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[4.4.y-cip,06/31] mmc: core: Add helper to see if a host can be retuned

Message ID 1574170570-15179-7-git-send-email-biju.das@bp.renesas.com (mailing list archive)
State Accepted
Delegated to: Pavel Machek
Headers show
Series Add RZ/G1C SD/eMMC support | expand

Commit Message

Biju Das Nov. 19, 2019, 1:35 p.m. UTC
From: Simon Horman <horms+renesas@verge.net.au>

commit c820af5f18ec248b3cb61a9a9ce47ef0f2e9ec63 upstream.

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>
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
 include/linux/mmc/host.h | 5 +++++
 1 file changed, 5 insertions(+)
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diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 8673ffe..1c483d9 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -515,4 +515,9 @@  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;
 #endif /* LINUX_MMC_HOST_H */