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mmc: core: add helper to see if a host is doing a retune

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Add a helper to allow host drivers checking if a retune is in progress.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-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:
Niklas Söderlund 2018-08-30 01:32:05 +02:00 • committed by Ulf Hansson
parent db4cea918e
commit cbf6d82cad
1 changed files with 5 additions and 0 deletions
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5
include/linux/mmc/host.h
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@ -569,6 +569,11 @@ static inline bool mmc_can_retune(struct mmc_host *host)
return host->can_retune == 1;
}
static inline bool mmc_doing_retune(struct mmc_host *host)
{
return host->doing_retune == 1;
}
static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data)
{
return data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE;