spi: npcm-fiu: Modify direct read dummy configuration

Modify NPCM BMC FIU direct read dummy configuration that according
spi-mem direct read function.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Link: https://lore.kernel.org/r/20220718081146.256070-2-tmaimon77@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-npcm-fiu.c b/drivers/spi/spi-npcm-fiu.c
index ba67dbe..d5b4fe7 100644 (file)
--- a/drivers/spi/spi-npcm-fiu.c
+++ b/drivers/spi/spi-npcm-fiu.c
@@ -252,8 +252,7 @@ static void npcm_fiu_set_drd(struct npcm_fiu_spi *fiu,
        fiu->drd_op.addr.buswidth = op->addr.buswidth;
        regmap_update_bits(fiu->regmap, NPCM_FIU_DRD_CFG,
                           NPCM_FIU_DRD_CFG_DBW,
-                          ((op->dummy.nbytes * ilog2(op->addr.buswidth)) / BITS_PER_BYTE)
-                          << NPCM_FIU_DRD_DBW_SHIFT);
+                          op->dummy.nbytes << NPCM_FIU_DRD_DBW_SHIFT);
        fiu->drd_op.dummy.nbytes = op->dummy.nbytes;
        regmap_update_bits(fiu->regmap, NPCM_FIU_DRD_CFG,
                           NPCM_FIU_DRD_CFG_RDCMD, op->cmd.opcode);