From: Ulf Hansson <[email protected]> By adding an optional .shutdown callback to the bus_ops struct we provide the possibility to let each bus type handle it's shutdown requirements.
Signed-off-by: Ulf Hansson <[email protected]> --- drivers/mmc/core/bus.c | 9 +++++++++ drivers/mmc/core/core.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 219bf4b..4c0decf 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -126,8 +126,17 @@ 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; 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); + } } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index 79f37cf..5345d15 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -26,6 +26,7 @@ struct mmc_bus_ops { int (*power_save)(struct mmc_host *); int (*power_restore)(struct mmc_host *); int (*alive)(struct mmc_host *); + int (*shutdown)(struct mmc_host *); }; void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops); -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
