>>>>> "Max" == Max Filippov <jcmvbkbc@xxxxxxxxx> writes: > According to CY7C67300 specification HPI read and write cycle duration > Tcyc must be at least 6T long, where T is 1/48MHz, which is 125ns. > Without this delay fast host processor cannot write to chip registers. > Add proper ndelay to hpi_{read,write}_reg. It would be good to add a sensible named define (with the above description) as a comment and use that instead of the magic 125 constant in the code. With that fixed: Acked-by: Peter Korsgaard <peter@xxxxxxxxxxxxx> -- Bye, Peter Korsgaard -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html