static int pca_isa_waitforinterrupt(struct i2c_algo_pca_data *adap)
{
int ret = 0;
if (irq > -1) {
ret = wait_event_interruptible(pca_wait,
pca_isa_readbyte(adap, I2C_PCA_CON) & I2C_PCA_CON_SI);
} else {
while ((pca_isa_readbyte(adap, I2C_PCA_CON) & I2C_PCA_CON_SI) == 0)
udelay(100);
}
return ret;
}
static int pca_isa_waitforcompletion(void *pd)
{
int ret = 0;
if (irq > -1) {
ret = wait_event_interruptible(pca_wait,
pca_isa_readbyte(pd, I2C_PCA_CON) & I2C_PCA_CON_SI);
} else {
while ((pca_isa_readbyte(pd, I2C_PCA_CON) & I2C_PCA_CON_SI) == 0)
udelay(100);
}
return ret;
}
static int pca_isa_waitforcompletion(void *pd)
{
long ret = ~0;
unsigned long timeout;
if (irq > -1) {
ret = wait_event_interruptible_timeout(pca_wait,
pca_isa_readbyte(pd, I2C_PCA_CON)
& I2C_PCA_CON_SI, pca_isa_ops.timeout);
} else {
/* Do polling */
timeout = jiffies + pca_isa_ops.timeout;
while (((pca_isa_readbyte(pd, I2C_PCA_CON)
& I2C_PCA_CON_SI) == 0)
&& (ret = time_before(jiffies, timeout)))
udelay(100);
}
return ret > 0;
}
static int pca_isa_waitforcompletion(void *pd)
{
unsigned long timeout;
long ret;
if (irq > -1) {
ret = wait_event_timeout(pca_wait,
pca_isa_readbyte(pd, I2C_PCA_CON)
& I2C_PCA_CON_SI, pca_isa_ops.timeout);
} else {
/* Do polling */
timeout = jiffies + pca_isa_ops.timeout;
do {
ret = time_before(jiffies, timeout);
if (pca_isa_readbyte(pd, I2C_PCA_CON)
& I2C_PCA_CON_SI)
break;
udelay(100);
} while (ret);
}
return ret > 0;
}