kfifo: add example files to the kernel sample directory

Add four examples to the kernel sample directory.

It shows how to handle:
- a byte stream fifo
- a integer type fifo
- a dynamic record sized fifo
- the fifo DMA functions

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Stefani Seibold <stefani@seibold.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/samples/Kconfig b/samples/Kconfig
index 8924f72f0629..954a1d550c5f 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -44,4 +44,14 @@ config SAMPLE_HW_BREAKPOINT
         help
           This builds kernel hardware breakpoint example modules.
 
+config SAMPLE_KFIFO
+        tristate "Build kfifo examples -- loadable modules only"
+        depends on m
+        help
+          This config option will allow you to build a number of
+          different kfifo sample modules showing how to use the
+          generic kfifo API.
+
+          If in doubt, say "N" here.
+
 endif # SAMPLES