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authorOliver Neukum <oneukum@suse.com>2023-07-24 11:28:43 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-25 18:23:42 +0200
commit7713aaf464599091d7a43fdae69fd69f0dd942f9 (patch)
tree37169d18c12174ba33a9cbbae764c02b814a25fe /Documentation/driver-api
parent0497d34625167c0841d4828a28a26a10a2e9edde (diff)
downloadlinux-7713aaf464599091d7a43fdae69fd69f0dd942f9.tar.gz
USB: document ioctl USBDEVFS_GET_SPEED
Documenting this ioctl along with the other ioctls Signed-off-by: Oliver Neukum <oneukum@suse.com> Link: https://lore.kernel.org/r/20230724092843.18410-1-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/driver-api')
-rw-r--r--Documentation/driver-api/usb/usb.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/driver-api/usb/usb.rst b/Documentation/driver-api/usb/usb.rst
index 2c94ff2f43857..0fcd75ee5897b 100644
--- a/Documentation/driver-api/usb/usb.rst
+++ b/Documentation/driver-api/usb/usb.rst
@@ -420,6 +420,12 @@ USBDEVFS_CONNECTINFO
know the devnum value already, it's the DDD value of the device file
name.
+USBDEVFS_GET_SPEED
+ Returns the speed of the device. The speed is returned as a
+ nummerical value in accordance with enum usb_device_speed
+
+ File modification time is not updated by this request.
+
USBDEVFS_GETDRIVER
Returns the name of the kernel driver bound to a given interface (a
string). Parameter is a pointer to this structure, which is