staging: kpc2000: kpc_spi: remove function kp_spi_bytes_per_word()

The static function kp_spi_bytes_per_word() is defined in kpc2000_spi.c,
but it is completely unused. As this function is unused, it can and
should be removed.

Signed-off-by: Geordan Neukum <gneukum1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/kpc2000/kpc2000_spi.c b/drivers/staging/kpc2000/kpc2000_spi.c
index 049b1e3..b513432 100644 (file)
--- a/drivers/staging/kpc2000/kpc2000_spi.c
+++ b/drivers/staging/kpc2000/kpc2000_spi.c
@@ -162,20 +162,6 @@ union kp_spi_ffctrl {
 /***************
  * SPI Helpers *
  ***************/
-       static inline int
-kp_spi_bytes_per_word(int word_len)
-{
-       if (word_len <= 8){
-               return 1;
-       }
-       else if (word_len <= 16) {
-               return 2;
-       }
-       else { /* word_len <= 32 */
-               return 4;
-       }
-}
-
        static inline u64
 kp_spi_read_reg(struct kp_spi_controller_state *cs, int idx)
 {