firewire: state userland requirements in Kconfig help

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

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig
index 76f26710fc16..fa6d6abefd4d 100644
--- 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"