linux-kernel - [PATCH v1 1/3] spi: npcm-fiu: Modify direct read dummy configuration

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Message-ID: <20220718081146.256070-2-tmaimon77@gmail.com>
Date:   Mon, 18 Jul 2022 11:11:44 +0300
From:   Tomer Maimon <tmaimon77@...il.com>
To:     <avifishman70@...il.com>, <tali.perry1@...il.com>,
        <joel@....id.au>, <venture@...gle.com>, <yuenn@...gle.com>,
        <benjaminfair@...gle.com>, <broonie@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>
CC:     <openbmc@...ts.ozlabs.org>, <linux-spi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Tomer Maimon <tmaimon77@...il.com>
Subject: [PATCH v1 1/3] 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@...il.com>
---
 drivers/spi/spi-npcm-fiu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/spi/spi-npcm-fiu.c b/drivers/spi/spi-npcm-fiu.c
index ba67dbed9fb8..d5b4fe7b9b62 100644
--- 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);
-- 
2.33.0