提交 9d149c27 编写于 作者: L Linus Torvalds

Merge master.kernel.org:/home/rmk/linux-2.6-mmc

......@@ -679,7 +679,15 @@ static void mmc_idle_cards(struct mmc_host *host)
}
/*
* Apply power to the MMC stack.
* Apply power to the MMC stack. This is a two-stage process.
* First, we enable power to the card without the clock running.
* We then wait a bit for the power to stabilise. Finally,
* enable the bus drivers and clock to the card.
*
* We must _NOT_ enable the clock prior to power stablising.
*
* If a host does all the power sequencing itself, ignore the
* initial MMC_POWER_UP stage.
*/
static void mmc_power_up(struct mmc_host *host)
{
......
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