Hi,

When using i2cdetect on a mx28 I get:

$ i2cdetect 0
Error: Can't use SMBus Quick Write command on this bus (ISA bus?)

Enabling I2C_FUNC_SMBUS_QUICK the error goes away:
---
 drivers/i2c/busses/i2c-mxs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 088c5c1..84484bb 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -322,7 +322,7 @@ static int mxs_i2c_xfer(struct i2c_adapter *adap,
struct i2c_msg msgs[],

 static u32 mxs_i2c_func(struct i2c_adapter *adap)
 {
-       return I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK);
+       return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }

 static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
-- 
1.7.9.5

Could anyone clarify whether I2C_FUNC_SMBUS_QUICK option could be
turned on or not?

Thanks,

Fabio Estevam
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