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mmc: Explain why we make adjacent mmc_bus_{put,get} calls during rescan.

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Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Chris Ball 2011-01-04 12:20:22 -05:00
parent 807e8e4067
commit c584179828
1 changed files with 4 additions and 2 deletions
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6
drivers/mmc/core/core.c
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@ -1531,9 +1531,11 @@ void mmc_rescan(struct work_struct *work)
&& mmc_card_is_removable(host)) && mmc_card_is_removable(host))
host->bus_ops->detect(host); host->bus_ops->detect(host);
/*
* Let mmc_bus_put() free the bus/bus_ops if we've found that
* the card is no longer present.
*/
mmc_bus_put(host); mmc_bus_put(host);
mmc_bus_get(host); mmc_bus_get(host);
/* if there still is a card present, stop here */ /* if there still is a card present, stop here */