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Date: Thu, 3 Mar 2022 16:31:38 +0800
From: Tyrone Ting <warp5tw@...il.com>
To: avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com,
venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com,
robh+dt@...nel.org, krzysztof.kozlowski@...onical.com,
yangyicong@...ilicon.com, semen.protsenko@...aro.org,
wsa@...nel.org, jie.deng@...el.com, sven@...npeter.dev,
bence98@....bme.hu, lukas.bulwahn@...il.com, arnd@...db.de,
olof@...om.net, andriy.shevchenko@...ux.intel.com,
warp5tw@...il.com, tali.perry@...oton.com, Avi.Fishman@...oton.com,
tomer.maimon@...oton.com, KWLIU@...oton.com, JJLIU0@...oton.com,
kfting@...oton.com
Cc: openbmc@...ts.ozlabs.org, linux-i2c@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 08/11] i2c: npcm: Correct register access width
From: Tyrone Ting <kfting@...oton.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@...oton.com>
Signed-off-by: Tali Perry <tali.perry1@...il.com>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@....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
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