Hi Fugang,
> >> >+ /* Waiting for Transfer complete. */
> >> >+ while (timeout--) {
> >> >+ temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2SR);
> >> >+ if (temp & I2SR_ICF)
> >> >+ break;
> >> >+ udelay(10);
> >> >+ }
> >> Whether there have better method like interrupt to avoid dead wait
> >> here until timeout ?
> >
> >Can you give me more suggestion? We have discussed it with our team, It
> >seems the short query wait is necessary.
> >
> At least, you can use schdule_timeout() instead of udelay() ?
In fact, the waiting time normally is less than 10-50us, but the minimum time interval for schdule_timeout() is 1 jiffies.
So maybe schdule_timeout() is not very necessary?
Thanks for your review.
Best Regards,
Yuan Yao
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