev) : false;
}
static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
{
acpi_handle handle = ACPI_HANDLE(&dev->dev);
struct acpi_device *adev = ACPI_COMPANION(&dev->dev);
static const u8 state_conv[] = {
[PCI_D0] = ACPI_STATE_D0,
[PCI_D1] = ACPI_STATE_D1,
@ -168,7 +167,7 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
int error = -EINVAL;
/* If the ACPI device has _EJ0, ignore the device */
if (!handle || acpi_has_method(handle, "_EJ0"))
if (!adev || acpi_has_method(adev->handle, "_EJ0"))
return -ENODEV;
switch (state) {
@ -182,7 +181,7 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
case PCI_D1:
case PCI_D2:
case PCI_D3hot:
error = acpi_bus_set_power(handle, state_conv[state]);
error = acpi_device_set_power(adev, state_conv[state]);
}
if (!error)
@ -194,9 +193,8 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
static bool acpi_pci_can_wakeup(struct pci_dev *dev)
{
acpi_handle handle = ACPI_HANDLE(&dev->dev);
return handle ? acpi_bus_can_wakeup(handle) : false;
struct acpi_device *adev = ACPI_COMPANION(&dev->dev);
return adev ? acpi_device_can_wakeup(adev) : false;
}
static void acpi_pci_propagate_wakeup_enable(struct pci_bus *bus, bool enable)

