[U-Boot] HS200 for SDHCI is broken

Masahiro Yamada yamada.masahiro at socionext.com
Tue Jun 12 05:26:30 UTC 2018


Hi Siva, Michal.


I noticed drivers/mmc/sdhci-cadence.c
not working for my boards.


git-bisect points the following commit:



commit 434f9d454eb1a17bb7f5cdb21167ccbe7e41da39
Author: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
Date:   Tue May 29 20:03:10 2018 +0530

    mmc: sdhci: Update sdhci_send_command() to handle HS200

    This patch updates sdhci_send_command() to handle MMC
    HS200 tuning command.

    Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
    Signed-off-by: Michal Simek <michal.simek at xilinx.com>





By reverting it, I can get the MMC on my boards working again.

Any idea to fix it?



-- 
Best Regards
Masahiro Yamada


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