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i2c-davinci: Fix timeout handling

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Properly set the adapter timeout value in jiffies, and then use that
value in the driver, rather than a hard-coded constant.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Troy Kisky <troy.kisky@boundarydevices.com>
Cc: Kevin Hilman <khilman@mvista.com>
This commit is contained in:
Jean Delvare 2009-03-28 21:34:43 +01:00
parent 8a52c6b4d5
commit 98a679cad5
1 changed files with 3 additions and 5 deletions
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8
drivers/i2c/busses/i2c-davinci.c
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@ -216,7 +216,7 @@ static int i2c_davinci_wait_bus_not_busy(struct davinci_i2c_dev *dev,
{
unsigned long timeout;
timeout = jiffies + DAVINCI_I2C_TIMEOUT;
timeout = jiffies + dev->adapter.timeout;
while (davinci_i2c_read_reg(dev, DAVINCI_I2C_STR_REG)
& DAVINCI_I2C_STR_BB) {
if (time_after(jiffies, timeout)) {
@ -289,7 +289,7 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag);
r = wait_for_completion_interruptible_timeout(&dev->cmd_complete,
DAVINCI_I2C_TIMEOUT);
dev->adapter.timeout);
if (r == 0) {
dev_err(dev->dev, "controller timed out\n");
i2c_davinci_init(dev);
@ -546,9 +546,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
strlcpy(adap->name, "DaVinci I2C adapter", sizeof(adap->name));
adap->algo = &i2c_davinci_algo;
adap->dev.parent = &pdev->dev;
/* FIXME */
adap->timeout = 1;
adap->timeout = DAVINCI_I2C_TIMEOUT;
adap->nr = pdev->id;
r = i2c_add_numbered_adapter(adap);