On Mon, 2017-02-13 at 11:18 +0200, Jarkko Nikula wrote:
> This reverts commit 63d0f0a6952a1a02bc4f116b7da7c7887e46efa3.
>
> It caused a regression on platforms where I2C controller is synthesized
> with dynamic TAR update disabled. Detection code is testing is bit
> DW_IC_CON_10BITADDR_MASTER in register DW_IC_CON read-only but fails to
> restore original value in case bit is read-write.
>
> Instead of fixing this we revert the commit since it was preparation for
> the commit 0317e6c0f1dc ("i2c: designware: do not disable adapter after
> transfer") which was also reverted.
>
> Reported-by: Shah Nehal-Bakulchandra <Nehal-bakulchandra.Shah@xxxxxxx>
> Reported-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
> Cc: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.9+
> Fixes: 63d0f0a6952a ("i2c: designware: detect when dynamic tar update is possible")
> Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>
Acked-By: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
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