-Index: linux-2.6.28.2/drivers/spi/Kconfig
-===================================================================
---- linux-2.6.28.2.orig/drivers/spi/Kconfig 2009-02-10 17:13:57.000000000 +0100
-+++ linux-2.6.28.2/drivers/spi/Kconfig 2009-02-10 17:14:33.000000000 +0100
-@@ -100,6 +100,15 @@ config SPI_BUTTERFLY
- inexpensive battery powered microcontroller evaluation board.
- This same cable can be used to flash new firmware.
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
+@@ -116,6 +116,15 @@ config SPI_GPIO
+ GPIO operations, you should be able to leverage that for better
+ speed with a custom version of this driver; see the source code.