mmc: sdhci: add get_cd() implementation

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1. mmc_rescan will call get_cd to know whether the card is present
before mmc_rescan_try_freq to avoid useless trials during
card removal or start host is called when card is not present.

2. get_cd needs to be checked to resolve slow card removal issue.

Signed-off-by: Kevin Liu <kliu5@marvell.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

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Kevin Liu 2013-02-28 17:35:53 +08:00 • committed by Chris Ball

parent 1450734ec6

commit 94144a465d

1 changed files with 32 additions and 0 deletions

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drivers/mmc/host/sdhci.c

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