spi/dw_spi: add return value to empty mrst_spi_debugfs_init()

As per the function signature.

Signed-off-by: George Shore <george@georgeshore.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/drivers/spi/dw_spi.c b/drivers/spi/dw_spi.c
index d948ef4f3910bcd9f8f1b876eb3cfb0c610e295e..cf945a4cc419c1e66a4849c8160c7c05e63914e2 100644 (file)
--- a/drivers/spi/dw_spi.c
+++ b/drivers/spi/dw_spi.c
@@ -152,6 +152,7 @@ static void mrst_spi_debugfs_remove(struct dw_spi *dws)
 #else
 static inline int mrst_spi_debugfs_init(struct dw_spi *dws)
 {
+       return 0;
 }
 
 static inline void mrst_spi_debugfs_remove(struct dw_spi *dws)