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mmc: core: Invent MMC_CAP2_FULL_PWR_CYCLE

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MMC_CAP2_FULL_PWR_CYCLE shall be set by host drivers which are able to
do a complete power cycle of the card. In the eMMC case that includes
both vcc and vccq.

This CAP is providing the protocol layer with important information,
needed to take optimized decisions during card initialization and in
the suspend/resume sequence.

MMC_CAP2_POWEROFF_NOTIFY is replaced by MMC_CAP2_FULL_PWR_CYCLE, since
it makes sense to use a wider scope for it.

Signed-off-by: Ulf Hansson <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
This commit is contained in:
Ulf Hansson 2013-06-10 17:03:46 +02:00 • committed by Chris Ball
commit 53275c2136
2 changed files with 2 additions and 2 deletions
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2
drivers/mmc/core/mmc.c
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@ -1484,7 +1484,7 @@ static int _mmc_suspend(struct mmc_host *host, bool is_suspend)
goto out;
if (mmc_can_poweroff_notify(host->card) &&
((host->caps2 & MMC_CAP2_POWEROFF_NOTIFY) || !is_suspend))
((host->caps2 & MMC_CAP2_FULL_PWR_CYCLE) || !is_suspend))
err = mmc_poweroff_notify(host->card, notify_type);
else if (mmc_can_sleep(host->card))
err = mmc_sleep(host);