diff options
author | David Vrabel <david.vrabel@csr.com> | 2009-01-02 13:17:13 +0000 |
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committer | David Vrabel <david.vrabel@csr.com> | 2009-01-02 13:17:13 +0000 |
commit | b21a207141d83a06abc5f492b80204602e02ca44 (patch) | |
tree | f0152cde543008c72d7eb5c12c18095ad92785e6 /Documentation/usb | |
parent | 3af373021fa32f8f787bfbdcc1a9277a287bde4e (diff) | |
parent | b58602a4bac012b5f4fc12fe6b46ab237b610d5d (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Conflicts:
drivers/uwb/wlp/eda.c
Diffstat (limited to 'Documentation/usb')
-rw-r--r-- | Documentation/usb/gadget_serial.txt | 4 | ||||
-rw-r--r-- | Documentation/usb/proc_usb_info.txt | 6 | ||||
-rw-r--r-- | Documentation/usb/usbmon.txt | 12 |
3 files changed, 13 insertions, 9 deletions
diff --git a/Documentation/usb/gadget_serial.txt b/Documentation/usb/gadget_serial.txt index 9b22bd14c348..eac7df94d8e3 100644 --- a/Documentation/usb/gadget_serial.txt +++ b/Documentation/usb/gadget_serial.txt @@ -114,11 +114,11 @@ modules. Then you must load the gadget serial driver. To load it as an ACM device (recommended for interoperability), do this: - modprobe g_serial use_acm=1 + modprobe g_serial To load it as a vendor specific bulk in/out device, do this: - modprobe g_serial + modprobe g_serial use_acm=0 This will also automatically load the underlying gadget peripheral controller driver. This must be done each time you reboot the gadget diff --git a/Documentation/usb/proc_usb_info.txt b/Documentation/usb/proc_usb_info.txt index 077e9032d0cd..fafcd4723260 100644 --- a/Documentation/usb/proc_usb_info.txt +++ b/Documentation/usb/proc_usb_info.txt @@ -49,8 +49,10 @@ it and 002/048 sometime later. These files can be read as binary data. The binary data consists of first the device descriptor, then the descriptors for each -configuration of the device. That information is also shown in -text form by the /proc/bus/usb/devices file, described later. +configuration of the device. Multi-byte fields in the device and +configuration descriptors, but not other descriptors, are converted +to host endianness by the kernel. This information is also shown +in text form by the /proc/bus/usb/devices file, described later. These files may also be used to write user-level drivers for the USB devices. You would open the /proc/bus/usb/BBB/DDD file read/write, diff --git a/Documentation/usb/usbmon.txt b/Documentation/usb/usbmon.txt index 2917ce4ffdc4..270481906dc8 100644 --- a/Documentation/usb/usbmon.txt +++ b/Documentation/usb/usbmon.txt @@ -34,11 +34,12 @@ if usbmon is built into the kernel. Verify that bus sockets are present. # ls /sys/kernel/debug/usbmon -0s 0t 0u 1s 1t 1u 2s 2t 2u 3s 3t 3u 4s 4t 4u +0s 0u 1s 1t 1u 2s 2t 2u 3s 3t 3u 4s 4t 4u # -Now you can choose to either use the sockets numbered '0' (to capture packets on -all buses), and skip to step #3, or find the bus used by your device with step #2. +Now you can choose to either use the socket '0u' (to capture packets on all +buses), and skip to step #3, or find the bus used by your device with step #2. +This allows to filter away annoying devices that talk continuously. 2. Find which bus connects to the desired device @@ -99,8 +100,9 @@ on the event type, but there is a set of words, common for all types. Here is the list of words, from left to right: -- URB Tag. This is used to identify URBs is normally a kernel mode address - of the URB structure in hexadecimal. +- URB Tag. This is used to identify URBs, and is normally an in-kernel address + of the URB structure in hexadecimal, but can be a sequence number or any + other unique string, within reason. - Timestamp in microseconds, a decimal number. The timestamp's resolution depends on available clock, and so it can be much worse than a microsecond |