spi/dw_spi: Allow dw_spi.c to be a module

Signed-off-by: Jean-Hugues Deschenes <jean-hugues.deschenes@octasic.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 201746ad825c830327932aed655614d10e591224..1d1e39686c389193a401f60c342628c602c08715 100644 (file)
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -325,7 +325,7 @@ config SPI_NUC900
 #
 
 config SPI_DESIGNWARE
-       bool "DesignWare SPI controller core support"
+       tristate "DesignWare SPI controller core support"
        depends on SPI_MASTER
        help
          general driver for SPI controller core from DesignWare