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-rw-r--r--drivers/usb/core/Kconfig16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index e1759d17ac5d..69280c35b5cb 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -28,7 +28,7 @@ comment "Miscellaneous USB options"
depends on USB
config USB_DEVICEFS
- bool "USB device filesystem"
+ bool "USB device filesystem (DEPRECATED)" if EMBEDDED
depends on USB
---help---
If you say Y here (and to "/proc file system support" in the "File
@@ -46,11 +46,15 @@ config USB_DEVICEFS
For the format of the various /proc/bus/usb/ files, please read
<file:Documentation/usb/proc_usb_info.txt>.
- Usbfs files can't handle Access Control Lists (ACL), which are the
- default way to grant access to USB devices for untrusted users of a
- desktop system. The usbfs functionality is replaced by real
- device-nodes managed by udev. These nodes live in /dev/bus/usb and
- are used by libusb.
+ Modern Linux systems do not use this.
+
+ Usbfs entries are files and not character devices; usbfs can't
+ handle Access Control Lists (ACL) which are the default way to
+ grant access to USB devices for untrusted users of a desktop
+ system.
+
+ The usbfs functionality is replaced by real device-nodes managed by
+ udev. These nodes lived in /dev/bus/usb and are used by libusb.
config USB_DEVICE_CLASS
bool "USB device class-devices (DEPRECATED)"