92
drivers/pnp/pnpacpi/core.c
View File

@ -67,8 +67,8 @@ static int pnpacpi_set_resources(struct pnp_dev *dev)
pnp_dbg(&dev->dev, "set resources\n");
handle = ACPI_HANDLE(&dev->dev);
if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
acpi_dev = ACPI_COMPANION(&dev->dev);
if (!acpi_dev) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return -ENODEV;
}
@ -76,6 +76,7 @@ static int pnpacpi_set_resources(struct pnp_dev *dev)
if (WARN_ON_ONCE(acpi_dev != dev->data))
dev->data = acpi_dev;
handle = acpi_dev->handle;
if (acpi_has_method(handle, METHOD_NAME__SRS)) {
struct acpi_buffer buffer;
@ -93,8 +94,8 @@ static int pnpacpi_set_resources(struct pnp_dev *dev)
}
kfree(buffer.pointer);
}
if (!ret && acpi_bus_power_manageable(handle))
ret = acpi_bus_set_power(handle, ACPI_STATE_D0);
if (!ret && acpi_device_power_manageable(acpi_dev))
ret = acpi_device_set_power(acpi_dev, ACPI_STATE_D0);
return ret;
}
@ -102,23 +103,22 @@ static int pnpacpi_set_resources(struct pnp_dev *dev)
static int pnpacpi_disable_resources(struct pnp_dev *dev)
{
struct acpi_device *acpi_dev;
acpi_handle handle;
acpi_status status;
dev_dbg(&dev->dev, "disable resources\n");
handle = ACPI_HANDLE(&dev->dev);
if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
acpi_dev = ACPI_COMPANION(&dev->dev);
if (!acpi_dev) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return 0;
}
/* acpi_unregister_gsi(pnp_irq(dev, 0)); */
if (acpi_bus_power_manageable(handle))
acpi_bus_set_power(handle, ACPI_STATE_D3_COLD);
if (acpi_device_power_manageable(acpi_dev))
acpi_device_set_power(acpi_dev, ACPI_STATE_D3_COLD);
/* continue even if acpi_bus_set_power() fails */
status = acpi_evaluate_object(handle, "_DIS", NULL, NULL);
/* continue even if acpi_device_set_power() fails */
status = acpi_evaluate_object(acpi_dev->handle, "_DIS", NULL, NULL);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
return -ENODEV;
@ -128,26 +128,22 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev)
#ifdef CONFIG_ACPI_SLEEP
static bool pnpacpi_can_wakeup(struct pnp_dev *dev)
{
struct acpi_device *acpi_dev;
acpi_handle handle;
struct acpi_device *acpi_dev = ACPI_COMPANION(&dev->dev);
handle = ACPI_HANDLE(&dev->dev);
if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
if (!acpi_dev) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return false;
}
return acpi_bus_can_wakeup(handle);
return acpi_bus_can_wakeup(acpi_dev->handle);
}
static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
{
struct acpi_device *acpi_dev;
acpi_handle handle;
struct acpi_device *acpi_dev = ACPI_COMPANION(&dev->dev);
int error = 0;
handle = ACPI_HANDLE(&dev->dev);
if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
if (!acpi_dev) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return 0;
}
@ -159,7 +155,7 @@ static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
return error;
}
if (acpi_bus_power_manageable(handle)) {
if (acpi_device_power_manageable(acpi_dev)) {
int power_state = acpi_pm_device_sleep_state(&dev->dev, NULL,
ACPI_STATE_D3_COLD);
if (power_state < 0)
@ -167,12 +163,12 @@ static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
ACPI_STATE_D0 : ACPI_STATE_D3_COLD;
/*
* acpi_bus_set_power() often fails (keyboard port can't be
* acpi_device_set_power() can fail (keyboard port can't be
* powered-down?), and in any case, our return value is ignored
* by pnp_bus_suspend(). Hence we don't revert the wakeup
* setting if the set_power fails.
*/
error = acpi_bus_set_power(handle, power_state);
error = acpi_device_set_power(acpi_dev, power_state);
}
return error;
@ -180,11 +176,10 @@ static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
static int pnpacpi_resume(struct pnp_dev *dev)
{
struct acpi_device *acpi_dev;
acpi_handle handle = ACPI_HANDLE(&dev->dev);
struct acpi_device *acpi_dev = ACPI_COMPANION(&dev->dev);
int error = 0;
if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
if (!acpi_dev) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return -ENODEV;
}
@ -192,8 +187,8 @@ static int pnpacpi_resume(struct pnp_dev *dev)
if (device_may_wakeup(&dev->dev))
acpi_pm_device_sleep_wake(&dev->dev, false);
if (acpi_bus_power_manageable(handle))
error = acpi_bus_set_power(handle, ACPI_STATE_D0);
if (acpi_device_power_manageable(acpi_dev))
error = acpi_device_set_power(acpi_dev, ACPI_STATE_D0);
return error;
}
@ -295,9 +290,11 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
return error;
}
error = acpi_bind_one(&dev->dev, device);
num++;
return 0;
return error;
}
static acpi_status __init pnpacpi_add_device_handler(acpi_handle handle,
@ -313,41 +310,6 @@ static acpi_status __init pnpacpi_add_device_handler(acpi_handle handle,
return AE_OK;
}
static int __init acpi_pnp_match(struct device *dev, void *_pnp)
{
struct acpi_device *acpi = to_acpi_device(dev);
struct pnp_dev *pnp = _pnp;
/* true means it matched */
return !acpi->physical_node_count
&& compare_pnp_id(pnp->id, acpi_device_hid(acpi));
}
static struct acpi_device * __init acpi_pnp_find_companion(struct device *dev)
{
dev = bus_find_device(&acpi_bus_type, NULL, to_pnp_dev(dev),
acpi_pnp_match);
if (!dev)
return NULL;
put_device(dev);
return to_acpi_device(dev);
}
/* complete initialization of a PNPACPI device includes having
* pnpdev->dev.archdata.acpi_handle point to its ACPI sibling.
*/
static bool acpi_pnp_bus_match(struct device *dev)
{
return dev->bus == &pnp_bus_type;
}
static struct acpi_bus_type __initdata acpi_pnp_bus = {
.name = "PNP",
.match = acpi_pnp_bus_match,
.find_companion = acpi_pnp_find_companion,
};
int pnpacpi_disabled __initdata;
static int __init pnpacpi_init(void)
{
@ -357,10 +319,8 @@ static int __init pnpacpi_init(void)
}
printk(KERN_INFO "pnp: PnP ACPI init\n");
pnp_register_protocol(&pnpacpi_protocol);
register_acpi_bus_type(&acpi_pnp_bus);
acpi_get_devices(NULL, pnpacpi_add_device_handler, NULL, NULL);
printk(KERN_INFO "pnp: PnP ACPI: found %d devices\n", num);
unregister_acpi_bus_type(&acpi_pnp_bus);
pnp_platform_devices = 1;
return 0;
}

2
include/acpi/acpi_bus.h
View File

@ -494,6 +494,8 @@ struct acpi_bus_type {
};
int register_acpi_bus_type(struct acpi_bus_type *);
int unregister_acpi_bus_type(struct acpi_bus_type *);
int acpi_bind_one(struct device *dev, struct acpi_device *adev);
int acpi_unbind_one(struct device *dev);
struct acpi_pci_root {
struct acpi_device * device;