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

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>

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index beed712..2a5fe75 100644 (file)
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -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;