diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-04 07:07:22 -0700 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-04 07:07:22 -0700 |
commit | 742b0c905d970fd60893cce14a3c68b523504bc4 (patch) | |
tree | d85689d464a8b11efe7fb6ff2f2151c4c4974871 /Documentation | |
parent | 235bd6140dad7c08261abdc1f8056485c5344a74 (diff) | |
parent | 9171078ab5a0bbb516029cfc61378e0350a7b30d (diff) |
Merge of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6.git/
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/pci.txt | 1 | ||||
-rw-r--r-- | Documentation/power/pci.txt | 35 |
2 files changed, 3 insertions, 33 deletions
diff --git a/Documentation/pci.txt b/Documentation/pci.txt index 67514bf87cc..62b1dc5d97e 100644 --- a/Documentation/pci.txt +++ b/Documentation/pci.txt @@ -279,6 +279,7 @@ pci_for_each_dev_reverse() Superseded by pci_find_device_reverse() pci_for_each_bus() Superseded by pci_find_next_bus() pci_find_device() Superseded by pci_get_device() pci_find_subsys() Superseded by pci_get_subsys() +pci_find_slot() Superseded by pci_get_slot() pcibios_find_class() Superseded by pci_get_class() pci_find_class() Superseded by pci_get_class() pci_(read|write)_*_nodev() Superseded by pci_bus_(read|write)_*() diff --git a/Documentation/power/pci.txt b/Documentation/power/pci.txt index c85428e7ad9..35b1a7dae34 100644 --- a/Documentation/power/pci.txt +++ b/Documentation/power/pci.txt @@ -165,40 +165,9 @@ Description: These functions are intended for use by individual drivers, and are defined in struct pci_driver: - int (*save_state) (struct pci_dev *dev, u32 state); - int (*suspend) (struct pci_dev *dev, u32 state); + int (*suspend) (struct pci_dev *dev, pm_message_t state); int (*resume) (struct pci_dev *dev); - int (*enable_wake) (struct pci_dev *dev, u32 state, int enable); - - -save_state ----------- - -Usage: - -if (dev->driver && dev->driver->save_state) - dev->driver->save_state(dev,state); - -The driver should use this callback to save device state. It should take into -account the current state of the device and the requested state in order to -avoid any unnecessary operations. - -For example, a video card that supports all 4 states (D0-D3), all controller -context is preserved when entering D1, but the screen is placed into a low power -state (blanked). - -The driver can also interpret this function as a notification that it may be -entering a sleep state in the near future. If it knows that the device cannot -enter the requested state, either because of lack of support for it, or because -the device is middle of some critical operation, then it should fail. - -This function should not be used to set any state in the device or the driver -because the device may not actually enter the sleep state (e.g. another driver -later causes causes a global state transition to fail). - -Note that in intermediate low power states, a device's I/O and memory spaces may -be disabled and may not be available in subsequent transitions to lower power -states. + int (*enable_wake) (struct pci_dev *dev, pci_power_t state, int enable); suspend |