diff options
Diffstat (limited to 'drivers/i2c/busses')
-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 182761eace80..3bf95b90abae 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c | |||
@@ -121,9 +121,6 @@ enum i2c_operation { | |||
121 | I2C_READ = 0x01 | 121 | I2C_READ = 0x01 |
122 | }; | 122 | }; |
123 | 123 | ||
124 | /* controller response timeout in ms */ | ||
125 | #define I2C_TIMEOUT_MS 2000 | ||
126 | |||
127 | /** | 124 | /** |
128 | * struct i2c_nmk_client - client specific data | 125 | * struct i2c_nmk_client - client specific data |
129 | * @slave_adr: 7-bit slave address | 126 | * @slave_adr: 7-bit slave address |
@@ -213,7 +210,7 @@ static int flush_i2c_fifo(struct nmk_i2c_dev *dev) | |||
213 | writel((I2C_CR_FTX | I2C_CR_FRX), dev->virtbase + I2C_CR); | 210 | writel((I2C_CR_FTX | I2C_CR_FRX), dev->virtbase + I2C_CR); |
214 | 211 | ||
215 | for (i = 0; i < LOOP_ATTEMPTS; i++) { | 212 | for (i = 0; i < LOOP_ATTEMPTS; i++) { |
216 | timeout = jiffies + msecs_to_jiffies(I2C_TIMEOUT_MS); | 213 | timeout = jiffies + msecs_to_jiffies(dev->adap.timeout); |
217 | 214 | ||
218 | while (!time_after(jiffies, timeout)) { | 215 | while (!time_after(jiffies, timeout)) { |
219 | if ((readl(dev->virtbase + I2C_CR) & | 216 | if ((readl(dev->virtbase + I2C_CR) & |
@@ -434,7 +431,7 @@ static int read_i2c(struct nmk_i2c_dev *dev) | |||
434 | dev->virtbase + I2C_IMSCR); | 431 | dev->virtbase + I2C_IMSCR); |
435 | 432 | ||
436 | timeout = wait_for_completion_interruptible_timeout( | 433 | timeout = wait_for_completion_interruptible_timeout( |
437 | &dev->xfer_complete, msecs_to_jiffies(I2C_TIMEOUT_MS)); | 434 | &dev->xfer_complete, msecs_to_jiffies(dev->adap.timeout)); |
438 | 435 | ||
439 | if (timeout < 0) { | 436 | if (timeout < 0) { |
440 | dev_err(&dev->pdev->dev, | 437 | dev_err(&dev->pdev->dev, |
@@ -498,7 +495,7 @@ static int write_i2c(struct nmk_i2c_dev *dev) | |||
498 | dev->virtbase + I2C_IMSCR); | 495 | dev->virtbase + I2C_IMSCR); |
499 | 496 | ||
500 | timeout = wait_for_completion_interruptible_timeout( | 497 | timeout = wait_for_completion_interruptible_timeout( |
501 | &dev->xfer_complete, msecs_to_jiffies(I2C_TIMEOUT_MS)); | 498 | &dev->xfer_complete, msecs_to_jiffies(dev->adap.timeout)); |
502 | 499 | ||
503 | if (timeout < 0) { | 500 | if (timeout < 0) { |
504 | dev_err(&dev->pdev->dev, | 501 | dev_err(&dev->pdev->dev, |
@@ -917,6 +914,7 @@ static int __devinit nmk_i2c_probe(struct platform_device *pdev) | |||
917 | adap->owner = THIS_MODULE; | 914 | adap->owner = THIS_MODULE; |
918 | adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; | 915 | adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; |
919 | adap->algo = &nmk_i2c_algo; | 916 | adap->algo = &nmk_i2c_algo; |
917 | adap->timeout = pdata->timeout ? pdata->timeout : 20000; | ||
920 | snprintf(adap->name, sizeof(adap->name), | 918 | snprintf(adap->name, sizeof(adap->name), |
921 | "Nomadik I2C%d at %lx", pdev->id, (unsigned long)res->start); | 919 | "Nomadik I2C%d at %lx", pdev->id, (unsigned long)res->start); |
922 | 920 | ||