Messages in this thread Patch in this message | | | From | Tyrone Ting <> | Subject | [PATCH v2 08/11] i2c: npcm: Correct register access width | Date | Sun, 20 Feb 2022 11:53:18 +0800 |
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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> --- 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 ee4757eff4b3..4715afcf9ac4 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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