/**
* octeon_i2c_wait - wait for the IFLG to be set
* @i2c: The struct octeon_i2c
*
* Returns 0 on success, otherwise a negative errno.
*/
static int octeon_i2c_wait(struct octeon_i2c *i2c)
{
long time_left;
/*
* Some chip revisions don't assert the irq in the interrupt
* controller. So we must poll for the IFLG change.
*/
if (i2c->broken_irq_mode) {
u64 end = get_jiffies_64() + i2c->adap.timeout;
while (!octeon_i2c_test_iflg(i2c) &&
time_before64(get_jiffies_64(), end))
usleep_range(I2C_OCTEON_EVENT_WAIT / 2, I2C_OCTEON_EVENT_WAIT);
return octeon_i2c_test_iflg(i2c) ? 0 : -ETIMEDOUT;
}
i2c->int_enable(i2c);
time_left = wait_event_timeout(i2c->queue, octeon_i2c_test_iflg(i2c),
i2c->adap.timeout);
i2c->int_disable(i2c);
if (i2c->broken_irq_check && !time_left &&
octeon_i2c_test_iflg(i2c)) {
dev_err(i2c->dev, "broken irq connection detected, switching to polling mode.\n");
i2c->broken_irq_mode = true;
return 0;
}
if (!time_left)
return -ETIMEDOUT;
return 0;
}
/**
* octeon_i2c_wait - wait for the IFLG to be set.
* @i2c: The struct octeon_i2c.
*
* Returns 0 on success, otherwise a negative errno.
*/
static int octeon_i2c_wait(struct octeon_i2c *i2c)
{
int result;
octeon_i2c_int_enable(i2c);
result = wait_event_interruptible_timeout(i2c->queue,
octeon_i2c_test_iflg(i2c),
i2c->adap.timeout);
octeon_i2c_int_disable(i2c);
if (result < 0) {
dev_dbg(i2c->dev, "%s: wait interrupted\n", __func__);
return result;
} else if (result == 0) {
dev_dbg(i2c->dev, "%s: timeout\n", __func__);
<<<<<<< HEAD
/**
* octeon_i2c_wait - wait for the IFLG to be set.
* @i2c: The struct octeon_i2c.
*
* Returns 0 on success, otherwise a negative errno.
*/
static int octeon_i2c_wait(struct octeon_i2c *i2c)
{
long result;
octeon_i2c_int_enable(i2c);
result = wait_event_timeout(i2c->queue,
octeon_i2c_test_iflg(i2c),
i2c->adap.timeout);
octeon_i2c_int_disable(i2c);
if (result == 0) {
dev_dbg(i2c->dev, "%s: timeout\n", __func__);
return -ETIMEDOUT;
}
return 0;
}
