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spi: npcm-fiu: Reuse BITS_PER_BYTE definition 

No need to redefine already existing definition.
So, replace custom by generic one.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200618170144.57433-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2020-06-18 20:01:44 +03:00 committed by Mark Brown
parent 539afdf969
commit 0ec544ceb1
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GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 3 deletions
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6
drivers/spi/spi-npcm-fiu.c
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@ -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);