diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/removed/raw1394_legacy_isochronous | 16 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb | 13 |
2 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/ABI/removed/raw1394_legacy_isochronous b/Documentation/ABI/removed/raw1394_legacy_isochronous new file mode 100644 index 0000000..1b62962 --- /dev/null +++ b/Documentation/ABI/removed/raw1394_legacy_isochronous @@ -0,0 +1,16 @@ +What: legacy isochronous ABI of raw1394 (1st generation iso ABI) +Date: June 2007 (scheduled), removed in kernel v2.6.23 +Contact: linux1394-devel@lists.sourceforge.net +Description: + The two request types RAW1394_REQ_ISO_SEND, RAW1394_REQ_ISO_LISTEN have + been deprecated for quite some time. They are very inefficient as they + come with high interrupt load and several layers of callbacks for each + packet. Because of these deficiencies, the video1394 and dv1394 drivers + and the 3rd-generation isochronous ABI in raw1394 (rawiso) were created. + +Users: + libraw1394 users via the long deprecated API raw1394_iso_write, + raw1394_start_iso_write, raw1394_start_iso_rcv, raw1394_stop_iso_rcv + + libdc1394, which optionally uses these old libraw1394 calls + alternatively to the more efficient video1394 ABI diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index f9937ad..9734577 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -39,3 +39,16 @@ Description: If you want to suspend a device immediately but leave it free to wake up in response to I/O requests, you should write "0" to power/autosuspend. + +What: /sys/bus/usb/devices/.../power/persist +Date: May 2007 +KernelVersion: 2.6.23 +Contact: Alan Stern <stern@rowland.harvard.edu> +Description: + If CONFIG_USB_PERSIST is set, then each USB device directory + will contain a file named power/persist. The file holds a + boolean value (0 or 1) indicating whether or not the + "USB-Persist" facility is enabled for the device. Since the + facility is inherently dangerous, it is disabled by default + for all devices except hubs. For more information, see + Documentation/usb/persist.txt. |