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mmc: core: Handle card shutdown from mmc_bus

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Considering shutdown of the card, the responsibility to initate this
sequence shall be driven from the mmc_bus.

This patch enables the mmc_bus to handle this sequence properly. A new
.shutdown callback is added in the mmc_driver struct which is used to
shutdown the blk device.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

Conflicts:
	drivers/mmc/core/bus.c
This commit is contained in:
Ulf Hansson 2013-06-10 17:03:40 +02:00 committed by lintao
parent 3eb611d9d7
commit a96f061107
1 changed files with 1 additions and 11 deletions
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12
drivers/mmc/core/bus.c
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@ -126,18 +126,8 @@ static void mmc_bus_shutdown(struct device *dev)
{
struct mmc_driver *drv = to_mmc_driver(dev->driver);
struct mmc_card *card = mmc_dev_to_card(dev);
struct mmc_host *host = card->host;
int ret;
if (dev->driver && drv->shutdown)
drv->shutdown(card);
if (host->bus_ops->shutdown) {
ret = host->bus_ops->shutdown(host);
if (ret)
pr_warn("%s: error %d during shutdown\n",
mmc_hostname(host), ret);
}
drv->shutdown(card);
}
#ifdef CONFIG_PM_SLEEP