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Commit 5fb6bf51 authored by Wolfram Sang's avatar Wolfram Sang Committed by Ulf Hansson
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mmc: renesas_sdhi: improve TAP selection if all TAPs are good



When tuning HS400, if all TAPS are good, we can utilize the SMPCMP
register to select the optimal TAP. For that, we populate a second
bitmap with SMPCMP results and query it in case the regular bitmap is
full (= all good).

Signed-off-by: default avatarMasaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>
Signed-off-by: default avatarTakeshi Saito <takeshi.saito.xv@renesas.com>
Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20200408094638.10375-4-wsa+renesas@sang-engineering.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent ec4fc1ac
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