USB: usbfs: deprecate and hide option for !embedded

[mirror_ubuntu-bionic-kernel.git] / drivers / usb / core / Kconfig

diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index e1759d17ac5d17ca9cafeea4d67094954af07462..69280c35b5cbc6d93cc50c99d7f4a7f747c1fc99 100644 (file)
--- 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)"