@@ -430,10 +430,14 @@ static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy)
return -EAGAIN;
}
- if (for_busy && (temp & I2SR_IBB))
+ if (for_busy && (temp & I2SR_IBB)) {
+ i2c_imx->stopped = 0;
break;
- if (!for_busy && !(temp & I2SR_IBB))
+ }
+ if (!for_busy && !(temp & I2SR_IBB)) {
+ i2c_imx->stopped = 1;
break;
+ }
if (time_after(jiffies, orig_jiffies + msecs_to_jiffies(500))) {
dev_dbg(&i2c_imx->adapter.dev,
"<%s> I2C bus is busy\n", __func__);
@@ -547,7 +551,6 @@ static int i2c_imx_start(struct imx_i2c_struct *i2c_imx)
result = i2c_imx_bus_busy(i2c_imx, 1);
if (result)
return result;
- i2c_imx->stopped = 0;
temp |= I2CR_IIEN | I2CR_MTX | I2CR_TXAK;
temp &= ~I2CR_DMAEN;
@@ -578,7 +581,6 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx)
if (!i2c_imx->stopped) {
i2c_imx_bus_busy(i2c_imx, 0);
- i2c_imx->stopped = 1;
}
/* Disable I2C controller */
@@ -733,7 +735,6 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx,
temp &= ~(I2CR_MSTA | I2CR_MTX);
imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR);
i2c_imx_bus_busy(i2c_imx, 0);
- i2c_imx->stopped = 1;
} else {
/*
* For i2c master receiver repeat restart operation like:
@@ -861,7 +862,6 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo
temp &= ~(I2CR_MSTA | I2CR_MTX);
imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR);
i2c_imx_bus_busy(i2c_imx, 0);
- i2c_imx->stopped = 1;
} else {
/*
* For i2c master receiver repeat restart operation like: