bootcount_ext: Add Ext4 build dependency

This config option depends on EXT4 support.
If Ext4 write capability is not selected, it generate write error messages
and is unable to maintain boot counter.

Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>

diff --git a/drivers/bootcount/Kconfig b/drivers/bootcount/Kconfig
index 0356f8ba1815edfe01dba33ad2229019aea2adfd..c8e6fa7f892501b6b615e419310df92616684362 100644 (file)
--- a/drivers/bootcount/Kconfig
+++ b/drivers/bootcount/Kconfig
@@ -27,6 +27,8 @@ config BOOTCOUNT_GENERIC
 
 config BOOTCOUNT_EXT
        bool "Boot counter on EXT filesystem"
+       depends on FS_EXT4
+       select EXT4_WRITE
        help
          Add support for maintaining boot count in a file on an EXT
          filesystem.