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mmc: core: Add cache control for eMMC4.5 device

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This patch adds cache feature of eMMC4.5 Spec.
If device supports cache capability, host can utilize some specific
operations.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Seungwon Jeon 2011-10-14 14:03:21 +09:00 • committed by Chris Ball
parent 71fe3eb0d0
commit 881d1c25f7
7 changed files with 104 additions and 6 deletions
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2
include/linux/mmc/core.h
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@ -177,6 +177,8 @@ extern void mmc_release_host(struct mmc_host *host);
extern void mmc_do_release_host(struct mmc_host *host);
extern int mmc_try_claim_host(struct mmc_host *host);
extern int mmc_flush_cache(struct mmc_card *);
/**
* mmc_claim_host - exclusively claim a host
* @host: mmc host to claim