[PATCH v8 1/6] mmc: core: Add helper to see if a host can be retuned

[Simon Horman <horms+renesas@xxxxxxxxxxxx>]

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

Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
---
v6
* New patch
---
 include/linux/mmc/host.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 0b2439441cc8..28e2f53c7c4d 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -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);
 
-- 
2.7.0.rc3.207.g0ac5344