Hi Paul,
Quoting Paul Burton (2015-04-24 06:17:27)
> +void jz4740_clock_set_wait_mode(enum jz4740_wait_mode mode)
> +{
> + uint32_t lcr = readl(cgu->base + CGU_REG_LCR);
> +
> + switch (mode) {
> + case JZ4740_WAIT_MODE_IDLE:
> + lcr &= ~LCR_SLEEP;
> + break;
> +
> + case JZ4740_WAIT_MODE_SLEEP:
> + lcr |= LCR_SLEEP;
> + break;
> + }
> +
> + writel(lcr, cgu->base + CGU_REG_LCR);
> +}
What do these modes do? How are they used?
Do you think the above function is a good candidate for .prepare and
.unprepare callback?
Regards,
Mike
