Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Tyrone Ting <warp5tw@gmail.com>
To:     avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com,
        venture@google.com, yuenn@google.com, benjaminfair@google.com,
        robh+dt@kernel.org, krzysztof.kozlowski@canonical.com,
        yangyicong@hisilicon.com, semen.protsenko@linaro.org,
        wsa@kernel.org, jie.deng@intel.com, sven@svenpeter.dev,
        bence98@sch.bme.hu, lukas.bulwahn@gmail.com, arnd@arndb.de,
        olof@lixom.net, andriy.shevchenko@linux.intel.com,
        warp5tw@gmail.com, tali.perry@nuvoton.com, Avi.Fishman@nuvoton.com,
        tomer.maimon@nuvoton.com, KWLIU@nuvoton.com, JJLIU0@nuvoton.com,
        kfting@nuvoton.com
Cc:     openbmc@lists.ozlabs.org, linux-i2c@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3 08/11] i2c: npcm: Correct register access width
Date:   Thu,  3 Mar 2022 16:31:38 +0800
Message-Id: <20220303083141.8742-9-warp5tw@gmail.com>
In-Reply-To: <20220303083141.8742-1-warp5tw@gmail.com>
References: <20220303083141.8742-1-warp5tw@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Tyrone Ting <kfting@nuvoton.com>

Use ioread8 instead of ioread32 to access the SMBnCTL3 register since
the register is only 8-bit wide.

Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver")
Signed-off-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Tali Perry <tali.perry1@gmail.com>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
---
 drivers/i2c/busses/i2c-npcm7xx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c
index 237da0ef32ca..66532c680338 100644
--- a/drivers/i2c/busses/i2c-npcm7xx.c
+++ b/drivers/i2c/busses/i2c-npcm7xx.c
@@ -360,14 +360,14 @@ static int npcm_i2c_get_SCL(struct i2c_adapter *_adap)
 {
 	struct npcm_i2c *bus = container_of(_adap, struct npcm_i2c, adap);
 
-	return !!(I2CCTL3_SCL_LVL & ioread32(bus->reg + NPCM_I2CCTL3));
+	return !!(I2CCTL3_SCL_LVL & ioread8(bus->reg + NPCM_I2CCTL3));
 }
 
 static int npcm_i2c_get_SDA(struct i2c_adapter *_adap)
 {
 	struct npcm_i2c *bus = container_of(_adap, struct npcm_i2c, adap);
 
-	return !!(I2CCTL3_SDA_LVL & ioread32(bus->reg + NPCM_I2CCTL3));
+	return !!(I2CCTL3_SDA_LVL & ioread8(bus->reg + NPCM_I2CCTL3));
 }
 
 static inline u16 npcm_i2c_get_index(struct npcm_i2c *bus)
-- 
2.17.1