spi/dw_spi: unify the low level read/write routines

The original version has many duplicated codes for null/u8/u16 case,
so unify them to make it cleaner

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/spi/dw_spi.h b/drivers/spi/dw_spi.h
index fb0bce564844..d8aac1f4c546 100644
--- a/drivers/spi/dw_spi.h
+++ b/drivers/spi/dw_spi.h
@@ -137,8 +137,6 @@ struct dw_spi {
         u8                      max_bits_per_word;      /* maxim is 16b */
         u32                     dma_width;
         int                     cs_change;
-        int                     (*write)(struct dw_spi *dws);
-        int                     (*read)(struct dw_spi *dws);
         irqreturn_t             (*transfer_handler)(struct dw_spi *dws);
         void                    (*cs_control)(u32 command);