diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-nomadik.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index 182761e..3bf95b9 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -121,9 +121,6 @@ enum i2c_operation { I2C_READ = 0x01 }; -/* controller response timeout in ms */ -#define I2C_TIMEOUT_MS 2000 - /** * struct i2c_nmk_client - client specific data * @slave_adr: 7-bit slave address @@ -213,7 +210,7 @@ static int flush_i2c_fifo(struct nmk_i2c_dev *dev) writel((I2C_CR_FTX | I2C_CR_FRX), dev->virtbase + I2C_CR); for (i = 0; i < LOOP_ATTEMPTS; i++) { - timeout = jiffies + msecs_to_jiffies(I2C_TIMEOUT_MS); + timeout = jiffies + msecs_to_jiffies(dev->adap.timeout); while (!time_after(jiffies, timeout)) { if ((readl(dev->virtbase + I2C_CR) & @@ -434,7 +431,7 @@ static int read_i2c(struct nmk_i2c_dev *dev) dev->virtbase + I2C_IMSCR); timeout = wait_for_completion_interruptible_timeout( - &dev->xfer_complete, msecs_to_jiffies(I2C_TIMEOUT_MS)); + &dev->xfer_complete, msecs_to_jiffies(dev->adap.timeout)); if (timeout < 0) { dev_err(&dev->pdev->dev, @@ -498,7 +495,7 @@ static int write_i2c(struct nmk_i2c_dev *dev) dev->virtbase + I2C_IMSCR); timeout = wait_for_completion_interruptible_timeout( - &dev->xfer_complete, msecs_to_jiffies(I2C_TIMEOUT_MS)); + &dev->xfer_complete, msecs_to_jiffies(dev->adap.timeout)); if (timeout < 0) { dev_err(&dev->pdev->dev, @@ -917,6 +914,7 @@ static int __devinit nmk_i2c_probe(struct platform_device *pdev) adap->owner = THIS_MODULE; adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; adap->algo = &nmk_i2c_algo; + adap->timeout = pdata->timeout ? pdata->timeout : 20000; snprintf(adap->name, sizeof(adap->name), "Nomadik I2C%d at %lx", pdev->id, (unsigned long)res->start); |