stm class: Select configfs

STM policy handling is basically configfs, I honestly don't know how we
ended up without a Kconfig dependency, but thanks to randconfig testing,
it's now caught.

Reported-by: Jim Davis <jim.epost@gmail.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hwtracing/stm/Kconfig b/drivers/hwtracing/stm/Kconfig
index 5a59a28cc3dac200613a05985750e256348ccf00..83e9f591a54b356150a7e2090e9a14473b6f96a0 100644 (file)
--- a/drivers/hwtracing/stm/Kconfig
+++ b/drivers/hwtracing/stm/Kconfig
@@ -1,5 +1,6 @@
 config STM
        tristate "System Trace Module devices"
+       select CONFIGFS_FS
        help
          A System Trace Module (STM) is a device exporting data in System
          Trace Protocol (STP) format as defined by MIPI STP standards.