Phonet: advise against enabling the pipe controller

As it currently is, the new code path is not compatible with existing
Nokia modems. This would break existing userspace for Nokia modem, such
as the existing oFono ISI driver.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/phonet/Kconfig b/net/phonet/Kconfig
index 901956ada9c8c956c49241a130db68294449f4bc..a4fceb8fbcc266e0dd4c40abac279557b895970b 100644 (file)
--- a/net/phonet/Kconfig
+++ b/net/phonet/Kconfig
@@ -24,4 +24,5 @@ config PHONET_PIPECTRLR
          data with Nokia Slim modems like WG2.5 used on ST-Ericsson U8500
          platform.
 
-         If unsure, say N.
+         This option is incompatible with older Nokia modems.
+         Say N here unless you really know what you are doing.