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mmc: core: Add helper to see if a host can be retuned

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This is in preparation for restoring saved tuning parameters
when resuming the TMIO driver.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Simon Horman 2016-11-03 15:15:59 +01:00 committed by Ulf Hansson
parent 0963dd56b1
commit c820af5f18
1 changed files with 5 additions and 0 deletions
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5
include/linux/mmc/host.h
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@ -546,6 +546,11 @@ static inline void mmc_retune_recheck(struct mmc_host *host)
host->retune_now = 1;
}
static inline bool mmc_can_retune(struct mmc_host *host)
{
return host->can_retune == 1;
}
void mmc_retune_pause(struct mmc_host *host);
void mmc_retune_unpause(struct mmc_host *host);