diff options
Diffstat (limited to 'drivers/spi/spi-npcm-fiu.c')
| -rw-r--r-- | drivers/spi/spi-npcm-fiu.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/spi/spi-npcm-fiu.c b/drivers/spi/spi-npcm-fiu.c index d25ee32862e0..9468e71f03ad 100644 --- a/drivers/spi/spi-npcm-fiu.c +++ b/drivers/spi/spi-npcm-fiu.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2019 Nuvoton Technology corporation. +#include <linux/bits.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/device.h> @@ -177,7 +178,6 @@ enum { #define MAP_SIZE_16MB 0x1000000 #define MAP_SIZE_8MB 0x800000 -#define NUM_BITS_IN_BYTE 8 #define FIU_DRD_MAX_DUMMY_NUMBER 3 #define NPCM_MAX_CHIP_NUM 4 #define CHUNK_SIZE 16 @@ -252,8 +252,8 @@ 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)) - / NUM_BITS_IN_BYTE) << NPCM_FIU_DRD_DBW_SHIFT); + ((op->dummy.nbytes * ilog2(op->addr.buswidth)) / BITS_PER_BYTE) + << 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); |