firewire: state userland requirements in Kconfig help

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig
index 76f26710fc16393bbecb80310924789798d2f718..fa6d6abefd4d14d9bdb8c372118a1ddbcea7b2fb 100644 (file)
--- a/drivers/firewire/Kconfig
+++ b/drivers/firewire/Kconfig
@@ -16,8 +16,13 @@ config FIREWIRE
          enable the new stack.
 
          To compile this driver as a module, say M here: the module will be
-         called firewire-core.  It functionally replaces ieee1394, raw1394,
-         and video1394.
+         called firewire-core.
+
+         This module functionally replaces ieee1394, raw1394, and video1394.
+         To access it from application programs, you generally need at least
+         libraw1394 version 2.  IIDC/DCAM applications also need libdc1394
+         version 2.  No libraries are required to access storage devices
+         through the firewire-sbp2 driver.
 
 config FIREWIRE_OHCI
        tristate "OHCI-1394 controllers"